Recuperative generation-absorption system and recuperative second-type absorption heat pump

Abstract

A recuperative generation-absorption system is formed by generator, the first absorber, the second absorber, the first solution heat exchanger, the second solution heat exchanger, the steam bleeding chamber, the solution pump and the second solution pump or added the third solution pump too. In the system, the first solution pump connects generator, the first solution heat exchanger, the first absorber, the steam bleeding chamber in turn. After that, the second solution pump connects the second solution heat exchanger, the second absorber, the first absorber, the first solution heat exchanger and generator one by one. Then the tandem cycle is formed. The independent cycle can be formed as follows. The first solution pump connects generator, the first solution heat exchanger, the first absorber and the second solution pump connects the steam bleeding chamber, the second solution heat exchanger and the second absorber in file.

1 . A recuperative generation-absorption system comprising a generator, a first absorber, a second absorber, a first solution heat exchanger, a second solution heat exchanger, a steam bleeding chamber, a first solution pump, a second solution pump or one more a third solution pump,
 wherein a concentrated solution pipe of the generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) and the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ), a concentrated solution pipe of the steam bleeding chamber ( 6 ) passes through the second solution pump ( 8 ) and the second solution heat exchanger ( 5 ) and then connects the second absorber ( 3 ), a dilute solution pipe of the second absorber ( 3 ) passes through the second solution heat exchanger ( 5 ), the third solution pump ( 9 ) if the system has the third solution pump ( 9 ) and then connects the first absorber ( 2 ), and a dilute solution pipe of the first absorber ( 2 ) passes through the first solution heat exchanger ( 4 ) and then connects generator ( 1 ),   wherein the generator ( 1 ) has a pipe of residual heat medium or a pipe of thermal driving medium and a channel of refrigerant vapor which separately connect external, the first absorber ( 2 ) has a pipe of heated medium and a channel of refrigerant vapor which separately connect external, the second absorber ( 3 ) has a channel of refrigerant vapor and a channel of heated medium which separately connect external, and the steam bleeding chamber ( 6 ) has a channel of refrigerant vapor which connects external,   wherein a dilute solution of generator ( 1 ) is heated by the residual heat medium or the thermal driving medium and releases refrigerant vapor at the same time, a concentrated solution of the generator ( 1 ) flows through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the first absorber ( 2 ) in which it absorbs heat and a part of it is vaporized and then enters the steam bleeding chamber ( 6 ) which releases refrigerant vapor, the concentrated solution pipe of the steam bleeding chamber ( 6 ) flows through the second solution pump ( 8 ), the second solution heat exchanger ( 5 ) and then enters the second absorber ( 3 ) in which it absorbs the refrigerant vapor coming from outside the system and releases heat to the heated medium at the same time, the dilute solution of the second absorber ( 3 ) flows through the second solution heat exchanger ( 5 ), the third solution pump ( 9 ) if the system has it and then enters the first absorber ( 2 ) in which it absorbs the refrigerant vapor coming from outside the system and heats up the solution which flows through the first absorber ( 2 ) and meets the heat demand of heated medium, the dilute solution of the first absorber ( 2 ) flows through the first solution heat exchanger ( 4 ) and then flows back to generator ( 1 ) in which it releases refrigerant vapor, thereby obtaining the recuperative generation-absorption system of solution tandem cycle,   wherein when the first absorber ( 2 ) hasn't the pipe of heated medium connected external, the heat which is released by absorbing the refrigerant vapor in the first absorber ( 2 ) is used to heat the solution which flows through the first absorber ( 2 ).   
     
     
         2 . A recuperative generation-absorption system comprising a generator, a first absorber, a second absorber, a first solution heat exchanger, a second solution heat exchanger, a steam bleeding chamber, a first solution pump, and a second solution pump,
 wherein a concentrated solution pipe of the generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ), a dilute solution pipe of the first absorber ( 2 ) passes through the first solution heat exchanger ( 4 ) and then connects generator ( 1 ), a dilute solution pipe of the second absorber ( 3 ) passes through the second solution heat exchanger ( 5 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ), a concentrated solution pipe of the steam bleeding chamber ( 6 ) passes through the second solution pump ( 8 ), the second solution heat exchanger ( 5 ) and then connects the second absorber ( 3 ),   wherein the generator ( 1 ) has a pipe of residual heat medium or a pipe of thermal driving medium and a channel of refrigerant vapor which separately connect external, the first absorber ( 2 ) has a pipe of heated medium and a channel of refrigerant vapor which separately connect external, the second absorber ( 3 ) has a channel of refrigerant vapor and a channel of heated medium which separately connect external, and the steam bleeding chamber ( 6 ) has a channel of refrigerant vapor which connects external,   wherein a dilute solution of the generator ( 1 ) is heated by the residual heat medium or the thermal driving medium and releases refrigerant vapor at the same time, a concentrated solution of the generator ( 1 ) flows through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) and then enters the first absorber ( 2 ) in which it absorbs the refrigerant vapor coming from outside the system and heats up the solution which flows through the first absorber ( 2 ) and meets the heat demand of heated medium, a dilute solution of the first absorber ( 2 ) flows through the first solution heat exchanger ( 4 ) and then flows back to generator ( 1 ), the solution which flows through the first absorber ( 2 ) absorbs heat and a part of it is vaporization and then enters the steam bleeding chamber ( 6 ) which releases refrigerant vapor, the concentrated solution pipe of the steam bleeding chamber ( 6 ) flows through the second solution pump ( 8 ), the second solution heat exchanger ( 5 ) and then enters the second absorber ( 3 ) in which it absorbs the refrigerant vapor coming from outside the system and releases heat to the heated medium at the same time, the dilute solution of the second absorber ( 3 ) flows through the second solution heat exchanger ( 5 ), the first absorber ( 2 ) and then enters the steam bleeding chamber ( 6 ), thereby obtaining the recuperative generation-absorption system with solution independent loop,   wherein when the first absorber ( 2 ) hasn't the pipe of heated medium connected external, the heat which is released by absorbing the refrigerant vapor in the first absorber ( 2 ) is used to heat the solution which flows through the first absorber ( 2 ).   
     
     
         3 . The recuperative generation-absorption system, as recited in  claim 1  or  2 , wherein a recuperative single-stage single-effect second-type absorption heat pump is formed by adding a condenser (A 1 ), a first evaporator (B 1 ), a liquid refrigerant pump (C 1 ), a second evaporator (D 1 ), and a throttle (E 1 ) and taking residual heat medium as thermal driving medium,
 wherein that the refrigerant vapor channel of the generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the generator ( 1 ) connects the condenser (A 1 ), that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects condenser (A 1 ), that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (D 1 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (B 1 ) connects the second absorber ( 3 ), the liquid refrigerant channel of condenser (A 1 ) passes through liquid refrigerant pump (C 1 ) and then connects the first evaporator (B 1 ), the liquid refrigerant channel of the first evaporator (B 1 ) passes through the throttle (E 1 ) and then connects the second evaporator (D 1 ), the condenser (A 1 ) has the pipe of cooling medium which connects external, the first evaporator (B 1 ) and the second evaporator (D 1 ) also have the pipe of residual heat medium which separately connects external, 
 wherein when the system hasn't the second evaporator (D 1 ) and the throttle (E 1 ), the channel of refrigerant vapor in the first evaporator (B 1 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ). 
 
     
     
         4 . The recuperative generation-absorption system, as recited in  claim 1  or  2 , wherein a recuperative single generator two-stage second-type absorption heat pump in which the absorption-evaporator (C 2 ) separately provides refrigerant vapor to the first absorber ( 2 ) and the second absorber ( 3 ) is formed by adding a condenser (A 2 ), an evaporator (B 2 ), an absorption-evaporator (C 2 ), a liquid refrigerant pump (D 2 ), a throttle (E 2 ), and a third solution heat exchanger (F 2 ) and taking residual heat medium as thermal driving medium, that the dilute solution pipe of the first absorber ( 2 ) passes through the first solution heat exchanger ( 4 ) and then connects generator ( 1 ) is changed to that the dilute solution pipe passes through the first solution heat exchanger ( 4 ) and then connects generator ( 1 ) after that the dilute solution pipe of the first absorber ( 2 ) passes through the third solution heat exchanger (F 2 ) and then connects absorption-evaporator (C 2 ), that the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ) or the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ) is adjusted to that the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the third solution heat exchanger (F 2 ) and then connects the first absorber ( 2 ) or the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the third solution heat exchanger (F 2 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ), that the refrigerant vapor channel of generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of generator ( 1 ) connects condenser (A 2 ), that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects condenser (A 2 ), that the refrigerant vapor channel of the first absorber ( 2 ) and the second absorber ( 3 ) separately connects external can be considered as that the refrigerant vapor channel of absorption-evaporator (C 2 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ) after that the liquid refrigerant channel of condenser (A 2 ) passes through liquid refrigerant pump (D 2 ) and then connects absorption-evaporator (C 2 ), the liquid refrigerant pipe of liquid refrigerant pump (D 2 ) passes through the throttle (E 2 ) and then connects evaporator (B 2 ), the refrigerant vapor channel of evaporator (B 2 ) connects absorption-evaporator (C 2 ), the condenser (A 2 ) has the pipe of cooling medium (A 2 ) connects external, and the evaporator (B 2 ) has the pipe of residual heat medium which connects external. 
     
     
         5 . The recuperative generation-absorption system, as recited in  claim 1  or  2 , wherein a recuperative single generator two-stage second-type absorption heat pump in which absorption-evaporator (C 2 ) separately provides refrigerant vapor to the first absorber ( 2 ) and the second absorber ( 3 ) is formed by adding a condenser (A 2 ), an evaporator (B 2 ), an absorption-evaporator (C 2 ), a first liquid refrigerant pump (D 2 ), a second liquid refrigerant pump (G 2 ), and a third solution heat exchanger (F 2 ) and taking residual heat medium as thermal driving medium, that the dilute solution pipe of the first absorber ( 2 ) passes through the first solution heat exchanger ( 4 ) and then connects generator ( 1 ) is adjusted to that the dilute solution pipe of absorption-evaporator (C 2 ) passes through the first solution heat exchanger ( 4 ) and then connects generator ( 1 ) after that the dilute solution pipe of the first absorber ( 2 ) passes through the third solution heat exchanger (F 2 ) and then connects absorption-evaporator (C 2 ),
 wherein that the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ) or the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ) is adjusted to that the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the third solution heat exchanger (F 2 ) and then connects the first absorber ( 2 ) or the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the third solution heat exchanger (F 2 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ), 
 wherein that the refrigerant vapor channel of generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of generator ( 1 ) connects condenser (A 2 ), that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects condenser (A 2 ), that the refrigerant vapor channel of the first absorber ( 2 ) and the second absorber ( 3 ) separately connects external can be considered as that the refrigerant vapor channel of absorption-evaporator (C 2 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ) after that the liquid refrigerant channel of evaporator (B 2 ) passes through the second liquid refrigerant pump (G 2 ) and then connects absorption-evaporator (C 2 ), the condenser (A 2 ) has the pipe of liquid refrigerant which passes through the first liquid refrigerant pump (D 2 ) and then connects evaporator (B 2 ), the evaporator (B 2 ) has the refrigerant vapor channel which connects absorption-evaporator (C 2 ), the condenser (A 2 ) has the pipe of cooling medium (A 2 ) which connects external, and the evaporator (B 2 ) has the pipe of residual heat medium which connects external. 
 
     
     
         6 . The recuperative generation-absorption system, as recited in  claim 1  or  2 , wherein a recuperative single generator three-stage second-type absorption heat pump in which two-stage absorption-evaporator (D 3 ) separately provides refrigerant vapor to the first absorber ( 2 ) and the second absorber ( 3 ) is formed by adding a condenser (A 3 ), an evaporator (B 3 ), a one-level absorption-evaporator (C 3 ), a two-stage absorption-evaporator (D 3 ), a liquid refrigerant pump (E 3 ), a first throttle (F 3 ), a second throttle (G 3 ), a third solution heat exchanger (H 3 ), and a fourth solution heat exchanger (I 3 ) and taking residual heat medium as thermal driving medium,
 wherein that the dilute solution pipe of the first absorber ( 2 ) passes through the first solution heat exchanger ( 4 ) and then connects generator ( 1 ) is adjusted to that the dilute solution pipe of the first absorber ( 2 ) passes through the third solution heat exchanger (H 3 ) and then connects two-stage absorption-evaporator (D 3 ), the dilute solution pipe of two-stage absorption-evaporator (D 3 ) passes through the fourth solution heat exchanger (I 3 ) and then connects one-level absorption-evaporator (C 3 ), the dilute solution pipe of one-level absorption-evaporator (C 3 ) passes through the first solution heat exchanger ( 4 ) and then connects generator ( 1 ), 
 wherein that the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ) or the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ) is adjusted to that the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the fourth solution heat exchanger (I 3 ), the third solution heat exchanger (H 3 ) and then connects the first absorber ( 2 ) or the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the fourth solution heat exchanger (I 3 ), the third solution heat exchanger (H 3 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ), 
 wherein that the refrigerant vapor channel of generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of generator ( 1 ) connects condenser (A 3 ), that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects condenser (A 3 ), that the refrigerant vapor channel of the first absorber ( 2 ) and the second absorber ( 3 ) separately connects external can be considered as that the channel of refrigerant vapor separately connects the first absorber ( 2 ) and the second absorber ( 3 ) after that the liquid refrigerant channel of condenser (A 3 ) passes through the liquid refrigerant pump (E 3 ) and then connects two-stage absorption-evaporator (D 3 ), the liquid refrigerant pipe of the liquid refrigerant pump (E 3 ) passes through the first throttle (F 3 ) and then connects evaporator (B 3 ), the refrigerant vapor channel of evaporator (B 3 ) and then connects one-level absorption-evaporator (C 3 ), the refrigerant vapor pipe of the one-level absorption-evaporator (C 3 ) connects two-stage absorption-evaporator (D 3 ) after that the liquid refrigerant pipe of the liquid refrigerant pump (E 3 ) passes through the second throttle (G 3 ) and then connects one-level absorption-evaporator (C 3 ). 
 
     
     
         7 . The recuperative generation-absorption system, as recited in  claim 1  or  2 , wherein a recuperative single generator three-stage second-type absorption heat pump in which two-stage absorption-evaporator (D 3 ) separately provides refrigerant vapor to the first absorber ( 2 ) and the second absorber ( 3 ) is formed by adding a condenser (A 3 ), an evaporator (B 3 ), a one-level absorption-evaporator (C 3 ), a two-stage absorption-evaporator (D 3 ), a first liquid refrigerant pump (E 3 ), a third solution heat exchanger (H 3 ), a fourth solution heat exchanger (I 3 ), a second liquid refrigerant pump (J 3 ), and a third liquid refrigerant pump (K 3 ) and taking residual heat medium as thermal driving medium,
 wherein that the dilute solution pipe of the first absorber ( 2 ) passes through the first solution heat exchanger ( 4 ) and then connects generator ( 1 ) is adjusted to that the dilute solution pipe of the first absorber ( 2 ) passes through the third solution heat exchanger (H 3 ) and then connects two-stage absorption-evaporator (D 3 ), the dilute solution pipe of two-stage absorption-evaporator (D 3 ) passes through the fourth solution heat exchanger (I 3 ) and then connects one-level absorption-evaporator (C 3 ), the dilute solution pipe of one-level absorption-evaporator (C 3 ) passes through the first solution heat exchanger ( 4 ) and then connects generator ( 1 ), 
 wherein that the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ) or the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ) is adjusted to that the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the fourth solution heat exchanger (I 3 ), the third solution heat exchanger (H 3 ) and then connects the first absorber ( 2 ) or the concentrated solution pipe of generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the fourth solution heat exchanger (I 3 ), the third solution heat exchanger (H 3 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ), 
 wherein that the refrigerant vapor channel of generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of generator ( 1 ) connects condenser (A 3 ), that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects condenser (A 3 ), that the refrigerant vapor channel of the first absorber ( 2 ) and the second absorber ( 3 ) separately connects external can be considered as that the refrigerant vapor channel of two-stage absorption-evaporator (D 3 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ) after that evaporator (B 3 ) passes through the second liquid refrigerant pump (J 3 ), the third liquid refrigerant pump (K 3 ) and then connects two-stage absorption-evaporator (D 3 ), the refrigerant vapor channel of the one-level absorption-evaporator (C 3 ) connects two-stage absorption-evaporator (D 3 ) after that the liquid refrigerant pipe of the second liquid refrigerant pump (J 3 ) connects one-level absorption-evaporator (C 3 ), 
 wherein the liquid refrigerant pipe of condenser (A 3 ) passes through the first liquid refrigerant pump (E 3 ) and then connects evaporator (B 3 ), the evaporator (B 3 ) has the channel of refrigerant vapor which connects one-level absorption-evaporator (C 3 ), the condenser (A 3 ) has the pipe of cooling medium which connects external, and the evaporator (B 3 ) has the pipe of residual heat medium which connects external. 
 
     
     
         8 . The recuperative generation-absorption system, as recited in  claim 1  or  2 , wherein a recuperative two-generator two-stage second-type absorption heat pump in which the absorption-evaporator (C 4 ) separately provides refrigerant vapor to the first absorber ( 2 ), the second absorber ( 3 ) and the generator ( 1 ) can be formed by adding a condenser (A 4 ), an evaporator (B 4 ), an absorption-evaporator (C 4 ), a first liquid refrigerant pump (D 4 ), a first throttle (E 4 ), a low-temperature generator (F 4 ), a fourth liquid refrigerant pump (G 4 ), a second throttle (H 4 ) and a third solution heat exchanger (I 4 ),
 wherein that the dilute solution pipe of the first absorber ( 2 ) passes through the first solution heat exchanger ( 4 ) and then connects the generator ( 1 ) is adjusted to that the dilute solution pipe of the first absorber ( 2 ) passes through the first solution heat exchanger ( 4 ) and then connects the absorption-evaporator (C 4 ), the dilute solution pipe of the absorption-evaporator (C 4 ) passes through the third solution heat exchanger (I 4 ) and then connects the low-temperature generator (F 4 ), the concentrated solution pipe of the low-temperature generator (F 4 ) passes through the fourth liquid refrigerant pump (G 4 ), the third solution heat exchanger (I 4 ) and then connects the generator ( 1 ), 
 wherein that the refrigerant vapor channel of the first absorber ( 2 ), the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the absorption-evaporator (C 4 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ) after that the liquid refrigerant pipe of the condenser (A 4 ) passes through the liquid refrigerant pump (D 4 ) and then connects the absorption-evaporator (C 4 ), that the thermal driving medium pipe of the generator ( 1 ) connects external can be considered as that the liquid refrigerant pipe of the liquid refrigerant pump (D 4 ) connects the absorption-evaporator (C 4 ), the refrigerant vapor pipe of the absorption-evaporator (C 4 ) connects the generator ( 1 ) and the liquid refrigerant pipe of the generator ( 1 ) passes through the first throttle (E 4 ) and then connects the condenser (A 4 ), a part of the refrigerant vapor produced by the absorption-evaporator (C 4 ) can be used as thermal driving medium, that the refrigerant vapor channel of the generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the generator ( 1 ) connects the condenser (A 4 ), that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects the condenser (A 4 ), the liquid refrigerant pipe of the liquid refrigerant pump (D 4 ) passes through the second throttle (H 4 ) and then connects the evaporator (B 4 ), the evaporator (B 4 ) has the pipe of residual heat medium which connects external and the channel of refrigerant vapor which connects the absorption-evaporator (C 4 ), the low-temperature generator (F 4 ) has the pipe of residual heat medium which connects external and the channel of refrigerant vapor which connects the condenser (A 4 ). 
 
     
     
         9 . The recuperative generation-absorption system, as recited in  claim 1  or  2 , wherein a recuperative two-generator two-stage second-type absorption heat pump in which the absorption-evaporator (C 4 ) separately provides refrigerant vapor to the first absorber ( 2 ), the second absorber ( 3 ) and the generator ( 1 ) can be formed by adding a condenser (A 4 ), an evaporator (B 4 ), an absorption-evaporator (C 4 ), a first liquid refrigerant pump (D 4 ), a throttle (E 4 ), a low-temperature generator (F 4 ), a fourth liquid refrigerant pump (G 4 ), a second liquid refrigerant pump (J 4 ) and a third solution heat exchanger (I 4 ),
 wherein that the dilute solution pipe of the first absorber ( 2 ) passes through the first solution heat exchanger ( 4 ) and then connects the generator ( 1 ) is adjusted to that the dilute solution pipe of the first absorber ( 2 ) passes through the first solution heat exchanger ( 4 ) and then connects the absorption-evaporator (C 4 ), the dilute solution pipe of the absorption-evaporator (C 4 ) passes through the third solution heat exchanger (I 4 ) and then connects the low-temperature generator (F 4 ), the concentrated solution pipe of the low-temperature generator (F 4 ) passes through the fourth liquid refrigerant pump (G 4 ), the third solution heat exchanger (I 4 ) and then connects the generator ( 1 ), 
 wherein that the refrigerant vapor channel of the first absorber ( 2 ), the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the absorption-evaporator (C 4 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ) after that the liquid refrigerant pipe of evaporator (B 4 ) passes through the second liquid refrigerant pump (J 4 ) and then connects the absorption-evaporator (C 4 ), that the thermal driving medium pipe of the generator ( 1 ) connects external can be considered as that the liquid refrigerant pipe of the second liquid refrigerant pump (J 4 ) connects the absorption-evaporator (C 4 ), the refrigerant vapor pipe of the absorption-evaporator (C 4 ) connects the generator ( 1 ) and the liquid refrigerant pipe of the generator ( 1 ) passes through the first throttle (E 4 ) and then connects the condenser (A 4 ), a part of the refrigerant vapor produced by the absorption-evaporator (C 4 ) can be used as thermal driving medium, that the refrigerant vapor channel of the generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the generator ( 1 ) connects the condenser (A 4 ), that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects the condenser (A 4 ), the liquid refrigerant pipe of the condenser (A 4 ) passes through the first liquid refrigerant pump (D 4 ) and then connects the evaporator (B 4 ), the evaporator (B 4 ) has the pipe of residual heat medium which connects external and the channel of refrigerant vapor which connects the absorption-evaporator (C 4 ), the low-temperature generator (F 4 ) has the pipe of residual heat medium which connects external and the channel of refrigerant vapor which connects the condenser (A 4 ). 
 
     
     
         10 . The recuperative generation-absorption system, as recited in  claim 1 , wherein a recuperative single stage tandem double-effect second-type absorption heat pump can be formed by adding a second generator (A 5 ), a condenser (B 5 ), a first evaporator (C 5 ), a first throttle (D 5 ), a liquid refrigerant pump (E 5 ), a second evaporator (F 5 ), and a second throttle (G 5 ), and taking the second generator (A 5 ) as the high-pressure generator, that the concentrated solution pipe of the first generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ) is adjusted to that the concentrated solution pipe of the first generator ( 1 ) passes through the first solution pump ( 7 ) and then connects the second generator (A 5 ), the concentrated solution pipe of the second generator (A 5 ) passes through the first solution heat exchanger ( 4 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ),
 wherein after that the thermal driving medium pipe of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the second generator (A 5 ) connects the first generator ( 1 ), the liquid refrigerant pipe of the first generator ( 1 ) passes through the first throttle (D 5 ) and then connects the condenser (B 5 ), using the refrigerant vapor produced by the second generator (A 5 ) as the thermal driving medium of the first generator ( 1 ), that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the first generator ( 1 ) connects condenser (B 5 ),   wherein that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects the condenser (B 5 ), that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (F 5 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (C 5 ) connects the second absorber ( 3 ), the liquid refrigerant pipe of the condenser (B 5 ) passes through the liquid refrigerant pump (E 5 ) and then connects the first evaporator (C 5 ), the liquid refrigerant pipe of the first evaporator (C 5 ) passes through the second throttle (G 5 ) and then connects the second evaporator (F 5 ), the condenser (B 5 ) has the pipe of cooling medium which connects external, the second generator (A 5 ), the first evaporator (C 5 ) and the second evaporator (F 5 ) have the pipe of residual heat medium which separately connects external, when the system hasn't the second evaporator (F 5 ) and the second throttle (G 5 ), the refrigerant vapor channel of the first evaporator (C 5 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ).   
     
     
         11 . The recuperative generation-absorption system, as recited in  claim 2 , wherein a recuperative single stage tandem double-effect second-type absorption heat pump can be formed by adding a third solution pump ( 9 ), a second generator (A 5 ), a condenser (B 5 ), a first evaporator (C 5 ), a first throttle (D 5 ), a liquid refrigerant pump (E 5 ), a second evaporator (F 5 ) and a second throttle (G 5 ),
 wherein taking the second generator (A 5 ) as a high-pressure generator, that the concentrated solution pipe of the first generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ) is adjusted to that the concentrated solution pipe of the first generator ( 1 ) passes through the first solution pump ( 7 ) and then connects the second generator (A 5 ), the concentrated solution pipe of the second generator (A 5 ) passes through the third solution pump ( 9 ), the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ),   wherein after that the thermal driving medium pipe of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the second generator (A 5 ) connects the first generator ( 1 ), the liquid refrigerant pipe of the first generator ( 1 ) passes through the first throttle (D 5 ) and then connects the condenser (B 5 ), using the refrigerant vapor produced by the second generator (A 5 ) as the thermal driving medium of the first generator ( 1 ), that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the first generator ( 1 ) connects the condenser (B 5 ),   wherein that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects the condenser ( 5 ), that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (F 5 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (C 5 ) connects the second absorber ( 3 ), the liquid refrigerant pipe of the condenser (B 5 ) passes through the liquid refrigerant pump (E 5 ) and then connects the first evaporator (C 5 ), the liquid refrigerant pipe of the first evaporator (C 5 ) passes through the second throttle (G 5 ) and then connects the second evaporator (F 5 ), the condenser (B 5 ) has the pipe of cooling medium which connects external, the second generator (A 5 ), the first evaporator (C 5 ) and the second evaporator (F 5 ) have the pipe of residual heat medium which separately connects external, when the system hasn't the second evaporator (F 5 ) and the second throttle (G 5 ), the refrigerant vapor channel of the first evaporator (C 5 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ).   
     
     
         12 . The recuperative generation-absorption system, as recited in  claim 1  or  2 , wherein a recuperative single stage tandem double-effect second-type absorption heat pump can be formed by adding a second generator (A 5 ), a condenser (B 5 ), a first evaporator (C 5 ), a first throttle (D 5 ), a liquid refrigerant pump (E 5 ), a second evaporator (F 5 ), a second throttle (G 5 ) and a third solution heat exchanger (H 5 ),
 wherein taking the second generator (A 5 ) as a low-pressure generator, that the concentrated solution pipe of the first generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ) or the concentrated solution pipe of the first generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ) is adjusted to that the concentrated solution pipe of the first generator ( 1 ) passes through the third solution heat exchanger (H 5 ) and then connects the second generator (A 5 ), the concentrated solution pipe of the second generator (A 5 ) passes through the first solution pump ( 7 ), the third solution heat exchanger (H 5 ) and the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ), or the concentrated solution pipe of the second generator (A 5 ) passes through the first solution pump ( 7 ), the third solution heat exchanger (H 5 ), the first solution heat exchanger ( 4 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ), 
 wherein after that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the first generator ( 1 ) connects the second generator (A 5 ), the liquid refrigerant pipe of the second generator (A 5 ) passes through the first throttle (D 5 ) and then connects the condenser (B 5 ), using the refrigerant vapor produced by the first generator ( 1 ) as the thermal driving medium of the second generator (A 5 ), the refrigerant vapor channel of the second generator (A 5 ) connects the condenser (B 5 ), 
 wherein that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects the condenser (B 5 ), that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (F 5 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (C 5 ) connects the second absorber ( 3 ), the liquid refrigerant pipe of the condenser (B 5 ) passes through the liquid refrigerant pump (E 5 ) and then connects the first evaporator (C 5 ), the liquid refrigerant pipe of the first evaporator (C 5 ) passes through the second throttle (G 5 ) and then connects the second evaporator (F 5 ), the condenser (B 5 ) has the pipe of cooling medium which connects external, the first evaporator (C 5 ) and the second evaporator (F 5 ) have the pipe of residual heat medium which separately connects external, when the system hasn't the second evaporator (F 5 ) and the second throttle (G 5 ), the refrigerant vapor channel of the first evaporator (C 5 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ). 
 
     
     
         13 . The recuperative generation-absorption system, as recited in  claim 1 , wherein a recuperative single stage parallel double-effect second-type absorption heat pump can be formed by adding a second generator (A 5 ), a condenser (B 5 ), a first evaporator (C 5 ), a first throttle (D 5 ), a liquid refrigerant pump (E 5 ), a second evaporator (F 5 ), a second throttle (G 5 ) and a third solution heat exchanger (H 5 ),
 wherein taking the second generator (A 5 ) as a high-pressure generator, after that the concentrated solution pipe of the second generator (A 5 ) passes through the third solution heat exchanger (H 5 ), it joins with the solution pipe which passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) from the first generator ( 1 ), the dilute solution pipe of the first absorber ( 2 ) passes through the third solution heat exchanger (H 5 ) and then connects the second generator (A 5 ),   wherein after that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the second generator (A 5 ) connects the first generator ( 1 ), the liquid refrigerant pipe of the first generator ( 1 ) passes through the first throttle (D 5 ) and then connects the condenser (B 5 ), using the refrigerant vapor produced by the second generator (A 5 ) as the thermal driving medium of the first generator ( 1 ), that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the first generator ( 1 ) connects the condenser (B 5 ),   wherein that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects the condenser (B 5 ), that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (F 5 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (C 5 ) connects the second absorber ( 3 ), the liquid refrigerant pipe of the condenser (B 5 ) passes through the liquid refrigerant pump (E 5 ) and then connects the first evaporator (C 5 ), the liquid refrigerant pipe of the first evaporator (C 5 ) passes through the second throttle (G 5 ) and then connects the second evaporator (F 5 ), the condenser (B 5 ) has the pipe of cooling medium which connects external, the second generator (A 5 ), the first evaporator (C 5 ) and the second evaporator (F 5 ) have the pipe of residual heat medium which separately connects external, when the system hasn't the second evaporator (F 5 ) and the second throttle (G 5 ), the refrigerant vapor channel of the first evaporator (C 5 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ).   
     
     
         14 . The recuperative generation-absorption system, as recited in  claim 2 , wherein a recuperative single stage parallel double-effect second-type absorption heat pump can be formed by adding a third solution pump ( 9 ), a second generator (A 5 ), a condenser (B 5 ), a first evaporator (C 5 ), a first throttle (D 5 ), a liquid refrigerant pump (E 5 ), a second evaporator (F 5 ), a second throttle (G 5 ) and a third solution heat exchanger (H 5 ),
 wherein taking the second generator (A 5 ) as a low-pressure generator, the concentrated solution pipe of the second generator (A 5 ) passes through the third solution pump ( 9 ), the third solution heat exchanger (H 5 ) and then connects the first absorber ( 2 ), the dilute solution pipe of the first absorber ( 2 ) passes through the third solution heat exchanger (H 5 ) and then connects the second generator (A 5 ),   wherein after that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the first generator ( 1 ) connects the second generator (A 5 ), the liquid refrigerant pipe of the second generator (A 5 ) passes through the first throttle (D 5 ) and then connects the condenser (B 5 ), using the refrigerant vapor produced by the first generator ( 1 ) as the thermal driving medium of the second generator (A 5 ), the refrigerant vapor channel of the second generator (A 5 ) connects the condenser (B 5 ),   wherein that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects the condenser (B 5 ), that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (F 5 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (C 5 ) connects the second absorber ( 3 ), the liquid refrigerant pipe of the condenser (B 5 ) passes through the liquid refrigerant pump (E 5 ) and then connects the first evaporator (C 5 ), the liquid refrigerant pipe of the first evaporator (C 5 ) passes through the second throttle (G 5 ) and then connects the second evaporator (F 5 ), the condenser (B 5 ) has the pipe of cooling medium which connects external, the first evaporator (C 5 ) and the second evaporator (F 5 ) have the pipe of residual heat medium which separately connects external, when the system hasn't the second evaporator (F 5 ) and the second throttle (G 5 ), the refrigerant vapor channel of the first evaporator (C 5 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ).   
     
     
         15 . The recuperative generation-absorption system, as recited in  claim 1 , wherein a recuperative single stage parallel double-effect second-type absorption heat pump can be formed by adding a second generator (A 5 ), a condenser (B 5 ), a first evaporator (C 5 ), a first throttle (D 5 ), a liquid refrigerant pump (E 5 ), a second evaporator (F 5 ), a second throttle (G 5 ), a third solution heat exchanger (H 5 ) and a fourth solution pump (I 5 ),
 wherein taking the second generator (A 5 ) as a low-pressure generator, the concentrated solution pipe of the second generator (A 5 ) passes through the fourth solution pump (I 5 ), the third solution heat exchanger (H 5 ) and then connects the first absorber ( 2 ), The dilute solution pipe of the first absorber ( 2 ) passes through the third solution heat exchanger (H 5 ) and then connects the second generator (A 5 ),   wherein after that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the first generator ( 1 ) connects the second generator (A 5 ), the liquid refrigerant pipe of the second generator (A 5 ) passes through the first throttle (D 5 ) and then connects the condenser (B 5 ), using the refrigerant vapor produced by the first generator ( 1 ) as the thermal driving medium of the second generator (A 5 ), the refrigerant vapor channel of the second generator (A 5 ) connects the condenser (B 5 ),   wherein that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects the condenser (B 5 ), that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (F 5 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (C 5 ) connects the second absorber ( 3 ), the liquid refrigerant pipe of the condenser (B 5 ) passes through the liquid refrigerant pump (E 5 ) and then connects the first evaporator (C 5 ), the liquid refrigerant pipe of the first evaporator (C 5 ) passes through the second throttle (G 5 ) and then connects the second evaporator (F 5 ), the condenser (B 5 ) has the pipe of cooling medium which connects external, the first evaporator (C 5 ) and the second evaporator (F 5 ) have the pipe of residual heat medium which separately connects external, when the system hasn't the second evaporator (F 5 ) and the second throttle (G 5 ), the refrigerant vapor channel of the first evaporator (C 5 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ).   
     
     
         16 . The recuperative generation-absorption system, as recited in  claim 1 , wherein a recuperative single stage parallel double-effect second-type absorption heat pump can be formed by adding a second generator (A 5 ), a condenser (B 5 ), a first evaporator (C 5 ), a first throttle (D 5 ), a liquid refrigerant pump (E 5 ), a second evaporator (F 5 ), a second throttle (G 5 ), a third solution heat exchanger (H 5 ) and a fourth solution pump (I 5 ),
 where taking the second generator (A 5 ) as a high-pressure generator, the concentrated solution pipe of the second generator (A 5 ) passes through the fourth solution pump (I 5 ), the third solution heat exchanger (H 5 ) and then connects the first absorber ( 2 ), the dilute solution pipe of the first absorber ( 2 ) passes through the third solution heat exchanger (H 5 ) and then connects the second generator (A 5 ),   wherein after that the thermal driving medium channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the second generator (A 5 ) connects the first generator ( 1 ), the liquid refrigerant pipe of the first generator ( 1 ) passes through the first throttle (D 5 ) and then connects the condenser (B 5 ), using the refrigerant vapor produced by the second generator (A 5 ) as the thermal driving medium of the first generator ( 1 ), that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the first generator ( 1 ) connects the condenser (B 5 ),   wherein that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber connects the condenser (B 5 ), that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (F 5 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (C 5 ) connects the second absorber ( 3 ), the liquid refrigerant pipe of the condenser (B 5 ) passes through the liquid refrigerant pump (E 5 ) and then connects the first evaporator (C 5 ), the liquid refrigerant pipe of the first evaporator (C 5 ) passes through the second throttle (G 5 ) and then connects the second evaporator (F 5 ), the condenser (B 5 ) has the pipe of cooling medium which connects external, the second generator (A 5 ), the first evaporator (C 5 ) and the second evaporator (F 5 ) have the pipe of residual heat medium which separately connects external. When the system hasn't the second evaporator (F 5 ) and the second throttle (G 5 ), the refrigerant vapor channel of the first evaporator (C 5 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ).   
     
     
         17 . The recuperative generation-absorption system, as recited in  claim 1 , wherein a recuperative single stage tandem triple effect second-type absorption heat pump can be formed by adding a second generator (A 6 ), a third generator (B 6 ), a condenser (C 6 ), a first evaporator (D 6 ), a fourth solution pump (E 6 ), a first throttle (F 6 ), a second throttle (G 6 ), a liquid refrigerant pump (H 6 ), a second evaporator (I 6 ) and a third throttle (J 6 ),
 wherein that the concentrated solution pipe of the first generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ) is adjusted to that the concentrated solution pipe of the first generator ( 1 ) passes through the first solution pump ( 7 ) and then connects the third generator (B 6 ), the concentrated solution pipe of the third generator (B 6 ) passes through the fourth solution pump (E 6 ) and then connects the second generator (A 6 ), the concentrated solution pipe of the second generator (A 6 ) passes through the first solution heat exchanger ( 4 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ),   wherein after that the thermal driving medium channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the third generator (B 6 ) connects the first generator ( 1 ), the liquid refrigerant pipe of the first generator ( 1 ) passes through the second throttle (G 6 ) and then connects the condenser (C 6 ), using the refrigerant vapor produced by the third generator (B 6 ) as the thermal driving medium of the first generator ( 1 ), the liquid refrigerant pipe of the third generator (B 6 ) passes through the first throttle (F 6 ) and then connects the condenser (C 6 ) after that the refrigerant vapor channel of the second generator (A 6 ) connects the third generator (B 6 ),   wherein using the refrigerant vapor produced by the second generator (A 6 ) as the thermal driving medium of the third generator (B 6 ), that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the first generator ( 1 ) connects the condenser (C 6 ), that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (I 6 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (D 6 ) connects the second absorber ( 3 ),   wherein the liquid refrigerant pipe of the condenser (C 6 ) passes through the liquid refrigerant pump (H 6 ) and then connects the first evaporator (D 6 ), the liquid refrigerant pipe of the first evaporator (D 6 ) passes through the third throttle (J 6 ) and then connects the second evaporator (I 6 ), the condenser (C 6 ) has the pipe of cooling medium which connects external, the second generator (A 6 ), the first evaporator (D 6 ) and the second evaporator (I 6 ) has the pipe of residual heat medium which separately connects external, when the system hasn't the second evaporator (I 6 ) and the third throttle (J 6 ), the refrigerant vapor channel of the first evaporator (D 6 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ).   
     
     
         18 . The recuperative generation-absorption system, as recited in  claim 2 , wherein a recuperative single stage tandem triple effect second-type absorption heat pump can be formed by adding a third solution pump ( 9 ), a second generator (A 6 ), a third generator (B 6 ), a condenser (C 6 ), a first evaporator (D 6 ), a fourth solution pump (E 6 ), a first throttle (F 6 ), a second throttle (G 6 ), a liquid refrigerant pump (H 6 ), a second evaporator (I 6 ), and a third throttle (J 6 ),
 wherein that the concentrated solution pipe of the first generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ) is adjusted to that the concentrated solution pipe of the first generator ( 1 ) passes through the first solution pump ( 7 ) and then connects the third generator (B 6 ), the concentrated solution pipe of the third generator (B 6 ) passes through the fourth solution pump (E 6 ) and then connects the second generator (A 6 ), the concentrated solution pipe of the second generator (A 6 ) passes through the third solution pump ( 9 ), the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ),   wherein after that the thermal driving medium channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the third generator (B 6 ) connects the first generator ( 1 ), the liquid refrigerant pipe of the first generator ( 1 ) passes through the second throttle (G 6 ) and then connects the condenser (C 6 ), using the refrigerant vapor produced by the third generator (B 6 ) as the thermal driving medium of the first generator ( 1 ), the liquid refrigerant pipe of the third generator (B 6 ) passes through the first throttle (F 6 ) and then connects the condenser (C 6 ) after that the refrigerant vapor channel of the second generator (A 6 ) connects the third generator (B 6 ),   wherein using the refrigerant vapor produced by the second generator (A 6 ) as the thermal driving medium of the third generator (B 6 ), that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the first generator ( 1 ) connects the condenser (C 6 ), that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (I 6 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (D 6 ) connects the second absorber ( 3 ), that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects the condenser (C 6 ),   wherein the liquid refrigerant pipe of the condenser (C 6 ) passes through the liquid refrigerant pump (H 6 ) and then connects the first evaporator (D 6 ), the liquid refrigerant pipe of the first evaporator (D 6 ) passes through the third throttle (J 6 ) and then connects the second evaporator (I 6 ), the condenser (C 6 ) has the pipe of cooling medium which connects external, the second generator (A 6 ), the first evaporator (D 6 ) and the second evaporator (I 6 ) have the pipe of residual heat medium which separately connects external, when the system hasn't the second evaporator (I 6 ) and the third throttle (J 6 ), the refrigerant vapor channel of the first evaporator (D 6 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ).   
     
     
         19 . The recuperative generation-absorption system, as recited in  claim 1  or  2 , wherein a recuperative single stage tandem triple effect second-type absorption heat pump can be formed by adding a second generator (A 6 ), a third generator (B 6 ), a condenser (C 6 ), a first evaporator (D 6 ), a first throttle (F 6 ), a second throttle (G 6 ), a liquid refrigerant pump (H 6 ), a second evaporator (I 6 ), a third throttle (J 6 ), a third solution heat exchanger (K 6 ), and a fourth solution heat exchanger (L 6 ),
 wherein that the concentrated solution pipe of the first generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ) or the concentrated solution pipe of the first generator ( 1 ) passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ) is adjusted to that the concentrated solution pipe of the first generator ( 1 ) passes through the third solution heat exchanger (K 6 ) and then connects the second generator (A 6 ), the concentrated solution pipe of the second generator (A 6 ) passes through the fourth solution heat exchanger (L 6 ) and then connects the third generator (B 6 ), the concentrated solution pipe of the third generator (B 6 ) passes through the first solution pump ( 7 ), the fourth solution heat exchanger (L 6 ), the third solution heat exchanger (K 6 ), the first solution heat exchanger ( 4 ) and then connects the first absorber ( 2 ) or the concentrated solution pipe of the third generator (B 6 ) passes through the first solution pump ( 7 ), the fourth solution heat exchanger (L 6 ), the third solution heat exchanger (K 6 ), the first solution heat exchanger ( 4 ), the first absorber ( 2 ) and then connects the steam bleeding chamber ( 6 ), 
 wherein after that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the first generator ( 1 ) connects the second generator (A 6 ), the liquid refrigerant pipe of the second generator (A 6 ) passes through the first throttle (F 6 ) and then connects the condenser (C 6 ), 
 wherein using the refrigerant vapor produced by the first generator ( 1 ) as the thermal driving medium of the second generator (A 6 ), that the liquid refrigerant channel of the third generator (B 6 ) passes through the second throttle (G 6 ) and then connects the condenser (C 6 ) after that the refrigerant vapor channel of the second generator (A 6 ) connects the third generator (B 6 ), using the refrigerant vapor produced by the second generator (A 6 ) as the thermal driving medium of the third generator (B 6 ), the refrigerant vapor channel of the third generator (B 6 ) connects the condenser (C 6 ), 
 wherein that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (I 6 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (D 6 ) connects the second absorber ( 3 ), that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects the condenser (C 6 ), 
 wherein the liquid refrigerant pipe of the condenser (C 6 ) passes through the liquid refrigerant pump (H 6 ) and then connects the first evaporator (D 6 ), the liquid refrigerant pipe of the first evaporator (D 6 ) passes through the third throttle (J 6 ) and then connects the second evaporator (I 6 ), the condenser (C 6 ) has the pipe of cooling medium which connects external, the first evaporator (D 6 ) and the second evaporator (I 6 ) have the pipe of residual heat medium which separately connects external, when the system hasn't the second evaporator (I 6 ) and the third throttle (J 6 ), the refrigerant vapor channel of the first evaporator (D 6 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ). 
 
     
     
         20 . The recuperative generation-absorption system, as recited in  claim 2 , wherein a recuperative single stage parallel triple effect second-type absorption heat pump can be formed by adding a second generator (A 6 ), a third generator (B 6 ), a condenser (C 6 ), a first evaporator (D 6 ), a third solution pump ( 9 ), a fourth solution pump (E 6 ), a first throttle (F 6 ), a second throttle (G 6 ), a liquid refrigerant pump (H 6 ), a second evaporator (I 6 ), a third throttle (J 6 ), a third solution heat exchanger (K 6 ), and a fourth solution heat exchanger (L 6 ),
 wherein taking the second generator (A 6 ) as a medium voltage generator and using the third generator (B 6 ) as a low-pressure generator, the concentrated solution pipe of the second generator (A 6 ) passes through the third solution pump ( 9 ), the third solution heat exchanger (K 6 ) and then connects the first absorber ( 2 ), the dilute solution pipe of the first absorber ( 2 ) passes through the third solution heat exchanger (K 6 ) and then connects the second generator (A 6 ), the concentrated solution pipe of the third generator (B 6 ) passes through the fourth solution pump (E 6 ), the fourth solution heat exchanger (L 6 ) and then connects the first absorber ( 2 ), the dilute solution pipe of the first absorber ( 2 ) passes through the fourth solution heat exchanger (L 6 ) and then connects the third generator (B 6 ), that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the liquid refrigerant pipe of the second generator (A 6 ) passes through the first throttle (F 6 ) and then connects the condenser (C 6 ) after that the refrigerant vapor channel of the first generator ( 1 ) connects the second generator (A 6 ),   wherein using the refrigerant vapor produced by the first generator ( 1 ) as the thermal driving medium of the second generator (A 6 ), the liquid refrigerant pipe of the third generator (B 6 ) passes through the second throttle (G 6 ) and then connects the condenser (C 6 ) after that the refrigerant vapor channel of the second generator (A 6 ) connects the third generator (B 6 ), using the refrigerant vapor produced by the second generator (A 6 ) as the thermal driving medium of the third generator (B 6 ), the refrigerant vapor channel of the third generator (B 6 ) connects the condenser (C 6 ),   wherein that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (I 6 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (D 6 ) connects the second absorber ( 3 ), that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects the condenser (C 6 ),   wherein the liquid refrigerant pipe of the condenser (C 6 ) passes through the liquid refrigerant pump (H 6 ) and then connects the first evaporator (D 6 ), the liquid refrigerant pipe of the first evaporator (D 6 ) passes through the third throttle (J 6 ) and then connects the second evaporator (I 6 ), the condenser (C 6 ) has the pipe of cooling medium which connects external, the first evaporator (D 6 ) and the second evaporator (I 6 ) have the pipe of residual heat medium which separately connects external, when the system hasn't the second evaporator (I 6 ) and the third throttle (J 6 ), the refrigerant vapor channel of the first evaporator (D 6 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ).   
     
     
         21 . The recuperative generation-absorption system, as recited in  claim 1 , wherein a recuperative single stage parallel triple effect second-type absorption heat pump can be formed by adding a second generator (A 6 ), a third generator (B 6 ), a condenser (C 6 ), a first evaporator (D 6 ), a first throttle (F 6 ), a second throttle (G 6 ), a liquid refrigerant pump (H 6 ), a second evaporator (I 6 ), a third throttle (J 6 ), a third solution heat exchanger (K 6 ), and a fourth solution heat exchanger (L 6 ),
 wherein taking the second generator (A 6 ) as a high-pressure generator and using the third generator (B 6 ) as a medium voltage generator, the concentrated solution pipe of the second generator (A 6 ) which passes through the third solution heat exchanger (K 6 ) and the concentrated solution pipe of the third generator (B 6 ) which passes through the fourth solution heat exchanger (L 6 ) all join with the solution pipe which passes through the first solution pump ( 7 ), the first solution heat exchanger ( 4 ) from the first generator ( 1 ), the dilute solution pipe of the first absorber ( 2 ) passes through the third solution heat exchanger (K 6 ) and then connects the second generator (A 6 ), the dilute solution pipe of the first absorber ( 1 ) passes through the fourth solution heat exchanger (L 6 ) and then connects the third generator (B 6 ),   wherein that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the liquid refrigerant pipe of the first generator ( 1 ) passes through the second throttle (G 6 ) and then connects the condenser (C 6 ) after that the refrigerant vapor channel of the third generator (B 6 ) connects the first generator ( 1 ),   wherein using the refrigerant vapor produced by the third generator (B 6 ) as the thermal driving medium of the first generator ( 1 ), the liquid refrigerant pipe of the third generator (B 6 ) passes through the first throttle (F 6 ) and then connects the condenser (C 6 ) after that the refrigerant vapor channel of the second generator (A 6 ) connects the third generator (B 6 ), using the refrigerant vapor produced by the second generator (A 6 ) as the thermal driving medium of the third generator (B 6 ), that the refrigerant vapor channel of the first generator ( 1 ) connects external can be considered as that the refrigerant vapor channel of the first generator ( 1 ) connects the condenser (C 6 ),   wherein that the refrigerant vapor channel of the first absorber ( 2 ) connects external can be considered as that the refrigerant vapor channel of the second evaporator (I 6 ) connects the first absorber ( 2 ), that the refrigerant vapor channel of the second absorber ( 3 ) connects external can be considered as that the refrigerant vapor channel of the first evaporator (D 6 ) connects the second absorber ( 3 ), that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects external can be considered as that the refrigerant vapor channel of the steam bleeding chamber ( 6 ) connects the condenser (C 6 ),   wherein the liquid refrigerant pipe of the condenser (C 6 ) passes through the liquid refrigerant pump (H 6 ) and then connects the first evaporator (D 6 ), the liquid refrigerant pipe of the first evaporator (D 6 ) passes through the third throttle (J 6 ) and then connects the second evaporator (I 6 ), the condenser (C 6 ) has the pipe of cooling medium which connects external, the second generator (A 6 ), the first evaporator (D 6 ) and the second evaporator (I 6 ) have the pipe of residual heat medium which separately connects external, when the system hasn't the second evaporator (I 6 ) and the third throttle (J 6 ), the refrigerant vapor channel of the first evaporator (D 6 ) separately connects the first absorber ( 2 ) and the second absorber ( 3 ).   
     
     
         22 . The recuperative generation-absorption system, as recited in any one of  claim 3 , and  10  to  21 , wherein a recuperative second-type absorption heat pump with high-temperature heating-side can be formed by adding a new added absorption-evaporator (a), a new added absorber (b), a new added liquid refrigerant pump (e), a new added first solution heat exchanger (c) and a new added second solution heat exchanger (d),
 wherein the concentrated solution pipe added by the second solution pump passes through the new added second solution heat exchanger (d), the new added first solution heat exchanger (c) and then connects the new added absorber (b), the dilute solution pipe of the new added absorber (b) passes through the new added first solution heat exchanger (c) and then connects the new added absorption-evaporator (a), the dilute solution pipe of the new added absorption-evaporator (a) passes through the new added second solution heat exchanger (d) and then joins with the solution pipe which hasn't passed through the first absorber, 
 wherein after that the liquid refrigerant pipe added by the first evaporator passes through the new added liquid refrigerant pump (e) and then connect the new added absorption-evaporator (a), the refrigerant vapor channel of the new added absorption-evaporator (a) connects the new added absorber (b), the refrigerant vapor channel added by the first evaporator connects the new added absorption-evaporator (a), the new added absorber (b) has the pipe of heated medium which connects external, the solution of the steam bleeding chamber which flows through the second solution pump, the new added second solution heat exchanger (d) and the new added first solution heat exchanger (c) is provided to the new added absorber (b), at the same time, the solution of the new added absorber (b) absorbs the refrigerant vapor coming from the new added absorption-evaporator (a) and releases heat to the heated medium, 
 wherein the dilute solution of the new added absorber (b) flows through the new added first solution heat exchanger (c) and enters the new added absorption-evaporator (a), at the same time, the solution of the new added absorption-evaporator (a) absorbs the refrigerant vapor coming from the first evaporator and releases heat to another way of the liquid refrigerant which flows through the new added absorption-evaporator (a) too, the liquid refrigerant becomes refrigerant vapor which is provided to the new added absorber (b), 
 wherein after that the dilute solution of the new added absorption-evaporator (a) flows through the new added second solution heat exchanger (d), it joins with the dilute solution which haven't flowed into the first absorber, then the dilute solution absorbs heat from the first absorber and then enters the steam bleeding chamber, the new added absorber (b) turns into adjacent high-temperature heating-side of the second absorber. 
 
     
     
         23 . The recuperative generation-absorption system, as recited in any one of  claim 3 , and  10  to  21 , wherein a recuperative second-type absorption heat pump with high-temperature heating-side can be formed by adding a new added absorption-evaporator (a), a new added absorber (b), a new added throttle (f), a new added first solution heat exchanger (c) and a new added second solution heat exchanger (d),
 wherein the concentrated solution pipe added by the second solution pump passes through the new added second solution heat exchanger (d), the new added first solution heat exchanger (c) and then connects the new added absorber (b), the dilute solution pipe of the new added absorber (b) passes through the new added first solution heat exchanger (c) and then connects the new added absorption-evaporator (a), the dilute solution pipe of the new added absorption-evaporator (a) passes through the new added second solution heat exchanger (d) and then joins with the solution pipe which hasn't passed through the first absorber, 
 wherein after that the liquid refrigerant pipe added by the condenser connects the new added absorption-evaporator (a), the refrigerant vapor channel of the new added absorption-evaporator (a) connects the new added absorber (b), 
 wherein at the same time, that the condenser which passes through the liquid refrigerant pump directly connects the first generator is adjusted to that condenser which passes through liquid refrigerant pump and the new added throttle (f) connects the first generator, the refrigerant vapor channel added by the first evaporator connects the new added absorption-evaporator (a), the new added absorber (b) has the pipe of heated medium which connects external, the solution of the steam bleeding chamber which flows through the second solution pump, the new added second solution heat exchanger (d) and the new added first solution heat exchanger (c) is provided to the new added absorber (b), at the same time, the solution of the new added absorber (b) absorbs the refrigerant vapor coming from the new added absorption-evaporator (a) and releases heat to the heated medium, 
 wherein the dilute solution of the new added absorber (b) flows through the new added first solution heat exchanger (c) and enters the new added absorption-evaporator (a), at the same time, the solution of the new added absorption-evaporator (a) absorbs the refrigerant vapor coming from the first evaporator and releases heat to another way of the liquid refrigerant which flows through the new added absorption-evaporator (a) too, the liquid refrigerant becomes refrigerant vapor which is provided to the new added absorber (b), 
 wherein after that the dilute solution of the new added absorption-evaporator (a) flows through the new added second solution heat exchanger (d), it joins with the dilute solution which haven't flowed into the first absorber, then the dilute solution absorbs heat from the first absorber and then enters the steam bleeding chamber, the new added absorber (b) turns into an adjacent high-temperature heating-side of the second absorber. 
 
     
     
         24 . The recuperative generation-absorption system, as recited in  claim 4  or  5 , wherein a recuperative second-type absorption heat pump with high-temperature heating-side can be formed by adding a new added absorption-evaporator (a), a new added absorber (b), a new added liquid refrigerant pump (e), a new added first solution heat exchanger (c) and a new added second solution heat exchanger (d),
 wherein the concentrated solution pipe added by the second solution pump passes through the new added second solution heat exchanger (d), the new added first solution heat exchanger (c) and then connects the new added absorber (b), the dilute solution pipe of the new added absorber (b) passes through the new added first solution heat exchanger (c) and then connects the new added absorption-evaporator (a), the dilute solution pipe of the new added absorption-evaporator (a) passes through the new added second solution heat exchanger (d) and then joins with the solution pipe which hasn't passed through the first absorber, 
 wherein after that the liquid refrigerant pipe of the first liquid refrigerant pump which passes through the new added liquid refrigerant pump (e) connects the new added absorption-evaporator (a), the refrigerant vapor channel of the new added absorption-evaporator (a) connects the new added absorber (b), the refrigerant vapor channel added by absorption-evaporator connects the new added absorption-evaporator (a), the new added absorber (b) has the pipe of heated medium which connects external, the solution of the steam bleeding chamber which flows through the second solution pump, the new added second solution heat exchanger (d) and the new added first solution heat exchanger (c) is provided to the new added absorber (b), at the same time, the solution of the new added absorber (b) absorbs the refrigerant vapor coming from the new added absorption-evaporator (a) and releases heat to the heated medium, 
 wherein the dilute solution of the new added absorber (b) flows through the new added first solution heat exchanger (c) and enters the new added absorption-evaporator (a), at the same time, the solution of the new added absorption-evaporator (a) absorbs the refrigerant vapor coming from the absorption-evaporator and releases heat to another way of the liquid refrigerant which flows through the new added absorption-evaporator (a) too, the liquid refrigerant becomes refrigerant vapor which is provided to the new added absorber (b), 
 wherein after that the dilute solution of the new added absorption-evaporator (a) flows through the new added second solution heat exchanger, it joins with the dilute solution which haven't flowed into the first absorber, then the dilute solution absorbs heat from the first absorber and then enters the steam bleeding chamber, the new added absorber (b) turns into an adjacent high-temperature heating-side of the second absorber. 
 
     
     
         25 . The recuperative generation-absorption system, as recited in  claim 6  or  7 , wherein a recuperative second-type absorption heat pump with high-temperature heating-side can be formed by adding a new added absorption-evaporator (a), a new added absorber (b), a new added liquid refrigerant pump (e), a new added first solution heat exchanger (c) and a new added second solution heat exchanger (d),
 wherein the concentrated solution pipe added by the second solution pump passes through the new added second solution heat exchanger (d), the new added first solution heat exchanger (c) and then connects the new added absorber (b), the dilute solution pipe of the new added absorber (b) passes through the new added first solution heat exchanger (c) and then connects the new added absorption-evaporator (a), the dilute solution pipe of the new added absorption-evaporator (a) passes through the new added second solution heat exchanger (d) and then joins with the solution pipe which hasn't passed through the first absorber, 
 wherein after that the liquid refrigerant pipe of the first liquid refrigerant pump which passes through the new added liquid refrigerant pump (e) connects the new added absorption-evaporator (a), the refrigerant vapor channel of the new added absorption-evaporator (a) connects the new added absorber (b), the refrigerant vapor channel added by two-stage absorption-evaporator connects the new added absorption-evaporator (a), the new added absorber (b) has the pipe of heated medium which connects external, the solution of the steam bleeding chamber which flows through the second solution pump, the new added second solution heat exchanger (d) and the new added first solution heat exchanger (c) is provided to the new added absorber (b), at the same time, the solution of the new added absorber (b) absorbs the refrigerant vapor coming from the new added absorption-evaporator (a) and releases heat to the heated medium, 
 wherein the dilute solution of the new added absorber (b) flows through the new added first solution heat exchanger (c) and enters the new added absorption-evaporator (a), at the same time, the solution of the new added absorption-evaporator (a) absorbs the refrigerant vapor coming from the first two-stage absorption-evaporator and releases heat to another way of the liquid refrigerant which flows through the new added absorption-evaporator (a) too, the liquid refrigerant becomes refrigerant vapor which is provided to the new added absorber (b), 
 wherein after that the dilute solution of the new added absorption-evaporator (a) flows through the new added second solution heat exchanger (d), it joins with the dilute solution which haven't flowed into the first absorber, then the dilute solution absorbs heat from the first absorber and then enters the steam bleeding chamber, the new added absorber (b) turns into an adjacent high-temperature heating-side of the second absorber. 
 
     
     
         26 . The recuperative generation-absorption system, as recited in  claim 8  or  9 , wherein a recuperative second-type absorption heat pump with high-temperature heating-side can be formed by adding a new added absorption-evaporator (a), a new added absorber (b), a new added liquid refrigerant pump (e), a new added first solution heat exchanger (c) and a new added second solution heat exchanger (d),
 wherein the concentrated solution pipe added by the second solution pump passes through the new added second solution heat exchanger (d), the new added first solution heat exchanger (c) and then connects the new added absorber (b), the dilute solution pipe of the new added absorber (b) passes through the new added first solution heat exchanger (c) and then connects the new added absorption-evaporator (a), the dilute solution pipe of the new added absorption-evaporator (a) passes through the new added second solution heat exchanger (d) and then joins with the solution pipe which hasn't passed through the first absorber, 
 wherein after that the liquid refrigerant pipe of the first liquid refrigerant pump which passes through the new added liquid refrigerant pump connects the new added absorption-evaporator (a), the refrigerant vapor channel of the new added absorption-evaporator (a) connects the new added absorber (b), \the refrigerant vapor channel added by absorption-evaporator connects the new added absorption-evaporator (a), the new added absorber (b) has the pipe of heated medium which connects external, the solution of the steam bleeding chamber which flows through the second solution pump, the new added second solution heat exchanger (d) and the new added first solution heat exchanger (c) is provided to the new added absorber (b), at the same time, the solution of the new added absorber (b) absorbs the refrigerant vapor coming from the new added absorption-evaporator (a) and releases heat to the heated medium, 
 wherein the dilute solution of the new added absorber (b) flows through the new added first solution heat exchanger (c) and enters the new added absorption-evaporator (a), at the same time, the solution of the new added absorption-evaporator (a) absorbs the refrigerant vapor coming from absorption-evaporator and releases heat to another way of the liquid refrigerant which flows through the new added absorption-evaporator (a) too, the liquid refrigerant becomes refrigerant vapor which is provided to the new added absorber (b), 
 wherein after that the dilute solution of the new added absorption-evaporator (a) flows through the new added second solution heat exchanger (d), it joins with the dilute solution which haven't flowed into the first absorber, then the dilute solution absorbs heat from the first absorber and then enters the steam bleeding chamber, the new added absorber (b) turns into an adjacent high-temperature heating-side of the second absorber.