Co-generation

Abstract

Disclosed related to a co-generation according to the present invention comprising an electric generator, an engine, a waste heat recovery heat exchanger where the waste heat of the engine is recovered, a water boil heat exchanger connected with the waste heat recovery heat exchanger and the heat transfer path, a hot water storage tank connected with the water boil heat exchanger and the water circulation path, a water boil heat exchanger bypassing path formed at the water circulation path, a water boil heat exchanger bypassing valve installed at the water boil heat exchanger bypassing path. The co-generation of the present invention has some advantages in that the entire length of the exhaust pipe and the installing costs are reduced as the numbers of the long pipes are reduced compared with the case that the water boil heat exchanger and the water boil heat exchanger bypassing valve are installed at the outside of the engine unit as all of the electric generator, engine, the waste heat recovery heat exchanger, the water boil heat exchanger, the water heat exchanger bypassing path, and the water boil heat exchanger bypassing valve are installed at the engine unit.

1 . A co-generation comprising: an electric generator; an engine operating the electric generator; a waste heat recovery heat exchanger recovering the exhaust heat of the engine; a water boil heat exchanger boiling water; a hot water storage tank connected with the water boil heat exchanger and the water circulation path; a water supply path connected with the water circulation path; a water boil heat exchanger bypassing path formed at the water circulation path; a water boil heat exchanger bypassing valve controlling the water boil heat exchanger bypassing path; an air conditioner air conditioning the indoor air; a supply heat exchanger installed on the refrigerant path of the air conditioner; and a heat transfer path connecting the waste heat recovery heat exchanger, the water boil heat exchanger, and the supply heat exchanger,
 wherein all of the engine, the electric generator, the waste heat recovery heat exchanger, water boil heat exchanger, and the water boil heat exchanger bypassing path, and the water boil heat exchanger bypassing valve are installed at the engine unit.   
   
   
       2 . The co-generation according to  claim 1 ,
 wherein the engine unit is installed underground of the construction where the co-generation is installed.   
   
   
       3 . The co-generation according to  claim 2 ,
 wherein the hot water storage tank is installed underground of the construction.   
   
   
       4 . The co-generation according to  claim 1 ,
 wherein the water circulation path is connected with the water supply path.   
   
   
       5 . The co-generation according to  claim 1 ,
 wherein the co-generation further comprises:   a radiant heat exchanger connected with the heat transfer path for radiating heat to outside;   a water boil/radiant heat exchanger bypassing path and a water boil/radiant heat exchanger bypassing valve formed at the heat transfer path;   a radiant heat exchanger bypassing path and radiant heat exchanger bypassing valve formed at the heat transfer path;   a supply heat exchanger bypassing path and a supply heat exchanger bypassing valve formed at the heat transfer path.   
   
   
       6 . The co-generation according to  claim 5 ,
 wherein all of the radiant heat exchanger, the radiant heat exchanger bypassing path, the radiant heat exchanger bypassing valve, the supply heat exchanger bypassing path, and the supply heat exchanger bypassing valve are installed at the heat exhaust unit.   
   
   
       7 . The co-generation according to  claim 6 ,
 wherein the heat exhaust unit is installed around the air conditioner.   
   
   
       8 . The co-generation according to  claim 6 ,
 wherein the heat transfer path is installed as long from the engine unit to the heat exhaust unit and the supply heat exchanger.   
   
   
       9 . The co-generation according to  claim 5 ,
 wherein the water boil/radiant heat exchanger bypassing path is installed as long from the engine unit to the heat exhaust unit.   
   
   
       10 . The co-generation according to  claim 5 ,
 wherein the water boil/radiant heat exchanger bypassing valve is installed at the engine unit.   
   
   
       11 . The co-generation according to  claim 1 ,
 wherein the air conditioner is a heat pump type air conditioner composed of an outdoor machine installed in the outside including a compressor, a 4-way valve, an outdoor heat exchanger and a outdoor expansion, and an indoor machine installed in the inside including an indoor heat exchanger and an expansion apparatus.   
   
   
       12 . The co-generation according to  claim 11 ,
 wherein the supply heat exchanger is installed at in the inside of the outdoor machine.   
   
   
       13 . The co-generation according to  claim 11 ,
 wherein the heat pump type air conditioner further comprises the outdoor expansion valve bypassing path bypassing the refrigerant through the outdoor expansion valve.   
   
   
       14 . The co-generation according to  claim 13 ,
 wherein a check valve for steaming the refrigerant into the outdoor expansion valve without passing through the outdoor expansion valve bypassing path during the air-heating operation is installed at the outdoor expansion valve bypassing path of the heat pump type air conditioner.   
   
   
       15 . The co-generation according to  claim 13 ,
 wherein the supply heat exchanger is installed on the refrigerant path between the outdoor expansion valve bypassing path and the outdoor heat exchanger.   
   
   
       16 . an electric generator;
 an engine operating the electric generator;   a waste heat recovery heat exchanger recovering the exhaust heat of the engine;   a water boil heat exchanger boiling water;   an outdoor machine includes a compressor, a 4-way valve, an outdoor heat exchanger, and an outdoor expansion valve, and having an outdoor expansion valve bypassing path bypassing the refrigerant through the outdoor expansion valve;   an indoor machine including the indoor heat exchanger and the indoor expansion valve;   a supply heat exchanger installed on the refrigerant path between the outdoor expansion valve bypassing path and the outdoor heat exchanger;   and a heat transfer path connecting the waste heat recovery heat exchanger, the water boil heat exchanger, and the supply heat exchanger.   
   
   
       17 . The co-generation according to  claim 16 ,
 wherein a check valve streaming the refrigerant into the outdoor expansion valve without passing through the outdoor expansion valve bypassing path during the air-heating operation is installed at the outdoor expansion valve bypassing path.   
   
   
       18 . The co-generation according to  claim 16 ,
 wherein all of the electric generator, engine, waste heat recovery heat exchanger, and the water boil heat exchanger are installed at the engine unit.   
   
   
       19 . The co-generation according to  claim 16 ,
 wherein the supply heat exchanger is installed in the inside of the outdoor machine.   
   
   
       20 . A co-generation comprising: an electric generator; an engine operating the electric generator; a waste heat recovery heat exchanger recovering the exhaust heat of the engine; a water boil heat exchanger boiling water; a hot water storage tank connected with the water boil heat exchanger; a water supply path connected with the water circulation path; a water boil heat exchanger bypassing path formed at the water circulation path; a water boil heat exchanger bypassing valve controlling the water boil heat exchanger bypassing path; a radiant heat exchanger radiating heat to outside; an air conditioner air conditioning the indoor air; a supply heat exchanger installed on the refrigerant path of the air conditioner; a heat transfer path connecting the waste heat recovery heat exchanger, the water boil heat exchanger, a radiant heat exchanger, and a supply heat exchanger; a water boil/radiant heat exchanger bypassing path formed at the heat transfer path and a water boil/radiant heat exchanger bypassing valve; a radiant heat exchanger bypassing path and a radiant heat exchanger bypassing valve formed at the heat transfer path; and a supply heat exchanger bypassing path and a supply heat exchanger bypassing valve formed at the heat transfer path,
 wherein the engine unit and the hot water storage tank are installed underground, and all of the radiant heat exchanger, radiant heat exchanger bypassing path, radiant heat exchanger bypassing valve, supply heat exchanger bypassing path, and the supply heat exchanger bypassing valve are installed at the heat exhaust unit.