Heat exchange apparatus, heat exchange method, and air conditioning system

Abstract

In order to efficiently distribute a heat medium at a low heat medium pressure, a heat exchange apparatus includes a heat exchange pipe 2 configured to accommodate a heat medium L to be evaporated by heat absorption from a gas to be cooled, the heat exchange pipe being disposed in an inclined state, a supply pipe 1 configured to supply the heat medium L in a liquid-phase state, the supply pipe being placed in a vicinity of a lower part of the heat exchange pipe 2, a discharge pipe 3 configured to receive a heat medium L to be evaporated in the heat exchange pipe 2 and discharged from an upper part of the heat exchange pipe, and a connecting pipe 4 placed, directing downward, between an upper part of the heat exchange pipe 2 and the discharge pipe 3.

What is claimed is: 
     
         1 . A heat exchange apparatus comprising:
 a heat exchange pipe configured to accommodate a heat medium to be evaporated by heat absorption from a gas to be cooled, the heat exchange pipe being disposed in an inclined state;   a supply pipe configured to supply the heat medium in a liquid-phase state, the supply pipe being placed in a vicinity of a lower part of the heat exchange pipe;   a discharge pipe configured to receive a heat medium to be evaporated in the heat exchange pipe and discharged from an upper part of the heat exchange pipe; and   a connecting pipe placed, directing downward, between an upper part of the heat exchange pipe and the discharge pipe.   
     
     
         2 . The heat exchange apparatus according to  claim 1 , further comprising
 a flow rate adjustment unit configured to adjust a flow rate of the heat medium of the supply pipe in such a way as to supply a larger amount of heat medium than a heat medium required for absorbing heat in the heat exchange pipe by a predetermined amount.   
     
     
         3 . The heat exchange apparatus according to  claim 1 , wherein
 the heat exchange pipe is placed in an inclined state, and is configured to be supplied with the heat medium from a lower part and discharge the heat medium from an upper part toward the connecting pipe.   
     
     
         4 . The heat exchange apparatus according to  claim 1 , further comprising
 a main supply line configured to supply the heat medium to the supply pipe, and a main discharge line configured to receive the heat medium discharged from the discharge pipe,   wherein the main supply line and the main discharge line are placed below the supply pipe and the discharge pipe.   
     
     
         5 . A heat exchange method comprising:
 supplying a heat medium in a liquid-phase state at a flow rate higher than a flow rate required for absorbing a heating value of a heat source by a predetermined amount, depending on the heating value;   distributing the heat medium supplied in a liquid-phase state to a plurality of heat exchange units; and   changing the heat medium distributed in a liquid-phase state into a gas-phase state by heat from the heat source, and discharging, together with the heat medium in a liquid-phase state, the heat medium in a gas-phase state having absorbed heat.   
     
     
         6 . An air conditioning system comprising:
 a plurality of heat exchange apparatuses, each of the plurality of heat exchange apparatuses comprising
 a heat exchange pipe configured to accommodate a heat medium to be evaporated by heat absorption from a gas to be cooled, the heat exchange pipe being disposed in an inclined state, 
 a supply pipe configured to supply the heat medium in a liquid-phase state, the supply pipe being placed in a vicinity of a lower part of the heat exchange pipe, 
 a discharge pipe configured to receive a heat medium to be evaporated in the heat exchange pipe and discharged from an upper part of the heat exchange pipe, and 
 a connecting pipe placed, directing downward, between an upper part of the heat exchange pipe and the discharge pipe; 
   a main supply line configured to supply the heat medium to the supply pipe of the heat exchange apparatus; and   a main discharge line configured to receive the heat medium from the discharge pipe of the heat exchange apparatus,   wherein the heat exchange pipe is disposed in a direction in which the heat exchange pipe intersects air current.   
     
     
         7 . The air conditioning system according to  claim 6 , further comprising
 a flange placed in a middle of the main supply line in such a way as to connect the main supply line in a separable manner with respect to each predetermined length, and   a flange placed in a middle of the main discharge line in such a way as to connect the main discharge line in a separable manner with respect to each predetermined length.   
     
     
         8 . The heat exchange apparatus according to  claim 2 , wherein
 the heat exchange pipe is placed in an inclined state, and is configured to be supplied with the heat medium from a lower part and discharge the heat medium from an upper part toward the connecting pipe.   
     
     
         9 . The heat exchange apparatus according to  claim 2 , further comprising
 a main supply line configured to supply the heat medium to the supply pipe, and a main discharge line configured to receive the heat medium discharged from the discharge pipe,   wherein the main supply line and the main discharge line are placed below the supply pipe and the discharge pipe.   
     
     
         10 . The heat exchange apparatus according to  claim 3 , further comprising
 a main supply line configured to supply the heat medium to the supply pipe, and a main discharge line configured to receive the heat medium discharged from the discharge pipe,   wherein the main supply line and the main discharge line are placed below the supply pipe and the discharge pipe.   
     
     
         11 . The air conditioning system according to  claim 6 , wherein
 each of the plurality of heat exchange apparatuses further includes a flow rate adjustment unit configured to adjust a flow rate of the heat medium of the supply pipe in such a way as to supply a larger amount of heat medium than a heat medium required for absorbing heat in the heat exchange pipe by a predetermined amount.   
     
     
         12 . The air conditioning system according to  claim 6 , wherein
 the heat exchange pipe is placed in an inclined state, and is configured to be supplied with the heat medium from a lower part and discharge the heat medium from an upper part toward the connecting pipe.   
     
     
         13 . The air conditioning system according to  claim 6 , wherein
 each of the plurality of heat exchange apparatuses further includes a main supply line configured to supply the heat medium to the supply pipe, and a main discharge line configured to receive the heat medium discharged from the discharge pipe, and   the main supply line and the main discharge line are placed below the supply pipe and the discharge pipe.   
     
     
         14 . The air conditioning system according to  claim 7 , wherein
 each of the plurality of heat exchange apparatuses further includes a flow rate adjustment unit configured to adjust a flow rate of the heat medium of the supply pipe in such a way as to supply a larger amount of heat medium than a heat medium required for absorbing heat in the heat exchange pipe by a predetermined amount.   
     
     
         15 . The air conditioning system according to  claim 7 , wherein
 the heat exchange pipe is placed in an inclined state, and is configured to be supplied with the heat medium from a lower part and discharge the heat medium from an upper part toward the connecting pipe.   
     
     
         16 . The air conditioning system according to  claim 7 , wherein
 each of the plurality of heat exchange apparatuses further includes a main supply line configured to supply the heat medium to the supply pipe, and a main discharge line configured to receive the heat medium discharged from the discharge pipe, and   the main supply line and the main discharge line are placed below the supply pipe and the discharge pipe.