| 摘要 |
PROBLEM TO BE SOLVED: To provide a system to enable improvement of the efficiency of a cooling device through recovery of both a cooling water waste heat and exhaust waste heat and a decrease in size, in a combination cooling system of a compression type and an absorption type. SOLUTION: A high temperature and high pressure gas refrigerant A compressed by a compressor 11 flows to a condenser 5 through a refrigerant line L1 and cools and condenses through heat exchange with outside air thereat. A condensed liquid refrigerant A is guided to an evaporator 6 of an absorption system B through a refrigerant circuit L2. Thereat, the liquid refrigerant effects radiation to a refrigerant B, fed to the evaporator 6, through a pipe wall and its own is supercooled. The liquid refrigerant A is further guided to an evaporator 7 of an absorption system C through a refrigerant line L3. Thereat, the liquid refrigerant A radiates heat to a refrigerant B, fed to the evaporator 6, through a pipe wall and itself is supercooled. The liquid refrigerant A is further guided to the evaporator 7 of an absorption type C through a refrigerant line L3. Thereat the liquid refrigerant A radiates heat against the refrigerant C, fed to an evaporator 7, through a pipe wall and its own is further supercooled. The liquid refrigerant A coming out from the evaporator 7 effects adiabatic expansion when it passes through an expansion valve 9 and brought into a low pressure liquid gas coexistence state and is guided to an evaporator 8. The refrigerant A robs heat of indoor air, being a cooling object, in the evaporator 8 and its own is vaporized into low pressure refrigerant gas and is returned to a compressor 11 through a refrigerant line L5.
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