Cascade Refrigeration System with Variable Flow Single Working Substance Parallel Condenser and Evaporator
A technology of condensing evaporator and cascade refrigeration, applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of difficult to change working medium flow control, complex system, etc. Simple, efficient results
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[0023] figure 1 It is a schematic diagram of the cascade refrigeration system of the present invention with variable flow single working medium parallel condensers and evaporators. Valve 4-1 and low-temperature throttling valve 4-2, the exhaust end of each refrigeration compressor 1 is respectively connected with a first electromagnetic valve 2-1 and a second electromagnetic valve 2-2, each of the The suction end of the refrigeration compressor 1 is respectively connected with a third solenoid valve 2-3 and a fourth solenoid valve 2-4, and the first solenoid valve 2-1 connected to each refrigeration compressor 1 is connected with the The inlet of the condenser 3 is connected, and the outlet of each condenser 3 is connected in parallel to the inlet of the evaporation side of the condensing evaporator 5 through the high-temperature stage throttle valve 4-1. The connected second solenoid valve 2-2 is connected in parallel with the inlet of the condensation side of the condensing...
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