Novel cascade refrigeration system
A technology of cascade refrigeration and refrigeration system, applied in refrigerators, refrigeration and liquefaction, lighting and heating equipment, etc., can solve the problems of high energy consumption, long refrigeration time, low refrigeration efficiency, etc. Fast, high cooling effect
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[0014] The present invention will be further described below in conjunction with the accompanying drawings.
[0015] A new type of cascade refrigeration system, including a primary refrigeration system and multiple secondary refrigeration systems, the primary refrigeration system is sequentially connected in series with a primary compressor 1, a condenser 2, a primary capillary tube 3 and a heat exchanger 4. The first-stage compressor 1 and the condenser 2 are connected through a first-stage compressor exhaust pipe 5 , and the heat exchanger 4 and the first-stage compressor 1 are connected through a first-stage compressor air return pipe 6 . The plurality of secondary refrigeration systems have the same structure, each secondary refrigeration system includes a secondary compressor 7, the secondary compressor 7 is connected to the condenser 2 in the primary refrigeration system, and the condenser 2 is connected to the primary refrigeration system The heat exchanger 4 in the ref...
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