Cooling machine

One embodiment of the utility model discloses a cooling machine. A pre-cooling evaporator and a secondary evaporator are connected by a centrifugal blower. A first refrigeration system comprises a pre-cooling evaporator, a first compressor, a first condenser, a first drying filter and a first expans...

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Bibliographische Detailangaben
Hauptverfasser:	XIE LINGDE, HE YANPING, LUO SHAOHUA, ZHU YONGJUN, CHAO HONGZAN, CHEN GUOLI, XU XIANGDONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CHEMICAL RIPENING OF FRUIT OR VEGETABLES COMBINED HEATING AND REFRIGERATION SYSTEMS FOODS OR FOODSTUFFS HEAT PUMP SYSTEMS HEATING HUMAN NECESSITIES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT,VEGETABLES, EDIBLE SEEDS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING THE PRESERVED, RIPENED, OR CANNED PRODUCTS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES WEAPONS
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Beschreibung
Zusammenfassung:	One embodiment of the utility model discloses a cooling machine. A pre-cooling evaporator and a secondary evaporator are connected by a centrifugal blower. A first refrigeration system comprises a pre-cooling evaporator, a first compressor, a first condenser, a first drying filter and a first expansion valve which are connected between the outlet and the inlet of the pre-cooling evaporator in turn; the second refrigeration system comprises a secondary evaporator, a vapor liquid separator, a second compressor, a second condenser, a second drying filter and a second expansion valve which are connected between the outlet of the secondary evaporator and the inlet in turn. The cooling machine uses the double refrigeration cycle. The heat exchanger uses the secondary evaporation and the pre-cooling evaporator is used for performing the heat exchange with the outside high-temperature air and the high-temperature air is directly cooled by the low-temperature liquid secondary refrigerant when passing through the surfa