Cascade heat pump system

The utility model relates to the technical field of heating equipment, in particular to a cascade heat pump system which comprises a compressor, a condenser, a primary gas-liquid separator, a gas phase pipeline connected with the gas phase output end of the primary gas-liquid separator, and a liquid...

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Bibliographische Detailangaben
Hauptverfasser:	YANG SONGWEN, WEI YUANKANG, LIAO YONGZHANG, WANG CHUANHUA, JIANG LEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to the technical field of heating equipment, in particular to a cascade heat pump system which comprises a compressor, a condenser, a primary gas-liquid separator, a gas phase pipeline connected with the gas phase output end of the primary gas-liquid separator, and a liquid phase pipeline connected with the liquid phase output end of the primary gas-liquid separator, the gas-phase separator is used for separating a liquid-phase working medium mixed in the gas-phase working medium; and the liquid-phase separator is used for separating a gas-phase working medium mixed in the liquid-phase working medium. After a primary gas-liquid separator is used for primarily separating a cooled gas-phase working medium and a cooled liquid-phase working medium, a gas-phase separator and a liquid-phase separator are used for separating a small amount of gas-phase working medium mixed into the gas-phase working medium in a gas-phase pipeline and a small amount of gas-phase working medium mixed into the