High-temperature overlapping machine

The high-temperature cascade machine comprises an evaporator, a high-temperature circulation pipeline, an intermediate heat exchanger and a low-temperature circulation pipeline, the low-temperature circulation pipeline comprises a first compressor, a first electronic expansion valve, a first gas-liq...

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Bibliographische Detailangaben
1. Verfasser:	TAN XIUQING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING RANGES REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	The high-temperature cascade machine comprises an evaporator, a high-temperature circulation pipeline, an intermediate heat exchanger and a low-temperature circulation pipeline, the low-temperature circulation pipeline comprises a first compressor, a first electronic expansion valve, a first gas-liquid separator and a first four-way valve, and the first four-way valve is connected with the first compressor, the first gas-liquid separator, the evaporator and the intermediate heat exchanger. The first gas-liquid separator is connected to the first compressor, the intermediate heat exchanger is connected to the evaporator through a first electronic expansion valve, the high-temperature circulation pipeline comprises a second compressor, a second gas-liquid separator and a second electronic expansion valve, the second compressor is connected with the second gas-liquid separator, and the second gas-liquid separator is connected with the intermediate heat exchanger. The second electronic expansion valve is connecte