Heat recovery system and heat recovery unit provided with same

The invention discloses a heat recovery system and a heat recovery unit provided with the same. A capillary tube s of a first four-way valve is communicated with a suction pipeline between a first electromagnetic valve and a compressor; a capillary tube s of a second four-way valve is communicated w...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHUO MINGSHENG, WEI JING, XIA GUANGHUI, WANG GUODONG, WANG CHUANHUA, XU CUIDUAN, ZHANG LONGAI, JIANG JINLONG, LIAO RONG
Format:	Patent
Sprache:	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 invention discloses a heat recovery system and a heat recovery unit provided with the same. A capillary tube s of a first four-way valve is communicated with a suction pipeline between a first electromagnetic valve and a compressor; a capillary tube s of a second four-way valve is communicated with a suction pipeline between a second electromagnetic valve and the compressor; during the mode conversion of the heat recovery system, even if the first electromagnetic valve or the second electromagnetic valve is closed, the capillary tube s of the first electromagnetic valve or the capillary tube s of the second electromagnetic valve is always communicated with the low-pressure side of the heat recovery system, so that stable high-low pressure difference in the first four-way valve or the second four-way valve is ensured, a leakage of the first four-way valve or the second four-way valve is avoided, and the reliability and the stability of the heat recovery system are improved.