HEAT PUMP SYSTEM AND WASTE TANK

The present invention provides a heat pump system and a wastewater tank. The heat pump system comprises: a main circuit connecting a compressor, a first heat exchanger, a throttling element, and a refrigerant pipeline of a second heat exchanger; a wastewater tank for receiving and storing domestic w...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Shi, Runfu, Xu, Hui
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING REFRIGERATORS WEAPONS
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Beschreibung
Zusammenfassung:	The present invention provides a heat pump system and a wastewater tank. The heat pump system comprises: a main circuit connecting a compressor, a first heat exchanger, a throttling element, and a refrigerant pipeline of a second heat exchanger; a wastewater tank for receiving and storing domestic wastewater; a wastewater heat recovery circuit connecting a driving device, a first heat exchange unit, and a defrosting pipeline of the second heat exchanger, wherein the second heat exchanger is a three-medium fluid heat exchanger, the defrosting pipeline and the refrigerant pipeline are thermally coupled with each other, and the first heat exchange unit is thermally coupled with the wastewater tank; wherein, the heat pump system has a fast defrosting mode in which the wastewater heat recovery circuit transports residual heat from wastewater in the wastewater tank to the second heat exchanger to accelerate defrosting.