Heat pump unit with lubricating oil waste heat recovery function and heat supply system

The heat pump unit comprises a heating circulation system and a lubricating oil waste heat recovery system, the heating circulation system is composed of a compressor, a heat exchange device, a throttling expansion valve, a first flash tank, an evaporator and a second flash tank, and the compressor,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WANG KANGPING, LI QIANSHENG, CUI HONGYAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The heat pump unit comprises a heating circulation system and a lubricating oil waste heat recovery system, the heating circulation system is composed of a compressor, a heat exchange device, a throttling expansion valve, a first flash tank, an evaporator and a second flash tank, and the compressor, the heat exchange device, the throttling expansion valve, the first flash tank, the evaporator and the second flash tank are connected end to end. The lubricating oil waste heat recovery system comprises an oil outlet pipe, an oil-gas separator, an oil pump, a heat exchange coil pipe, a filter, a buffer tank and an oil return pipe; and the heat exchange coil pipe is wound on the outer surface of the second flash tank. According to the heat pump unit, the heating circulating system and the lubricating oil waste heat recovery system are arranged, the heat exchange coil is wound on the second flash tank for heat exchange, heat of the lubricating oil waste heat recovery system is transferred to the refrigerant in the