Domestic air source heat pump heating system and apparatus for coldness area
An air source heat pump and heating system technology, which is applied in hot water central heating systems, household heating, heating systems, etc., can solve the problems of low superheat of thermal expansion valves affecting the flow rate of working fluid, etc., and achieves considerable market application prospects. Effect of improving heating capacity and heating efficiency
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[0019]The specific implementation manner of the present invention will be described in detail below in combination with the technical scheme and accompanying drawings. Such as figure 1 As shown, the present invention includes a low-pressure inverter compressor (1), a high-pressure compressor (2), a flash evaporator (3), a liquid receiver (4), an outdoor heat exchanger (5), an outdoor fan (6), a defrosting Coil (7), flash gas superheating coil (8), compressor heat dissipation recovery coil (9), low-pressure air supply booster pipeline (10), thermal expansion valve (11, 12), three-way solenoid valve (13), solenoid valves (14, 15, 16, 17, 18, 19, 20, 32), heat splitters (21), multi-head high-efficiency spiral heat exchangers (22, 23), water pumps (24, 25) , water storage tanks (26, 27), heating outlet pipes (28), heating return pipes (29), sanitary hot water supply ports (30), sanitary hot water outlets (31) and refrigerant working medium connecting pipes and Waterway connectin...
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