Compressor air supply circulation mechanism and heat pump system thereof
A circulation mechanism and compressor exhaust technology, applied in heat pumps, fluid circulation arrangements, refrigerators, etc., can solve the problems of high energy consumption of heat pump systems, unfavorable evaporator temperature matching, and small evaporator temperature matching adjustment range, etc., to achieve Reduce the operating pressure ratio of the system, expand the temperature matching adjustment range, and improve the overall performance
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Embodiment 1
[0038] Such as figure 1 As shown, this embodiment provides a heat pump system with a non-azeotropic working medium vapor compression air supply cycle mechanism, the heat pump system includes a compressor air supply cycle mechanism, and a compressor set corresponding to the compressor air supply cycle mechanism Compressor 3, condenser 4 and evaporator 5, described compressor 3 is the supplementary air compressor that has compressor outlet 3a, compressor inlet 3b and compressor suction port 3c; The air cycle mechanism includes:
[0039] The intermediate heat exchanger 2 includes a first heat exchange branch 8 and a second heat exchange branch 13, and the medium flowing through both of them exchanges heat with each other in the intermediate heat exchanger 2;
[0040] The gas discharged from the compressor 3 flows through the compressor exhaust port 3a and then enters the condenser 4. After the high-temperature and high-pressure gaseous non-azeotropic working medium is condensed...
Embodiment 2
[0047] The difference between this embodiment and embodiment 1 is that, as figure 2 As shown, the compressor 3 is a two-stage compressor, including a low-pressure stage compressor 16 and a high-pressure stage compressor 17 connected end to end, and the compressor inlet 3b of the low-pressure stage compressor 16 is connected to the evaporator 5 The outlet of the high-pressure stage compressor 17 is connected to the outlet of the compressor, and the compressor discharge port 3a of the high-pressure stage compressor 17 is connected to the inlet of the condenser 4, and the separated part of the high-boiling point components is connected to the high-pressure The air inlet of stage compressor 17 is connected. By changing the supplementary gas compressor to a two-stage compressor, the user can have more choices, and the user can change the type of the compressor according to actual needs, which improves the scope of application of the non-azeotropic working medium vapor compression ...
Embodiment 3
[0049] The difference between this embodiment and embodiment 1 is that, as image 3 As shown, the gas discharged from the compressor 3 flows through the compressor exhaust port 3a and then enters the condenser 4, and the high-temperature and high-pressure gaseous zeotropic working medium is condensed into a high-temperature and high-pressure liquid zeotropic working medium in the condenser 4 and converted It is in a two-phase state, and the two-phase non-azeotropic working fluid enters the flasher 1 through the flasher inlet 1a, and the flasher 1 separates the high and low boiling point components through gas-liquid phase separation, and the working fluid rich in low boiling point components exists In the gas phase of the flasher 1, the working fluid rich in high boiling point components is present in the liquid phase of the flasher 1, and the flasher 1 is provided with a first outlet for the part of the high boiling point components to flow out. High boiling point component o...
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