a transcritical co 2 Compound heat pump system
A heat pump system, transcritical technology
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[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0028] see figure 1 As shown, the present invention is a transcritical CO 2 Compound heat pump system, including first gas cooler 3, first expansion valve 11, first evaporator 4, first compressor 1, gas-liquid separator 5, regenerator 12, second compressor 6, second expansion Valve 13 , second evaporator 7 and second gas cooler 8 .
[0029] The first gas cooler 3, the regenerator 12, the gas-liquid separator 5, the first expansion valve 11, the first evaporator 4, and the first compressor 1 form a first heat pump system; the outlet of the first compressor 1 is connected to the first The refrigerant inlet of a gas cooler 3, the refrigerant outlet of the first gas cooler 3 is connected to the inlet of the first evaporator 4 through the first pipeline of the regenerator 12, and the outlet of the first evaporator 4 passes through the regenerator The second pip...
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