Heat pump system utilizing solar energy-air energy
An air energy heat pump and solar heat collection technology, applied in the field of heat pumps, can solve problems such as low efficiency, low unit efficiency, low refrigeration temperature, etc., and achieve the effects of broad application prospects, high energy utilization rate, and stable and reliable operation
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[0015] Such as figure 1 As shown, the embodiment of the all-weather solar energy combined heat pump system of the present invention includes three units: a solar heat collection unit, a solar absorption heat pump unit, and a compression heat pump unit. The arrow in the figure shows the direction of the fluid flow. In this embodiment, the working fluid solution used in the solar absorption heat pump unit is a lithium bromide aqueous solution or an aqueous ammonia solution, and the refrigerant working fluid of the compression heat pump unit is an HFC refrigerant or an HC refrigerant.
[0016] The solar heat collection unit includes a solar heat collector 1, a first circulating pump 18, a third control valve 19c, and a fourth control valve 19d. The hot water outlet is divided into two branches by a third control valve 19c and a fourth control valve. 19d control. The solar absorption heat pump unit includes a generator 2, a water-cooled condenser 3, a first throttling component 5, ...
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