Efficient direct-expansion solar heat pump and water source heat pump coupled heat supplying system
A technology of solar heat pump and water source heat pump, which is applied in the direction of solar heating system, solar heat storage, solar thermal energy, etc., can solve problems such as instability and intermittent solar resources, and achieve the effect of improving system performance
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[0019] Such as figure 1 As shown, the refrigerant absorbs solar energy through the solar heat collector (9), enters the phase change heat storage device (12), the compressor (13), the hot water storage tank (6), and the electronic expansion valve (8) in sequence to complete a Close the loop, and finally store the solar energy in the hot water storage tank (6). The water body of the low-level cold and heat source is pumped into the automatic decontamination device (2) by the water pump (1), and the dirt is removed; the filtered water enters the heat exchanger (3) to exchange heat with the intermediate water. Driven by the intermediate water circulating pump (5), the intermediate water enters the heat exchanger (3) to extract the heat from the low-level cold and heat source water body, and then is further heated by the hot water storage tank (6), and then enters the water source heat pump unit (14) The evaporator in) releases heat to complete a cycle. The water source heat pump...
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