Comprehensive utilization system for terrestrial heat of underground water-lacked region
A heat pump system and geothermal technology, applied in air conditioning systems, applications, heat pumps, etc., can solve the problems of unstable system operation, failure to achieve stable heating and cooling of the ground source heat pump system, and inability to stabilize refrigeration, etc., to achieve stable heating and cooling effect
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Embodiment 1
[0027] Embodiment 1: as Figure 1 to Figure 5 As shown, the geothermal comprehensive utilization system in the area with poor groundwater provided by the present invention includes: a heat pump system 1 , an outdoor ground source heat exchange system 2 , an indoor air-conditioning terminal system 3 and a solar power generation system 4 . Heat pump system 1 includes: condenser 11, expansion valve 12, evaporator 13, compressor 14, inlet four-way reversing valve 15 and outlet four-way reversing valve 16; compressor 14, evaporator 13, expansion valve 12 and condenser The devices 11 are connected sequentially through pipelines to form a circuit in which the refrigerant or heat medium circulates.
[0028]The outdoor ground source heat exchange system 2 includes: a heat exchanger 21 and a geothermal circulation pump 22; the heat exchanger 21 is a cylindrical copper alloy material with excellent thermal conductivity, and its upper end surface is provided with a heat exchanger inlet 21...
Embodiment 2
[0034] Embodiment 2: as Image 6 As shown, the components included in this embodiment, the structure of each component and the relationship between each component are the same as in Embodiment 1, the difference is that it also includes a cooling tower 24, a cooling tower valve 25, a heat exchanger valve 26 and Pressure balance valve 23.
[0035] The cooling tower 24 and the heat exchanger 21 are connected in parallel through pipelines, and the cooling tower valve 25 is set on the connecting pipeline at the end of the cooling tower 24 near the outlet four-way reversing valve 16, and the connection of the heat exchanger 21 near the outlet four-way reversing valve 16 A heat exchanger valve 26 is arranged on the pipeline, and through the combination of the cooling tower valve 25 and the heat exchanger valve 26, the simultaneous opening of the cooling tower 24 and the heat exchanger 21, or a single opening can be selectively controlled. A pressure balance valve 23 is provided betw...
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