Heat storage type geothermal energy full-well-section dry well heat collection system and application
A technology of geothermal energy and the whole well section, applied in the direction of geothermal energy, geothermal energy power generation, application, etc., can solve the problems of heat loss and low outlet water temperature, achieve the effect of reducing quantity, reducing initial investment, and highlighting economic advantages
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[0031] In the heat storage condition in summer, the opening and closing conditions of the water pumps and valves are as follows: the middle water injection pump is 2 open, the outer water outlet valve is 15 open, the outer water pump is 16 open, and the other water pumps and valves are closed. The working process is as follows: , the hot water in the heat pump unit 1 enters the middle channel 7 through the middle water injection pump 2, and directly enters the outer channel 6 under the action of the outer pump 16, and will not continue to enter the high temperature section 9 of the geothermal well downward for heat exchange. In channel 6, the hot water exchanges heat with the low-temperature section 10 of the geothermal well, and transfers the heat in the hot water to the rock formation in the low-temperature section 10 through heat conduction, realizing the heat storage process in summer, and the water after heat exchange is pumped through the outer layer. The water pump 16 en...
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