A non-negative pressure geothermal recharge system and recharge method
A non-negative pressure, geothermal technology, applied in geothermal power generation, collectors using groundwater as working fluid, collector components, etc., can solve the problems of clogging the recharge channel, affecting the heating effect, and difficulty in geothermal dynamic monitoring. , to achieve the effect of prolonging life
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[0026] A geothermal recharge method with no negative pressure, comprising the following steps:
[0027] S1: The geothermal tail water enters through the geothermal tail water inlet 5 and then enters the steady flow tank 1 through the inlet of the steady flow tank 1, and the flow rate at the inlet of the steady flow tank 1 measured by the first flowmeter 6 is Q 1 ;
[0028] S2: The geothermal tail water gathers in the lower part of the stabilization tank 1 and refills into the geothermal recharge well 7 through the outlet of the stabilization tank 1, the first electric control valve 10 and the second flow meter 11 in sequence, and passes through the second flow meter 11 The measured flow rate at the outlet of the stabilizing tank 1 is Q 2 ;
[0029] S3; judge Q 1 and Q 2 size; when Q 1 ≠Q 2 , the PLC central controller 15 controls the Q by adjusting the opening degree of the first electric control valve 10 1 =Q 2 , to ensure the stable operation of the system, when Q 1...
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