Geothermal heat recovery device and geothermal heat recovery device operating method
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United States of America Patent
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Oct 6, 2020
Grant Date -
Aug 1, 2019
app pub date -
Jan 25, 2017
filing date -
Feb 19, 2016
priority date (Note) -
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Abstract
A geothermal heat recovery device includes a circulation flow path provided with a circulation pump, a heat medium pressurized by the circulation pump circulating through the circulation flow path in a hot liquid state; a heat exchanger installed underground and configured to heat the heat medium flowing through the circulation flow path with underground heat; a binary electricity generation device configured to recover, as electrical energy, thermal energy from the heat medium heated in the heat exchanger; a bypass path connected to the circulation flow path; and an adjustment mechanism configured to adjust a flow division ratio between a flow rate of the heat medium flowing into the heat exchanger and a flow rate of the heat medium bypassing the heat exchanger through the bypass path.
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