| 摘要 |
PROBLEM TO BE SOLVED: To provide a binary type geothermal power generation device using water instead of low boiling point medium. SOLUTION: This geothermal power generation device is provided with an evaporator 11 heating and vaporizing supplied water by steam and/or hot water from a heat source well 1 and returning the steam and/or hot water to a return well 2, a steam turbine 3 receiving steam generated by the evaporator 11, a generator 4 driven by the stream turbine 3, and a direct contact type condenser 5 or an air cooled condenser cooled by a fan receiving steam discharged from the steam turbine 3 and condensing the same. Condensed water from the condenser 5 is supplied to the evaporator 11 as the supplied water. The geothermal power generation device is preferably provided with an air extracting device 8 for extracting air from discharged water of the condenser 5.
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