Method of producing mechanical energy from geothermal brine

Details Method of producing mechanical energy from geothermal brine Method of producing mechanical energy from geothermal brine

1977-06-30

1979-01-02

Ostrager, Allen M.

Power plants

Utilizing natural heat

Geothermal

60649, 203 11, 203 73, 203DIG16, 203DIG20, F03G 700

Patent

active

041320751

ABSTRACT:
A method for producing mechanical energy from geothermal brine in which a heat transfer fluid (HTF) is heated by direct contact with the hot geothermal brine in cocurrent flow through a series of flash stages which are maintained at successively lower pressures so that the HTF is vaporized in each stage. A working fluid is countercurrently flowed through the series of flash stages in indirect heat exchange with the vapor produced in each stage so that the vapor is condensed in each stage and the working fluid is progressively heated as it passes through the series of flash stages. The heated working fluid is utilized in a heat engine for the production of mechanical energy.

REFERENCES:
patent: 3845627 (1974-11-01), Hutchinson
patent: 3972193 (1976-08-01), Sherwood

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