Geothermal power plant and method for using the same

Details Geothermal power plant and method for using the same Geothermal power plant and method for using the same

1997-06-30

1999-02-09

Nguyen, Hoang

Power plants

Utilizing natural heat

Geothermal

60651, 60652, 60664, F03G 700

Patent

active

058679880

ABSTRACT:
Extracted geothermal fluid (which may comprise geothermal liquid or brine) is used to operate a power plant by applying the extracted geothermal fluid to a vaporizer containing pre-heated working fluid for producing vaporized working fluid and from which heat depleted geothermal fluid is extracted. A portion of the heat depleted geothermal fluid is applied to a pre-heater containing liquid working fluid for producing the pre-heated working fluid, and for producing further heat depleted geothermal fluid. The vaporized working fluid is expanded in a turbogenerator for generating power and producing expanded vaporized working fluid; and, the expanded vaporized working fluid produced by the turbogenerator is condensed into liquid working fluid that is pre-heated. The portion of said heat depleted geothermal fluid that is not applied to said pre-heater and the further heat depleted geothermal fluid are separately re-injected into the ground.

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Barnett, P.R. et al., "Approached to Controlling Silica Deposition in Geothermal Production Operations", Proceedings 15th Geothermal Workshop 1993, pp. 107-111.

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