Method and apparatus for producing power from two-phase geotherm

Details Method and apparatus for producing power from two-phase geotherm Method and apparatus for producing power from two-phase geotherm

1993-05-10

1995-03-28

Husar, Stephen F.

Power plants

Utilizing natural heat

Geothermal

60651, 60671, F03G 700

Patent

active

054005981

ABSTRACT:
Power is generated from a two-phase geothermal fluid containing a substantial amount of non-condensable gases, typically not less than about 3% by extracting a geothermal fluid from the ground under its own pressure, and passing the extracted geothermal fluid through an indirect heat exchange device containing an organic fluid for vaporizing the latter and producing vaporized organic fluid and heat depleted geothermal fluid. The vaporized organic fluid is expanded in a turbine coupled to a generator for producing power and expanded vaporized organic fluid which is condensed to a liquid and returned to the indirect heat exchange device. Finally, the heat depleted geothermal fluid may be returned to the ground via a rejection well.

REFERENCES:
patent: 4102133 (1978-07-01), Anderson
patent: 4358930 (1982-11-01), Pope et al.
patent: 5038567 (1991-08-01), Mortiz
patent: 5190664 (1993-03-01), Gallup et al.

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