Power plants – Utilizing natural heat – Geothermal
Patent
1976-11-05
1977-11-29
Ostrager, Allen M.
Power plants
Utilizing natural heat
Geothermal
60690, F03G 700
Patent
active
040599590
ABSTRACT:
The improved geothermal energy extraction system abstracts thermal energy stored in hot solute-bearing well water to generate a super-heated fluid from an injected flow of a working fluid; the super-heated fluid is then used to operate a turbine-driven pump at the well bottom for pumping the hot geothermal brine in liquid state toward the earth's surface. After energy for the generation of electrical power is extracted from the brine, a consequently cooled portion of the brine is then used at the earth's surface in a combination unitary cooling tower and working organic fluid condensing system. The invention combines the cooling tower and condenser functions in an integrated unit, the outer surfaces of the condenser tubes being exposed to a cascading flow of cooling brine while the brine is itself being cooled. The condenser tubes are arranged geometrically so that a cleaning device may continuously or upon command travel along the condenser tubes, cleaning their outer surfaces of scale accumulations deposited by the depressurized brine.
REFERENCES:
patent: 3898020 (1975-08-01), Matthews
patent: 3951794 (1976-04-01), Swearingen
Ostrager Allen M.
Sperry Rand Corporation
Terry Howard P.
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