Power plants – Utilizing natural heat – Geothermal
Patent
1984-07-30
1985-07-23
Husar, Stephen F.
Power plants
Utilizing natural heat
Geothermal
606412, F03G 704
Patent
active
045302111
ABSTRACT:
A two-phase hydrothermal flow, e.g. from a geothermal source, is separated and provides raw steam and hot water fluids at a temperature and pressure for production of powder from thermal energy contained both in the steam and hot water phases. The separated steam phase, containing noncondensable gases and/or scaling materials which may be detrimental to the operation of a prime mover, transfers thermal energy by condensation in a boiler to a supply of clean water which is vaporized to produce clean steam for use in the prime mover. The separated hot water phase is processed in a heat conversion system which extracts sensible heat and produces from a portion thereof auxiliary steam at least at the vapor pressure of said clean steam. Both said auxiliary steam and said clean steam may be utilized together in a prime mover and condenser system for production of power. Where a hydrothermal flow contains noxious gases which contaminate the separated steam phase, after condensation of this steam such gases may be removed or dissolved in the cooled condensate and/or separated hot water phase and reinjected underground to avoid environmental pollution.
REFERENCES:
patent: 3893299 (1975-07-01), Hutchinson et al.
patent: 4057964 (1977-11-01), Hutchinson
patent: 4152898 (1979-05-01), Awerbuch
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