Method of and apparatus for producing power from solar ponds

Power plants – Utilizing natural heat – Solar

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Details

60688, 60689, F03G 702, F01K 900

Patent

active

048949930

ABSTRACT:
Power is produced by a power plant using a salt-water solar pond comprising an upper wind-mixed layer, a halocline and a lower convective heat storage layer. The power plant includes a heat engine for utilizing heat present in the heat storage layer of the solar pond and a condenser, which preferably is cooled by liquid droplets. In accordance with a specific embodiment of the invention the power plant is positioned within the solar pond and a flash evaporator is used in the heat engine to produce steam which is supplied to a turbine connected to a generator, the heat depleted steam exiting from the turbine and being cooled by liquid droplets in a direct-contact condenser. The size of the droplets is selected such that the heat extracted in the condenser penetrates the majority of the liquid content of most of the droplets.

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patent: 3409782 (1968-11-01), Bronicki
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patent: 4440148 (1984-04-01), Assaf
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patent: 4541244 (1985-09-01), Assaf
patent: 4571947 (1986-02-01), Bronicki
patent: 4622949 (1986-11-01), Yahalom

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