Distillation: apparatus – Apparatus – Systems
Patent
1978-01-12
1980-05-27
Bascomb, Jr., Wilbur L.
Distillation: apparatus
Apparatus
Systems
202177, 202234, 202205, 203 2, 203 11, 203 22, 203DIG1, 203 86, 126439, 159 15, C02B 104, B01D 310, F24J 302
Patent
active
042049148
ABSTRACT:
An apparatus and method for removing contaminants from water having solid contaminants dissolved therein. Contaminated water flows across a grid and into a storage tank. The grid utilizes solar energy to heat that water to a predetermined temperature. A heat transfer structure which is dome-shaped and receives water from the storage tank and a preheater means utilizing solar energy heats the water to a further predetermined temperature. An evaporator means receives the heated water and exposes it to a vacuum condition so that the temperature of the water is above the saturation temperature. The water is thus vaporized, and solid contaminants dissolved therein are separated therefrom. The solids are deposited on a plurality of moving belts and are then moved into a solids removal system. The solids removal system comprises a plurality of trap door pairs upon which the solids are deposited and which are sequentially opened so that the vacuum conditions existing in the evaporator are not disturbed. Vapor transferring means removes the water vapor from the evaporator and transfers it to the heat transfer structure wherein it is condensed to form distillate which is free of solid contaminants. Distillate removal means then removes the distillate from the heat transfer structure to collection or usage means.
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patent: 2183956 (1939-12-01), Campbell et al.
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patent: 2965819 (1960-12-01), Rosenbaum
patent: 2975107 (1961-03-01), Friedman
patent: 3168451 (1965-02-01), Gorand
patent: 3249519 (1966-05-01), Cabbage et al.
patent: 3958553 (1976-05-01), Brantley
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