Distillation: apparatus – Apparatus – Systems
Patent
1990-10-12
1991-10-01
Bascomb, Jr., Wilbur
Distillation: apparatus
Apparatus
Systems
202177, 202181, 202206, 202234, 202266, 2022671, 159903, 203 1, 203 2, 203 10, 203 47, 203 86, 203 98, 203DIG1, 203DIG20, 203DIG22, 203DIG25, B01D 302, C02F 114
Patent
active
050531107
ABSTRACT:
The disclosure relates to a solar-operated apparatus to purify and/or desalinate water. Several embodiments are disclosed, each of which substantially derives its source of heat from solar energy. The apparatus includes a unique design of the evaporating collector dome which is provided with a smooth interior surface to permit collection of increased amounts of distillate. The apparatus exterior is provided with a black surface to serve as a black body and so absorb increased amounts of the sun's energy. Additionally, that same exterior is coated with a film of infra-red absorbing material (STET) to further increase solar-energy absorption. To further improve the system's efficiency, various external tubing designs are utilized to preheat the load prior to its entry into the evaporating chamber. The distillate-collecting vessel is a downwardly-extending dome. This increases the volume while at the same time reducing re-evaporation by minimizing the exposed surface area. Additionally, locating the apparatus on the side of a hill or other elevated topography, permits a further increase in overall system-efficiency by using gravity to force the distillate through a turbine/generator for co-generation of electricity. The co-generation of electricity which further increases the overall system efficiency.
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Bascomb, Jr. Wilbur
Husar Cornelius J.
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