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US 6,047,484 AGranted
Method and apparatus for evaporating liquid from a product
OwnerKarin Marie Bolland, Richard Elwood Magooninventors
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Abstract
The present invention provides a method and apparatus to transfer heat between a flowable product, such as a sludge, slurry, extract, juice or other like product, and a heated or chilled liquid, said heat transfer taking place through a thin, infrared transparent film fixed at an incline to permit gravity flow of both product and heated or chilled liquid. Especially even heat distribution within said product results from mixing as said product flows down the inclined plane of the infrared transparent film.
Claims4
An apparatus for evaporating liquid from a product to concentrate, said product comprising:
- a structure;
- a first sheet of infrared transparent, solid material fixedly attached to said structure and at an incline relative to horizontal, such that said product to be concentrated is flowed on a first surface of said first sheet;
- a second sheet of solid material fixedly attached to said structure and held in close contact along two edges of said first sheet;
- a flow of liquid maintained between said first and second sheets, such that said liquid intimately contacts a second surface of said first sheet;
- a means of heating said liquid;
- and
- a means of circulating said heated liquid.
4 more elements
Dependencies are inferred from the claim text.