Method and apparatus for drying products with a closed gas strea

Details Method and apparatus for drying products with a closed gas strea Method and apparatus for drying products with a closed gas strea

1979-12-07

1981-12-29

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 32, 34 80, 34202, 34223, 55221, 261112, F26B 304

Patent

active

043075193

ABSTRACT:
A method of and apparatus for drying products with a gas stream passing the product to extract moisture therefrom and a contacting device producing at least one desiccant liquid layer in the vicinity of the product to be dried, which liquid layer removes moisture from the gas. The gas stream is bubbled through a substantially horizontal liquid layer or can pass between liquid film conducting elements. The desiccant liquid is continuously regenerated. By means of several partial gas streams and a contacting device having more separated liquid film modules, a counter-current type of drying is possible. The product to be dried can be heated to a predetermined temperature by the desiccant liquid through the drying gas stream.

REFERENCES:
patent: 2952297 (1960-09-01), Hollis
patent: 3257737 (1966-06-01), Margittai
patent: 3257738 (1966-06-01), Margittai
patent: 3738016 (1973-06-01), Margittai
patent: 3857911 (1974-12-01), Szucs et al.
patent: 3940860 (1976-03-01), Unterreiner
patent: 4009229 (1977-02-01), Szucs et al.
patent: 4189848 (1980-02-01), Ko et al.
Prospectus "Kathabar Lufttrocknung", pp. 1-11.
"Analysis & Development of Regenerated Dessiccant Systems for Industrial & Agricultural Drying", Dec. 1977, U.S. Dept. of Energy.

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