Forced air vacuum drying

Details Forced air vacuum drying Forced air vacuum drying

1996-05-10

1998-03-31

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Sheet, web, or strand

34402, F26B 900

Patent

active

057324786

ABSTRACT:
Residual moisture is removed from an article by placing the article in a chamber, supplying heated fresh air to the chamber via one or more air knives, and evacuating the chamber to remove the residual moisture. The air knives entrain ambient air from within the chamber by Coanda effect air flow, thereby circulating a mixture of fresh air and ambient air about the article. The supply of air to the chamber is interrupted while the chamber is being evacuated to reduce the air pressure within the chamber to on kPa to vaporize residual moisture in the article.

REFERENCES:
patent: 3849831 (1974-11-01), Deverter et al.
patent: 4426793 (1984-01-01), Kuboyama
patent: 4922628 (1990-05-01), Hella
patent: 5038494 (1991-08-01), Lundquist et al.
patent: 5120500 (1992-06-01), Eggersdorfer et al.
patent: 5433020 (1995-07-01), Leech, Jr.
patent: 5524363 (1996-06-01), Seidl et al.
"Applications of the Coanda Effect", Scientific American, Jun. 1966, pp. 84-92.

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