Disc filter for liquids

Details Disc filter for liquids Disc filter for liquids

1982-02-01

1984-02-07

Hruskoci, Peter A.

Liquid purification or separation

Processes

Separating

210351, 210352, 210356, 210411, 210453, 210488, B01D 2518, B01D 2938

Patent

active

044302320

ABSTRACT:
A disc filter of the counter-current flow cleaning type in which the filtering body has a general cylindrical annular shape with a central cylindrical flow channel extending axially along the length of said filter body. It has annular solid filter elements spaced from each other in uniform sequence by resiliently deformable but incompressible spacer elements which allows the thickness of the slot existing between the adjacent filtration elements to be varied as a function of the axial pressure exerted on the filtering body by a support part. This variation occurs between a small thickness corresponding to the desired degree of filtration, and a maximum thickness provided to allow the cleaning of the filter by the passage in counter-current of a cleaning liquid through the thus enlarged slots. The filter elements have, in cross-section, a hydrodynamic, lenticular section, leaving between each other, a converging passage where solid materials are retained.

REFERENCES:
patent: 1643299 (1927-09-01), Furness
patent: 3179116 (1965-04-01), Jacobs
patent: 3622003 (1971-11-01), Czech
patent: 3937281 (1976-02-01), Harnsberger
patent: 4123356 (1978-10-01), Sugimoto et al.

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