Drum structure for corrugated type rotary filters

Details Drum structure for corrugated type rotary filters Drum structure for corrugated type rotary filters

1992-05-27

1994-05-03

Lithgow, Thomas M.

Liquid purification or separation

Filter

Movable medium

210406, B01D 33067, B01D 33073

Patent

active

053084888

ABSTRACT:
An improved drum structure for a corrugated deck type rotary drum filter is provided that increases filter efficiency by eliminating transverse filtrate flow in the drain channels of the drum. Each drain channel is divided into sub-channels using at least one solid grid. The sub-channels drain into a single bucket associated with the drain channel. A drain slit is provided above each sub-channel in the corrugated material that covers the outer surface of the drum.

REFERENCES:
patent: 3306457 (1967-02-01), Putnam
patent: 3306460 (1967-02-01), Luthi
patent: 3323654 (1967-06-01), Lee
patent: 3363774 (1968-01-01), Luthi
patent: 3409139 (1968-11-01), Jackson
patent: 3680708 (1972-08-01), Luthi
patent: 3837499 (1974-09-01), Luthi
patent: 4581139 (1986-04-01), Kosonen
patent: 4663040 (1987-05-01), Elizondo et al.

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