Rotary drum or disc filter

Details Rotary drum or disc filter Rotary drum or disc filter

1979-06-13

1981-03-10

Granger, Theodore A.

Liquid purification or separation

Filter

Movable medium

210406, 210411, B01D 3308

Patent

active

042552648

ABSTRACT:
In a rotary drum or disc filter having circumferentially distributed cells in constant communication through open outlets with a common vacuum chamber, which may be the interior of the drum, or part of that interior, or a separate chamber rotating together with the filter. In a position of each cell where filter cake is to be blown off, a jet of compressed air or steam is injected into the respective outlet through a nozzle which combines with the outlet to form an ejector pump (jet pump).

REFERENCES:
patent: 1914742 (1933-06-01), Hillier
patent: 2174748 (1939-10-01), Hunter
patent: 2289762 (1942-07-01), Duvall
patent: 3638797 (1972-02-01), Heckman
patent: 3954613 (1976-05-01), Worlidje
patent: 3972817 (1976-08-01), Moe

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