Multi-deck filter

Details Multi-deck filter Multi-deck filter

1992-03-18

1994-05-03

Hruskoci, Peter A.

Liquid purification or separation

Filter

Movable medium

210407, 210387, 210400, 100198, B01D 3300

Patent

active

053084861

ABSTRACT:
A multi-deck filter comprising a plurality of filter plates arranged horizontally one above another which are held in parallel planes by respective frames surrounding them. A filtrate chamber and a sludge chamber are formed in each case alternately between adjacent filter plates and frames. A filter belt, which is moveable stepwise by a transport device, is positioned between two pairs of filter plates. The filter belt is unwound from a supply roll positioned outside of the multi-deck filter and, after removal of the dirt filter cake, collected by the multi-deck filter wound onto a collecting roll. A scraper, which contacts the surface of the filter belt, is positioned transversely and obliquely to the filter belt between multi-deck filter and collecting roll, for scraping off the dirt filter cake from the filter belt. An abutment positioned below the filter belt is associated with the scraper.

REFERENCES:
patent: 636323 (1899-11-01), Davis
patent: 2315252 (1943-03-01), Fraser
patent: 3608734 (1971-09-01), Schneider
patent: 4233157 (1980-11-01), Miller
patent: 4738775 (1988-04-01), Schneider
patent: 4802928 (1989-02-01), Dunlap
patent: 4869834 (1989-09-01), Hudson

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