Method of emptying the press chambers of a press filter and an a

Details Method of emptying the press chambers of a press filter and an a Method of emptying the press chambers of a press filter and an a

1995-09-22

1998-03-17

Popovics, Robert J.

Liquid purification or separation

Processes

Separating

210225, B01D 2532

Patent

active

057283079

ABSTRACT:
The present invention relates to a method pertaining to press filters of the kind which include a plurality of press plates that can be brought towards and into mutual abutment and pairs of which form therebetween at least one pressure chamber, wherein there is formed in each pressure chamber as the aqueous suspension of solid particles is dewatered a filter cake which upon completion of the dewatering process is released from the chamber by separating the press plates so that the chamber will empty itself of its contents. The method is characterized in that emptying of the pressure chambers is achieved by permitting each press plate to rotate freely and swing about an axis which extends generally horizontally through the plane of the plate, under the influence of the released filter cake. The press filter is constructed so that each press plate is able to pivot in relation to the rails. The pulling devices by means of which the press plates are separated are attached to only one single coupling device on each side of each press plate, this coupling device being placed on or in the immediate vicinity of the runner means, in other words in the proximity of the horizontal rail.

REFERENCES:
patent: 3289844 (1966-12-01), Emele
patent: 4197203 (1980-04-01), Wilms

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