Filter plate for filter press

Details Filter plate for filter press Filter plate for filter press

1974-12-10

1976-05-18

Granger, Theodore A.

Liquid purification or separation

Sectional chamber press type

Plates or frames

B01D 2512

Patent

active

039576450

ABSTRACT:
A filter plate assembly in which a filter wall has a large number of small pyramidal projections on its opposite surfaces, a peripheral frame portion supporting the outer periphery of the filter wall and formed with a prefilt passage and a filtrate passage extending therethrough, and a filter medium supported by the peripheral frame portion and covering the opposite surfaces of the filter wall. The peripheral frame portion has a rigid frame and elastic frames sandwiching the rigid frame and joined thereto. Each of the elastic frames is provided, in its surface, with an open groove to form a prefilt inlet port through which the prefilt passage communicates with a prefilt chamber defined by the filter plate and another filter plate to be fitted therewith, whereby clogging of the prefilt inlet port is eliminated.

REFERENCES:
patent: 1349238 (1920-08-01), Sweepland
patent: 2989187 (1961-06-01), Demeper
patent: 3543938 (1970-12-01), Busse et al.
patent: 3656622 (1972-04-01), Helmbach
patent: 3669267 (1972-06-01), Hutton
patent: 3807567 (1974-04-01), Iwatami

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