Membrane filter plate

Details Membrane filter plate Membrane filter plate

1985-01-31

1986-08-26

Sever, Frank

Liquid purification or separation

Sectional chamber press type

Plates or frames

210232, 210541, B01D 2512

Patent

active

046081640

ABSTRACT:
A membrane filter press comprises a plurality of one piece plastic base plates having on opposite sides recesses each bounded by a lower inner peripheral portion surrounded by a higher outer peripheral portion. In the lower inner peripheral portion of the base plate there is a circumferential groove. On each side of the base plate there is a membrane of elastomeric material. The membrane is planar in unstressed condition and has a marginal portion seated on the lower inner peripheral portion of the base plate. A rib on the membrane is received in the circumferential groove of the base plate. An inlet for a suspension to be filtered provides inlet passages into spaces between filter cloths of adjacent filter units. At a position for filtrate outlet, passages in the membrane and the base plate connect with a filtrate outlet opening. Passages are provided in the base plate for introducing compressed air between the base plate and the membrane to compress the filtered-out solids into a filter cake at the end of a filtering cycle.

REFERENCES:
patent: 3497065 (1970-02-01), Johnson
patent: 4508623 (1985-04-01), Heckl et al.

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