Membrane plate for chamber filter presses

Details Membrane plate for chamber filter presses Membrane plate for chamber filter presses

1984-05-11

1987-05-19

Fisher, Richard V.

Liquid purification or separation

Sectional chamber press type

Medium clamped in joint

100194, 210231, B01D 2512

Patent

active

046665960

ABSTRACT:
A membrane plate for a chamber filter press over which a filter cloth may be stretched on both sides thereof. The membrane plate includes an exchangeable substantially planar membrane member which is loosely enclosed between a bracket plate and a frame and is adapted to be clamped tightly between the bracket plate and the frame only by the closing pressure of the chamber filter press. The bracket plate and the frame, when the filter press is open, are adapted to be moved apart from one another along slide bearing pieces by a distance of 1 to 3 mm until the movement is limited by a stop. By enabling a relative movement when the filter press is open, the membrane is vented during times of stoppage of the open filter press or during ejection of a filter cake or a washing of the filter cloths so as to enable the membrane to readily readjust.

REFERENCES:
patent: 270807 (1883-01-01), Johnson
patent: 2122259 (1938-06-01), McKenna
patent: 2715965 (1955-08-01), Carver
patent: 3543938 (1969-04-01), Busse et al.
patent: 3888769 (1975-06-01), Schotten et al.
patent: 3968039 (1976-07-01), Inujima et al.
patent: 4235721 (1980-11-01), Nakamura et al.

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