Filter press with cake removing device

Details Filter press with cake removing device Filter press with cake removing device

1991-06-21

1992-12-01

Theisen, Mary Lynn

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Filter cleaning

210225, 100198, B01D 2534

Patent

active

051678012

ABSTRACT:
A filter press is provided with filter plates supported vertically in a horizontal row in a frame structure and with filter cloth disposed between the filter plates for treating slurries introduced between the filter plates. The filter press includes bars supported at a height above the filter plates to support the filter cloth, shafts disposed orthogonally under the bars, cylinders to move the shafts toward and away from the bars, and vibrators mounted on the shafts to vibrate the shafts. The shafts are moved to come into contact with the bars, and the vibrators are actuated to make the bars vibrate to drop cake remaining on the filter cloth when the filter plates are opened. The filter press further includes photoemissive and photoreceptive devices for detecting deflection and sinking of the bars due to weight of the cake on the filter cloth, and wash pipes for washing down the filter plates and filter cloth.

REFERENCES:
patent: 3578170 (1971-05-01), Kurita

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