Continuous media filter with monitoring of liquid level in distr

Details Continuous media filter with monitoring of liquid level in distr Continuous media filter with monitoring of liquid level in distr

1991-08-21

1993-04-13

Dawson, Robert A.

Liquid purification or separation

Automatic control

210 86, 210400, 210408, 210401, B01D 3380, B01D 33048

Patent

active

052020177

ABSTRACT:
A continuous media filter consisting of an inclined endless belt in contact with a reservior of contaminated slurry materials with provisions for altering the speed of the belt passing through the filtered material and also the angle of inclination of the belt in response to the volumetric flow of the contaminated material. The flow is determined by monitoring the level of the contaminated liquid in the reservoir with a level sensing device which gives an indication of how fast the liquid is passing through the media belt. As a result of the variables which can be adjusted the filter can be used as a high efficiency filter or a selective filtering means. With proper sizing the filter can be efficiently used in processes with variable flow rates without causing the bottleneck common to other filtering devices.

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