Filtering system

Details Filtering system Filtering system

1990-01-08

1991-01-15

Nozick, Bernard

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

210298, B01D 2102

Patent

active

049851462

ABSTRACT:
A filtering system includes a filter drum assembly. The system includes a filter tank with a conveyor in the bottom which removes contaminants from liquid in the tank. The filter tank also has supports therein by means of which the filter drum assembly is removably supported in the tank and can be removed as a single assembly. The filter drum assembly includes a filtering drum located in the tank and supported by a suction pipe connected by a separable fitting to a suction pump. A drive shaft is vertically positioned above the drum and is rotatably supported by an end wall of the drum. The shaft drives a wiper arm having a wiper blade in contact with the filtering drum wall and the blade is periodically moved around the drum wall to clean filter cake therefrom. The wiper arm is driven by a one-way clutch, an arm, and a fluid-operated ram which is also supported by the suction pipe. There are no flexible seals between the filtering drum and other components nor any seals between components which move relative to one another. The filter drum assembly can be removed from the tank simply by disconnecting the suction pipe and a supply line for the fluid-operated ram.

REFERENCES:
patent: 4673502 (1987-06-01), Fox

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