Filtration apparatus

Details Filtration apparatus Filtration apparatus

1990-07-11

1992-07-14

Jones, W. Gary

Liquid purification or separation

Filter

Movable medium

21049701, B01D 3500

Patent

active

051300214

ABSTRACT:
Batch filtration is carried out within a rockable/rotatable housing, suspension to be filtered being fed in via ports in the upper region onto a curved filter fixed within the housing, and filtrate draining from below, via outlets to which vacuum may be applied. The housing is preferably cylindrical and may be mounted upon rollers or wheels so that rocking or rotating can be effected by belts or chains attached between the housing and a linearly reciprocable member, or by a rotary gear or friction drive wheel acting on the housing circumference, or by rack and pinion means, or a variety of other means. Washing of filter cake, reslurrying, drying by hot gases, and pressurization can all take place "in situ" whilst rocking continues, and discharge of cake is effected via the same ports as for inlet by turning the housing over.

REFERENCES:
patent: 653631 (1900-07-01), Wallace
patent: 891048 (1908-06-01), Donovan
patent: 1017518 (1912-02-01), Edgerton
patent: 1110790 (1914-09-01), Isherwood
patent: 1215565 (1917-02-01), Malm
patent: 4049386 (1977-09-01), Gillain

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