Liquid purification or separation – Filter – Movable medium
Patent
1986-05-05
1987-11-24
Fisher, Richard V.
Liquid purification or separation
Filter
Movable medium
210400, B01D 2902, B01D 3304
Patent
active
047087986
ABSTRACT:
An endless filter belt is guided and supported by rollers or non-rotatable guide bars so as to have an upper run which extends above a substantially horizontal drainage plate to which a vacuum may be applied to draw liquid downwards therethrough. The upper run of the belt is shaped by movable guide means, e.g. pivotal arms which raise and lower the respective ends of the upper run and elements which depress a central region of the upper run into contact with the drainage plate, so as to form a receptacle into which a batch of material to be filtered can be placed. After filtration, when vacuum is no longer applied to the plate, the belt is progressed and any filter cake is removed at another location, a fresh section of belt then being available to form another receptacle.
REFERENCES:
patent: 4477358 (1984-10-01), Heintges et al.
D and C Ltd.
Evans Linda S.
Fisher Richard V.
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