Filter press with rotor disks

Details Filter press with rotor disks Filter press with rotor disks

1986-12-18

1988-11-01

Fisher, Richard V.

Liquid purification or separation

Sectional chamber press type

With residue removal or liquid agitation

152565, 1525652, 100198, 100199, 210230, 210231, 210413, B01D 2512, B01D 2538

Patent

active

047818280

ABSTRACT:
The invention provides a novel filter press comprising a filter chamber wall adapted to be axially displaced for exposing a plurality of filter units contained in the filter press. A certain clearance is provided between the substantially circular filter units and the interior wall surface of the housing or casing, the latter being sealed only adjacent its ends in cooperation with respective end walls. The sealing surfaces are disposed at locations away from the areas coming into contact with the filtering residues on evacuation and cleaning of the filter chamber. A particularly advantageous embodiment of a rotor for a filter press of this type is composed of rotor disks each comprising two axially displaceable rigid pressure plates which are prevented from being rotated by a hub disk interposed therebetween and non-rotatably mounted on the rotor shaft. The introduction of a pressure fluid through the rotor shaft into a cavity between the two plates permits the plates to be forced apart to thereby squeeze retained liquid from the filter cakes on the adjacent filter frames (FIG. 3).

REFERENCES:
patent: 2975903 (1961-03-01), Ulrich
patent: 3117083 (1964-01-01), Przhilensky
patent: 4722789 (1988-02-01), Kupka

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