Pressure filter for liquids

Details Pressure filter for liquids Pressure filter for liquids

1993-03-15

1994-11-08

Spear, Frank

Liquid purification or separation

Plural distinct separators

Filters

210331, 210346, 210404, 210486, 55430, 55432, B01D 3325

Patent

active

053623932

ABSTRACT:
A pressure filter includes a pressure vessel having a pressure chamber and a circumferential edge; a turntable rotatably mounted within the pressure vessel about a horizontal axis; a plurality of filters non-rotatably mounted to the turntable and spaced apart from each other at the circumferential edge of the pressure vessel and rotatable around the horizontal axis through a center of the pressure vessel such that the plurality of the filters continuously dip into and out of a solid solution in a bottom of the pressure chamber. A blow-off station is positioned above the solid suspension in the pressure chamber for freeing filter cake that has dried on the plurality of filters. A filter cake conveyor conveys the blown-off filter cake through a pressure lock in the pressure vessel. Each filter forms a filter element having a filter surface which is defined by cross-section sides extending along a radius of the pressure vessel adjacent to the circumferential edge, and long sides extending parallel to the horizontal axis of pressure vessel.

REFERENCES:
patent: 4251376 (1981-02-01), Badino
patent: 4293411 (1981-09-01), Davis
patent: 4889623 (1989-12-01), Nilsson

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