Liquid purification or separation – Sectional chamber press type – Medium clamped in joint
Patent
1994-09-30
1996-04-23
Spear, Frank
Liquid purification or separation
Sectional chamber press type
Medium clamped in joint
210231, 210387, B01D 3700
Patent
active
055100252
ABSTRACT:
A filter apparatus and method is disclosed for separating solid materials from liquid materials in a slurry fluid. The apparatus includes separable plate members (12, 14) that are pressed against each other to form a filter chamber (10) . The plates have mating surfaces (34, 54) and hollow interior portions that create the chamber. A filter medium (28) is placed between the mating surfaces before the plates are closed. The apparatus includes means for forcing wash fluids, liquids or gasses through the slurry to force the fluids from the slurry and to produce a dry filter cake of the solids. After the filtration has been completed, the plates are separated leaving the filter cake on the filter medium and the filter medium is advanced out of the filter chamber moving a clean filter medium between the open filter plates. Another filter operation them proceeds. The filter medium is cleaned outside of the filter apparatus and can be prepared for reuse. The filter apparatus may include stacked multiple filtration chambers with operating mechanism (100) for accomplishing the simultaneous opening of each chamber.
REFERENCES:
patent: 3497063 (1970-02-01), Hirs
patent: 4233157 (1980-11-01), Miller
patent: 4267060 (1981-05-01), Miller
patent: 4481108 (1984-11-01), Bratten
patent: 4664813 (1987-05-01), Schneider
patent: 5059318 (1991-10-01), Benesi
patent: 5128029 (1992-07-01), Herrmann
patent: 5133884 (1992-07-01), Carlsson
patent: 5292434 (1994-03-01), Benesi
Spear Frank
Wasson George W.
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