Liquid purification or separation – Plural distinct separators – Filters
Patent
1985-10-09
1988-03-01
Fisher, Richard V.
Liquid purification or separation
Plural distinct separators
Filters
210345, 210347, 210398, 210486, B01D 2926
Patent
active
047284242
ABSTRACT:
For the separation of a slurry into cake and water, a set of rotary filter discs are mounted on a hollow shaft at constant longitudinal spacings and in positions of registry with one or more rows of bores in the hollow shaft. Each filter disc has a filter cloth or like filter element enveloping a carrier disc, so that the water that has passed the filter cloth flow into the bores in the hollow shaft through a gap between the carrier disc and the hollow shaft. Arranged alternately with the filter discs are baffle plates which also are each enveloped by a filter cloth for the separation of water from the slurry. Each filter disc has one or more flow accelerating members mounted astride the peripheral edge thereof. The flow accelerating members create cavities in the slurry with the rotation of the filter discs, thus facilitating the flow of the slurry between filter discs and baffle plates.
REFERENCES:
patent: 2038921 (1936-04-01), Blaufuss
patent: 2651416 (1953-09-01), Van Der Mark et al.
patent: 3157598 (1964-11-01), Rebiscoul
patent: 3583567 (1971-06-01), Maestrelli
patent: 3846308 (1974-11-01), Ahlquist
patent: 3989629 (1976-11-01), Donovan
patent: 4224153 (1980-09-01), Muller
patent: 4592838 (1986-06-01), Christopher et al.
Fisher Richard V.
International Metal Finishing, Inc.
Millard Wanda L.
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