Rotary disc filter with peripheral cake supports

Details Rotary disc filter with peripheral cake supports Rotary disc filter with peripheral cake supports

1985-05-03

1987-03-10

Fisher, Richard V.

Liquid purification or separation

Plural distinct separators

Filters

210331, 210332, 210386, 210486, B01D 3326, B01D 3336

Patent

active

046489703

ABSTRACT:
A rotary filter, formed by a number of annular filter discs (1), mounted substantially parallel on a driving shaft, for the uptake and dewatering of fiber suspension from a container, fiber cakes (5) being formed, adhering to the outer sides of the filter discs (1), is provided with spraying nozzles (3), arranged in a removal zone for removal of said fiber cake (5). The invention consists of supporting elements (4) provided in the removal zone for supporting the fiber cake (5) in its upper loosened part and to prevent it from folding out from the filter disc (1) during the removal process.

REFERENCES:
patent: 1804934 (1931-05-01), Hoyt
patent: 2022069 (1935-11-01), Whitmore
patent: 2731157 (1956-01-01), Purmort
patent: 2772000 (1956-11-01), Hunziker
patent: 3322277 (1967-05-01), Pearson, Jr. et al.
patent: 3777891 (1973-12-01), Stengelin
patent: 4056473 (1977-11-01), Nilsson
patent: 4220537 (1980-09-01), Takahashi et al.
patent: 4305820 (1981-12-01), Stahl et al.

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