Vertical filtering device

Details Vertical filtering device Vertical filtering device

1980-06-18

1981-09-29

Hart, Charles N.

Liquid purification or separation

With time control

210225, 210231, 210400, B01D 2534, B01D 2512

Patent

active

042921732

ABSTRACT:
This invention relates to a vertical filtering device comprising a framework containing a plurality of horizontal superimposed filtering units, movable means for supporting the filtering units, the latter comprising each a movable frame with an inlet for the slurry to be filtered, a movable plate for the filtrate and an endless movable filtration band supported by two side rollers and extending between said frame and said plate, said supporting means being arranged so as to keep the filtering units stacked against each other during the filtering operation and so as to allow the parts of the filtering units to become spaced apart from each other when the filtration cakes have to be discharged.
According to this invention, the individual parts of the filtering units are independent from each other and the rollers of each filtering unit remain coaxial to the corresponding plate, whereas the filtering device comprises also (1) means for independently guiding the parts of the filtering units so as to maintain them permanently coaxial and (2) driving means for moving simultaneously, in the same direction, the endless filtering band of each of the filtering units. The independent side rollers of each filtration unit are carried by a shaft, the ends of which are inserted in movable bearings slidably guided in vertical guiding posts.

REFERENCES:
patent: 3073330 (1963-01-01), Fattor
patent: 3121681 (1964-02-01), Baxter
patent: 3342123 (1967-09-01), Ermakov et al.
patent: 3360130 (1967-12-01), Kaga
patent: 3583566 (1971-06-01), Meshengisser et al.
patent: 3695440 (1972-10-01), Mori
patent: 3760945 (1973-09-01), Davis
patent: 3968040 (1976-07-01), Ostrop
patent: 4065390 (1977-12-01), Schneider et al.
patent: 4155830 (1979-05-01), Sukhobrusov et al.

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