Liquid purification or separation – Flow – fluid pressure or material level – responsive – Discharge of treated material
Patent
1983-03-07
1984-08-07
Castel, Benoit
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Discharge of treated material
210147, 210413, 210414, B01D 2106
Patent
active
044642539
ABSTRACT:
Disclosed is a continuous filter comprising a chamber provided with a cylindrical upper portion and a conical lower portion and having at its upper end portion a feed opening for a slurry to be filtered and at its lower end portion a discharge opening for the filtration cake, a porous support disposed inwardly of, and spaced from, the side wall of the chamber, a filter medium provided on the porous support, an outer annular filtrate-collecting space and an inner, slurry- and cake-holding space defined by the porous support, an agitation shaft extending from the slurry feeding end portion to the cake discharge end portion through said slurry- and cake-holding space, and a spiral or vane-like blade on the agitating shaft for shaving the cake on the filter medium and moving it to the discharge end portion of the chamber.
REFERENCES:
patent: 2181404 (1939-11-01), Koppitz et al.
patent: 3695173 (1972-10-01), Cox
patent: 3902962 (1975-09-01), Reinhall
patent: 3943033 (1976-03-01), Wallen
patent: 4085050 (1978-04-01), Gervasi
Castel Benoit
Kuri Chemical Engineers Incorporated
Millard Wanda L.
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