Apparatus for thickening and extracting the liquid from a sludge

Details Apparatus for thickening and extracting the liquid from a sludge Apparatus for thickening and extracting the liquid from a sludge

1976-07-19

1977-12-13

Wyse, Thomas G.

Liquid purification or separation

Filter

Movable medium

210393, 210401, B01D 3304

Patent

active

040627799

ABSTRACT:
An apparatus for thickening and extracting the liquid from a sludge comprises a sludge-thickening assembly wherein solid matters in the sludge are coagulated to form coagulated flocs and the floc sludge is separated and thickened, and an assembly for extracting liquid from said floc sludge under pressure to obtain a dehydrated cake. The sludge-thickening assembly comprises coagulation means for the sludge, a first and a second screen rolls having a reticulate material covering the outer surface; and the assembly for extracting the liquid comprises an endless moving flocked filter belt, means for supporting the belt, a cylinder forced to closely contact with an upper portion of said endless moving flocked filter belt, and at least one press roll urging said endless moving flocked filter belt against said cylinder.

REFERENCES:
patent: 2460280 (1949-02-01), Finney
patent: 3441951 (1969-04-01), Lee
patent: 3531404 (1970-09-01), Goodman et al.
patent: 3815341 (1974-06-01), Hamano
patent: 3897341 (1975-07-01), Ozawa

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