Pressure/belt filter, particularly for dewatering fine coal

Details Pressure/belt filter, particularly for dewatering fine coal Pressure/belt filter, particularly for dewatering fine coal

1983-03-11

1984-10-16

Wyse, Thomas G.

Liquid purification or separation

Processes

Separating

210210, 210401, 210409, B01D 3302

Patent

active

044773587

ABSTRACT:
A method and mechanism for dewatering fine coal or the like by a filtering operation including a horizontally disposed cylindrical housing defining a pressure chamber within, an intermittently movable filter belt wrapping support rolls for the belt at each end with the rolls having driving and braking devices, movable sealing devices positioned at openings to the chamber to seal the belt where it extends into and out of the chamber, a support for the belt with means for draining filtrate dewatered from the coal, and means to apply pressure to the chamber above the belt for dewatering the coal and for providing pressure beneath the support for the belt to balance forces within the housing.

REFERENCES:
patent: 3497063 (1970-02-01), Hirs
patent: 3899426 (1975-08-01), Hirs
patent: 4040952 (1977-08-01), Jopp
patent: 4147635 (1979-04-01), Crowe
patent: 4220539 (1980-09-01), Lee

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