Apparatus for dewatering sludge

Details Apparatus for dewatering sludge Apparatus for dewatering sludge

1990-04-25

1991-10-22

Dawson, Robert A.

Liquid purification or separation

Filter

Movable medium

210400, B01D 3346

Patent

active

050593226

ABSTRACT:
Apparatus for dewatering sludge comprising a moving foraminous conveyor belt (10) driven in a single direction with a horizontal conveying run (11). Sludge to be dewatered is fed onto the belt at an input end of the conveying run so that liquid may drain from the sludge through the belt. Part way along the belt is disposed at least on ramp (21) having its lower edge in contact with or just above the belt surface to cause sludge to rise up the ramp thus enhancing the dewatering process. A plurality of spaced fingers (26) extend forwardly from the top of the ramp (21) thus leaving strips of the belt (20) free of sludge forwardly of the ramp and fingers.

REFERENCES:
patent: 4354935 (1982-10-01), Austin et al.
patent: 4729836 (1988-03-01), Ickinger et al.
patent: 4731188 (1988-03-01), Johnson et al.

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