Device for dewatering sludge and other material containing water

Details Device for dewatering sludge and other material containing water Device for dewatering sludge and other material containing water

1977-03-17

1979-03-06

Feldman, Peter

Presses

With drain means for expressed liquid

Drainage through or along pressure surface

100153, 210386, B30B 924

Patent

active

041424611

ABSTRACT:
There is disclosed a device for dewatering sludge, sewage and other materials containing water and solid particles. The device comprises at least two rotatable and two superimposed power driven filter bands which are successively guided to and about the perforated cylindrical walls of the drums in pressure engagement therewith so as to drive the drums in opposite direction and causing release of water from sludge fed between the two filter bands. After leaving the last drum the bands are guided by rolls along a meandering path along which the sludge is repeatedly stretched and pressed to cause further release of water from the sludge and to discharge the now dewaterized sludge at the end of the path.

REFERENCES:
patent: 2365658 (1944-12-01), Schumacher
patent: 3446139 (1969-05-01), Coffelt
patent: 3894486 (1975-07-01), Sparowitz et al.
patent: 3951809 (1976-04-01), Kollmar

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