Belt press for dewatering sludge

Details Belt press for dewatering sludge Belt press for dewatering sludge

1997-02-05

1999-03-23

Drodge, Joseph W.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Fluid pressure responsive

100 50, 100152, 100153, 210 94, 210143, 210386, 210400, B01D 1712, B01D 33056

Patent

active

058854452

ABSTRACT:
This invention relates to a belt press for dewatering sludge, such as sewage sludge. The press includes a camera to monitor physical operation of a gravity belt section of the press. A numerical control device uses electromagnetic radiation received from the gravity belt section to control the physical operation of the gravity belt section. An actuator device may be used to control a height of a weir for distribution of the sludge over the gravity belt section, and another actuator device may be used to control positions of ploughs which plough the sludge.

REFERENCES:
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patent: 4495070 (1985-01-01), Pierson
patent: 4587023 (1986-05-01), Srivatska et al.
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patent: 4879033 (1989-11-01), Rich
patent: 5021166 (1991-06-01), Torpey
patent: 5133872 (1992-07-01), Baldwin
patent: 5259952 (1993-11-01), Lee
patent: 5380440 (1995-01-01), Chipps
patent: 5635074 (1997-06-01), Stenstrom et al.

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