Apparatus for dewatering sludge and similar substances

Details Apparatus for dewatering sludge and similar substances Apparatus for dewatering sludge and similar substances

1987-10-21

1990-03-06

Jones, W. Gary

Liquid purification or separation

Diverse distinct separators

Including a filter

100118, 100152, 210386, 210401, B01D 3304

Patent

active

049063693

ABSTRACT:
In an apparatus for dewatering sludge the sludge to be dewatered is continuously fed to a pre-dewatering stage and is subsequently transferred to an enclosed sludge chamber volume, which is intermittently moved past stationary pairs of pressure-applying plates. The pre-dewatering stage is consituted by a stationary dewatering container which serves also as a buffer between the means for the continuous fooding of sludge and the means for a discontinuous and intermittent transfer of the sludge to the sludge chamber volume. Owing to that design the plant has a low structural expenditure and is operable at a high dewatering rate.

REFERENCES:
patent: Re22200 (1942-10-01), Richardson
patent: 3784018 (1974-01-01), Hope et al.
patent: 3821928 (1974-07-01), Sugita
patent: 3896030 (1975-07-01), Bahr
patent: 4093552 (1978-06-01), Guyer
patent: 4145288 (1979-03-01), Crowe
patent: 4158627 (1979-06-01), Ingemarsson
patent: 4159947 (1979-07-01), Brooks et al.
patent: 4181616 (1980-01-01), Bahr
patent: 4459907 (1984-07-01), Sundeman
patent: 4563278 (1986-01-01), Mutzenberg et al.

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