Sludge dehydrating press and method for treating sludge

Details Sludge dehydrating press and method for treating sludge Sludge dehydrating press and method for treating sludge

1993-08-31

1995-01-03

Gromada, Denise L.

Drying and gas or vapor contact with solids

Apparatus

For diverse operations on treated material

34398, 34400, 210770, 210609, F26B 1900

Patent

active

053774230

ABSTRACT:
A sludge dehydrating press includes a container in which sludge to be treated is filled, a press unit for pressing sludge filled in the container, one or more screen cases disposed at positions in the container where water can be extracted from the sludge in substantially all portions of the sludge pressed by the press unit. Each of the screen cases has a screen surface extending parallel to the direction of pressing by the press unit and has also a space into which water extracted from the sludge flows. By driving the press unit, sludge in the container is compressed and extracted water is caused to flow into the space in the screen cases and is drained to the outside of the dehydrating press.

REFERENCES:
patent: 2331126 (1943-10-01), Loomis
patent: 3230865 (1966-01-01), Hibbel et al.
patent: 3699881 (1972-10-01), Levin et al.
patent: 5160440 (1992-11-01), Merai

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