Device for extraction of liquid from suspensions in movement

Details Device for extraction of liquid from suspensions in movement Device for extraction of liquid from suspensions in movement

1980-12-31

1983-08-02

Spear, Jr., Frank A.

Liquid purification or separation

Diverse distinct separators

Including a filter

21033301, B01D 3300

Patent

active

043965091

ABSTRACT:
A screen assembly is provided for the dewatering of flowing suspensions. A screen body having a perforated wall has a first slide bearing mounted at a first end thereof, and a second slide bearing mounted to a second end thereof. The screen body is mounted in a generally cylindrical container through which suspension to be dewatered flows in a first direction, and the screen slide bearings engage first and second bearing surfaces mounted interiorly of the container. The bearing surfaces have different effective cross-sectional areas. The screen between the first and second ends thereof and the bearing surfaces define a screen cavity volume, and a rod attached to a linear actuator moves the screen in the first direction, and in a second direction opposite the first direction, so that the cavity volume changes during movement of the screen. The screen and bearings may have any desired configuration or cross-sectional area.

REFERENCES:
patent: 3347386 (1967-10-01), Kraissl, Jr.
patent: 3530993 (1970-09-01), Fulton
patent: 4041560 (1977-08-01), Jacobsen

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