Rotary vacuum filter

Details Rotary vacuum filter Rotary vacuum filter

1982-09-27

1984-04-10

Hart, Charles N.

Liquid purification or separation

Filter

Movable medium

210406, 162335, 162368, B01D 3306

Patent

active

044420013

ABSTRACT:
A rotary filter drum in which the drum is a single cell having a perforated cylindrical wall and solid end walls. A hollow central shaft extends through the drum and its opposite ends extend axially from the end walls. The drum contains a plurality of relatively narrow elongated open-top pans that are equally spaced radially from and angularly about the central shaft. Each pan is defined by a bottom, spaced apart inner and outer sidewalls which extend the full length of the drum and the drum end walls. The pan walls are secured to the ends of the drum. The pans are located so the open tops face the direction of drum rotation and the entire leading edge of the outer sidewall of the pan is secured to the perforated cylindrical wall. A closed conduit connects the bottom portion of each pan to the central shaft which in turn connects to the vacuum source so the filtrate is removed from and vacuum applied to the interior of the drum solely through the central shaft but via the pans and connecting conduits.

REFERENCES:
patent: 9608 (1853-03-01), Bessemer
patent: 1796491 (1931-03-01), Sweetland
patent: 2670849 (1954-03-01), Dunmire
patent: 4083787 (1978-04-01), White

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