Sealed sedimentation device

Details Sealed sedimentation device Sealed sedimentation device

1975-03-06

1977-05-10

Spear, Jr., Frank A.

Liquid purification or separation

Gravitational separator

Mechanical constituent mover

48176, 220217, B01D 2114

Patent

active

040226972

ABSTRACT:
An apparatus for separating solids from liquids by sedimentation includes a covered tank in which a sediment-engaging raking structure is journaled for rotation about a central support pier. The raking structure is driven by a unit which travels about the periphery of the tank outside the enclosure. A gas-tight seal is effected between the tank, the cover and the drive unit by the combination of an annular liquid-holding launder which is fixedly supported to surround the interior of the tank, a rigid U-shaped member which connects the drive unit to the raking structure with its lower portion submerged in the liquid held in the launder, and a continuous baffle-like wall extending from the tank cover downwardly into the space bounded by the submerged portion of the U-shaped member.

REFERENCES:
patent: 2132837 (1938-10-01), Talbot
patent: 2546572 (1951-03-01), Wiggins
patent: 2566988 (1951-09-01), Kolb
patent: 2627978 (1953-02-01), Curtis

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