Circular clarifier including improved skimmer clarifier

Details Circular clarifier including improved skimmer clarifier Circular clarifier including improved skimmer clarifier

1990-06-20

1993-04-06

Silverman, Stanley S.

Liquid purification or separation

Gravitational separator

Mechanical constituent mover

210528, 210531, 210541, B01B 2118

Patent

active

052000796

ABSTRACT:
A circular clarifier includes a skimmer assembly mounted on a rotatable arm of the clarifier. The skimmer assembly includes a parallelogram linkage having a pair of end links pivotably connected between upper and lower intermediate links. The skimmer blade is mounted to one of the end links to skim the liquid containing volume of the clarifier. The parallelogram linkage is mounted to the rotating arm by a support assembly at upper and lower pivot connections. These pivot connections are positioned at central portions of the respective intermediate links such that both of the intermediate links extend outwardly on both sides of the respective pivot connection. Either a counterweight or a floatation element is mounted to the parallelogram linkage to bias the linkage for rotation about the pivot connections to position the skimmer blade in an upper position.

REFERENCES:
patent: 1140051 (1915-05-01), MacNaughton-Jones
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patent: 2611489 (1952-09-01), Scott
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patent: 3338419 (1967-08-01), Smith
patent: 3371788 (1968-03-01), Smith
patent: 3498465 (1970-03-01), Klump et al.
patent: 3627132 (1971-12-01), Kelly
National Hydro Systems Drawing No. D-26-308-b Nov. 1982.
National Hydro Systems Drawing D-32-781 Mar. 1987.
National Hydro Systems Drawing D-26-975 Apr. 1983.
National Hydro Systems Drawing C-32-885 Apr. 1987.
National Hydro Systems Drawing D-26-974 Apr. 1983.

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