Decanter assembly

Details Decanter assembly Decanter assembly

1991-02-08

1992-04-21

Spear, Frank

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Float

2102211, 2102423, 210525, C02F 140

Patent

active

051064944

ABSTRACT:
A decanter and support assembly includes a pair of mooring arms pivotally attaching the decanter to a wall of a wastewater reactor basin and hingedly attached to a float buoyantly supporting the decanter. The decanter includes a valve for controlling the draw of liquid thereinto and a flexible discharge conduit that is fixedly attached to the decanter. A control line for powering the valve is mounted at the top of the non-detachable mooring arm. The float supports an actuation device which is operably connected to the control line. In a first embodiment of the decanter valve, the valve is oriented generally vertically at the inlet of the flexible conduit. In a second embodiment of the decanter valve, an actuator mechanism moves an exterior valve hood with a sealing flange which seals the discharge conduit against liquid. The valve hood sleeves a generally cylindrical intake manifold that supports the decanter. In a third embodiment of the decanter valve, a driving plug is utilized to seal against the discharge conduit. A fourth embodiment of the decanter valve includes a valve hood or plug that is located within an intake manifold.

REFERENCES:
patent: 1203528 (1916-11-01), Brooks
patent: 3333704 (1967-08-01), McGivern et al.
patent: 3613889 (1971-10-01), Reed
patent: 3666102 (1972-05-01), Blanchard
patent: 3757953 (1973-09-01), Sky-Eagle, Jr.
patent: 4290887 (1981-09-01), Brown et al.
patent: 4431536 (1984-02-01), Thompson
patent: 4648967 (1987-03-01), Calltharp et al.
patent: 4695376 (1987-09-01), Astrom et al.
patent: 4711716 (1987-12-01), Calltharp et al.

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