Importance

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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.

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First Claim