Sludge supernatant decanting device

Details Sludge supernatant decanting device Sludge supernatant decanting device

1997-01-30

1998-09-01

Drodge, Joseph W.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Discharge of treated material

210123, 137398, B01D 1712, F16K 2118

Patent

active

058007008

ABSTRACT:
A sludge supernatant decanting device for automatically decanting the supernatant from a sludge holding tank. The sludge supernatant decanting device includes a decant column connected to and in fluid communication with a supernatant discharge conduit and disposed within a sludge holding tank having a plurality of spaced-apart apertures. The spaced-apart apertures are opened and sealingly closed by a plurality of float switches hingedly attached to the decant column by sealed ball bearing hinges.

REFERENCES:
patent: 783878 (1905-02-01), Lydon
patent: 2427102 (1947-09-01), Hale
patent: 2455338 (1948-11-01), Lind

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