Sewage settling tank

Details Sewage settling tank Sewage settling tank

1976-03-15

1976-12-14

Adee, John

Liquid purification or separation

With movable support

Float

210322, 210521, 210523, B01D 2124

Patent

active

039974448

ABSTRACT:
A sewage settling tank is provided with two or more banks of tube settlers to improve the settling rate. The tube settlers are spaced above the bottom of the settling tank and upstanding from about the periphery of each bank is a baffle member which defines a clear water zone directly above each bank. The baffle is provided with an opening which extends below the water level to permit the carriage of a floating siphon system to pass into the clear water zone, the inlet of the siphon extending down to the bottom of the settling tank in order to remove the sludge immediately beneath each bank of tube settlers. The opening in the baffle is provided with an air gate to permit the passage of the floating carriage through the opening while preventing the untreated water from flowing through the opening into the clear water zone.

REFERENCES:
patent: 3333704 (1967-08-01), McGivern et al.
patent: 3491023 (1970-01-01), McCormick
patent: 3640387 (1972-02-01), Conley et al.
patent: 3768648 (1973-10-01), Anderson et al.

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