Liquid purification or separation – With means to add treating material – Directly applied to separator
Patent
1982-11-22
1985-04-23
Fisher, Richard V.
Liquid purification or separation
With means to add treating material
Directly applied to separator
137137, C02F 176
Patent
active
045128871
ABSTRACT:
A chlorine injector for treatment of effluent includes apparatus which provides two separate vacuum forces that supplement each other to create sufficient vacuum force to draw chlorine from a chlorine tank and inject it into a sewage effluent tank for treatment of the effluent therein. The apparatus includes a water chamber positioned above the surface of the effluent, an airlift tube extending from the water chamber having its intake end submerged in the effluent and its discharge end inside of the water chamber at the upper portion thereof, an overflow return pipe extending from the water chamber to return excess effluent to the tank, and the chlorine injection assembly having the double vacuum means comprising a first eductor nozzle leading from the bottom of the water chamber to discharge into a second induction nozzle having a flared intake end, creating a first vacuum at this point by the venturi effect. Chlorine is introduced at this point by an inlet port opening in the side wall of the flared end region of the second nozzle, a chlorine supply hose being connected to the inlet port and leading to the chlorine supply tank. The second nozzle is connected to an injection tube which provides the second vacuum by virtue of a "hanging column of water" achieved by positioning the second nozzle an appropriate distance above the surface of the effluent, such as 40 inches or more.
REFERENCES:
patent: 1845675 (1932-02-01), Martin
patent: 2716509 (1955-08-01), Saul
patent: 3304564 (1967-02-01), Green et al.
patent: 4333833 (1982-06-01), Longley et al.
Ritke Harold A.
Ritke Randal G.
Cohen Sharon T.
Fisher Richard V.
Kettelson Ernest
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