Apparatus for circulating and/or aerating a liquid

Details Apparatus for circulating and/or aerating a liquid Apparatus for circulating and/or aerating a liquid

1975-06-06

1977-05-03

Spear, Jr., Frank A.

Liquid purification or separation

With means to add treating material

Directly applied to separator

210220, 261 91, 261 93, B01F 304

Patent

active

040213498

ABSTRACT:
An apparatus for circulating and/or aerating a liquid, especially waste water located in a tank or basin by means of a centrifugal impeller or rotor immersed in the liquid and rotatable about a substantially vertical axis. The centrifugal impeller is equipped with a multiplicity of at least approximately radially extending liquid conveying channels. The liquid conveying channels at least at the region of their outlet openings or mouths are curved in such a manner in a vertical plane and/or provided at the outlet openings in such a manner with flow deflection surfaces that the liquid emanating from the conveying channels flows at an angle of at least 5.degree. relative to a substantially horizontal plane towards the side of the impeller provided with an inlet opening.

REFERENCES:
patent: 3796417 (1974-03-01), Kaelin
patent: 3814395 (1974-06-01), Kaelin
patent: 3827679 (1974-08-01), Kaelin
patent: 3846516 (1974-11-01), Carlson
patent: 3852384 (1974-12-01), Bearden
patent: 3865721 (1975-02-01), Kaelin

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