Apparatus for the intermittent aeration of liquids

Liquid purification or separation – With means to add treating material – Directly applied to separator

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261122, 261124, C02F 320

Patent

active

047341912

ABSTRACT:
An apparatus for the aeration of off-water or the like media in an aeration tank with the aid of an aeration face arranged below the water surface. The device comprises a rigid, self-supporting supporting body provided with througholes or being of porous material and covered with an elastic diaphragm; air is supplied to the supporting face of the body at the center of gravity or a gravity line thereof into a deflecting region and from there to the periphery of the body which is slightly raised vis-a-vis the central region of the body, from where the air escapes with decreasing pressure into the water to be aerated. The aeration face can be adapted to be swivelled, and the cross-sectional area of the supporting body can be of pyramid, wedge, circular or frustoconical configuration or it can be vaulted in a concave or convex manner. Basic shapes of the supporting body are a circular or a polygonal, preferably rectangular configuration.

REFERENCES:
patent: 3532272 (1970-10-01), Bronton
patent: 3768788 (1973-10-01), Condel
patent: 3997634 (1976-12-01), Downs
patent: 4070279 (1978-01-01), Armstrong
patent: 4288394 (1981-09-01), Ewing et al.
patent: 4631134 (1986-12-01), Schussler

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