Aeration device with a protection skirt

Details Aeration device with a protection skirt Aeration device with a protection skirt

1988-07-28

1989-07-18

Wyse, Tom

Liquid purification or separation

Structural installation

Geographic

210220, 261 77, 2611211, 261DIG70, C02F 320, B01F 304

Patent

active

048491012

ABSTRACT:
An aeration device is immersed in an aeration-sedimentation basin for oxygenating the water contained therein. The aeration device comprises a vertical, hollow aeration column with a lower inlet and an upper outlet. A pipe supplied with pressurized air has an orifice to produce in the column an upward jet of air. A skirt surrounds the lower portion of the column including the inlet, which skirt has a closed, lower end but an open, upper end above the level of the solid accumulations in the basin. Water substantially free from solid accumulations is therefore pumped by the air jet through the open, upper end of the skirt and the water inlet, the pumped water flowing through the column from the inlet to the outlet while being oxygenated by the air jet, and the so oxygenated water being returned in the basin through the outlet.

REFERENCES:
patent: 4169873 (1979-10-01), Lipert
patent: 4215081 (1980-07-01), Brooks
patent: 4216091 (1980-08-01), Mineau
patent: 4235720 (1980-11-01), Nakajima et al.
patent: 4242199 (1980-12-01), Kelly
patent: 4336144 (1982-06-01), Franklin, Jr.
patent: 4439316 (1984-03-01), Kozima et al.
patent: 4569757 (1986-02-01), Moore

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