Rotary surface aerator with adjustable liquid transporting units

Details Rotary surface aerator with adjustable liquid transporting units Rotary surface aerator with adjustable liquid transporting units

1982-08-13

1984-08-14

Chiesa, Richard L.

Gas and liquid contact apparatus

Contact devices

Rotating

210219, 2102212, 239558, 239562, 261 91, 261 93, 261120, 261123, 416186A, B01F 304

Patent

active

044656459

ABSTRACT:
The rotary surface aeration device used to rotate and aerate sewage is provided with a carrying part connected to a vertically running drive axle. A plurality of liquid transporting units also fastened to the carrying part.
In order to improve the oxygen input, the liquid transporting units, which are adjacent to each other viewed in the circumferential direction of the rotary aerating device, have different jet exiting speeds. This is achieved by giving the scoop outlet edges of these liquid transporting units, which are adjacent to each other, a different distance (d, d') from the drive axle of the rotary aeration device. The liquid transporting units are arranged and constructed in such a way that the liquid jets of at least two liquid transporting units, which are adjacent viewed in the circumferential direction of the rotary aeration device, exiting from said units during the operation of the rotary aeration device strike each other before reentering into the liquid to be aerated.

REFERENCES:
patent: 1846875 (1932-02-01), Karr et al.
patent: 2280979 (1942-04-01), Rocke
patent: 2733853 (1956-02-01), Trumpler
patent: 3341450 (1967-09-01), Ciabattari et al.
patent: 3780998 (1973-12-01), Botsch
patent: 3875279 (1975-04-01), Kaelin
patent: 3969446 (1976-07-01), Franklin, Jr.
patent: 4021349 (1977-05-01), Kaelin
patent: 4161371 (1979-07-01), Sheppa

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