Rotary surface aeration device

Details Rotary surface aeration device Rotary surface aeration device

B - Operations, Transporting

01

F

362/22

B01F 3/04 (2006.01)

Patent

CA 1237542

Abstract The rotary surface aeration device used to rotate and aera- te sewage is provided with a carrying part connected to a vertically running drive axle as well as with a plu- rality of liquid transporting units fastened to the carrying part. In order to improve the oxygen input, the liquid transpor- ting units , which are adjacent to each other viewed in the circumferential direction of the rotary aerating de- vice, 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 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 circumferen- tial 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.

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