C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/9
C02F 3/26 (2006.01) B01F 3/04 (2006.01) B01F 7/00 (2006.01) C02F 3/12 (2006.01)
Patent
CA 1240077
ABSTRACT OF THE DISCLOSURE In order to inject oxygen into a liquid, for example, sewage, the installation is provided with an aerating system disposed in an aerating basin. In order to improve the oxygen injection rate per kilowatt of driving power the aerating system is connected with a pump in the manner of a water jet pump, the flow cross-section of which, in its air intake area, can be varied so as to change the oxygen injection rate. To this end, the diffusor of the aeration system extends along a conical surface. The hollow conical diffuser inner portion is arranged, together with a surface aeration impeller, on a common drive shaft, and can be moved along its longitudinal axis. The diffusor inner portion and the diffusor outer portion each have a plurality of air injection nozzles that are directed towards the interior of the diffusor so as to inject oxygen into the sewage that is accelerated and formed into vortices in the diffusor.
456180
Kaelin Joseph R.
Marks & Clerk
LandOfFree
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