FIELD: environmental protection of waters from contaminations. SUBSTANCE: device includes vertical water lifting pipe placed on a pontoon. Impeller is installed in the pipe. Over upper pipe end there is a propeller installed on impeller shaft. The pipe end is perforated and provided with nozzles connected to pipe openings and directed to the side of the propeller. EFFECT: aeration process improvement. 1 dwg
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Authors
Dates
1996-03-10—Published
1990-10-25—Filed