FIELD: process engineering.
SUBSTANCE: invention can be used in the systems of air-activated aeration of natural and industrial effluents at biological treatment and in flotation systems. Proposed device consists of elongated cylindrical case 1, oxygen gas feed pipe 2, water feed 3 and discharge 8 pipes and oxygen release valve. Water feed pipe 3 is connected with water intake compartment and water acceleration compartment. Diameter of the latter is larger than that of water intake compartment. Said case 1 is tightly secured by its bottom inside cylindrical bed 7 including at least one water discharge pipe 8. Bottom of said case 1 has cutouts for water passage made over its entire circle. System of vertical barriers is arranged between case 1 wall and cylindrical bed 7.
EFFECT: simplified design and erection, lower costs, reliable operation.
6 cl, 3 dwg
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