APPARATUS FOR AERATION WASTE WATER Russian patent published in 1997 - IPC

FIELD: waste water aeration. SUBSTANCE: apparatus has an upright quid tube 1 and coaxially arranged on lower part of the tube distributive annular chamber 9 with connected to it inlet fitting for air 8, dispergator 4 with jet vibration generator 10 installed in distributive chamber 9, mixing chamber 3 with branch pipe for lower inflow of sludge and waste water 12 and outlet toroidal nozzle 13. There are also nozzle 2 fastened to lower part of the upright tube 1 and placed in mixing chamber 3, two parallel guide discs 5 and 6 fastened to outer surface of tube 1 forming annular gape 7 connected with toroidal nozzle 13. Apparatus increases waste water throughput of air tank by 25%, reduces air consumption by 40% increasing its efficiency by a factor of 2.5, and decreases specific power consumption for transfer 1 kg of oxygen by a factor of about 2.6. EFFECT: enhanced efficiency of waste water aeration. 1 cl, 2 dwg