WATER CLEANING DEVICE Russian patent published in 1994 - IPC

FIELD: water cleaning. SUBSTANCE: water cleaning device uses a casing divided by central channel into a prefilter with floating filter media and filter with heavy media, located in the channel perforated reagent supply pipeline, vertical partition that does not reach the bottom, ozone-air mixture distributor installed under the partition, poppet valve positioned in the channel between the partition and filter and overlap extending under the distributor; the perforated pipeline is provided with a means for reciprocal motion, and the ozone-air mixture distributor is made as a semi-pipe with a tapered insert of porous polyethylene connected to its lower part. EFFECT: enhanced quality of cleaning. 4 cl, 3 dwg