FIELD: water treatment systems; devices for circulating treatment of water by floatation; purification of drinking water at home and in food-processing industry; purification of industrial water containing surfactants.
SUBSTANCE: proposed plant includes reservoir, aerator and vertical extractor equipped with bell-mouth from below for entrapping air bubbles and foam receiver at the top, as well as with pump fitted with suction and discharge branch pipes, pump drive and column mounted in reservoir above extractor; aerator is made in form of water-and-air ejector with nozzle-type inlet branch pipe communicated with discharge branch pipe of pump, air intake branch pipe communicated with atmosphere and outlet branch pipe communicated with column. Suction branch pipe of pump is communicated with reservoir.
EFFECT: increased productivity; enhanced efficiency of purification of water; increased service life of plant; low cost of servicing.
4 cl, 1 dwg
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