FLOTATION AERATOR Russian patent published in 2013 - IPC B03D1/14 C02F1/24 C02F1/74 C02F7/00 B01F3/04 

FIELD: process engineering.

SUBSTANCE: invention can be used in oil production and processing, petrochemical, food and light industries, ferrous and nonferrous metallurgy and machine building. Flotation aerator comprises housing baffle 10 with central bore to divide its inner chamber in top and bottom zones 2, 3; water inlet arranged at bottom zone lower area, air duct 7; water-air mix outlet; motor 1 with impellers 5, 6 fitted on shaft 4 arranged in housing different zones. Said baffle 10 represents a diaphragm. Air duct 7 is connected with top zone 2. Water-air mix outlet is composed of perforation in housing bottom zone sidewalls. Impeller 6 arranged at bottom zone 3 is composed of rotor with vertical replaceable vanes. Said vanes feature perforated and/or toothed edges. Water discharge into bottom zone is effected via detachable control diaphragm 12 with central bore and nozzle 22.

EFFECT: higher efficiency of fine air-water mix and reliability of operation.

9 cl, 2 dwg