PNEUMATIC FLOTATION MACHINE Russian patent published in 1995 - IPC

FIELD: concentration of ores. SUBSTANCE: pneumatic flotation machine has vertical column, devices for loading the pulp and introducing the air, circular foam collector with bottom, device for unloading the chamber product with inlet and drain holes and cylindrical shell which is mounted inside foam collector on its bottom concentrically relative to the column. Upper edge of shell is located higher than upper edge of column. Inlet hole made in bottom of foam collector is located between column and shell. Drain hole is located between upper edges of column and shell. EFFECT: enhanced reliability. 1 dwg