PNEUMATIC FLOTATION MACHINE Russian patent published in 1995 - IPC

FIELD: concentration of mineral resources. SUBSTANCE: pneumatic flotation machine has a chamber, aerators, airlift, packing, baffle, plate, unloading device for froth product and reservoir for chamber product. The machine body is made as a vertical cylindrical column. The column consists of rough flotation, final flotation and feed chambers. The cross-section area of the rough flotation chamber exceeds the cross-section areas of the final flotation and feed chambers. The main aerator is made of concentrically arranged ring-closed perforated tubes, it is located in the rough flotation chamber. The additional aerator is positioned along the cross-section of the final flotation chamber. The telescopic airlift is positioned along the machine axis. The excess air discharge tube is located above the upper edge of the airlift. The chamber product reservoir is connected to the feed chamber. EFFECT: improved design. 1 dwg