PNEUMATIC FLOTATION MACHINE Russian patent published in 1995 - IPC

FIELD: concentration of mineral resources. SUBSTANCE: pneumatic flotation machine has a chamber with an aerator located in it, froth baffle, loading device in the form of a pipe with holes, and circulating pipe. The pipe with holes communicates with the circulating pipe. The free end of the circulating pipe is removed from the froth baffle at a distance of 0.1 to 0.2 of the chamber height, it has a bevel cut. The bevel cut faces the pipe with holes. The holes in the pipe are staggered on its side surfaces. The circulating pipe is provided with an adjusting devices. EFFECT: improved design. 3 cl, 1 dwg, 2 tbl