FLOTATION MACHINE Russian patent published in 1997 - IPC

FIELD: devices for material flotation and may be used in mining, metallurgical, food and other industries. SUBSTANCE: machine comprises cell with aeration unit having blade stator and impeller. Clearance between stator and upper base of impeller equals 0.03-0.08 of diameter of impeller upper base. Distance between internal edges of adjacent blades equals 3-5 clearances between stator and impeller upper base. Impeller is made in the form of truncated cone with projections on its side surface and facing with its small base downward. EFFECT: higher efficiency. 2 cl, 2 dwg