DOUBLE INTERCHAMBER PARTITION OF TUB MILL Russian patent published in 1994 - IPC

FIELD: industrial building material. SUBSTANCE: double interchamber partition of tub mill has fore and rear screen walls and radial blades positioned between them. Diameter of one-piece fore wall is smaller than diameter of tub, and blades thrust against body of tub and are connected to each other along axle of tub. Blades in the area between body of tub and fore wall project in the direction of material charging and are inclined forward in the direction of rotation. EFFECT: enhanced operating reliability. 2 cl, 3 dwg