Centrifugal mill

摘要

PCT No. PCT/SU87/00091 Sec. 371 Date Apr. 15, 1989 Sec. 102(e) Date Apr. 15, 1989 PCT Filed Aug. 25, 1987 PCT Pub. No. WO89/01824 PCT Pub. Date Mar. 9, 1989.A centrifugal mill having a feeder secured on a housing, the working surface of which has ribs and which accommodates a separator mounted on a shaft and arranged coaxially inside the housing to define an annular clearance with the working surface of the housing and having a cavity and a plurality of through holes in a side wall and balls placed in the cavity of the separator, some of the balls interacting during rotation of the separator with the ribs of the housing via the through holes in the side wall of the separator, the cavity of the separator accommodating a baffle defining with the separator an annular clearance of between 0.1 and 1.0 times the diameter of the ball, the annular clearance between the separator and working surface of the housing amounting to between 0.1 and 0.5 times the diameter of the ball, whereas the through holes in the separator have the form of slots.