TUMBLING MILL Russian patent published in 2006 - IPC B02C17/06 

FIELD: disintegrating.

SUBSTANCE: tumbling mill comprises charging and discharging devices, grates that are secured to the housing, lining wear-resistant members that are hollow and arranged along a screw line in rows. The lining member of each row has openings from the outer side. The perforated ellipsoidal segments are secured inside the housing to be parallel one to the other and inclined to the longitudinal axis of the housing. From the outer side, the segments are covered with lids to define closed spaces between the ellipsoidal segments and lids. The spaces are in communication with the screw passages. The direction of the curved generatrix is opposite to that of the screw passages and coincides with direction of rotation of the housing.

EFFECT: enhanced efficiency.

1 cl, 7 dwg