MILL Russian patent published in 1997 - IPC

FIELD: grinding equipment; grinding of ores and other mineral materials. SUBSTANCE: mill contains vertical cylindrical housing with inner circular projection provided with ports and shaft mounted in housing coaxially with cup-shaped rotor secured on it and fitted with hub. It has horizontal section located above circular projection and bent from center. Mill is also provided with sieve and radial partitions with through slots located in lower portion above inclined surface of rotor, perforated cylinder mounted concentrically relative to housing chambers for discharge of finished product together with surfaces of housing and circular projection. Radial partitions are located at spaced relation to rotor hub; through slots in radial partitions are made in the form of rectangles whose larger sides are located on inclined surface of rotor. EFFECT: increased production of conditioned product due to avoidance of overgrinding. 1 dwg