GRINDING FILLING Russian patent published in 2007 - IPC D21D1/30 B02C7/12 

FIELD: grinding filling for disk-type mills, may be used in pulp-and-paper industry at fine grinding stage.

SUBSTANCE: grinding filling has rotor and stator disks whose working surfaces facing one another are equipped with curved knife protrusions. Cutting edges of knife protrusions of rotor and stator disks are made with eccentricity relative to disk center and are formed circular.

EFFECT: increased value of tangents of circumferential velocity components and tangent of forces, increased share thereof relative to normal components, improved property of processing of fibrous semi-finished product, increased efficiency and reduced consumption of power.

1 dwg