DRUM-TYPE MILL Russian patent published in 2001 - IPC

FIELD: solid material grinding equipment. SUBSTANCE: mill has rotary housing, longitudinal metal lifters and lining plates. Each lifter has two longitudinal parallel slots. Lining plates made from flexible material are laid an interference fit between lifters so that side edges of lining plates are inserted into lifter longitudinal slots and rear surface of each lining plate define two longitudinal cavities. Longitudinal metal lifters may be made in the form of T-section bars which may be attached to inner surface of housing with their strips adjoining longitudinal slots. EFFECT: increased efficiency in grinding large-grain particles and improved wear-resistance of mill liner with lifters. 2 cl, 3 dwg