Self-protecting liner without screw bolt connection for vertical grinder

A self-protecting linear without screw bolts to link for vertical ore grinder is composed of a set of liner cells, inserted bars, limiting plate and pressing plate. The said linear cell is arc wedge with insertion slot on arc end face and lattice recesses on inner arc surface. The liner cells are arranged virtically and horizontally on the inner wall surface of internal cylinder to form a integral liner. The inserted bars are inserted in the said insertion slots. The liner is fastened by limiting plate in horizontal direction and by pressing plate in virtical plirection. Its advantages include simple structure, easy installation and replacement, and long service life.