Novel segmentation millstone lining plate for vertical roller mill

A novel segmentation millstone lining plate for a vertical roller mill comprises a special-shaped fan-shaped lining plate body which is uniformly segmented, the special-shaped fan-shaped lining plate body comprises an inner ring conical cylindrical surface and an outer ring conical cylindrical surface, and a plurality of segmentation lines are arranged in the special-shaped fan-shaped lining plate body; a grinding disc base is arranged below the special-shaped fan-shaped lining plate main body, the grinding disc base is fixed with the outer edge of the outer ring conical cylindrical surface, a wedge ring is arranged in the center of the inner ring conical cylindrical surface, an inner ring of the special-shaped fan-shaped lining plate main body is tightly pressed through the wedge ring, and a grinding roller matched with the special-shaped fan-shaped lining plate main body in radian is arranged above the special-shaped fan-shaped lining plate main body. The contact time of the grinding roller and the millston