HP coal pulverizer grinding roller lining plate, the utility model relates to the mechanical device technology field. It contains grinding roller welt body, grinding roller welt body pass through bolted connection and fix the bottom at the grinding roller support, it still contains curved plates, curved plates set up in the rear of grinding roller welt body, it is fixed in the bottom of grinding roller support, and sets up in lower parts grinding roller support below and four bolt holes that flange links to each other peripherally. Add the device, that can improve the flange position preventsthat it does all can to blow the damage, when overhauing, need not to restore flange portion, only need to change lining plate, and the saving manpower and materials, the practicality is stronger.