Vertical roller grinder for super-microfine powder

The utility model relates to a vertical roller grinder for super-microfine powder, which comprises a motor (5), a speed reducer (4) connected with the motor (5), a grinding pan (3) driven to rotate by the speed reducer (4), a grinding roller (2) arranged on the grinding pan (3), a host machine body (10), an impeller (17), an impeller fixing seat (14) and a machine body seat (19); and the vertical roller grinder is characterized in that a diversion body (18) is arranged at the lower end of the impeller (17) and connected with the impeller (17) through a bolt, and the diversion body (18) takes a conical shape. The ground power can be guided to the optimum working area through the diversion body at the lower end of the impeller, the wear at the lower end of the impeller becomes slow under the guide action of the diversion body, and meanwhile, the quality of the finished products can be improved.