Vertical mill for superfine slag powder

A vertical mill for superfine slag powder comprises a lower shell, a middle shell and an upper shell, the lower shell, the middle shell and the upper shell are welded with one another and are communicated with one another, a feeding port and a discharging port are formed in the middle shell, a speed reducer is arranged on the lower shell, the speed reducer is connected with the speed reducer, and the speed reducer is connected with the speed reducer. A main motor is installed on the speed reducer, an access door is arranged on the middle shell, an air inlet is formed in the lower shell, an installation base is arranged in the lower shell, and a draught fan is installed on the installation base. When the micro powder moves to the edge of the grinding disc, iron block sundries in the micro powder cannot be blown up by hot air due to the large weight of the iron block sundries, fall into the material receiving plate and are stirred into the material discharging pipe through rotation of the material stirring ring