LUM ultra-fine vertical mill is mainly composed of motor, reducer, grinding roller device, grinding disk device, pressurizing device, powder selector, machine body and oil station.
The main motor drives the rotation of the mill through the reducer, while the wind enters the mill through the air inlet, and the material falls in the middle of the mill through the spiral feeder downcomer. Under the action of centrifugal force, the material moves evenly from the middle to the edge of the mill, and when it passes through the grinding roller channel area on the mill, it is crushed by the grinding roller, and the large piece of material is directly crushed, and the fine grain material is squeezed to form a material bed for intergranular crushing. The crushed material continues to move to the edge of the grinding plate until it is taken away by the strong airflow at the wind ring, while the larger granular material falls back to the grinding plate to continue to crush, the material in the airflow passes through the upper separator, under the action of the rotor blades, the coarse particles return to the grinding plate, qualified fine powder with the airflow out of the mill, collected by the system's powder collector, the collected powder is the ultra-fine vertical grinding of product. Iron and other debris mixed into the material with the movement of the material to the edge of the grinding plate, due to its own weight and can not be blown up by the wind, fell to the lower cavity of the mill is installed in the bottom of the grinding plate scraper scraping into the slag discharge mouth out of the machine.