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Vertical mill

2024-05-13 09:19:41

Overview:Vertical mill is a kind of large grinding equipment, widely used in cement, electric power, metallurgy, ore, chemical industry and other industries. It integrates crushing, drying, grinding, grading and conveying in one, with high production efficiency, and can grind bulk, granular and powdery raw materials into required powdery materials. The core components of vertical mill include grinding disc, grinding roller, powder separator (separator), pressure device, reducer and motor, etc.The working principle of a vertical mill is as follows:
1.Feeding: Raw materials are fed into the grinding chamber of the vertical mill through a feeding device.
2.Grinding Rollers and Grinding Discs: Inside the vertical mill, there are one or more pairs of grinding rollers and grinding discs, which are positioned in the grinding chamber and create a certain gap. As the raw materials enter the grinding chamber, the grinding rollers and grinding discs rotate and exert pressure, grinding the raw materials.
3.Classifier: During the grinding process, some finer particles are squeezed out between the grinding rollers and grinding discs. These finer particles are then sent to a classifier for classification, to control the particle size of the final product.
4.Discharging: After grinding and classification, the finished particles are discharged from the vertical mill's outlet, and they proceed to the next production stage or collecting device.
Summary:In summary, a vertical mill grinds raw materials into the desired particle size by the rotating and pressing action of the grinding rollers and grinding discs. The particle size of the final product is controlled by a classifier, and the finished product is discharged accordingly.The working principle and structure of vertical mill are various, but the basic principle is the same. The pressure between the roller and the grinding disc and the residence time of the material on the grinding disc are the key factors affecting the grinding efficiency. When the user chooses the vertical mill, it should be decided according to the characteristics of the grinding material.


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