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The main structure of the the Shanghai Clirik limestone vertical millconsists of the separator, the grinding roll device, the grinding disc device, the pressurizing device, the reducer, the motor, the shell and so on.
The limestone lump falls into the center of the grinding disc through the feeding tube, and the grinding disc which in constant speed rotates disperse the raw material outwards with the help of the centrifugal force. The material forms a layer with a certain thickness, and the material is crushed and crushed by a number of grinding rolls on the grinding disc.
Proper material layer thickness and stable material layer are the basis for stable operation of limestone vertical mill. If the material layer is too thick, the grinding efficiency would be reduced. When the pressure difference of the mill reaches the limit, it will collapse. This will affect the main motor and the outer row system. When there is any excess vibration of the vertical mill, it will not only directly cause mechanical damage, but also affect production and quality. The factors that cause vibration includes mill foundation, grinding pressure, thickness of material layer, air volume and air temperature, accumulator pressure and wear condition of roller surface.
In the process of vertical mill operation, in order to form stable material layer, it is necessary to have suitable gradation for the grinding material. Ensure that more than 95% of the particle size is supposed to be smaller than 3% of the roll diameter.
If you want to know more about our limestone vertical roller mill or other products, please feel free to contact us. You can chat with us online, leave messages on our website or call us directly.