LUM Ultrafine Vertical Roller Mill

One of our main products, Jaw Crusher is designed by our engineers with large reduction ratio, even granularity, simple structure, reliable operation, convenient maintenance, low cost, Jaw Crusher is widely used in mining, metallurgy, construction, highway, railroad, and chemistry industries.Vertical roller mill has many differentforms, but it works basically the same. All of these forms of machine comeswith roller (or the equivalent of roller grinding parts), and roller along thetrack of the disc at the level of circular movement imposed by externalgrinding roller in the vertical pressure on the disc on the material being thejoint action of compression and shear, and to crush.

It has two pairs of grinding rollers, eachpair of roller composed of two narrow rollers, mounted on the same axis and canrotate at different speeds. There are two circular disc slot, and roller to thetire shape, work pressure in the tank. Disc roller and the relative slidingvelocity between small and roller can swing, even if the roller sleeve and thedisc after the liner wear can guarantee a good abrasive, will not affect thegrinding effect. Roller symmetrical structure, one side can be upside down afteruse and wear.

In order to improve the grinding machine'sworking efficiency, and high power consumption and high material consumption ofgrinding to avoid "breaking" unnecessary work, try to use process of"more crushing and less grinding", reducing mill loss. The crusher isoften associated with a joint working, verticalroller mill must work jointly with the classifier. Set the prescreening forcrushing section, the materials can be without this broken material prescreening, can reduce the amount of ore into the crusher crushing and reduceunnecessary. And check the screening set in crushing the material can be notqualified grade returned to the crusher and crushing, check screening settingscan strictly control the crushed product size.

Particle size of ore milling than orecrushing stricter requirements, and the mill itself has no ability to controlthe particle size of the product (rod mill has a certain granularity controlability, can open circuit grinding), because the classifier, set to control thegrinding in the mill must be outside, namely the closed-circuit grinding.

Service online

  • 1. LUM is of little dust and noise, achieving Environmental Protection Request, it is quite environmentally friendly.
  • 2. Utilize advanced working principle and reduce the grinding time, as a result, the final products has little iron and the whiteness and purity are raised.
  • 3. LUM has excellent grinding-efficiency for the special design of roller shell and grinding plate curve.
  • 4. Low investment cost: LUM use PLC/DCS automatic control system, well save the cost of operators.





Wheel diameter(mm)




Capacity (t/h)




Fineness 400~650Mesh




Material Size(mm)


< 10






Main Motor Power(KW)








Classifier Motor Power

15 KWx5

15 KWx7

15 KWx7

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