Superfine dry powder of none-metal ores such as calcite, marble, limestone, coarse whiting, talc, barite and dolomite and so on.
According to 30 years’ research and development experience, basing on design of LM Vertical Mill, adopting technology about superfine vertical mill’ s grinding roller made in Germany, LUM series superfine vertical roller grinding mill was produced as the fist choice for nonmetallic ore milling, the plant can be widely used in construction, mining machinery, chemical, concrete, etc. industries.
1.High grinding efficiency, little pollution to the final products.
2.Advanced, efficient and energy-saving powder-concentrating technology.
3.Secure and efficient operating principles, intelligent operating system.
4.High Output Rate of Finished powders.
5.Long life of tear and wear parts.
6.Environmental friendly, no pollution.
The main motor drives the millstone to rotate through the reduction box, meanwhile, the air flow gets into the mill through air intake. The materials come out of the screw feeder and fall on the center of the millstone, and then they will move from the center to the edge of the millstone under the affect of centrifugal force. When they move across the grinding zone, they will get grinded by the rollers. The materials in the air flow will go through the rotor vanes on the separator above. The coarse powder will go back to the millstone while the eligible powder will go out of the mill together with the air flow and get collected by the powder collector. Those collected powder is the final products of the LUM grinding mill. The final products can be in different fineness through adjusting the rotating speed of the rotor of the powder concentrator.
|Model Specification Name||LUM1125X||LUM1232X||LUM1436X|
|Intermediate diameter of the millstone （mm）||1100||1200||1400|
|Quantity of the rollers（piece）||3||3||3|
|Granularity of the feeding material D90（mm）||< 10 Max. 15mm||< 10 Max.15mm||< 10 Max.20mm|
|Moisture of the feeding material||< 3%|
|Fineness（mm）||Generally in 0.045-0.02, the finest can reach 0.01.|
|Power of the main motor（KW）||250||315||355|
|Power of multiple powder concentrator & quantity||15KW×5||15KW×7||15KW×7|
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