Vertical roller mills are widely used in the concrete and mining fields, and are also used to process coallime and gypsum. These units can process both raw and recycled materials, while helping to reduce waste and preserve virgin supplies of these materials.

Capacity: 50-250 t/h

Motor Power: 1000-5000kw

Fineness: 3300-4000cm²/g

Vertical Roller Mill Introduction:

The vertical roller mill has been widely used and promoted in the electric power, metallurgy, chemical industry,non-metal industry because the overall efficiency attributed to energy-saving and low consumption is becoming more and more evident in the cement industry. GRM series vertical roller mill is developed with the features of high efficiency, energy-saving and environmental protection which is achieved after exchanging ideas with senior experts from home and abroad and making improvements based on same sector experience in the past years.

GRMC series typically designed to process materials in medium hardness, like soft coal or bituminous coal.

GRMK series is mainly used to grind cement clinker into fine powder during cement production,This cement mill widely used in the grinding of raw cement, slag, cement clinker, raw coal and other raw materials.

GRMS series GGBS vertical roller mill is the equipment to grind Ground Granulated Blast furnace Slag (GGBS),Nickel Slag, Manganese slag and other ore slag into small particles.

Structure of vertical Roller mill:

1) The combined classifier improves the powder selection efficiency.

2) It is not necessary to distribute material on the grinding plate before start-up. The roller can be lifted up and down automatically and start without load.

3) It is well sealed by welded arc plate and structure is simple and reliable

4) With the help of roller turning device, it is easily to turn the roller out for maintenance.

5) Both sides of roller sleeve can be used so that the service life of refractory material is extended.

6) Grinding roller limit device can ensure a certain space between roller and grinding table, which avoids the direct friction and collision between roller and grinding table and enhances safety

7) The grinding roller is driven by spinning grinding table. Pressure filling and adjustment and roller lifting can be remotely controlled without operator on-site.

8) The roller bearing is circularly lubricated by thin oil to enable it to work under low temperature and clean grease so that the service life is extended

Note: mill spectral pattern benchmark

Material medium friction (MF)=0.9~1.0;

Material moisture max 7%;

Refined powder granularity 80μmR 12~15%;

Refined powder moisture 0.5~1.0%;

The concrete mill installed power and technology parameter will be adjusted appropritely basing on the actual material property and requirements of owner;

The above specification also applies to limestone powder mill, and the concrete type selection shall be decided according to material property.



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