MTW Series Trapezium Mill

Input Size: 33-40 mm

Processed Materials: Limestone, calcite, barite, dolomite, potassium feldspar, bentonite, medical stone, rock phosphate, manganese ore, iron ore, quartz, active carbon, carbon black, ceramic, coal, etc..

Applications: Cement, coal , power plant desulfurization, metallurgy, chemical industry, non-metallic mineral, construction material, ceramics.

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MTW series trapezium mill is the world's largest industrial milling machine and the world's most advanced European-style trapezoidal milling machines is is particularly applied to limestone, lime crushing and milling of large production.It is widely used in steel mills and thermal power plant desulfurization process of milling,and the ratio of desulfurization can be higher than 92%.

Benefit And Advantages


Bevel gear overall drive reduces noise and increases drive efficiency and capacity.Inner automatic thin-oil lubricating system makes better lubrication for bearings


Edge-replaceable shovel saves you money and frequency-control separator and cyclone powder collector ensure high capacity

Environmentally friendly

Unique air recycling system and dust collector make clean environment

MTW Trapezium Mill Used In Raw Material Grinding

After being crushed into required sizes by the jaw crusher, the crushed limestone will be transferred to the hopper by the elevator and then being fed into the MTW series trapezium mill cavity evenly and continuously by the vibrating feeder. The ground powder is flowed by the airflow of the fan and then graded by the classifier. The required size powder will enter the collecting system through the duct, after separating and collecting and discharged from the outlet duct.

Because of the certain moisture of the raw material, while grinding, the produced heat will lead to the gas evaporation and expansion which will change the quantity of the airflow. And each of the junctions of the ducts is not tightly sealed; the outside air will enter the grinding cavity which increases the circulating airflow. In order to keep the balance of the trapezium mill and collect the extra gas into the dust collector, we need to adjust the gas event of between the fan and the main part. And then collect the powder which is brought by the extra gas. The extra gas will be discharged after being purified.

Technical Data

Model MTW110 MTW138 MTW175 MTW215
Major diameter of roller(mm) *360*190 *460*240 *520*280 *640*320
Inner diameter of roller (mm) *1100*190 *1380*240 *1750*280 *2150*320
Max.Feed Size(mm) <30 <35 <40 <50
Final size(mm) 1.2-0.045,
fineness can reach to 0.038
fineness can reach to 0.038
fineness can reach to 0.038
fineness can reach to 0.038
Capacity(th) 3-10 6-20 10-35 20-50
Main unit motor Power(kw) 55 90 160 280
Centrifugal induced draft fan motor Power(kw) 55 110 200 315
Classifier speed regulating motor(variable frequency motor) Power(kw) 7.5 22 37 90
Magnetic Vibrating Feeder Model GZ2F GZ3F GZ4F GZ5F
Power(kw) 0.15 0.2 0.45 0.65

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