MTW Series Trapezium Mill

MTW Trapezium Mill

MTW trapezium mill designed with high quality and advanced technology by our company’s experts based on 10 years R&D on grinding mill. It is widely used in mining, metallurgy, chemistry, construction, building materials , power industry ,coal . it is suitable for the materials which non-explosive, non-flammable and moisture is under 6%,such as cement, feldspar, calcium, dominate, coal, barite ,marble ,talc, plaster fluorite, ect.

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MTW Trapezium Mill Features and advantages

  • 1.The technical performance has reached international advanced level class.
  • 2.Adopted the improved grinding roller and grinding ring to reach the high grinding efficiency . novel design, reasonable structure ,small footprint.
  • 3.Low energy consumption , long service tine , low cost of wear parts ,good operation performance .
  • 4.The unique design of inward-sloping channel ensure the material down into the grinding mill.
  • 5.The important parts of the mill are made of high quality casting and molding manufacturing .fine technology.

MTW Trapezium Mill Used In Limestone Grinding Line

MTW Trapezium Mill is widely used in many fields, here we focus the mill used in limestone grinding line.

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 grinding 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 airflow 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) Ф360×190 Ф460×240 Ф520×280 Φ640×320
Inner diameter of roller (mm) Ф1100×190 Ф1380×240 Φ1750×280 Φ2150×320
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) 2-8 4-15 6-20 9-35
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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