MTW Series Trapezium Mill

MTW Series Trapezium Mill

MTW series trapezium mill according to mill the use of the user and the suggestion, in high voltage suspension roller mill on the basis of improving design and become, for the vast number of customers at home and abroad to provide a kind of newest high fine pulverizing equipment, high efficiency, energy saving.

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MTW series trapezium mill adopted the trapezoidal face, flexible connection and roller linkage supercharging five mill patent technology, pioneered the overpressure trapezium mill of the world's highest level. MTW series trapezium mill is used in mining, building materials, chemical, metallurgical and other industries, can be of quartz, feldspar, barite, fluorite, dolomite, garnet, silicon carbide, aluminium vanadium and soil, zircon sand, marble, calcite, iron ore, phosphate rock, coal, ceramics, such as slag mohs hardness is not greater than 9.3, and the humidity below 6% of more than 400 kinds of inflammable and explosive materials are flour processing, finished product size can be adjusted between 30-425 mesh.


  • 1. Innovative grinding roller and grinding ring design. Compared with Raymond mill, the grinding roller and grinding ring into multistage ladder shape design, reduces the material in the trapezoidal slip velocity between grinding roller and grinding ring, prolong the time of material to improve the fineness of finished goods and production.
  • 2. Efficient equilibrium compression spring. Ladder-shaped from Raymond mill and the advantages of suspended roller mill, roller assembly through pull rod and horizontal spring connecting together, its produce radial force to avoid the big materials into the grinding chamber of main shaft and bearing loss, improve the service life of the equipment.
  • 3. The host and classifier using soft connection, damping spring and sealing with the vibration and noise reduction, also to avoid the resonance.
  • 4. High density, high precision impeller device.
  • 5. High efficiency and energy saving of centrifugal induced draft fan. Fan mill in the whole operation process, has played a crucial role, ladder-shaped adopt efficient energy-saving fan impeller type, efficiency ratio of straight blade fan is greatly increased.
  • 6. Compared with Raymond mill, patented product overpressure trapezium mill makes the clearance between housing and end of powder concentrator's blade adjustment convenient, efficient, greatly improving the precision of the finished product.

Technical data

Name & Model MTW110 MTW138 MTW175 MTW215
Ring Roller Number(pcs) 4 4 5 5
Major diameter of roller(mm) Ф360×190 Ф460×240 Ф520×280 Ф640x 320
Inner diameter of roller (mm) Ф1100×190 Ф1380×240 Φ1750×280 Φ2150x 320
Revolving Speed(rmin) 120 96 75 65
Max.Feed Size(mm) <30 <35 <40 <50
Final size(mm) 1.6-0.045,
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) 3.5-10 6.5-15 11-25 30-45
Overall dimension(mm) 8625×7933×8642 10920×9470×10227 12275×9555×9916 14730x 10860x 10341
Main unit motor Model Y280M-6 Y315M-6 Y355M2-8 Y3-355-4-8
Power(kw) 55 90 160 280
Rotate Speed(rmin) 980 990 740 740
Classifier speed regulating motor
(variable frequency motor)
Model Y132M-4 Y180M-4 Y200L-4 YVP280M-4
Power(kw) 7.5 18.5 30 90
Rotate Speed(rmin) 1440 1470 1470 1470
Centrifugal induced draft fan motor
Model Y250M-4 Y315-4 Y315L2-4 Y315L2-4
Power(kw) 55 110 200 315
Rotate Speed(rmin) 1480 1480 1480 1480
Bucket Model TH210 TH315 TH315 TB315
Motor Model Y100L2-4 Y112M-4 Y112M-4 Y160M-4
Motor Power(kw) 3 3 4 11
Rotate Speed(rmin) 1430 1430 1440 1440
Jaw Crusher Model PE250×400 PE250×750 PE250×750 PC1010
Motor Model Y180L-6 Y200L2-6 Y200L2-6 Y315M2-6
Power(kw) 15 22 22 110
Rotate Speed(rmin) 970 970 970 990
Magnetic Vibrating Feeder Model GZ2F GZ3F GZ4F GZ5F
Power(kw) 0.15 0.2 0.45 0.65

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