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MTW Series Trapezium Mill (600-45μm)
(MTW Raymond Mill)

MTW Series European Trapezium Grinding Mill (MTW Raymond Mill) is developed on the basis of our experts' long-term R & D experience, structure & performance analyses of traditional grinding mills and the integration of proposals from more than 9500 customers. Finally, this new generation of grinding mill with international advanced level is innovatively designed and pushed out through researches of tens of R & D personnel with great concentration. This mill has many merits that traditional grinding mills fail to own, such as cone gear’s whole transmission, inner oil absorption lubrication system, arc air flue and multinomial international advanced technologies. Besides, it owns multinomial autonomous patent technology property rights. It is totally a grinding mill which reaches the international technological level.

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Technical Advantages

Unique wear proof perching knife design

The combined-type shovel blade can reduce the cost of wearing parts, with only the blade to be replaced during maintenance; the design of its curved shovel blades can change the feeding angle and prolong the service life of the roller and ring, up to reduce the operating costs.

Arc air duct design

The circular duct can avoid air energy loss and ensure the transportation efficiency; the high-strength guard plate can protect the working face of the air duct.

Cone Gear Whole Transmission

The bevel gear integral transmission can achieve higher transmission efficiency, save the space and lower the investment costs.

Volute design

The unobstructed wear-resistant volute can effectively improve the efficiency of the wind-driven transmission in the mill and simultaneously reduce the costs for material maintenance.

Working principle

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In main unit's working process, grinding roller device not only performs gyration by surrounding the central axis，but also performs revolution by surrounding the grinding ring. The grinding roller itself self- rotates by rubbing effect, the merit of which is that it can not only fully pulverize material, but also ensure uniform wear around grinding roller, increasing service life of grinding roller. perching knife, which is installed under grinding roller hanger, rotates with grinding roller at the same time. In this process, the perching knife throws up materials and feed them into grinding ring of grinding roller to form a padding layer. This padding layer is pulverized through outward centrifugal force generated by grinding roller（namely extrusion force between grinding roller and grinding ring）for the purpose of pulverization.

Case

More

Hebei lime grinding production line with output of 400,000 tons per hour

Raw material: limestone

Processing capacity: 400,000 tons/year

Finished powder fineness: 325 mesh D90

Zhejiang calcite-limestone ultrafine powder production line with annual output of 100,000 tons

Raw material: calcite, limestone

Feeding particle size: ≤20mm

Finished powder fineness: 1250--1600 mesh

Gansu bituminous coal grinding production line with annual output of 200,000 tons

Raw material: bituminous coal

Processing capacity: 200,000 tons/year

Finished powder fineness: 200 mesh D90

Main specification

Model MTW110 MTW138 MTW138Z MTW175 MTW175Z MTW215 MTW215Z
Ring major diameter x height(mm) Ф360×190 Ф460×240 Ф460×240 Ф520×280 Ф580×280 Φ640×320 Φ640×320
Ring inner diameter x height(mm) Ф1100×190 Ф1380×240 Ф1380×240 Φ1750×280 Φ1750×280 Φ2150×320 Φ2150×320
Max.feed size(mm) <30 <35 <35 <40 <40 <50 <50
Fineness of finished products(mm) 1.2-0.045
Finest up to 0.038		 1.2-0.045
Finest up to 0.038		 1.2-0.045
Finest up to 0.038		 1.2-0.045
Finest up to 0.038		 1.2-0.045
Finest up to 0.038		 1.2-0.05
Finest up to 0.038		 1.2-0.05
Finest up to 0.038
Capacity(t/h) 3-10 6-20 6-20 10-35 11-38 20-50 20-55
Main motor Power(kw) 55 90 90 160 160 280 280
Blower motor Power(kw) 55 110 110 200 200 315 315
Classifier motor Power(kw) 7.5 22 18.5 37 30 90 55
Standard electromagnetic vibrating feeder Model GZ2F GZ3F GZ3F GZ4F GZ4F GZ5F GZ5F
Power(kw) 0.15 0.2 0.2 0.45 0.45 0.65 0.65
NOTE: The above parameters are for reference only; for more configurations, please consult our sales staff.

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