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Trapezoid Mill

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Feeding size:

Applications:limestone, calcite, calcium carbonate, dolomite, barite, talc, gypsum, diabase, quartz stone, bentonite, etc.

Trapezoid mill Overview:

Trapezoid mill is widely used in electric power, mining, metallurgy, chemical industry, steel, building materials, coal and other industries, with Mohs hardness below 9.3 and humidity below 6% of various non-flammable and explosive mineral materials, finished products Fineness can be adjusted arbitrarily between 30-400 mesh, such as cement (raw clinker), quartz, feldspar, calcite, dolomite, graphite, fluorite, wollastonite, phosphate rock, calcium magnesium phosphate fertilizer, coal, coal gangue , slag, zircon sand, talc, granite, potassium feldspar, marble, barite, ceramics, glass and other more than 1,000 kinds of materials grinding and processing.

Trapezoid mill Features:

1. Compared with the traditional vertical mill, the medium-speed trapezoid mill has unparalleled advantages. It applies a number of the latest national patented technologies, and its technical performance has reached the international first-class leading level.
2. Adopt trapezoidal grinding rollers and grinding rings that can improve the grinding efficiency. Novel design, reasonable structure and small occupied area.
3. Use the pressure spring that can balance the pressurization and the elastic connection that can stabilize the shock absorption. Low power consumption, long operating life, low cost of wearing parts and high-cost performance.
4. The unique design of the inwardly inclined air duct ensures that the material entering the air inlet shell can smoothly fall into the mill along the inclined plane.
5. The important parts of the trapezoidal mill are made of high-quality castings and profile steel. The fine craftsmanship and rigorous process ensure the durability of the entire set of equipment.
6. The electrical system adopts centralized control, and the grinding workshop can basically realize unmanned operation and maintenance.

Trapezoid mill Working Principle :

The motor drives the central shaft to rotate through the reducer, and the upper end of the shaft is connected to the grinding roller hanger. Under the action of centrifugal force, the grinding roller also rolls around the raceway of the grinding ring, and the grinding roller itself rotates due to friction. A blade holder is installed under the grinding roller hanger, and inclined blades are installed on the flange under the blade holder. The front end of the blade is close to the lining plate of the grinding chamber, and the rear end is near to the wedge-shaped gap formed by the grinding roller and the grinding ring. During the simultaneous rotation of the blades and the grinding roller, the material is shoveled and thrown into the space between the grinding rollers and the rings to be squeezed and ground. The airflow entering the grinding cavity from the bottom of the grinding ring will bring the qualified powder to the classifier, thereby achieving the purpose of grinding.

MTW European Trapezoid Mill


Item\Model TGM100 TGM130 TGM160
Roller piece 4 5 6
Roller Diameter× Height(mm) Ø 320× 200 Ø 410× 240 Ø 440× 270
Ring Inner Diameter× Height(mm) Ø 980× 200 Ø 1280× 240 Ø 1600× 270
Speed Of Main frame (r/min) 130 103 82
Max. Input Size (mm) < 25 < 30 < 35
Product Size (mm) 1.6~0.045
fineness can reach to 0.038
fineness can reach to 0.038
fineness can reach to 0.038
Capacity (t/h) 3~8 6~15 9~22
Overall Dimension (mm) 9910× 5365× 8310 7910× 7000× 9645 12550× 5700× 8355
Weight (t) 16 26.1 35

Note: The capacity may vary with different materials and feeding sizes.

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Tel:0086-0371-86581139 Add:Block C,Parkin Building,Cuizhu Street,High-tech Development Zone,Zhengzhou,China
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1. We can provide a complete set of equipment including crushing, screening, beneficiation, etc.
2. he products have been exported to market of Southeast Asia, Middle East, Africa and the Americas. Agents have also been developed in Egypt, Pakistan, Vietnam and other countries.
3. We supply with decent quality product, as well as best solution design, professional technical support and excellent after-sales service.

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0086-0371-86581139 [email protected] Parkin Building,Cuizhu Street,High-tech Development Zone,Zhengzhou,China


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