MTW Series Trapezium Mill
Working Principle
After jaw crushers break large bulkymaterials to smaller ones, elevators work to send materials to the hopper.Then, by electromagnetic vibrating feeders, broken materials are evenly andquantitatively sent to the grinding chamber of MTW European Grinding Mill.After grinding, materials are blown away by airflow to the powder concentratorfor classifying. Under the action of the impeller of powder selector, materialswhich fail to meet fineness would be sent back to grinding chamber to getanother grinding while qualified powders would be collected by cyclone powdercollector and discharged from the bottom as finished products. And, after that,the airflow would go into the fan along with the air return duct at the top ofcyclone power collector. This system adopts a closed circuit and runs underpositive and negative pressure. Because materials have a certain content ofmoisture, heat generated during grinding may lead air evaporation or swell inthe grinding chamber so that the amount of airflow increases sharply. Besides,if the feed port and joints of pipelines are not sealed well, external air mayintrude the grinding mill and lead imbalance of airflow. So, SBM arrangesexhaust valves at the air outlet of the fan to induce redundant air into thebag filter. After purifying, the redundant air is discharged. This arrangementcan achieve both the balance of airflow and the eco-friendly production.
Features
1. Exquisite appearance.
2. The whole bevel gear transmission.
3. Internal thin oil lubrication system.
4. curved duct.
5. Curved surface shovel with exchangableblade.
6. Isolated cyclone collector.
7. No resistance inlet volute (smallobservation door without vortex).
Technical data
Model | MTW110 | MTW138 | MTW138Z | MTW175 | MTW175Z | MTW215 | |
Major diameter of roller(mm) | Ф360×190 | Ф460×240 | Ф460×240 | Ф520×280 | Ф580×280 (Ф520×280) | Φ640×320 | |
Inner diameter of roller (mm) | Ф1100×190 | Ф1380×240 | Ф1380×240 | Φ1750×280 | Φ1750×280 | Φ2150×320 | |
Max.Feed Size(mm) | <30 | <35 | <35 | <40 | <40 | <50 | |
Final size(mm) | 1.2-0.045, | 1.2-0.045, | 1.2-0.045, | 1.2-0.05, | 1.2-0.045, | 1.2-0.05, | |
Capacity(th) | 3-10 | 6-20 | 6-20 | 10-35 | 10-35 | 20-50 | |
Main unit motor | Power(kw) | 55 | 90 | 90 (110) | 160 | 160 (185) | 280 |
Centrifugal induced draft fan motor | Power(kw) | 55 | 110 | 110 (132) | 200 | 200 (220) | 315 |
Classifier speed regulating motor(variable frequency motor) | Power(kw) | 7.5 | 22 | 18.5 | 37 | 30 | 90 |
Magnetic Vibrating Feeder | Model | GZ2F | GZ3F | GZ3F | GZ4F | GZ4F | GZ5F |
Power(kw) | 0.15 | 0.2 | 0.2 | 0.45 | 0.45 | 0.65 | |
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