Product Overview
The MTW Series European-Type Trapezium Mill is a new generation of world-advanced powder grinding equipment independently developed and manufactured by our company. This series was designed by dozens of experienced R&D engineers based on in-depth research into traditional mill structures, combined with operational feedback and suggestions from more than 9,500 global customers.
By integrating multiple internationally advanced technologies and proprietary patented innovations, the MTW series delivers higher efficiency, lower operating cost, and superior product quality compared with conventional grinding mills. The overall technical level has reached international advanced standards.
Applications
The MTW Series Trapezium Mill is widely used in:
- Metallurgy
- Building materials
- Chemical industry
- Mining and mineral processing
Materials (Mohs hardness ≤ 9, moisture ≤ 6%):
Limestone | Calcite | Marble | Talc | Dolomite | Bauxite | Barite | Petroleum Coke | Quartz | Iron Ore | Phosphate Rock | Gypsum | Graphite
Technical Advantages
High-Efficiency Classifying System
- Vertical turbine classifier with high classification accuracy and efficiency
- Excellent airtight design to prevent coarse particle leakage
- Ensures consistent and stable finished product quality
Optimized Airflow Design
- Unobstructed, wear-resistant volute improves internal airflow efficiency
- Circular air duct design reduces airflow energy loss
- High-strength guard plates protect airflow channels and extend service life
Advanced Sealing Technology
- Innovative multi-layer labyrinth sealing structure
- Ensures stable roller and ring performance
- Significantly reduces maintenance frequency and cost
High-Durability Roller & Ring Materials
- New-generation roller and ring materials with several times longer service life than traditional materials
Cost-Effective Shovel Blade Design
- Combined-type shovel blades: only blade replacement required
- Curved blade surface optimizes material throwing angle
- Extends roller and ring lifespan while reducing operating costs
Bevel Gear Integral Transmission
- High transmission efficiency
- Compact structure saves installation space
- Lower overall investment cost
Internal Thin Oil Lubrication System
- Lubricates main bearings and transmission bearings without extra oil pumps
- Reduces maintenance workload and operating cost
- Equipped with oil temperature online monitoring for safe operation
Streamlined Structural Design
- Elegant appearance with optimized internal layout
- Reduced airflow resistance and dust accumulation
- Stable and environmentally friendly operation
Working Principle
The vibrating feeder continuously and evenly feeds raw materials into the grinding chamber. The bevel gear drives the central shaft, which rotates the roller hanger. Grinding rollers rotate around the central shaft and simultaneously revolve around the grinding ring, while also rotating by friction.
The shovel blades lift and feed materials between the rollers and ring, forming a material bed. Under centrifugal force and extrusion pressure generated by roller rotation, materials are crushed into fine powder.
The airflow carries the ground powder to the classifier, where particles are separated by adjusting the classifier blade speed. Qualified powder enters the cyclone collector and is discharged as finished product. The airflow then returns to the draft fan, forming a closed-loop negative pressure circulation system.
Technical Specifications
| Model | MTW115G | MTW145G | MTW158G | MTW178G | MTW198G | MTW218G |
| Maximum Feeding Size (mm) | <30 | <35 | <40 | <40 | <45 | <50 |
| Finished Product Particle Size (mm) | 1.6 – 0.045, with a minimum fineness of up to 0.038 | |||||
| Capacity(t/h) | 3-10 | 6-17 | 7-21 | 12-33 | 15-45 | 15-45 |
| Main Motor Power (kW) | 55-75 | 110-132 | 132-160 | 185-200 | 220-250 | 280-315 |
| Fan Motor Power (kW) | 55-75 | 110-132 | 132-160 | 185-200 | 220-250 | 280-315 |
| Classifier Motor Power (kW) | 7.5-11 | 18.5-30 | 22-30 | 30-37 | 37-55 | 55-75 |
| Model of Electromagnetic Vibrating Feeder | GZ2F | GZ3F | GZ3F | GZ4F | GZ4F | GZ5F |
| Electromagnetic Vibrating Feeder Power (kW) | 0.15 | 0.2 | 0.45 | 0.45 | 0.65 | 0.65 |