MTW Trapezium Grinding Mill

Lower operational & maintenance costs, excellent environmental protection

MTW Trapezium Grinding Mill is developed by our company's experts based on 10 years' R&D on grinding machines. It owns many independent patents, such as overall prick gear drive, internal thin oil lubrication system, arc-shaped air duct. All of these make it lead the trend of the milling industry in the world.

Materials:Limestone, calcite, dolomite, petroleum coal, gypsum, barite, marble, talc, coal powder, etc.

Product Advantages

The split shovel blade enlarges working area a lot. Besides, the unique pneumatic sealing device effectively avoids spill-over of coarse powder.

The structure is more compact, occupying smaller floor area. Meanwhile, equipped with professional dust remover, the operation is quite friendly to the surrounding environment.

Compared with traditional straight air ducts, the inlet of this air duct is smooth with little resistance and the outlet is easy for the dispersing of materials.

The grinding rollers and rings are made of wear-resistant alloy. Their service life is expected to be 1.7-2.5 times longer than traditional rollers and rings.

Working Principle of MTW Trapezium Grinding Mill

After large bulky materials are crushed to smaller ones, the hoister works to send materials to the hopper. Then, by electromagnetic vibrating feeders, broken materials are evenly and quantitatively sent to the grinding chamber of MTW Trapezium Grinding Mill. After grinding, materials are blown away by airflow to the powder concentrator for classification. Under the action of the impeller of powder selector, materials which fail to meet fineness would be sent back to grinding chamber to get another grinding while qualified powders would be collected by cyclone powder collector 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 of cyclone power collector. This system adopts a closed circuit and runs under positive and negative pressure.

Because materials have a certain content of moisture, heat generated during grinding may lead air evaporation or swell in the grinding chamber so that the amount of airflow may increase sharply. Besides, if the feed port and joints of pipelines are not sealed well, external air may intrude the grinding mill and lead imbalance of airflow. So, ZENITH arranges exhaust valves at the air outlet of the fan to induce redundant air into the bag filter. After purifying, the redundant air is discharged. This arrangement can achieve both the balance of airflow and the eco-friendly production.

Technical Specs

Customer Cases

Oman 300TPH Limestone Crushing Line

Location:Saham, Oman
Material:Limestone
Input Size:Below 720mm
Output Size:0-5mm, 5-10mm, 10-20mm, (Oman standard)
Capacity:300t/h

Russia 300-350TPH Granite Crushing Line

Location:Russia
Material:Plagiogranite
Input Size:Below 700mm
Output Size:0-5mm, 40-70mm (0-5mm, 5-10mm, 10-20mm)
Capacity:300-350t/h

Mecca 500TPH Granite Crushing Line

Location:Mecca
Material:Granite
Input Size:Below 1000mm
Output Size:0-10mm, 10-13mm, 13-20mm, 20-25mm
Capacity:400-500TPH (12 hours per day)

Saudi Arabia 600TPH Granite Crushing Line

Location:Saudi Arabia
Material:Granite
Capacity:600t/h

Vietnam 250TPH Limestone Crushing Line

Location:Vietnam
Material:Limestone
Input Size:Below 210mm
Output Size:0-3mm
Capacity:250t/h

Zambia 200TPH Granite Crushing Line

LineLocation:Zambia
Material:Granite
InputSize:Below 650mm
OutputSize:0-15mm,5-9mm,9-19mm,19-23mm
Capacity:200t/h

Customer Cases

Oman 300TPH Limestone Crushing Line

Russia 50TPH Granite/Dolomite Crushing Line

Russia 300-350TPH Granite Crushing Line

Congo 150TPH Granite Stationary Crushing Line

Jeddah 300TPH Marble Crushing Line

Kenya 30-50TPH Phonolite Crushing Line

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Contact Us

If you are still confused about this machine and eager to know other aspects about it, choose our online service please. You can also fill in the form and show us some basic information, and then we will contact you at your convenience. Thanks.

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