Ball Mill in Cement Industry

ball mill for cement plant

Weight: 14-370 tons
Output: 1.5-110 tons/hour
Power: 55-3550 kW
Advantages: Fully automatic, high efficiency, etc.

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What is a Cement Ball Mill?

A cement ball mill is a type of cement grinding machine, also known as a cement grinder. It is primarily used in cement plants for grinding clinker and raw materials, and can also be employed in metallurgical, chemical, and power industries for grinding various ores. It features strong adaptability to materials, continuous production capability, a high crushing ratio, and easy adjustment of the fineness of the ground product.
The interior of a cement ball mill contains the material to be ground and grinding media. Grinding media vary in material, including ceramic balls and stainless steel balls. Suitable for both dry and wet cement production lines, it enables simultaneous grinding and drying, making it a crucial piece of equipment in cement grinding.

Cement Ball Mill Structure

The cement ball mill primarily consists of the feeding section, discharging section, rotating section, and transmission section (reduction gearbox, pinion gear, motor, and electrical control system).

Cement Ball Mill Schematic Diagram(process)

Working Principle of Cement Ball Mill

Material is uniformly fed into the first compartment of the mill through the feed hollow shaft via the feeding device. The first compartment is lined with stepped or corrugated liners and contains steel balls of various sizes. The cylinder rotates approximately every few seconds. The centrifugal force generated during rotation carries the steel balls to a certain height before they fall, and this impact force grinds the material. After coarse grinding in the first compartment, the material passes through a single-layer partition plate into the second compartment. The second compartment is lined with flat liners and contains steel balls for further grinding. The ground powdered material is discharged through the discharge device.

Cement Ball Mill Maintenance

• Replace lubricating oil at specified intervals. For newly installed mills, completely replace the lubricating oil at the main bearings after one month of operation.
• Regularly inspect the quality and quantity of lubricating oil, remove impurities from the oil, and replenish as needed.
• Continuously monitor temperature changes in the main bearings and hollow shaft.
• Monitor for abnormal vibrations or noises during equipment operation.
• Frequently inspect wear on liners in all sections and replace promptly.
• Check machine seals and ensure bolts are not loose.

How to Choose the Right Cement Ball Mill for Your Production?

With numerous models available on the market, you need to consider the following key factors:

• Production Capacity: Choose the appropriate model and specifications based on your average daily output requirements.
• Material Properties: Consider the hardness, moisture content, and particle size requirements of your raw materials.
• Automation Level: Modern ball mills are equipped with advanced PLC control systems enabling full-process monitoring.
• After-Sales Service: Choosing a supplier that offers on-site maintenance is crucial.

Conclusion

Chunlei Machinery is one of China’s leading manufacturers of cement ball mills, offering high-quality ball mill equipment.

If you are interested in ball mills or have any inquiries, please contact us—we are available 24 hours a day to address your questions.