What is a Ball Mill? What is its Core Purpose?

The core purpose of a ball mill is size reduction. It grinds coarse feed material down to a much finer particle size required for processes like mineral liberation, flotation, or cement production.

Ball mills are essential in many industries, especially mineral processing. They take crushed ore, often measured in millimeters or centimeters, and grind it down to microns. This fine grinding is necessary to liberate valuable minerals locked within the waste rock (gangue). Once liberated, these minerals can be separated using methods like flotation or leaching. Ball mills are also widely used in cement plants to grind clinker and other additives into the final cement powder. They are robust machines designed for continuous, heavy-duty operation, handling large volumes of material effectively. Think of them as the workhorses that prepare materials for the next crucial steps in your process.

Ball Mill Types

According to the discharge method:

Overflow type ball mill: the slurry is discharged through the overflow port at the end of the cylinder, simple structure, suitable for fine grain grinding.
Lattice type ball mill: the cylinder end is equipped with lattice plate, forced discharge, the product size is coarse, the processing capacity is larger.

Different ball mill applicable materials

Wet ball mill: widely used in metal ore beneficiation, such as gold, chromium, tin, coltan, tantalite, silica sand, lead, pebbles and so on.
Dry ball mill: commonly used in cement, building stone (such as limestone, gypsum, etc.), electric power (such as coal powder preparation) and other industries.

Mill Production Line Design

Ball mills for sale

If you are interested in ball mill, please feel free to contact us! We will provide you with more than two solutions for you to choose from.

Grinding Media:

• Steel Balls: The most commonly used grinding media with good impact and grinding effect.
• Manganese balls: Good abrasion resistance, suitable for high hardness materials.
• Chrome Balls: Higher hardness and wear resistance.
• Ceramic balls: used in the strict requirements of iron pollution occasions, such as ceramics, medicine and other industries.

Commonly used ball sizes: Φ40mm, Φ60mm, Φ80mm, Φ100mm, Φ120mm (can be customized according to requirements).

Ball Mill Liner:

• Natural rubber liner: good elasticity, abrasion resistance and corrosion resistance, reduce noise.
• Manganese steel liner: high strength, good abrasion resistance, suitable for high impact working conditions.
• Customized thickness: 50-130mm, according to ball mill specifications and material characteristics.

Ball Mill Grinding Media

Mobile Ball Mill – Advantageous Products

ZONEDING Machine specializes in providing custom-designed mobile ball mills, offering unparalleled flexibility and efficiency for your on-site grinding needs. Unlike traditional, fixed-position ball mills, our mobile units are engineered for convenient transportation and usage across various locations. This means you can bring the processing power directly to your material, eliminating the costly and time-consuming process of transporting materials to a separate facility.

zongding hot sale ball mill

Ball mill structure and working principle

The ball mill consists of feeding part, discharging part, rotary part, transmission part (reducer, small transmission gear, motor, electric control) and other main parts. The hollow shaft is made of cast steel with removable lining, the large gear of rotary is hobbing processed by casting, and the cylinder body is embedded with wear-resistant lining plate, which has good abrasion resistance.

The material enters the cylinder through the feeding part and the feeding part. The grinding media (steel ball/ceramic ball) in the cylinder will generate centrifugal force with the material with the cylinder rotating, when the media is lifted to a certain height and then thrown down according to gravity, the material will be crushed under the impact of grinding media on the material, and the crushed material will be discharged out of the machine through the outlet with the help of the thrust of the feeding material and the flushing water to complete the whole grinding process.

Why ZONEDING Machine ball mills?

ZONEDING Machine is dedicated to providing efficient and reliable solutions. With over 20 years of ball mill technology experience, we produce durable and robust ball mills that deliver higher value at lower costs.

• High production capacity: Capable of continuous operation with a maximum capacity of up to 615 t/h, meeting large-scale production needs.
• Energy efficiency: Rolling bearings replace traditional sliding bearings, reducing energy consumption by 15%–20%.
• Durable parts: Liners and discharge grates use advanced casting and heat treatment techniques to minimize wear during operation.
• Flexible design: Choose between grid or overflow discharge ports, and a spiral forced feed device for increased feed capacity. Optional iron separators are available.
• Dry oil lubrication system: Large and small gears use dry oil spray lubrication, offering high efficiency, low oil consumption, compact design, and no oil leakage.
• Eco-friendly: The ball mill and classifier form a closed system with negative pressure conveying, reducing dust and making it suitable for handling toxic substances.
• Quality service: ZONEDING Machine offers ample parts supply, including large and small gears, steel balls, and bearings, minimizing maintenance and replacement time.

Customer Cases