Ore Processing

Ball Mill

Ball mill is a common grinding equipment, but also an important core equipment in mineral processing operations. Ball mills are suitable for grinding various ores and other materials.  They are widely used in mineral processing, building materials and chemical industries.  

Capacity: 1-80 t/h

Feeding Size: ≤20-25 mm

Discharging size:0.074-0.89 mm

Power: 18.5-430 kW

Weight: 4.6-102 Tons

Ball load: 1.5-48 Tons

Description

Ball mill is a key equipment for crushing materials after they are broken. This type of grinding mill is a mill that is loaded with a certain number of steel balls as grinding media. Ball mills are suitable for grinding various ores and other materials. They are widely used in mineral processing, building materials and chemical industries. They can be divided into two types of grinding methods: dry type and wet type. According to different discharge methods, they can be divided into two types: grid type and overflow type.
Ball Mill

Features

High performance

A new type of ball mill designed according to a new concept, using special rolling bearings as the support structure of the cylinder body.

Easy maintenance

Made of high wear-resistant materials, with a long maintenance cycle and cost savings.

Diversification of use

cement ball mill, cone ball mill, energy-saving ball mill, ceramic ball mill, intermittent ball mill, overflow ball mill, grid ball mill

Low failure rate

excellent product quality, reliable and durable, reducing customer operating and maintenance costs

Working Principle

Ball Mill

A ball mill grinds materials through the rotation of a cylindrical drum loaded with grinding media, such as steel balls. The material enters the mill through the feeding device and moves into the grinding chamber.

As the cylinder rotates, the grinding media are lifted to a certain height and then fall or roll back down. During this process, the material is crushed and ground by impact, extrusion, and friction between the steel balls, liners, and the inner surface of the drum.

The liners inside the mill help protect the cylinder body and improve the movement of the grinding media. According to the material type, feed size, required fineness, and grinding process, different liner structures and steel ball sizes can be selected to improve grinding efficiency.

After continuous grinding, the material becomes finer and moves toward the discharge end. Depending on the mill structure, the finished material can be discharged through a grate plate or through an overflow discharge system. In wet grinding applications, the ground material is usually discharged as slurry and then enters the next process, such as classification, flotation, magnetic separation, or other beneficiation steps.

The ball mill is widely used for mineral processing, cement, silicate materials, chemical raw materials, and other grinding applications. It is suitable for both dry and wet grinding and can provide stable grinding performance for different production requirements.

Techspecs

Main Technical Parameters

ModelRotate Speed (r/min)Ball Weight (t)Feedstock Size (mm)Discharge Size (mm)Capacity (t/h)Motor Power (kw)Weight (t)
φ900×180036-381.5≤200.075-0.890.65-218.54.6
φ900×3000362.7≤200.075-0.891.1-3.5225.6
φ1200×2400363≤250.075-0.61.5-4.83012
φ1200×3000363.5≤250.074-0.41.6-53712.8
φ1200×450032.45≤250.074-0.41.6-5.85513.8
φ1500×300029.77.5≤250.074-0.42-57515.6
φ1500×45002711≤250.074-0.43-69021
φ1500×57002812≤250.074-0.43.5-613024.7
φ1830×300025.411≤250.074-0.44-1013028
φ1830×450025.415≤250.074-0.44.5-1215532
φ1830×640024.121≤250.074-0.46.5-1518034
φ1830×700024.123≤250.074-0.47.5-1721036

Application & Case

Ball mills are versatile grinding equipment widely applied in multiple industrial sectors. Here are the key application fields and processed materials:

1. Industrial Applications:

Mining & Metallurgy: 

  - Ore processing (iron, copper, gold, zinc)

  - Coal pulverization

  - Precious metal extraction

Cement Industry:

  - Clinker grinding

  - Limestone/gypsum processing

Ceramics & Glass:

  - Raw material preparation (feldspar, quartz, clay)

  - Glaze production

Chemical Industry:

  - Fertilizer manufacturing

  - Pigment dispersion

  - Explosives processing

Power Generation:

  - Coal pulverization for thermal plants

  - Fly ash grinding

Advanced Materials:

  - Nanomaterial synthesis

  - Battery material processing (cathode/anode powders)

2. Processed Materials:

-Metallic Substances: Iron ore, copper concentrate, aluminum powder

- Non-Metallic Minerals: Limestone, silica sand, marble, granite

- Industrial Compounds: Cement clinker, slag, ceramics raw mix

- Chemical Products: Pesticides, dyes, carbon black

- Energy Materials:Coal, petroleum coke, biomass

- Recyclables: Electronic waste, construction debris

- Specialty Materials:Pharmaceuticals, food additives (GMP-compliant models)

Technical Advantages:  

- Dry/wet grinding modes  

- Closed-circuit grinding systems  

- Ultrafine grinding (<10μm)  

- High-hardness material processing  

- Contamination-sensitive applications (ceramic-lined models)

- Modern ball mills integrate IoT monitoring and adjustable rotation speeds (15-30 RPM) to meet diverse industrial requirements from coarse grinding to nanoparticle production.

FAQ

Choosing the right ball mill depends on factors such as material type, desired particle size, yield and operating conditions. Consider the hardness and attrition of the raw material, the desired output fineness (for example, coarse or ultra-fine grinding), and whether wet or dry grinding is required. You can provide us with detailed project requirements, and we will let professional engineers design and assemble a complete production line for you.
You will need to maintain equipment regularly, including lubricating bearings and gears, checking bushings and grinding media for wear, and checking calibrated belt tension. Clean the mill regularly to prevent material accumulation. Replace worn parts in a timely manner to avoid downtime. We will provide you with a maintenance schedule, follow these guidelines, and perform daily vibration and temperature monitoring for optimal performance.
Energy efficiency varies by design and application. Modern ball mills often have optimized drive systems (e.g., gearless or variable frequency drives) and advanced bushings to reduce power consumption. Efficiency also depends on operating parameters such as speed and material load. Get in touch with our engineers and we'll design energy saving solutions for you to minimize your operating costs.
We have a complete package of after-sales support, including remote installation guidance, sending engineers to the local installation and operator training, troubleshooting and technical support. At the same time, we provide sales of all wear parts, and can also provide design drawings of wearing parts to facilitate your local purchase or production. We will do our utmost to avoid extended downtime during replacement to ensure your productivity

Customize large scale mining equipment with affordable cost

STCrushers provides high quality and reliable mining equipment customize manufacturing service for global customers, we design the production line according to the needs of the customer's processed materials and output, and realize fully automatic production from feed to discharge.

20 years of experience


We have more than 20 years of experience in the production of large mining equipment.


Professional production and R&D team

We have an experienced production line design team to meet the processing needs of different materials.

Advanced production facilities

We have two large workshops, a variety of processing equipment and machine tools.


Competitive prices


The company strives to provide customers with preferential prices and payment methods to meet customer needs.

Send an Inquiry

If you are looking for mining equipment such as stone crushers, ball mills, rotary dryer, rotary kiln and other equipment, feel free to contact us and our team will reply within 48 hours.

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Gongyi City, Henan Province, China

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