What is Ball Mill?
Ball mill grinding equipment is an important machine widely used in many industries, mainly used for crushing and grinding materials. Its core part is a horizontal cylinder with grinding bodies (such as steel balls) inside. When the cylinder rotates, the grinding bodies collide and rub with the materials under the action of inertia and centrifugal force, thereby grinding the materials.
According to the grinding method, ball mills can be divided into dry and wet types; according to the discharge method, they can be divided into grid type and overflow type; according to the shape of the cylinder, they can be divided into short-cylinder ball mills, long-cylinder ball mills, tube mills, and cone mills.
Application scenarios of ball mill
Mining: In the beneficiation and ore grinding of metal ores and non-metallic ores, ball mills can efficiently grind raw materials into the required particle size to meet the needs of industries such as metallurgy and building materials.
Cement industry: Ball mills play a key role in cement production. They can grind raw materials into suitable cement powder and provide stable and high-quality raw materials for cement production.
Metallurgical industry: Ball mills are also used to grind ores, mineral processing tailings, and other materials, providing high-quality raw materials for the metallurgical industry.
Ball Mill Product features
High grinding efficiency: Especially suitable for grinding materials with high hardness and high viscosity, the product fineness can reach the submicron level.
Wide range of use: Can be used to grind a variety of materials, such as magnetic materials, inorganic non-metallic materials, organic chemical materials, etc.
Simple maintenance: Simple structure, easy to use, only need to pay attention to the addition of materials and daily maintenance of equipment.
High precision: Can achieve fine grinding of materials, and high precision of the grinding process.
Working principle
Technical Parameters
| Model | Cylinder Rotating Speed (r/min) | Ball weight (t) | Feeding Size (mm) | Discharging Size (mm) | Capacity (t/h) | Power (kw) |
| 900×1800 | 38 | 1.5 | ≤20 | 0.075-0.89 | 0.65-2 | 18.5 |
| 900×3000 | 38 | 2.7 | ≤20 | 0.075-0.89 | 1.1-3.5 | 22 |
| 1200×2400 | 35 | 4.6 | ≤25 | 0.075-0.6 | 1.6-5.8 | 37 |
| 1200×4500 | 35 | 5.5 | ≤25 | 0.074-0.4 | 1.6-5.8 | 55 |
| 1500×3000 | 29 | 9 | ≤25 | 0.074-0.4 | 2-7 | 75 |
| 1500×5700 | 29 | 17 | ≤25 | 0.074-0.4 | 3.5-6 | 110-130 |
| 1830×4500 | 25.4 | 15 | ≤25 | 0.074-0.4 | 4.5-12 | 155 |
| 1830×6400 | 24.1 | 21 | ≤25 | 0.074-0.4 | 6.5-15 | 210 |
| 1830×7000 | 24.1 | 23 | ≤25 | 0.074-0.4 | 7.5-17 | 245 |
| 2100×4500 | 23.7 | 24 | ≤25 | 0.074-0.4 | 8-43 | 245 |
| 2100×7000 | 23.7 | 26 | ≤25 | 0.074-0.4 | 8-48 | 280 |
| 2200×4500 | 21.5 | 27 | ≤25 | 0.074-0.4 | 9-45 | 280 |
| 2200×6500 | 21.7 | 35 | ≤25 | 0.074-0.4 | 14-26 | 380 |
| 2200×7000 | 21.7 | 35 | ≤25 | 0.074-0.4 | 15-28 | 380 |
| 2400×3000 | 21 | 23 | ≤25 | 0.074-0.4 | 30-50 | 245 |
| 2400×4500 | 21 | 30 | ≤25 | 0.074-0.4 | 40-60 | 320 |
| 2700×3600 | 20.7 | 40 | ≤25 | 0.074-0.4 | 45-80 | 430 |
| 2700×4500 | 20.7 | 48 | ≤25 | 0.074-0.4 | 50-90 | 430 |
| 2700×13000 | 20.7 | 60 | ≤25 | 0.074-0.4 | 50-90 | 630 |
| 3200×4500 | 18 | 65 | ≤25 | 0.074-0.4 | 800 |
The grinding drum liner is a protective layer covering the inner wall of the grinding drum of the ball mill to protect the grinding drum from wear and chemical corrosion of the grinding balls; it is usually made of wear-resistant and corrosion-resistant materials, such as high-chromium alloy steel, rubber or polyurethane.
Grinding balls are usually made of steel balls or ceramic balls, and their size and material selection are determined according to the hardness of the material and the grinding requirements. The general diameter is between 20-125mm, and the super-large ball mill can reach 130-150mm.
There are many kinds of accessories for ball mills, each of which carries specific functions and roles, which together ensure the normal operation and efficient grinding of the ball mill. When purchasing and using accessories, they should be reasonably selected and configured according to the specific model and operation requirements of the ball mill.
Placer gold ore - gravity separation process
The gravity separation process of placer gold ore is a key link in the process of placer gold ore beneficiation. It is mainly used to separate gold ore particles from other mineral particles by gravity difference.
Gravity separation is a technology that uses the weight difference between gold ore particles and other mineral particles to separate gold ore particles by gravity separation. In placer gold ore, since gold usually exists in the form of monomer natural gold and its density is much greater than that of other minerals, gravity separation is the most important, effective and economical method for selecting placer gold ore.
Rock gold ore - flotation separation gold process
The flotation separation process of rock gold ore is a complex and delicate process, mainly involving multiple links such as crushing, grinding, and flotation.
Commonly used crushing equipment includes jaw crushers and cone crushers. Jaw crushers are suitable for coarse crushing and have strong processing capacity and durability; cone crushers are used for fine crushing and can crush ore to finer particle sizes.
There are two main types of equipment in the grinding stage: ball mills and rod mills. Ball mills are suitable for grinding fine particles and can effectively improve the degree of metal dissociation; rod mills perform well when grinding coarse particles and reduce over-grinding.
Flotation principle: When flotating high-density and coarse-grained minerals, a thicker pulp is often used; conversely, when flotating low-density, fine-grained, and slimy minerals, a thinner pulp is used. Using a thicker pulp for coarse selection can ensure a higher recovery rate; using a thinner concentration for fine selection is conducive to improving the quality of the concentrate.
Perfect after-sales service
Heavy Industry provides professional on-site guidance for installation, training of workers, and other services to ensure that customers can use the equipment smoothly.
The company has a complete after-sales service system, which can provide customers with timely technical support and equipment maintenance services to ensure the long-term stable operation of the equipment.
To prevent the rights and interests of customers from being infringed, Heavy Industry reminds customers: please contact
All our products are strictly manufactured according to ISO/CE standards, affordable, and of unmatched quality. We focus on product quality and will take responsibility for any defects. OEM/ODM services are available. We have rich experience in export and project management and can 100% ensure the safety of your order.
About Customer Visits
Machinery's equipment has been exported to more than 150 countries around the world. This global business layout requires Baichen Heavy Industry to frequently communicate and exchange with customers from all over the world; visiting customers may include potential customers, existing customers, and partners.
Machinery attaches great importance to customer visits and has formulated a complete reception process and standards for this purpose. The company has a professional reception team responsible for receiving visiting customers, arranging itineraries, and providing explanations and demonstrations.
1. Are you manufacture or trading company?
We are factory, established in 2003.
2. How long is your delivery time?
7-10 days for the stock, 15-30 days for the mass production.
3. What is your payment method?
30% deposit in T/T advance, 70% balance before shipment.
4. How long is the warranty? Does your company supply the spare parts?
One year. Spare parts for you at lowest cost.
5. If I need the complete crushing plant can you help us to build it?
Yes, we can help you set up a complete
Certifications & compliance
CE(2)
Complies with EU standards
2006/42/EC(4)
EU Machinery Compliance
