1. Introduction
Ball mill is one type of key machinery for grinding materials after they are crushed. Ball mill is suitable for grinding various ores and other materials. In order to optimize grinding process and improve grinding efficiency, it is necessary to select suitable ball size. The following are the main factors:
2. Considerations for selecting ball size
2.1. Hardness of material
The hardness of the material directly affects the choice of ball size. Harder material usually requires larger balls, in order to generate larger impact energy for effective grinding, while softer material usually needs smaller balls.
2.2. Material size
When material size is large, in order to provide enough impact force to grind the material, larger balls should be selected. On the contrary, if material size is small, in order to further improve the grinding efficiency and powder fineness, smaller balls should be selected.
2.3. Mill type
Different types of mills require different ball sizes. Industrial mills can accommodate larger balls (up to 100 mm or larger), which are necessary to process larger volumes of material.
2.4. Diameter and speed of ball mill
The diameter and speed of ball mill will also affect ball size. Larger ball mills usually require larger balls, while smaller balls are more suitable when the speed is higher, because smaller balls can better disperse and grind materials during high-speed rotation.
3. Conclusion
As mentioned above, there are many factors that affect ball size. In actual operation, it is necessary to comprehensively consider various factors based on actual situation, and select appropriate balls to improve production efficiency.
Qingdao Epic Powder Machinery Co., Ltd. is a manufacturer specializing in the production of powder machinery.
Our main products include:
–Mills: ball mill, moinho de rolos, air classifier mill(ACM), turbo mill and impact mill, etc.
–Classifiers: four series of air classifiers: HTS, ITC, MBS, CTC.
–Modifiers: pin-mill modifier, turbo-mill modifier and three-roller-mill modifier, etc.
–Auxiliary equipment: control cabinet, dust collector and bucket elevator, etc.
-Customers can customize products according to actual needs. One customer, one design.
If you have relevant needs or questions for ball mill or other products, please feel free to contact Qingdao Epic, our staff is always ready to serve you.
Below are photos from Qingdao Epic for your reference.
