Dry Ball Mill Introduction

Advantages and characteristics
1. The dry ball mill has strong material adaptability, can be produced continuously, and is easy to adjust the fineness of the grinding product;

2. The discharge port adopts a straight cylindrical design and is equipped with an air induction device, which has a good dust removal effect;

3. It can be used for open-flow grinding and also for circulating grinding composed of a powder selector;

4. You can choose an overflow dry ball mill or a grid dry ball mill according to the material and the discharge method;

6. It can be divided into left-handed and right-handed according to the process;

7. The dry ball mill has a simple structure and is easy to maintain. The hollow shaft uses cast steel parts, and the lining is more convenient to replace.

Note: The moisture content of the dry ball mill feed should not be too high, otherwise the material is easy to stick, resulting in poor discharge.

Working Principle
The material is fed into the first chamber of the mill evenly through the feeding device and the hollow shaft spiral. There are stepped linings or corrugated linings in the chamber, which are filled with steel balls of different specifications. The centrifugal force generated by the rotation of the cylinder brings the steel balls to a certain height and then falls, which produces a heavy impact and grinding effect on the material. After the material is coarsely ground in the first chamber, it enters the second chamber through a single-layer partition plate. The chamber is inlaid with a flat lining plate and contains steel balls to further grind the material. The powder is discharged through the discharge grate plate to complete the grinding operation.

Application Scope
Dry ball mills are mainly used for grinding finished products and raw materials in cement plants. They are also suitable for grinding various ores and other grindable materials in metallurgy, chemical industry, power, etc. The material must be dry. It is suitable for cement, silicate products, new building materials, refractory materials, fertilizers, ferrous and non-ferrous metal beneficiation, glass and ceramics and other production industries.