The Role of Coarse Grinding Equipment

The function of coarse grinding equipment is to make materials with a certain grain size of products to meet various process requirements of the process. Specific performance is as follows:

1. increase in specific surface area
The surface area is the surface area per unit mass or volume of materials, the smaller the particle size of the material the greater the specific surface area is. Increase in material than the surface area allows the contact area with the surrounding medium increases, thereby increasing the speed of response. For example, the grinding of cement clinker and gypsum in the cement industry, pulverized coal in pulverized coal injection for steelmaking grinding and so on.

2. Homogenization
A variety of solid materials are mixed, or a mixture of solid materials and liquid materials, solid materials only in the powder state in order to get a good homogenization. Such as solid materials for fillers or additives with: tire inside of the carbon black, calcium carbonate of the plastic inside the cosmetics inside the talcum powder and so on.

3. Particle size classification
In industrial production, due to the specific requirements of production process, there are stringent requirements to solid material size. So, there is a need to choose a reasonable grinding equipment to meet the particle size.

4. The preparation for the next step of raw materials use or convenient use.