Cement is typically made from limestone and clay or shale. These raw materials are extracted from the quarry crushed to a very fine powder and then blended in the correct proportions. Cement production process typically involves:
For most of the twentieth century, the dry grinding circuits for the production of finished cement from cement clinker consist of two-compartment tube mills and the air separators. It is not uncommon to produce the cement in an open circuit.
The cement clinker grinding circuit reduces the feed from 80% passing size between 10 and 20 mm to 100% passing 90 microns. The size reduction takes place in a two- compartment tube mill; the first compartment of the mill is shorter than the second compartment. The coarse clinker is ground in the first compartment where larger balls (80, 60, 50 mm) are used and the fine grinding is done in the second compartment where smaller balls (below 25 mm) are used.
Our standard line of equipment for wet and dry cement grinding systems include complete range following mills. Each of the different types of grinding mills are available in a variety of sizes, drives and liner types and configurations to meet your demands on maximum productivity at highest availability.