Ore Crushing

Ore crushing is the process of breaking, splitting, extrusion, impacting, and grinding of large solid ore with external force to reduce the particle size of large ore materials. Ore crushing provides suitable particle size of material for subsequent ore grinding, beneficiation or smelting, which is the preparation process before beneficiation or smelting. It is widely used in the basic industries of national economy such as metal ore beneficiation, metallurgy, chemical industry, building materials, coal, thermal power generation, and so on.

In the early stage of human using mineral resources, in order to break the drawn ore, people used simple crushing or hammering and then gradually developed crushing equipment. In 1858, American E.W. Black designed the first jaw crusher and then designed the double roll crusher. At the beginning of the twentieth century, cone crusher and gyratory crusher appeared. In the second half of the twentieth century, ore crushing technology developed rapidly...