Crusher is widely used in mining, smelting, building material, highway, railway, water conservancy and chemical industry and many other industries. Cone crusher crushing ratio, high efficiency, low energy consumption, uniform particle size, suitable for secondary and tertiary crushing of various ores, rocks. In the course of their work, the spindle fracture is a common fault…

Coal gangue is a solid waste produced in coal production and processing as well as one of the most quantity solid waste ejected. So far the coal gangue has piled and excess more than 4 billion ton with more than 0.1 billion ton/year increasing.