Coal gangue is a kind of solid waste in the process of ultrafine vertical mill and coal washing. It is a kind of black-gray rock with lower carbon content and harder than coal that is associated with coal seams during coal formation. my country is a big coal country, and the dumping and accumulation of coal gangue wastes a lot of usable resources and damages the environment. Moreover, in fact, coal gangue contains business opportunities for secondary utilization.

After the coal gangue is crushed by the crusher, it enters the coal gangue ultrafine vertical mill and then performs grinding operation to improve the comprehensive utilization rate of its resources. 

This is a new direction for the development of coal gangue in my country under the new national policy situation. After the coal gangue is superfinely ground, it not only realizes the comprehensive utilization of resources, but also protects the environment, and the investment prospects are broad!