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.

Counterattack broken main components are fixed jaw and movable jaw plate, at the time of work mainly by the motor drive belt and pulley, through the eccentric shaft to move up and down movement of hubei, change size, Angle between bracket and hubei hubei near when the plate rack teeth, the crushed material, when tooth…