Technical modification on raw coal prepared plant of Tashan coal preparation plant

In order to efficiently separate raw coal characterized by large amount of reject in Tashan coal preparation plant,technical modification on discharging chute of hand-picking belt and belt conveyor in raw coal prepared plant is made,at the same time upgrading large lump coal sizing screen aperture. The application shows that this modification can not only reach reverse hand cleaning well,making raw coal equably distribute on sizing screen deck without any stack,but also lower labor of workers and wear of crusher,with a high efficiency of hand picking accurately.