Main device comprised feeding unit, weak magnetic roller, drive part, material conveying apparatus, magnetic disc, electromagnetic system, frame and others. The electric control section consists of components of control, voltage regulation, rectification, instrument and so on. It features compact structure, stable performance, easy installation and convenient operation and maintenance, this disc type dry belt magnetic separator has 3 types: 1 pc disc, 2 pcs disc, and 3 pcs disc. The following structure is showing the 2pcs disc dry magnetic separator. The moisture of the feeding material should be under 1%.