... to offer stand-alone, parallel connection machine or machine series in such specs as Φ50, Φ75, Φ100, Φ125, Φ ... Φ500 and Φ660.Fine sand, less than 37μm, in gangue can not be used as dam materials during selecting ... After the classification by cyclone, coarse granule left in the bottom of dam, fine granule move to ... can be used for calling back of water. In the process of filling tail, we utilize cyclone ...