The mineral processing technology characteristics of middle and small size concentrators for Iron ore separation in Handan-Xintai area,south Hebei province

Two-stage crushing and jaw crusher are used in the technological process in middle and small size concentrators in Handan-Xintai area,south Hebei province.The maximum partical size of crushed product is not less than 50mm.Dry magnetic separation is used in the crushing stage.Open or closed circuit grinding,one-stage or two-stage grinding,as well as middle and small type ball mills are used in grinding stage.High frequency fine screen and mechanical classifier are the most commom used classifier.Two-stage or three-stage magnetic separation with permanent drum magnetic separators is used in the technological process.Separation directly and stage grinding & separation are the separation process.Vaccum filter or subside pool is widely adopted in concentrate dewatering progress.Tailing dosposal methods are as follows:discharge directly,discharge after concentrate with hydrocyclone and storage after concentrate and screening.There is a broad developing space on mineral processing technology of middle and small size concentrator in Handan-Xintai area,South Hebei province.