magnetic separation of iron and phosphorus mention the drawbacks of high-phosphorus iron ore are mainly distributed in Yunnan, Sichuan, Hubei, Hunan, Anhui, Jiangsu and Inner Mongolia, north China's Yangtze River basin, mainly in the phosphorus in the iron ore apatite, followed by phosphorus as well as aluminum phosphate rock and turbot strontium alum. Because of diminishing quality iron ore resources, the demand for iron ore has risen steadily, so take advantage of a variety of lean, miscellaneous iron ore is crucial. Phosphorus is one of the main iron and steel smelting process of harmful elements Sand Making Machine, seriously affecting the steelmaking process and just product quality. Due to the high phosphorus iron ore dephosphorization it can be used in steel smelting, and mineral processing technology and high-phosphorus iron ore beneficiation costs Dephosphorization supply has yet to meet the requirements of the application, resulting in high phosphorous iron ore without adequate use. So High phosphorus iron ore mention phosphorus removal technology, the development of the national economy has a very important significance. The presence of magnetic separation to phosphorus application in the industry at present the following issues: 1) When Dephosphorizing by magnetic separation, magnetic devices prone to clogging. There are two main reasons: First, some of the chemical components of the water cycle caused by strong magnetic separator corrosion, medium rough surface is easy card ore; second sieve slag slag poor results, a number of large particles into the magnetic ore sorter causing blockage. 2) low phosphorus, iron loss volume, low recovery. Dephosphorizing from magnetic separation process, on one hand because of the high gradient magnetic separator magnetic field gradient formed selected media itself is not big enough, plus the jam wear and sorting space, so sorting conditions deteriorate, leading to concentrate quality fall, tailings grade increased...