【作者】 余永富； 朱超英；

【Author】 YU Yongfu ZHU Chaoying (Changsha Research Institute of Mineral and Metallurgy)

【机构】 长沙矿冶研究院；

【摘要】 阐述了我国复合铁矿石选矿技术的发展趋势,介绍了处理磁铁矿-赤铁矿（菱铁矿）型复合铁矿石的弱磁选 强磁选-浮选（重选）工艺流程以及处理多金属型复合铁矿石的选矿工艺和浮选药剂,并提出了我国复合铁矿石选矿中存在的问题及今后的研究方向。更多还原

【Abstract】 This paper describes the developing tendency of mineral concentration for complex iron ore introduces the technological flow sheet of weak magnetic separation-intense magnetic separation-flotation (gravity separation) dealing with complex iron ore of magnetic-hematite and concentrating technology and flotation agents. The problems and future study trend for mineral concentration of complex multi-metal iron ore are put out.更多还原