武汉工程大学学报2017，Vol.39Issue(5)：482-487,6.DOI:10.3969/j.issn.1674-2869.2017.05.014
周期式高梯度磁选机磁系磁场的分析与应用
Research and Application of Magnetic Field for Periodic High Gradient Magnetic Separator
摘要
Abstract
Magnetic induction intensity of the radial axis and 0.15 m from the axis of the coil in periodic high gradient magnetic separator were calculated at an excitation current of 200 A. The influences of shielded iron armor on magnetic field characteristics of the coil were analyzed by ANSYS finite element analysis software as well. Simultaneously,kaolin magnetic separation and iron removal experiment were carried out. The results showed that axial magnetic induction intensity around 0.1 m of the coil center was in a uniform magnetic field of 0.326 T,and the magnetic induction decreased significantly with the distance from center increasing. The magnetic induction of the site of 0.15 m around the axis was very small in the radial direction,and the maximum value of that was 0.064 T by the end effect. The magnetic induction of the uniform magnetic field in the coil center might increase to 0.95 T after an armored iron and a magnetic pole in the solenoid coil were installed. When the background magnetic induction intensity was 1.1 T at pulp flow rate of 0.7 cm/s,the mass fraction of Fe2O3 in kaolin reduced from 1.35% to 0.63%,and the whiteness of it increased from 68% to 89% by one magnetic separation only.关键词
磁选机/螺线管线圈/磁场特性/仿真/磁分离Key words
magnetic separator/solenoid coil/magnetic field characteristic/simulation/magnetic separation分类
矿业与冶金引用本文复制引用
陈志友,石晴,冯其明..周期式高梯度磁选机磁系磁场的分析与应用[J].武汉工程大学学报,2017,39(5):482-487,6.基金项目
国家重点基础研究发展计划"973"项目(2014cb643400) （2014cb643400）
