Ore Dressing Subplant,manual operation is changed into automatic control system that regulates the overflow density of sorter.
分析八钢选矿分厂分级机的工艺流程的情况下 ,将调节分级机溢流浓度的手动操作改造成自动控制系统 。
Through improving graded closing grinding operation,regulating the system of floatation agent,reforming magnetic concentration operation,and making sure the graded overflow thickness and overflow fineness to meet the requirement of producing process the grade of concentrating iron ore is up to 65.
张马屯铁矿对生产工艺流程进行考查，查找硫铁精矿品位低、尾矿品位高的原因，通过改造闭路磨矿分级作业、调整浮选药剂制度、改造磁选作业，确保了分级溢流浓度和溢流细度满足工艺要求，提高了浮选作业效果，铁精矿品位达到６５。