攀西某选厂选钛浮选动力学特性研究  

Titanium flotation dynamics study for a beneficiation plant in Panxi

作　　者：谭世国 樊学赛 蒋仁东 罗荣飞 Tan Shiguo;Fan Xuesai;Jiang Rendong;Luo Rongfei(Pangang Group Mining Co.,Ltd.,Panzhihua 617112,Sichuan,China;BGRIMM Machinery&Automation Technology Co.,Ltd.,Beijing 100160,China)

机构地区：[1]攀钢集团矿业有限公司,四川攀枝花617112 [2]北矿机电科技有限责任公司,北京100160

出　　处：《钢铁钒钛》2022年第2期21-24,共4页Iron Steel Vanadium Titanium

摘　　要：针对攀西某选厂粗粒浮选流程,研究了选钛浮选机的动力学特性。利用排水取气法对不同作业的浮选机的充气量和空气分散度进行了测试。结果表明:钛粗扫选充气量0.16~0.51 m^(3)/(m^(2)·min)。直流槽浮选机空气分散度明显优于吸浆槽浮选机。浮选机内矿化气泡从距溢流堰深度1000 mm运动到200 mm的过程中,携带的矿物品位几乎不变,气泡负载基本相当,说明粗选矿化气泡运动至距溢流堰深度1000 mm后比较稳定,矿物颗粒粘附在气泡上较难脱落。浮选机内存在较为明显的分层现象,即距溢流堰1500 mm以下矿浆浓度相差不大,随着距溢流堰深度减小,浓度明显下降。The paper studies the dynamics characteristics of flotation cells for a beneficiation plant in Panxi.Based on the method of collecting air via draining water,the air flowrate is 0.16~0.51 m^(3)/(m^(2)·min)for rougher and scavenger.The air dispersion of direct flow cell is better than that of the pumping cell.During mineralized bubbles transporting from 1000 mm towards 200 mm distance from the lip,the grade of mineral and bubble loading is almost same.It demonstrates that mineralized bubbles are stable after the mineralized bubbles transporting to 1000 mm and minerals are difficult to detach from the bubbles.The solid concentration exists layering in flotation cell.Deeper than 1500 mm from the lip,the solid concentration remains similar.With the distance decreasing,the solid concentration decreases sharply.

关 键 词：钛铁矿 浮选 空气分散度 气泡负载 浓度分布 

分 类 号：TD95[矿业工程—选矿] TF823[冶金工程—有色金属冶金]