悬振锥面选矿机分选除尘灰尾矿试验研究  

Experimental Study on Separation of Iron from Dust Ash Flotation Tailings with Suspension Vibration Cone Separator

作　　者：牛福生 刘亚[1] 张晋霞 Niu Fusheng;Liu Ya;zhang Jinxia(College of Mining Engineering,Hebei United University,Tangshan,Hebei,China;Hebei Province Mining Industry Develops with Safe Technology Priority Laboratory,Tangshan,Hebei,China)

机构地区：[1]华北理工大学矿业工程学院,河北唐山063009 [2]河北省矿业开发与安全技术重点实验室,河北唐山063009

出　　处：《矿产综合利用》2018年第4期75-78,共4页Multipurpose Utilization of Mineral Resources

基　　金：河北省自然科学基金资助项目(E2015209117);河北省科技厅项目(15213812)

摘　　要：钢铁冶炼过程中产生的除尘灰,含有大量的铁、碳和锌,具有较高的回收价值。本文采用新型细粒重选设备悬振锥面选矿机,对河北某钢厂除尘灰浮选尾矿进行选铁试验研究。试验结果表明:在矿浆浓度22%、分选面转动周期120 s/r、分选面振动频率360次/min、洗涤流速0.9m^3/h以及处理量0.25 t/h的最佳条件下,得到了品位为60.56%,回收率为45.04%的铁精矿,取得了较好的分选指标。Great number of dust were generated in the process of steel smelting, containing large amounts of iron, carbon and zinc, with a high recovery value. In this paper, we use a new type of fine-gravitational re-election equipment, suspension vibration cone separator, to select the iron ore from dust ash flotation tailings in a certain steel mill of Hebei province. The test results showed that under the optimum condition of ore concentration was 22%, rotation period reached 120 s/r, vibration frequency reached 360 times/min, flushing water flow rate was 0.9 m3/h and treatment capacity was 0.25 t/h, the iron concentrate with grade of 60.56% and recovery of 45.04% was obtained, which achieved a good separation index.

关 键 词：除尘灰 浮选 碳 悬振锥面选矿机 

分 类 号：TD951[矿业工程—选矿]