南芬选矿厂阴离子反浮选工艺试验研究  

Experimental Study on Anionic Reverse Flotation Process in Nanfen Concentrator

作　　者：肖启飞[1] 李庚辉[1] 牟景春 XIAO Qifei;LI Genghui;MOU Jingchun(Nanfen Concentrator,Benxi Iron&Steel(Group)Co.,Ltd.)

机构地区：[1]本溪钢铁(集团)有限责任公司南芬选矿厂

出　　处：《现代矿业》2022年第1期166-168,172,共4页Modern Mining

摘　　要：为研究南芬选矿厂尾矿再磨再选工艺,针对尾矿回收强磁精矿进行了阴离子反浮选条件试验,采用油酸钠为捕收剂、淀粉为抑制剂、氧化钙为活化剂、氢氧化钠为pH值调整剂,通过单因素试验,对药剂制度进行了优化试验。试验结果表明:综合考虑铁品位及铁回收率,确定在pH值为10、淀粉用量1650 g/t、氧化钙用量900 g/t、油酸钠用量1400 g/t的条件下,可获得铁品位42.88%、铁回收率71.47%的铁精矿。In order to study the regrinding and reconcentration process of tailings in Nanfen concen⁃trator,the anion reverse flotation condition test was carried out for the recovery of high intensity magnetic concentrate from tailings.Taking sodium oleate as collector,starch as inhibitor,calcium oxide as activator and sodium hydroxide as pH regulator,the reagent system was optimized through single factor test.The test results show that the iron concentrate with iron grade of 42.88%and iron recovery of 71.47%is obtained un⁃der the conditions of pH value of 10,starch dosage of 1650 g/t,calcium oxide dosage of 900 g/t and sodi⁃um oleate dosage of 1400 g/t.

关 键 词：强磁精矿 阴离子 反浮选 铁精矿 

分 类 号：TD926.4[矿业工程—选矿]