高效抑制剂在微细粒锡石浮选工艺中的试验研究  

Experimental study on high-efficiency inhibitor in flotationprocess of fine-grained tin-stone

作　　者：莫峰[1,2] 谢贤 童雄[1] 欧乐明[3] 兰希雄[4] MO Feng;XIE Xian;TONG Xiong;OU Le-ming;LAN Xi-xiong(Faculty of Land Resource Engineering,Kunming University of Science and Technology,Kunming 650093,China;Yunnan Tin Industry Co Ltd Datun Tin Mine,Honghe 654400,Yunnan,China;School of Mineral Processing and Bioengineering,Central South of University,Changsha 410083,China;Yunnan Hualian Zinc&Indium Stock Co.Ltd.,Wenshan 663701,Yunnan,China)

机构地区：[1]昆明理工大学国土资源工程学院,昆明650093 [2]云南锡业股份有限公司大屯锡矿,云南红河654400 [3]中南大学资源与生物工程学院,长沙410083 [4]云南华联锌铟股份有限公司,云南文山663701

出　　处：《矿冶》2021年第4期41-46,共6页Mining And Metallurgy

摘　　要：都龙锌锡多金属矿中锡石嵌布粒度细、含泥量高,属于难回收的锡石资源。为了提高细粒锡石资源的综合利用率,研究采用脱泥—浮选工艺,筛选出高效抑制剂OL-1C,有效改变了锡石浮选给矿中镁质脉石和矿泥的可浮性,降低其进入浮选精矿的几率,较好地解决了细粒锡石浮选精矿品位偏低、含泥量大等问题,显著提高了锡石浮选精矿品位和回收率。通过添加高效抑制剂OL-1C 20 g/t,锡石浮选精矿中Sn品位提高了2.54个百分点,回收率提高了0.74个百分点。The cassiterite in Dulong zinc tin polymetallic ore is a kind of refractory cassiterite resource with tine disseminated grain size and high mud content.In order to improve the comprehensive utilization rate of fine-grain cassiterite resources,this experiment used a process of desilting-flotation and the high efficient inhibitor OL-1C,which significantly changed the flotability of magnesia gangue and sludge in the feeding,reduced their chance of entering the concentrate,and strikingly improved the grade and recovery rate of cassiterite flotation concentrate.By adding the high-efficiency inhibitor OL-1C with 20 g/t,the grade of Sn in concentrate and recovery increased by 2.54 percentage points and 0.74 percentage points respectively.

关 键 词：微细粒 锡石浮选 抑制剂 精矿品位 

分 类 号：TD923[矿业工程—选矿]