提高某低品位混合型铁矿石回收率的选矿试验

金属矿山 ›› 2011, Vol. 40 ›› Issue (10): 96-98.

提高某低品位混合型铁矿石回收率的选矿试验

郭晗曙¹，李萍军²

1.太原钢铁（集团）有限公司矿业分公司峨口铁矿；2.江西省地质矿产勘查开发局赣西地质调查大队

出版日期:2011-10-11 发布日期:2011-10-12

Beneficiation Tests on Improving the Recovery of a Low-grade Mixing Iron Ore

Guo Hanshu¹，Li Pingjun²

1.E'kou Iron Mine, the Mining Company of Taiyuan Iron and Steel (Group) Co., Ltd.；2.Ganxi Geological Surveying Team, Jiangxi Bureau of Geology & Mineral Resources Exploration Development

Online:2011-10-11 Published:2011-10-12

摘要/Abstract

摘要： 新疆某铁矿选厂采用弱磁选—强磁选—重选工艺处理低品位混合型铁矿石，虽然铁精矿品位可达65%，但回收率仅50%左右。为此采用干式预选—弱磁选—强磁选—反浮选工艺对该矿石进行了旨在提高回收率的选矿试验。试验结果表明，干式预选可先抛弃占原矿约20%的废石，最终精矿铁品位为65.25%，回收率达69.28%，比现场生产指标提高了约19个百分点。

关键词: 低品位混合型铁矿石, 干式预选, 磁选, 反浮选

Abstract: The process of low intensity magnetic separation-high intensity magnetic separation-gravity separation was adopted to treat the low-grade mixing iron ore of Xinjiang Provicne, by which the iron concentrate grade reached 65%, but the recovery was only about 50%. Therefore, in order to improve the recovery, the beneficiation tests were carried out by the process of dry pre-concentration, low intensity magnetic separation-high intensity magnetic separation-reverse flotation. The test results showed that about 20% of the waste rocks were removed by the dry pre-concentration firstly. Then, the final concentrate graded at 65.25% with the recovery rate of 69.28%, which is higher by about 19% than that of on-site production.

Key words: Low-grade mixing iron ore, Dry concentration, Magnetic separation, Reverse flotation

郭晗曙, 李萍军. 提高某低品位混合型铁矿石回收率的选矿试验[J]. 金属矿山, 2011, 40(10): 96-98.

GUO Han-Shu, LI Ping-Jun. Beneficiation Tests on Improving the Recovery of a Low-grade Mixing Iron Ore[J]. Metal Mine, 2011, 40(10): 96-98.

[1]	苏建芳, 肖巧斌, 王中明, 谭欣, 刘方, 刘书杰, 凌石生, 路东明. 内蒙古某高硫高砷难处理铜铅锌矿石选矿工艺试验研究[J]. 金属矿山, 2020, 49(09): 104-110.
[2]	曹丽英, 刘文凯, 汪建新, 张逸, 任明明, 孔令辉. 新型干式磁选机分选品位影响因素试验研究[J]. 金属矿山, 2020, 49(09): 197-201.
[3]	邱廷省, 周丽萍, 李国栋. 铜冶炼渣直接还原焙烧—磁选回收铜、铁试验研究[J]. 金属矿山, 2020, 49(09): 202-207.
[4]	徐冬林, 陶东平, 吴中贤, 侯英 . 纳米气泡在鞍山式铁矿反浮选中效果探索[J]. 金属矿山, 2020, 49(08): 83-90.
[5]	王普蓉, 王举. 云南某低品位高泥氧化锡矿石选矿试验[J]. 金属矿山, 2020, 49(07): 83-88.
[6]	许丽敏, 陈俊明, 王丽娟, 钟森林, 王丰雨, 吴城材. ZQS周期式高梯度磁选机的优化与应用[J]. 金属矿山, 2020, 49(07): 187-192.
[7]	陈毅琳, 唐晓玲, 李艳军, 刘金长, 孙永升. 酒钢尾矿悬浮磁化焙烧扩大连续试验研究[J]. 金属矿山, 2020, 50(05): 178-184.
[8]	喻连香, 汤优优, 刘军, 陈雄. 含难分离赤铁矿的钛铁粗精矿选冶提质工艺研究[J]. 金属矿山, 2020, 50(05): 185-190.
[9]	姜文杰, 童雄, 谢贤, 康博文, 赵瑜. 钽铌矿的选矿技术综述[J]. 金属矿山, 2019, 48(11): 120-124.
[10]	陈中航. 基于Halbach永磁阵列的新型磁选机磁系设计及应用[J]. 金属矿山, 2019, 48(11): 151-154.
[11]	刘军, 牟景春, 李庚辉, 张永, 张春田. 南芬混合铁矿石的可磨性研究与选矿工艺优化[J]. 金属矿山, 2019, 48(09): 71-77.
[12]	李家林, 余永富, 陈雯, 刘小银, 陆晓苏, 张立刚, 彭泽友. 某含铬钛铁矿强磁粗精矿闪速焙烧试验研究[J]. 金属矿山, 2019, 48(08): 83-87.
[13]	骆洪振, 高春庆, 王海亮, 沈进杰. 某低品位坡洪积型钛铁矿石选矿工艺研究[J]. 金属矿山, 2019, 48(08): 88-92.
[14]	王丰雨, 杨招君1罗荣飞, 谭世国, 袁祥奕. 采用ZQS高梯度磁选机提高超细粒级(-38 μm)钛铁矿回收效果[J]. 金属矿山, 2019, 48(08): 93-97.
[15]	王英姿, 胡义明, 周永诚. 山西某磁选铁精矿浮选脱硫试验[J]. 金属矿山, 2019, 48(07): 70-74.