HYIC捕收剂强化鞍千混合磁选精矿反浮选效果试验  

Experiment on Reverse Flotation Effect of Anqian Mixed Magnetic Concentrate Enhanced by HYIC Collector

作　　者：范喜杰[1] 王子扬 钮展良 徐冬林[1] 侯英 吴前锋 盖壮[1] FAN Xijie;WANG Ziyang;NIU Zhanliang;XU Donglin;HOU Ying;WU Qianfeng;GAI Zhuang(Anqian Mining Co.,Ltd.,Anshan Iron and Steel Group;School of Mining Engineering,University of Science and Technology Liaoning;Qidashan Concentrator,Anshan Iron and Steel Group Co.,Ltd.)

机构地区：[1]鞍钢集团鞍千矿业有限责任公司 [2]辽宁科技大学矿业工程学院 [3]鞍山钢铁集团有限公司齐大山选矿厂

出　　处：《现代矿业》2024年第1期148-150,155,共4页Modern Mining

基　　金：辽宁省自然科学基金项目(编号:20180550198);辽宁省教育厅项目(编号:LJKFZ20220195,2019LNQN09,2016TSPY12)。

摘　　要：鞍千选矿厂为了优化选别工艺中的反浮选效果,取浮选入选的混合磁选精矿进行浮选试验,进行了抑制剂、活化剂、捕收剂用量及常规捕收剂TD-Ⅱ与新型捕收剂HYIC浮选效果对比试验。试验结果表明:固定矿浆pH值为11.5、抑制剂淀粉用量1200 g/t、活化剂CaO用量500 g/t、粗选捕收剂用量800 g/t、精选捕收剂用量300 g/t,采用常规捕收剂TD-Ⅱ时,闭路试验获得了精矿铁品位68.20%、铁回收率88.73%的选别指标;采用新型捕收剂HYIC时,闭路试验获得了精矿铁品位68.25%、铁回收率90.04%的选别指标;使用捕收剂HYIC比采用捕收剂TD-Ⅱ所获得的浮选精矿产率、铁品位、铁回收率分别高0.91,0.05,1.31个百分点,捕收剂HYIC可以强化反浮选效果,提高选厂的经济效益。In order to optimize the reverse flotation effect in the separation process,the flotation test was carried out on the mixed magnetic concentrate entering the flotation in Anqian concentrator.The dosage of inhibitor,activator and collector,and the flotation effect comparison test of conventional collector TD-II and new collector HYIC were carried out.The test results show that when the pulp pH value is 11.5,the dos⁃age of inhibitor starch is 1200 g/t,the dosage of activator CaO is 500 g/t,the dosage of roughing collector is 800 g/t,the dosage of cleaning collector is 300 g/t,and the conventional collector TD-II was used,the sepa⁃ration index of concentrate with iron grade of 68.20%and iron recovery of 88.73%was obtained by closed circuit test.When the new collector HYIC was used,the iron concentrate with iron grade of 68.25%and iron recovery of 90.04%was obtained by closed-circuit test.The flotation concentrate yield,iron grade and iron recovery obtained by using collector HYIC are 0.91,0.05 and 1.31 percentage points higher than those ob⁃tained by using collector TD-II.The collector HYIC can strengthen the reverse flotation effect and improve the economic benefits of the plant.

关 键 词：捕收剂 混合磁选精矿 反浮选 

分 类 号：TD92[矿业工程—选矿]