某铜硫矿山硫精矿产品提质试验  

Study on Quality Improvement of Sulphur Concentrate Products of a Copper-Sulphur Mine

作　　者：庞勃 PANG Bo(Anhui Tongguan Industrial Technology Research Institute Co.,Ltd.)

机构地区：[1]安徽铜冠产业技术研究院有限责任公司

出　　处：《现代矿业》2024年第7期184-186,190,共4页Modern Mining

摘　　要：某铜硫矿山为了提高硫精矿品质,满足销售要求,针对硫精矿硫品位低的问题,进行了浮选浓度、浮选矿浆pH值及井下酸性废水活化调浆等条件试验,以及3种不同提质流程的对比试验研究。试验结果表明:使用pH值为2.6左右的井下酸性水活化调浆,采用硫精矿阶段选别+精尾顺序返回的工艺流程,得到了硫品位48.57%、铁品位43.31%、硫回收率68.78%的硫精矿1,硫品位44.64%、铁品位43.01%、硫回收率22.68%的硫精矿2;2种硫精矿合并后可得到硫品位47.53%、铁品位43.23%、硫回收率91.46%的优质硫精矿,硫+铁品位大于90.00%,大幅降低了现场高碱硫精矿调浆药剂成本,同时解决了井下酸性废水环保排放问题,经济效益及环保效益显著。In order to improve the quality of sulfur concentrate and meet the sales requirements in a copper-sulfur mine,aiming at the problem of low sulfur grade of sulfur concentrate,the flotation concen⁃tration,pH value of flotation slurry and activation and conditioning slurry of underground acidic wastewa⁃ter are tested,and the comparative test of three different upgrading processes is carried out.The test re⁃sults show that the underground acidic water with pH value of about 2.6 is used to activate the slurry,and the process flow of sulfur concentrate stage separation+concentrate tail return in order is adopted to obtain sulfur concentrate 1 with sulfur grade of 48.57%,iron grade of 43.31%and sulfur recovery rate of 68.78%,sulfur concentrate 2 with sulfur grade of 44.64%,iron grade of 43.01%and sulfur recovery rate of 22.68%.After the combination of the two kinds of sulfur concentrates,a high-quality sulfur concentrate with sulfur grade of 47.53%,iron grade of 43.23%and sulfur recovery rate of 91.46%can be obtained.The sulfur+iron grade is greater than 90.00%,which greatly reduces the cost of high-alkali sulfur concentrate slurry preparation agent on site.At the same time,it solves the discharge problem of environmental protection of underground acidic wastewater,and has remarkable economic and environmental benefits.

关 键 词：硫精矿 提质 井下 酸性废水 药剂成本 

分 类 号：TD952[矿业工程—选矿]