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有色金属(冶炼部分):2019,(3):1-5
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辉锑矿富氧熔池熔炼的工艺研究
张家靓,杨旭,邓卫华,陈永强,王成彦
(北京科技大学冶金与生态工程学院,北京科技大学冶金与生态工程学院,锡矿山闪星锑业有限责任公司,北京科技大学冶金与生态工程学院,北京科技大学冶金与生态工程学院)
Technical Study on Oxygen Enrichment Bath Smelting for Stibnite
ZHANG Jia-liang,YANG Xu,DENG Wei-hua,CHEN Yong-qiang and WANG Cheng-yan
(School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,,,,)
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投稿时间:2018-12-03    修订日期:2018-12-04
中文摘要: 采用富氧顶吹装置模拟辉锑矿挥发熔池熔炼的行为,考察了氧气系数、初始渣Fe/SiO2、CaO含量对熔炼渣中锑含量的影响。在氧气系数为1.04、初始渣Fe/SiO2=0.94、CaO 15%的最优条件下,熔炼后渣含锑为1.8%。采用SEM-EDS对渣中锑的物相及分布行为进行了表征,发现熔渣中锑以微小的金属粒子形式存在。通过加入一定量的锑锍作为捕集剂,并在高温下对锑渣进行贫化,使渣中的锑含量由沉降前的2.36%降低至0.86%。辉锑矿可以采用富氧挥发熔池熔炼—熔炼渣高温贫化工艺进行处理。
中文关键词: 辉锑矿  挥发  熔池熔炼  高温贫化
Abstract:Volatilization behavior of stibnite was simulated by an experimental equipment of oxygen enrichment top blowing. Effects of oxygen factor, Fe/SiO2 and CaO content in initial slag on Sb content in smelting slag were studied. The results show that Sb content in smelting slag is 1.8% under the optimum conditions of oxygen factor of 1.04, Fe/SiO2=0.94, and CaO of 15%. Phase and distribution of Sb in slag were analyzed with SEM-EDS. Sb exists as micro elemental particles in the slag. Sb content in slag reduces from 2.36% to 0.86% after depletion at high temperature by adding some antimony matte as collecting agent. Stibnite can be treated by the process of oxygen enrichment bath smelting and high-temperature depletion.
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基金项目:中央高校基本科研业务费专项资金资助项目(FRF-BD-18-010A,230201606500078)
引用文本:
张家靓,杨旭,邓卫华,陈永强,王成彦.辉锑矿富氧熔池熔炼的工艺研究[J].有色金属(冶炼部分),2019(3):1-5.
ZHANG Jia-liang,YANG Xu,DENG Wei-hua,CHEN Yong-qiang,WANG Cheng-yan.Technical Study on Oxygen Enrichment Bath Smelting for Stibnite[J].Nonferrous Metals (Extractive Metallurgy),2019(3):1-5.

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