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有色金属(冶炼部分):2016,(7):38-41
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钒钛磁铁精矿预还原球团电炉冶炼研究
吕亚男,郭宇峰,陈栋
(苏州工业职业技术学院,中南大学,苏州大学)
Study on Electric Furnace Smelting of Vanadium-Titanium Magnetite Concentrate
LV Yanan,GUO Yufeng and CHEN Dong
(Suzhou Institute of Industrial Technology,,)
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投稿时间:2016-02-27     修订日期:2016-03-02     录用日期:2016-03-03     网络发布日期:2016-06-27
中文摘要: 对攀西钒钛磁铁精矿球团电炉冶炼进行研究,通过还原剂作用和优化的熔融还原电炉参数,可实现钒钛磁铁精矿球团冶炼过程中铁和钒钛的分离回收,其中钒被还原后富集到生铁中,而钛富集在电炉冶炼渣中。当渣型碱度(CaO/SiO2)为1.1时,还原球团的金属化率为70%,在1 500 ℃熔融还原10 min后,生铁中铁品位为97.96%,铁回收率可达98.81%,生铁中含钒0.36%,钒回收率可达62.42%,试验过程中炉渣流动性好。
Abstract:Electric furnace smelting technology was adopted to treat vanadium-titanium magnetite concentrate in Panzhihua. The results show that separation and distribution of iron and non-ferrous elements can be controlled with suitable reducing agent, appropriate metallization rate of pre-reduction pellets and optimized electric furnace smelting temperature and time. Most of vanadium is collected in pig iron, while titanium is gathered in furnace slag. Pig iron is obtained with iron grade of 97.96% and iron recovery of 98.81%, vanadium content of 0.36% and vanadium recovery of 62.42% under the conditions including alkalinity (CaO/SiO2) of 1.1, metallization rate of 70%, smelting temperature of 1 500 ℃ and smelting time of 10 min. Furnace slag exhibits good fluidity in smelting process.
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基金项目:国家自然科学基金资助项目(51504155);江苏省青年基金项目(BK20140337)
引用文本:
吕亚男,郭宇峰,陈栋.钒钛磁铁精矿预还原球团电炉冶炼研究[J].有色金属(冶炼部分),2016(7):38-41.
LV Yanan,GUO Yufeng,CHEN Dong.Study on Electric Furnace Smelting of Vanadium-Titanium Magnetite Concentrate[J].Nonferrous Metals (Extractive Metallurgy),2016(7):38-41.

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