高炉炉缸区钒氧化物的还原试验

闫超杰; 陈树军; 赵晓杰; 李福民; 吕庆; 郄亚娜

doi:10.7513/j.issn.1004-7638.2017.01.004

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高炉炉缸区钒氧化物的还原试验

doi: 10.7513/j.issn.1004-7638.2017.01.004

1. 华北理工大学冶金与能源学院, 教育部现代冶金技术重点实验室, 河北唐山 063009;
2. 东北大学材料与冶金学院, 辽宁沈阳 110819

基金项目:

国家自然科学基金重点支持联合基金项目(U1360205)；华北理工大学研究生创新项目(2015B01)。

详细信息

作者简介:
闫超杰(1991-),男,河北邯郸人,硕士生,主要从事炼铁理论与工艺,E-mail:1792661509@qq.com。

通讯作者:
李福民(1971-),男,博士,教授,E-mail:421520225@qq.com。

中图分类号: TF533,TF841.3
计量
- 文章访问数: 39
- HTML全文浏览量: 16
- PDF下载量: 1
- 被引次数: 0
出版历程
- 收稿日期: 2016-06-02

Experimental Study on Reduction of Vanadium Oxides in Blast Furnace Hearth

1. College of Metallurgy and Energy, Ministry of Education Key Laboratory of Modern Metallurgy Technology, North China University of Science and Technology, Tangshan 063009, Hebei, China;
2. College of Material and Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China

摘要

摘要: 炉缸区钒氧化物的还原对钒的收得率具有重要影响。通过研究炉渣成分和温度对钒氧化物还原的影响, 结果表明:二元碱度对钒氧化物还原影响显著, 钒氧化物的还原率随着二元碱度的增加而增加;MgO、Al₂O₃含量增加, 钒氧化物的还原率先升高后降低;TiO₂含量增加, 钒氧化物的还原率降低, 且TiO₂含量超过11%时钒氧化物的还原率大幅降低;钒氧化物的还原率随着温度的增加而升高。当承钢高炉渣的二元碱度1.2、Al₂O₃含量14%、MgO含量10%、TiO₂含量9%、炉渣温度控制1 500℃时, 钒氧化物的还原达到最佳, 还原率达到90%左右。
- 高炉 /
- 炉缸区 /
- 钒氧化物 /
- 还原 /
- 钒收得率 /
- 炉渣成分 /
- 温度
Abstract: The reduction of vanadium oxides in the blast furnace hearth has an important influence on the yield of vanadium.The effects of slag composition and temperature on the reduction of vanadium oxides were studied.The effect of binary basicity was significant on the reduction of vanadium oxides and the reduction rate of vanadium oxides increased with increase of the binary basicity.The reduction rate of vanadium oxides increased firstly and then decreased when the contents of Al₂O₃ and MgO increased.The reduction rate of vanadium oxides decreased with increasing TiO₂ content,and a significant decrease in the reduction rate of vanadium oxides occurred once the content of TiO₂ exceeded 11%.With increase in temperature,the reduction rate of vanadium oxides increased.An optimum reduction efficiency can be obtained with about 90% of reduction rate for the vanadium oxides at 1 500 ℃ of temperature and 1.2 of binary basicity for blast furnace slag,and 14% of Al₂O₃ content,10% of MgO content and 9% of TiO₂ content in the slag.
- blast furnace /
- hearth area /
- vanadium oxides /
- reduction /
- recovery rate /
- slag composition /
- temperature