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Effects of Sulfur and Titanium Interaction in Molten Pig Iron on Erosion of Carbon Brick

机译:熔融生铁中硫和钛的相互作用对碳砖侵蚀的影响

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摘要

The service life of blast furnace is largely determined by the erosion of carbon brick. The experiments were carried out to investigate effects of sulfur and titanium interaction in molten pig iron on erosion of carbon brick. The experimental results show that the erosion of carbon brick was enhanced when the sulfur content increased separately in molten pig iron, however, this effect could be made up by addition of titanium in molten pig iron. The control standard of sulfur content and titanium content in molten pig iron was proposed, which was combined with the operation to delay the erosion of carbon brick. The quantitative relationship between the erosion rate and sulfur and titanium interaction at 1 773 K was obtained based on experimental data, when sulfur content increased by 0.01%, the increment of titanium content by 0.015% would be needed to compensate for the effect of sulfur content on the erosion. The mechanism of sulfur and titanium interaction was analyzed through the erosion process of carbon brick, the difference between the influences of two elements on the surface tension and viscosity of molten is the essential cause of the interaction.
机译:高炉的使用寿命在很大程度上取决于碳砖的侵蚀。进行实验以研究熔融生铁中硫和钛的相互作用对碳砖侵蚀的影响。实验结果表明,随着生铁中硫含量的单独增加,碳砖的侵蚀作用增强,但是,可以通过在生铁中添加钛来弥补这种影响。提出了控制生铁中硫和钛含量的控制标准,并结合操作来延缓碳砖的侵蚀。根据实验数据得到了腐蚀速率与硫和钛相互作用的定量关系,当硫含量增加0.01%时,需要增加钛含量增加0.015%,以补偿硫含量的影响。在侵蚀。通过碳砖的腐蚀过程分析了硫和钛相互作用的机理,两种元素对熔体的表面张力和粘度的影响之间的差异是相互作用的根本原因。

著录项

  • 来源
    《ISIJ international》 |2019年第1期|1-8|共8页
  • 作者单位

    School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 China,State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083 China;

    School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 China,State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083 China;

    School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 China,State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083 China;

    School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083 China,State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    blast furnace; carbon brick erosion; sulfur and titanium interaction; quantitative relationship; mechanism;

    机译:高炉;碳砖侵蚀;硫和钛的相互作用;数量关系机制;

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