| 基于激光诱导击穿光谱的钢液成分在线监视 |
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| 引用本文： | 孙兰香,于海斌,辛勇,丛智博,孔海洋.基于激光诱导击穿光谱的钢液成分在线监视[J].中国激光,2011(9). |
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| 作者姓名： | 孙兰香 于海斌 辛勇 丛智博 孔海洋 |
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| 作者单位： | 中国科学院沈阳自动化研究所工业信息学重点实验室; |
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| 基金项目： | 国家863计划(2009AA04Z160); 国家自然科学基金(61004131); 中国科学院知识创新工程重要方向(KGCX2-YW-126)资助课题 |
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| 摘 要： | 基于激光诱导击穿光谱(LIBS)技术对钢液中的Cr,Si和Mn 3种元素成分进行浓度在线监视。实验采用中频感应炉熔炼钢材,并在熔炼过程中添加一定量的添加料调整成分。采用研发的SIA-LIBS-02实验系统对炉中的钢液进行直接测量,研究了钢液温度和元素浓度对谱线强度的影响。结果表明,钢液温度对元素特征谱强影响严重,而且不同元素的谱强随温度变化不同,钢液中微量元素的检出能力要高于常温固态钢样;采用相对谱线强度能够补偿在线测量过程中的动态干扰,在保持钢液温度一致的情况下,能够成功在线监视钢液中Cr,Si和Mn元素的浓度变化。
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| 关 键 词： | 光谱学 激光诱导击穿光谱 在线监视 钢液 成分 |
On-Line Monitoring of Molten Steel Compositions by Laser-Induced Breakdown Spectroscopy |
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| Sun Lanxiang Yu Haibin Xin Yong Cong Zhibo Kong Haiyang.On-Line Monitoring of Molten Steel Compositions by Laser-Induced Breakdown Spectroscopy[J].Chinese Journal of Lasers,2011(9). |
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| Authors: | Sun Lanxiang Yu Haibin Xin Yong Cong Zhibo Kong Haiyang |
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| Affiliation: | Sun Lanxiang Yu Haibin Xin Yong Cong Zhibo Kong Haiyang(Key Laboratory of Industrial Informatics,Shenyang Institute of Automation,Chinese Academy of Sciences,Shenyang,Liaoning 110016,China) |
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| Abstract: | The elemental composition of Cr,Si and Mn of molten steel is on-line monitored by laser-induced breakdown spectroscopy(LIBS).Solid steel is melted in medium frequency induction furnace into liquid,and raw materials are added in the furnace to adjust the contents of Cr,Si and Mn.Based on laser-induced breakdown spectroscopy,an experimental equipment named SIA-LIBS-02 is developed and used to measure the components of molten steel.The effect of the steel temperature and component concentration on spectral lin... |
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| Keywords: | spectrosopy laser-induced breakdown spectroscopy on-line monitoring molten steel composition |
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