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鋼液溫度和硫含量對脫氮動力學了影響

周世祥,  傅杰,  王平

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文章導航 > 工程科學學報  > 1998 >  20(6): 522-526
周世祥, 傅杰, 王平. 鋼液溫度和硫含量對脫氮動力學了影響[J]. 工程科學學報, 1998, 20(6): 522-526. doi: 10.13374/j.issn1001-053x.1998.06.004
引用本文: 周世祥, 傅杰, 王平. 鋼液溫度和硫含量對脫氮動力學了影響[J]. 工程科學學報, 1998, 20(6): 522-526. doi: 10.13374/j.issn1001-053x.1998.06.004
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Zhou Shixiang, Fu Jie, Wang Ping. Effects of Temperature and Sulfur Content on Kinetics of Nitrogen Removal of Liquid Steel[J]. Chinese Journal of Engineering, 1998, 20(6): 522-526. doi: 10.13374/j.issn1001-053x.1998.06.004
Citation: Zhou Shixiang, Fu Jie, Wang Ping. Effects of Temperature and Sulfur Content on Kinetics of Nitrogen Removal of Liquid Steel[J]. Chinese Journal of Engineering, 1998, 20(6): 522-526. doi: 10.13374/j.issn1001-053x.1998.06.004
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鋼液溫度和硫含量對脫氮動力學了影響

doi: 10.13374/j.issn1001-053x.1998.06.004

  • 北京科技大學冶金學院, 北京 100083

詳細信息
    作者簡介:

    周世祥,男,30歲,博士生

  • 中圖分類號: TF445

Effects of Temperature and Sulfur Content on Kinetics of Nitrogen Removal of Liquid Steel

  • Metallurgy School, UST Beijing, Beijing 100083, China

    摘要
  • 摘要: 在LECO436氧氮分析儀上研究了1600~2813℃溫度范圍內鋼液脫氮動力學。結果表明:溫度低時,脫氮受液相邊界層傳質及界面化學反應混合控制,溫度高時,脫氮受液相邊界層傳質過程控制。在2250℃以下,溫度對k1'的影響服從Arrhenius公式。硫對脫氮的阻礙作用隨著溫度的升高而降低,在溫度2250℃以上,硫的表面活性作用消失。

     

    Abstract: The kinetics of denitrogenization of liquid steel was studied in LEC0436 under 1 600~2 813℃. The results showed that when the temperature is lowen nitrogen removal is controlled by both nitrogen transferring in liquid transfer layer and the chemical reaction at the liquid-gas interfacei and when the temperature is higher, it is only controlled by nitrogen transferring in liquid transfer layer. Under 2 250℃, the effect of temperature on k1' followed Arrhenius formula. The resistance of sulfur on nitrogen removal decreases as the temperature rises, and disappeares at temperature 2250℃.

     

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  • 收稿日期:  1998-10-15
  • 網絡出版日期:  2021-08-27

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