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首页> 外文期刊>ISIJ international >Effect of the Chromium Content and Argon Bubbling in the Carbon Removal Rate from Low Carbon Liquid Steel under Reduced Pressure Condition
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Effect of the Chromium Content and Argon Bubbling in the Carbon Removal Rate from Low Carbon Liquid Steel under Reduced Pressure Condition

机译：减压条件下铬含量和氩鼓泡对低碳钢的脱碳率的影响

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摘要

A fundamental investigation of the carbon removal rate in the low-carbon-content region using a vacuum induction furnace (12 kg-scale, 600 kg-scale, and 7 t-scale) was carried out and the following results were obtained: 1) A 12 kg-scale experiment aimed at elucidating the adsorption element effect in the decarburization reaction was carried out. The kinetic analysis of the experimental results obtained by using high-chromium steel and a former experimental study of low alloy steel showed that the reaction rate can be estimated using an integrated reaction rate. Moreover, by using this estimation method, the reaction rate of different scale experimental results can also be well predicted. 2) Argon bubbling experimental results using a 7 t-scale vacuum induction furnace showed that the bubble burst under highly reduced pressure conditions can be considered to take place at the shallow depth of 40 mm. Furthermore, a major factor of reaction promotion in both 17 mass% Cr steel and low alloy steel can be estimated by the surface expansion and mass transfer promotion effect of bubble bursting.
机译：使用真空感应炉（12 kg规模，600 kg规模和7 t规模）对低碳含量区域的碳去除率进行了基础研究，并获得以下结果：1）为了阐明脱碳反应中的吸附元素效应，进行了12kg规模的实验。使用高铬钢获得的实验结果的动力学分析和以前的低合金钢实验研究表明，可以使用综合反应速率估算反应速率。此外，通过使用这种估计方法，还可以很好地预测不同规模实验结果的反应速率。 2）使用7 t规模的真空感应炉进行的氩气鼓泡实验结果表明，可以认为在高度减压条件下的气泡破裂发生在40 mm的浅层深度。此外，可以通过气泡破裂的表面膨胀和传质促进效果来估计17质量％的Cr钢和低合金钢中反应促进的主要因素。

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  • 来源
    《ISIJ international》 |2016年第8期|1307-1314|共8页
  • 作者

    Takeo INOMOTO; Michitaka MATSUO; Masataka YANO;

  • 作者单位

    Process Research Laboratories Nippon Steel & Sumitomo Metal Corporation, 16-1 Sunayama, Kamisu-shi, Ibaraki, 314-0255 Japan;

    Process Technology Research Laboratories Nippon Steel Corporation The Japan Research and Development Center for Japan for Metals, 1-5-11 Nishi-Shinbashi, Minato-ku, Tokyo, 105-0003 Japan;

    Process Technology Research Laboratories Nippon Steel Corporation Aichi University of Technology, 104 Nakagou-aza, Ushikawa-chou, Toyohashi-Shi, Aichi, 440-0016 Japan;

  • 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

    reaction rate; surface active element; decarburization; gas bubbling; ultra-low carbon steel; reduced pressure; chromium steel;

    机译：反应速度;表面活性元素脱碳鼓泡超低碳钢;减压;铬钢;

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