Kinetic Study of the Nitrogen Removal Rate from Molten Steel (Normal Steel and 17 mass%Cr Steel) under CO Boiling or Argon Gas Injection

Takeo INOMOTO; Shin-ya KITAMURA; Masataka YANO

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Kinetic Study of the Nitrogen Removal Rate from Molten Steel (Normal Steel and 17 mass%Cr Steel) under CO Boiling or Argon Gas Injection

机译：CO沸腾或氩气注入下钢水（普通钢和17质量％Cr钢）脱氮速率的动力学研究

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A nitrogen removal experiment was carried out under reduced pressure using a 600-kg-scale induction furnace. Using normal and 17 mass%Cr steel, two methods to promote the reaction were selected, i.e., expansion of the reaction area with CO boiling and reduction of surface active elements, with the aim of promoting the chemical reaction at the metal-gas interface. Kinetic results indicate that surface active elements act on the whole experimental condition, and the rate determination step is predicted to be a chemical reaction at the gas-metal interface. Applying the chemical reaction equation obtained by previous research on high-chromium steel, the nitrogen removal rate can be explained using the same estimation method. The results obtained in the present study indicate the importance of development of an effective method to increase the gas-metal surface area.

机译：使用600kg规模的感应炉在减压下进行脱氮实验。使用普通和17质量％Cr钢，选择了两种促进反应的方法，即通过CO沸腾扩大反应面积和减少表面活性元素，目的是促进金属-气体界面的化学反应。动力学结果表明，表面活性元素在整个实验条件下均起作用，并且速率确定步骤预计是气体-金属界面上的化学反应。应用先前研究获得的高铬钢化学反应方程式，可以用相同的估算方法解释氮的去除率。在本研究中获得的结果表明开发一种有效方法以增加气体金属表面积的重要性。

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来源
《ISIJ international》 |2015年第9期|1822-1827|共6页
作者
Takeo INOMOTO; Shin-ya KITAMURA; Masataka YANO;
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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 Tohoku University, 2-1 Katahira, Aoba-ku, Sendai-shi, Miyagi, 987-8573 Japan;

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

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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
steelmaking; reaction rate; nitrogen; vacuum degasser; CO boiling; gas injection;

机译：炼钢反应速度;氮;真空脱气机一氧化碳沸腾;气体注入;

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1. Kinetic Study of the Nitrogen Removal Rate from Molten Steel (Normal Steel and 17 mass%Cr Steel) under CO Boiling or Argon Gas Injection [J] . Takeo Inomoto, Shin-ya Kitamura, Masataka Yano ISIJ international . 2015,第9期

机译：CO沸腾或氩气注入下钢水（普通钢和17质量％Cr钢）脱氮速率的动力学研究
2. (v17preprint22)Effects of Nitrogen added Argon Gas flow rate on the Mechanical and Corrosion properties of Duplex Stainless Steel Gas Tungsten Arc welds [J] . R.Sasidharan, S.Rajendra Boopathy, S.R. Koteswara Rao Journal of Corrosion Science and Engineering . 2014,第Null期

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3. Hydrazine and Hydrogen Co-injection to Mitigate Stress Corrosion Cracking of Structural Materials in Boiling Water Reactors (Ⅴ) Effects of Hydrazine and Dissolved Oxygen on Flow Accelerated Corrosion of Carbon Steel [J] . Kazushige ISHIDA, Yoichi WADA, Masahiko TACHIBANA, Journal of nuclear science and technology . 2007,第2期

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4. Study of Argon/Molten Steel Two-Phase Flow in Refining of High Clean Steel Using Two-Fluid Model [C] . QI Feng-sheng, YANG Liu, LIBao-kuan, The 2nd International symposium on clean steel . 2011

机译：两流体模型研究高纯钢精炼中的氩/钢水两相流
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6. Experimental Study on Erosion–Corrosion of TP140 Casing Steel and 13Cr Tubing Steel in Gas–Solid and Liquid–Solid Jet Flows Containing 2 wt NaCl [O] . Jiarui Cheng, Zhen Li, Ningsheng Zhang, 2019

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Kinetic Study of the Nitrogen Removal Rate from Molten Steel (Normal Steel and 17 mass%Cr Steel) under CO Boiling or Argon Gas Injection

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