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Thermodynamic Study of Secondary Refining Slag for Steelmaking

Thermodynamic Study of Secondary Refining Slag for Steelmaking
炼钢二次精炼渣的热力学研究
批准号：
05650722
负责人：
HINO Mitsutaka
金额：
$1.34万
依托单位：
TOHOKU UNIVERSITY
依托单位国家：
日本
项目类别：
Grant-in-Aid for General Scientific Research (C)
财政年份：
1993
资助国家：
日本
项目状态：
已结题
起止时间：
1993 至 1994
来源：
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-05650722/
关键词：
Secondary Refining for SteelmakingDephosphorizationDesulphurizationHigh Purity SteelSulphide CapacityActivitySulphur Solubility in SlagThermodynamics溶鋼二次精錬CaO-Al_2O_3系スラグサルファイド・キャパシティ

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中文摘要
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英文摘要
Various kinds of fluxed for dephosphorization and desulphurization of steel have been developed to produce high purified steel. Practically used flux is CaO-based flux and steel is deoxidized with aluminum in secondary steelmaking proces. As the result, CaO-Al_2O_3 slag is formed in the process. In the present work, at first, the sulphide capacities and sulphur solubility for CaO-Al_2O_3, CaO-Al_2O_3-MgO,CaO-Al_2O_3-SiO_2 and CaO-Al_2O_3-CaF_2 slags were studied at 1823 to 1923K to discuss the desulphurization ability of these slags in the secondary steelmaking process.Secondary, the activities of the constituents in these slags were determined at 1823 to 1923 K to estimate the equilibrium oxygen distributed between these slags and liquid iron.From the results obtained, the equilibrium sulphur distribution between these slags and liquid steel was evaluated on the assumption that the steel would be deoxidized with aluminum., and these were compared with the experimentally observed results.
期刊论文(44)
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会议论文
日野光兀: "CaO-Al_2O_3系スラグの硫黄溶解度" 材料とプロセス. 6. 218 (1993)
Mitsunori Hino：“CaO-Al_2O_3 渣中的硫溶解度”材料和工艺。6. 218 (1993)。
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通讯作者：
Mitsutaka HINO and Shiro BAN-YA: "Thermodynamics of Secondary Refining Slag for Steelmaking" Proc.of 1995 AIME PTD Theme Conference on Ladle Metallurgy. (to be published). (1995)
Mitsutaka HINO 和 Shiro BAN-YA：“炼钢二次精炼渣的热力学”Proc.of 1995 AIME PTD 钢包冶金主题会议。
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通讯作者：
Mitsutaka HINO and Shiro BAN-YA: "EQUILIBRIA OF SULPHUR AND OXYGEN BETWEEN CaO-Al 2O3 BASED SLAGS AND LIQUID IRON" Proceedings of the first International Conference on Ultra Purity Base Metals. (1995)
Mitsutaka HINO 和 Shiro BAN-YA：“CaO-Al 2O3 基炉渣和液态铁之间的硫和氧的平衡”第一届超纯贱金属国际会议论文集。
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通讯作者：
伊藤健,日野光兀,萬谷志郎: "CaO-Al_2O_3系スラグの硫黄溶解度に及ぼすCaF_2の影響" 材料とプロセス. 7. 884-884 (1994)
Ken Ito、Mitsuki Hino、Shiro Manya：“CaF_2 对 CaO-Al_2O_3 渣的硫溶解度的影响”材料与工艺 7. 884-884 (1994)。
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共 22 条
    Thermodynamic Study on Deoxidation Equilibrium of High Alloyed Steel
    • 批准号：
      07455297
    • 项目类别：
      Grant-in-Aid for Scientific Research (B)
    • 资助金额：
      $4.99万
    • 财政年份：
      1995
    • 负责人：
      HINO Mitsutaka
    • 依托单位：
      Tohoku University
    Mathematical Expression of Manganese Distribution in Steelmaking Process by Quadratic Formalism Based on Regular Solution Model
    • 批准号：
      61550487
    • 项目类别：
      Grant-in-Aid for General Scientific Research (C)
    • 资助金额：
      $1.22万
    • 财政年份：
      1986
    • 负责人：
      HINO Mitsutaka
    • 依托单位：
      TOHOKU UNIVERSITY
    海外基金