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    METHOD OF MODIFYING STEEL SLAG

    New search for: KATO YUSUKE
    New search for: TAKAHASHI KATSUNORI

    PROBLEM TO BE SOLVED: To propose technique of modifying steel slag while reducing expansion due to a hydration reaction.SOLUTION: Steel slag in a molten state is used, a gas comprising oxygen is blown into the steel slag, to increase the temperature of the steel slag up to 1600°C or more. It is then held at 1600°C or more for 2 minutes or more before cooled.SELECTED DRAWING: Figure 1

    【課題】水和反応による膨張を低減した製鋼スラグの改質技術を提案する。【解決手段】溶融状態の製鋼スラグを用い、該製鋼スラグの内部に、酸素を含む気体を吹込むことで、該製鋼スラグの温度を１６００℃以上まで上昇させ、ついで１６００℃以上で２分以上保持したのち、冷却する。【選択図】図１

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    METHOD OF MODIFYING STEEL SLAG

    New search for: KATO YUSUKE
    New search for: TAKAHASHI KATSUNORI

    PROBLEM TO BE SOLVED: To propose technique of modifying steel slag while reducing expansion due to a hydration reaction.SOLUTION: Steel slag in a molten state is used, a gas comprising oxygen is blown into the steel slag, to increase the temperature of the steel slag up to 1600°C or more. It is then held at 1600°C or more for 2 minutes or more before cooled.SELECTED DRAWING: Figure 1

    【課題】水和反応による膨張を低減した製鋼スラグの改質技術を提案する。【解決手段】溶融状態の製鋼スラグを用い、該製鋼スラグの内部に、酸素を含む気体を吹込むことで、該製鋼スラグの温度を１６００℃以上まで上昇させ、ついで１６００℃以上で２分以上保持したのち、冷却する。【選択図】図１

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    METHOD OF MODIFYING STEEL SLAG

    New search for: KATO YUSUKE
    New search for: TAKAHASHI KATSUNORI

    PROBLEM TO BE SOLVED: To propose technique of modifying steel slag while reducing expansion due to a hydration reaction.SOLUTION: Steel slag in a molten state is used, a gas comprising oxygen is blown into the steel slag, to increase the temperature of the steel slag up to 1600°C or more. It is then held at 1600°C or more for 2 minutes or more before cooled.SELECTED DRAWING: Figure 1

    【課題】水和反応による膨張を低減した製鋼スラグの改質技術を提案する。【解決手段】溶融状態の製鋼スラグを用い、該製鋼スラグの内部に、酸素を含む気体を吹込むことで、該製鋼スラグの温度を１６００℃以上まで上昇させ、ついで１６００℃以上で２分以上保持したのち、冷却する。【選択図】図１

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    Title:

    METHOD OF MODIFYING STEEL SLAG

    Additional title:

    製鋼スラグの改質方法

    Contributors:

    KATO YUSUKE (author) / TAKAHASHI KATSUNORI (author)

    Publication date:

    2017-01-26

    Type of media:

    Patent

    Type of material:

    Electronic Resource

    Language:

    Japanese

    Classification:

    IPC:  C21C Weiterverarbeiten von Roheisen, z.B. Feinen, Herstellen von Schweißeisen oder Stahl , PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL / C04B Kalk , LIME

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