Wettability between Molten Slag and MgO–C Refractories for the Slag Splashing Process
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概要
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Wetting experiments in two cases have been carried out to measure the wettability between molten slag and MgO–C refractories. Especially, the variations of wettability with time are taken into consideration in this paper. The spread diameter increased significantly and the slag height decreased with the increase of the time from 0 to 237 s at 1783 K. While the spread diameter changed slowly, and reached the steady state from 300 to 500 s. More specifically, the fitting formulae for diameter, height, area of the slag as a function of time have been determined. Moreover, the interfacial characteristics of the non-melting slag and MgO–C refractories and of the wetting slag and MgO–C refractories were investigated to further explain the wettability in two cases.With the help of the wetting experiment, adhesion and protection mechanism was demonstrated. It could optimize the slag splashing process and give guides to the increase of the converter lining life, which can make the contribution to the promotion of technological transformation and innovation of the steel industry.
著者
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Wu Yan
Department Of Anatomy Tongji Medical College Huazhong University Of Science And Technology
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Matsuura Hiroyuki
Department Of Advanced Materials Science Graduate School Of Frontier Sciences The University Of Toky
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YUAN Zhangfu
Department of Energy & Resources Engineering, College of Engineering, Peking University
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Tsukihashi Fumitaka
Department Of Advanced Material Science The University Of Tokyo
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TSUKIHASHI Fumitaka
Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo
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Zhao Hongxin
Department of Energy and Resources Engineering, College of Engineering, Peking University
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