The corrosion regularity of passivator solution on metal and slag on refractory material in BF hearth is studied through experiments.

通过实验，研究了钝化剂水溶液对金属的腐蚀规律以及炉渣对高炉炉缸耐火材料的侵蚀规律。

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Inclusions in the gray strip defects consist of MgO and trace melilite, which result from MgO-C refractory in slag line.

灰色条带状缺陷中外来物主要为氧化镁，并含少量黄长石，来源于渣线镁碳砖耐火材料；

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This paper summarizes recent progress in research on local corrosion mechanism of refractory at slag-iron interface, with emphasis on characteristic mechanism on slag-iron interface.

总结并讨论了近年来国内外对渣-铁界面处耐火材料侵蚀机理的研究成果及其进展，给出了防止其侵蚀的措施。

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