钢包内衬用耐火材料对钢中非金属夹杂物的影响

doi:10.13228/j.boyuan.issn0449-749x.20200122

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Abstract Seconclary refining is an important turning point in the control of nonmetallic inclusions in steel during the steelmaking process. The ladle-lining refractory are always confronted with severe physiochemical reactions during the whole secondary refining process, which leads to the introduction of inclusions in the molten steel and resulting in less than expected refining results. The interface reaction between ladle-lining refractories and the molten steel and introduce the resulting influences on the formation of inclusions was focused, and it was found that the ladle lining refractory material will affect the morphology, composition and physical and chemical properties of the inclusions in the steel. It is possible not only to introduce inclusions into the steel, but also to absorb and remove them. It is proposed that the future refractory materials for ladle lining should be given more development direction for the purification of molten steel and other functional indicators.

Key words： non-metallic inclusion ladle-lining refractory secondary refining interface reaction molten steel purification

Received: 17 March 2020

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	HOU Xin-mei
	LIU Yun-song
	WANG En-hui

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HOU Xin-mei,LIU Yun-song,WANG En-hui. Effect of ladle-lining refractory on non-metallic inclusions in steel[J]. Iron and Steel, 2020, 55(6): 15-24.

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http://www.chinamet.cn/Jweb_gt/EN/10.13228/j.boyuan.issn0449-749x.20200122 OR http://www.chinamet.cn/Jweb_gt/EN/Y2020/V55/I6/15

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