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连铸用耐火材料对连铸过程和对钢的质量和内部洁净度都起着决定性的作用,是连铸技术的组成部分.本文着重对钢包脱硫时耐材/钢渣/钢水之间的相互反应和超低碳钢钢水二次冶金处理过程中的增碳现象以及连铸过程中耐材对钢的洁净度产生的影响作了阐述,同时对连铸用耐村可能导致钢水二次氧化、中间罐内元素转移、水口氧化铝沉积堵塞等问题进行了分析,并提出了相应的改进措施。
The continuous casting refractory material plays a decisive role in the continuous casting process and in the quality and internal cleanliness of the steel and is an integral part of the continuous casting technology.This paper focuses on the interaction between refractory material / steel slag / molten steel during ladle desulfurization And ultra-low carbon steel secondary metallurgical process carbonation phenomenon and the continuous casting process of refractory steel cleanliness of the impact were described, while the continuous casting with resistance to the village may lead to secondary oxidation of molten steel, the middle The element transfer in the tank and the blockage of the alumina deposition in the nozzle were analyzed and the corresponding improvement measures were put forward.