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Development of Slag-Forming Mixture for Steel-Pouring Ladle and its Application Technology During Production of Steels with High Aluminum and Sulfur Content

机译:高铝和硫含量生产钢浇筑钢浇筑钢材及其应用技术的开发

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摘要

Flotation and assimilation of nonmetallic inclusions from metal slag in steel-pouring ladles and tundishes during pouring steels with increased aluminum and sulfur content are considered. The authors study the formation of nonmetallic inclusions in a steel-pouring ladle during steel extra-furnace treatment, the process of submerged nozzle clogging during continuous casting, the change in slag composition in a tundish, and development of an assimilation mixture composition for a steel-pouring ladle. Laboratory studies are made of the physicochemical properties of a developed SFM. It is established that use of the new SFM makes it possible to improve nonmetallic inclusion assimilation in a steel-pouring ladle and does not lead to a marked change in slag chemical composition and physical properties in a tundish. As a result of this, there is less steel contamination with nonmetallic inclusions and a reduction in submerged nozzle clogging.
机译:考虑了钢浇注钢材和中间包中的金属渣中的非金属夹杂物的浮选和同化,具有增加的铝和硫含量。 作者研究了钢浇炉处理中的钢浇钢包装中的非金属夹杂物的形成,在连续铸造过程中浸没喷嘴堵塞的过程,中间包中的炉渣组合物的变化,以及用于钢的同化混合物组合物的开发 - 浇灌钢包。 实验室研究是由发育的SFM的物理化学性质进行。 建立新SFM的使用使得可以改善钢浇注钢包装中的非金属夹杂物同化,并且不会导致炉渣化学成分和中间包中的物理性质的显着变化。 结果,具有较少的钢污染,具有非金属夹杂物和浸没式喷嘴堵塞的减少。

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