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薄板坯连铸增碳行为研究
Study on Carburizing Behavior of Thin Slab Continuous Casting
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- DOI:
- 作者:
- 石树东，高宠光，张虎成
SHI Shudong, GAO Chongguang, ZHANG Hucheng
- 作者单位:
- 首钢京唐钢铁联合有限责任公司 钢轧作业部，河北 唐山 063200
Department of Steel Rolling, Shougang Jingtang Iron & Steel Co., Ltd., Tangshan 063200, China
- 关键词:
- 薄板坯连铸；增碳；覆盖剂；保护渣
thin slab continuous casting; carbon increase; covering agent; protecting slag
- 摘要:
- 连铸过程增碳会对板坯质量造成影响，碳质量分数超标会造成产品降级，成材率低。 分析了薄板坯连铸过
程增碳相关因素及行为。 结果表明，在连铸浇注过程中，中包覆盖剂和保护渣对增碳起主要的作用。 生产过程中应对中
包覆盖剂和保护渣的碳质量分数以及浇注过程中液面波动进行控制。
Carburization in continuous casting process will affect the quality of slabs. Excessive carbon content will result in product degradation and low yield of finished products. The related factors and behaviors of recarburization in the process of thin slab continuous casting were analyzed. The results show that in the process of continuous casting, the coating agent and the protective slag play a major role in the carburization. In the production process, the carbon mass fraction of the coating agent and the protective slag and the fluctuation of the molten metal level in the pouring process should be controlled.