Thickness monitoring and discontinuous degradation mechanism of wear lining refractories for refining ladle
作者机构：The State Key Laboratory of Refractories and MetallurgyWuhan University of Science and TechnologyWuhan 430081HubeiChina School of Computer Science and TechnologyWuhan University of Science and TechnologyWuhan 430081HubeiChina Zhejiang Zili High Temperature Technology Co.Ltd.Shaoxing 312300ZhejiangChina
出 版 物：《Journal of Iron and Steel Research(International)》 (钢铁研究学报（英文版）)
年 卷 期：2022年第29卷第7期
页 面：1110-1118页
核心收录：
学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0703[理学-化学]
基 金：This work was financially supported by the National Natural Science Foundation of China(Grant Nos.U1908227,U1860205,and U20A20270) Key Program of Natural Science Foundation of Hubei Province(2021CFA071) the Special Project of Central Government for Local Science and Technology Development of Hubei Province(2019ZYYD076).
主 题：Refining ladle Refractory Discontinuous degradation Monitoring Modeling
摘 要：As a functional metallurgical container for molten steel,refining ladle has a great influence on the smelting safety and quality of steel.The online monitoring of the residual thickness for ladle lining was applied to increase the smelting efficiency and safety.It is found that the ladle refractories show obvious discontinuous degradation characteristics through the monitoring data.Moreover,the degradation of low-carbon magnesia–carbon brick at slag line and corundum-based castable at steel bath was calculated according to the established corrosion model and crack propagation model,respectively.The discontinuous degradation mechanism of the ladle refractories is illustrated,which is of great significance to the optimal configuration of the ladle lining refractories.
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