连铸坯质量分析与监控系统研发与应用  

Development and application of continuous casting slab quality analysis and monitoring system

作　　者：徐李军[1] 王占国 赵晓虎 李勇[3,4] 张琳 从俊强 张桐伟 XU Lijun;WANG Zhanguo;ZHAO Xiaohu;LI Yong;ZHANG lin;CONG Junqiang;ZHANG Tongwei(National Engineering Research Center of Continuous Casting Technology,Central Iron and Steel Research Institute,Beijing 100081,China;HBIS Group Laoting Iron and Steel Co.,Ltd.,Tangshan 063600,China;Automation Research and Design Institute of Metallurgical Industry Co.,Ltd.,Beijing 100071,China;State Key Laboratory of Metallurgical Intelligent Manufacturing System,Beijing 100071,China;School of Metallurgical Engineering,Anhui University of Technology,Ma'anshan 243002,China)

机构地区：[1]钢铁研究总院连铸技术国家工程研究中心,北京100081 [2]河钢乐亭钢铁有限公司,河北唐山063600 [3]冶金自动化研究设计院有限公司,北京100071 [4]冶金智能制造系统全国重点实验室,北京100071 [5]安徽工业大学冶金工程学院,安徽马鞍山243002

出　　处：《冶金自动化》2024年第3期45-52,共8页Metallurgical Industry Automation

基　　金：国家自然科学基金青年科学基金项目(52204330)。

摘　　要：连铸是钢铁制造流程的中心环节,连铸坯质量直接决定着钢铁产品生产效率与质量。钢铁制造过程中,在线预报铸坯质量缺陷产生与消失位置,及时追溯缺陷形成原因,对提升铸坯品质、稳定流程工序衔接、降低生产成本等具有重要作用。针对连铸生产过程的特点,以铸坯表面夹渣缺陷为突破口,基于连铸工艺原理及河钢乐亭钢铁全流程连续化程度分析数据平台,应用信息通信技术、计算机技术及大数据挖掘技术,研发了连铸坯质量分析与监控系统,实现了铸坯质量数据匹配与集成、铸坯质量缺陷预报及追溯等功能。系统已在河钢乐亭钢铁板坯连铸机上线应用,铸坯表面夹渣缺陷的预报准确率为99.95%、误报率为0.02%、漏报率为35.41%。连铸坯质量分析与监控系统成功在线应用,推进了河钢乐亭钢铁智能制造转型升级。Continuous casting is the central link in the steel manufacturing process,and the quality of continuous casting slab directly determining the production efficiency and quality of steel products.In the process of steel manufacturing,online prediction of the occurrence and disappearance of quality defects in the casting slab,timely tracing of the causes of defects,plays an important role in improving the quality of the casting slab,stabilizing the process connection,and reducing production costs.In response to the characteristics of the continuous casting production process,with slag inclusion defects on the surface of the slab as a breakthrough point,based on the principles of the continuous casting process and the data platform for analyzing the continuity of the entire process of HBIS Group Laoting Iron and Steel Co.,Ltd.,information communication technology,computer technology,and big data mining technology are applied to develop a continuous casting slab quality analysis and monitoring system,which achieves functions such as matching and integrating slab quality data,predicting and tracing slab quality defects.The system has been applied online on the slab continuous casting machine.The prediction accuracy of slag inclusion defects on the surface of continuous casting slab is 99.95%,the false alarm rate is 0.02%,and the missed detection rate is 35.41%.The successful online application of the continuous casting slab quality analysis and monitoring system has promoted the transformation and upgrading of intelligent manufacturing at HBIS Group Laoting Iron and Steel Co.,Ltd.

关 键 词：连铸 板坯 表面夹渣 数据匹配 智能制造 预报 追溯 

分 类 号：TF777[冶金工程—钢铁冶金]