连铸板坯电磁搅拌技术的发展现状及讨论  

Review of continue casting slab electromagnetic stirring technology

作　　者：杨宝 张慧[1] 王明林[1] 王学兵[1] 刘斌[1] 刘帅 Yang Bao;Zhang Hui;Wang Minglin;Wang Xuebin;Liu Bin;Liu Shuai(National Engineering Research Center of Continuous Casting Technology of Central Iron&Steel Research Institute,Beijing 100081,China;School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,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]北京科技大学冶金与生态工程学院,北京100083

出　　处：《钢铁钒钛》2021年第5期149-157,共9页Iron Steel Vanadium Titanium

摘　　要：简述了连铸板坯电磁搅拌技术的发展过程和现存问题,重点阐述了连铸板坯生产过程中结晶器内和二冷区电磁搅拌的工作原理和技术特点,对电磁搅拌器的安装位置进行了归纳,同时总结了板坯结晶器电磁搅拌和二冷区电磁搅拌的研究现状,探究了影响板坯电磁搅拌效果的因素及其主次关系,归纳了用于二冷区电磁搅拌支撑辊的作用及需继续探究的方向,分析了板坯电磁搅拌技术对铸坯内元素分布和等轴晶区间隙率的影响,为以后的板坯电磁搅拌研究者提供参考。The development process and existing problems of electromagnetic stirring technology for continuous casting slabs were briefly described,focusing on the working principle and technical characteristics of electromagnetic stirring in the mold and the secondary cold zone during the production of continuous casting slabs.The installation position of the electromagnetic stirrer and the research status of electromagnetic stirring in the slab mold as well as electromagnetic stirring in the secondary cold zone were summarized.The factors affecting the electromagnetic stirring effect of slab and their primary and secondary relationships were discussed,and the electromagnetic stirring support roll used in the secondary cold zone was summarized.The role of slab electromagnetic stirring technology and the direction to be further explored were analyzed.The influence of slab electromagnetic stirring technology on the element distribution and equiaxed grain gap ratio in the cast slab was analyzed.

关 键 词：连铸 板坯 结晶器 电磁搅拌 二冷区 

分 类 号：TF777[冶金工程—钢铁冶金]