大型高炉炉缸浇注修复技术研究与应用  

Study and Application of Holistic Pouring Repair Technology of Large-sized BF Hearth Lining

作　　者：张福明 贾国利[2] 张勇 赵满祥[2] 焦克新[4] ZHANG Fuming;JIA Guoli;ZHANG Yong;ZHAO Manxiang;JIAO Kexin(Shougang Group Co.,Ltd.,Beijing 100041,China;Ironmaking Division,Beijing Shougang Co.,Ltd.,Qian'an 064400,Hebei,China;Research Institute of Technology of Shougang Group Co.,Ltd.,Beijing 100041,China;School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,China)

机构地区：[1]首钢集团有限公司,北京100041 [2]北京首钢股份有限公司炼铁部,河北迁安064400 [3]首钢集团有限公司技术研究院,北京100041 [4]北京科技大学冶金与生态工程学院,北京100083

出　　处：《炼铁》2024年第5期1-7,共7页Ironmaking

摘　　要：为了有效延长炉役中后期高炉寿命,开发了高炉炉缸内衬浇注修复技术,在首钢股份3座高炉上应用,取得了显著的应用成效和经济效益。系统阐述了高炉炉缸内衬浇注修复技术关键技术及特点,开展了炉缸内衬浇注修复多场仿真模拟研究。简要分析了高炉停炉及相关技术,如高炉快速停炉降温技术、残铁口精准定位技术、炉缸侵蚀内型数字化成像技术;重点分析了炉缸内衬浇注修复技术,如炉缸内衬浇注料选择、炉缸内衬浇注结构设计优化、炉缸内衬整体浇注修复技术、炉缸内衬侵蚀模型的重构等,同时指出了本项技术的关键操作要素和未来预期的应用效果。In order to effectively prolong the campaign life of blast furnace in its middle and late period of service,the holistic pouring repair technology of blast furnace hearth lining is developed and applied in 3 large-sized blast furnaces of Shougang,remarkable application results and economic benefits are achieved.The key technical points and features of the holistic repair technology of hearth lining are systematically described.A multi-field simulation study is carried out.And,the furnace blowout operation technology as well as the relevant technologies are analyzed,such as fast cooling technology for furnace blowout,accurate location of salamander-taphole,digital three-dimensional scanning imaging of hearth lining erosion shape;holistic pouring repair technology of hearth lining,such as selecting of castable for hearth lining,optimization of repaired lin-ing construction,holistic pouring repair technology,reconstruction of the erosion model of the hearth lining,etc.Meanwhile,the key operating factors and the expected application effects of this technology are pointed out.

关 键 词：大型高炉 炉缸内衬 浇注修复 长寿 

分 类 号：TF54[冶金工程—钢铁冶金]