高拉速板坯连铸技术研究现状陈阳1，王芳2，魏民1，张炯明3，李富帅1，陈志凌1，李秀杰1，王学思1(1.中冶南方连铸技术工程有限责任公司，湖北武汉430073；2.武汉工程科技学院人文学院，湖北武汉430200；3.北京科技大学钢铁冶金新技术国家重点实验室，北京100083)摘要：常规板坯铸机浇注窄断面铸坯或生产品种钢时，浇注周期被迫延长，难以实现炉机匹配，严重制约了炼钢车间的生产能力，因此提高连铸机的生产率迫在眉睫，高拉速已成为现代连铸发展的重要方向。本文回顾了国内外高拉速板坯连铸技术发展历程，总结了高拉速连铸的技术特点，重点介绍了高效强冷结晶器、非正弦振动、钢液流动控制、高拉速结晶器保护渣、FC(flowcontrol)结晶器、二冷精准控制等多项关键技术，用于解决高拉速板坯稳定生产的技术难题。高拉速的实现是一项集工艺、装备、生产操作与自动化控制于一体的综合性技术。关键词：高拉速；板坯连铸；FC结晶器；液面波动；二冷精准控制中图分类号：TF777.1文献标识码：A文章编号：1000-8365(2023)03-0274-12ResearchStatusofHighSpeedSlabContinuousCastingTechnologyCHENYang1,WANGFang2,WEIMin1,ZHANGJiongming3,LIFushuai1,CHENZhiling1,LIXiujie1,WANGXuesi1(1.CCTECEngineeringCo.,Ltd.,Wuhan430073,China;2.FacultyofHumanities,WuhanUniversityofEngineeringScience,Wuhan430200,China;3.StateKeyLaboratoryofAdvancedMetallurgy,UniversityofScienceandTechnologyBeijing,Beijing100083,China)Abstract：Whencastingnarrowsectionsorproducinghighqualitysteelgradesbyconventionalslabcaster,thepouringcycleisforcedtobeprolonged,anditisdifficulttoachievematchingofthefurnaceandcaster,whichseriouslyrestrictstheproductioncapacityofsteelmakingworkshops.Therefore,itisurgenttoimprovetheproductivityofcaster,andhighcastingspeedhasbecomeanimportantdevelopmentdirectionofmoderncontinuouscasting.Thispaperreviewsthedevelopmenthistoryofhighspeedslabcontinuouscastingtechnologyathomeandabroad,summarizesthetechnicalcharacteristicsofhighspeedcontinuouscasting,andfocusesonthehighefficiencystrongcoolingmold,nonsinusoidaloscillation,moltensteelflowcontrol,moldpowder,FC(flowcontrol)mold,secondarycoolingprecisioncontrolandotherkeytechnologies,whichareusedtosolvethetechnicalproblemofsta...
