板坯连铸结晶器摩擦力在线检测试验研究  

Online Detection of Mold Friction in Slab Continuous Casting

作　　者：张帅[1] 王旭东[1] 姚曼[1] 马红军[1] 田勇[2] 张晓兵[3] 

机构地区：[1]大连理工大学材料科学与工程学院,辽宁大连116024 [2]鞍钢股份有限公司,辽宁鞍山114021 [3]江苏沙钢集团,江苏张家港215625

出　　处：《连铸》2014年第2期19-25,共7页Continuous Casting

基　　金：国家自然科学基金项目(51004012);国家高技术研究发展计划(863)项目(2009AA04Z134);中国博士后科学基金项目资助(2012M520621/2013T60511)

摘　　要：结晶器与铸坯间的润滑和摩擦行为是影响铸坯质量及连铸顺行的重要因素。以板坯连铸为对象,开展结晶器摩擦力在线检测试验研究,考察液位波动、更换水口、在线调宽与异钢连浇过程中摩擦力的反应和变化趋势,测试并分析了开浇、拉速上升和降低等不同条件下摩擦力的波动规律和特征,为把握和控制结晶器内复杂润滑与摩擦行为提供试验依据。The friction behavior between slab and mold has a great effect on slab quality and smooth production. In the present work, the mold process for slab continuous casting is taken as an object, and mold/slab friction is con- tinuously detected on the arced continuous caster. The response of friction to the variation and change of mold level, submerged entry nozzle （SEN）, slab width and steel grades are discussed. Besides, the characteristic of friction var- iation during start-up and casting speed increasing/decreasing process are also investigated and analyzed. It provides an experimental basis for grasping and controlling complicated lubrication and friction behavior.

关 键 词：结晶器摩擦力 在线检测 板坯连铸 

分 类 号：TF777.1[冶金工程—钢铁冶金] TP274[自动化与计算机技术—检测技术与自动化装置]