连铸结晶器中保护渣渣膜传热的研究现状  

Present State of Research on Heat Transfer of Casting Flux Film in Continuous Casting Mold

作　　者：张平[1] 魏庆成[1] 王家荫 董凌燕[1] 

机构地区：[1]重庆大学

出　　处：《钢铁研究学报》1995年第4期74-82,共9页Journal of Iron and Steel Research

基　　金：国家自然科学基金资助项目

摘　　要：铸坯的表面缺陷都是在结晶器中钢水开始结晶时由于传热不均或传热强度不当而引起的。渗入结晶器与凝固坯壳之间的保护渣渣膜的传热能力对结晶器内的传热速度和传热均匀性均有重要影响。本文收集了近１０年来国内外对渣膜传热的主要研究成果，着重介绍和分析了其研究方法，并提出了今后研究的方向。The surface defects of steel are caused by uneven heat transfer or inap-propriate heat transfer strength when melten steel in the mold begins to crystallize。The heat transferability of flux film penetrating into the gap between the mold and sol idified shell has an important effect on heat transfer rate and its homogeneity in the mold. This paper summarized the main results achieved in the heat-transfer of slag film in the mold in recent ten years,with the emphasis on introducing and analysing the methods used in the researches while figuring out the direction of its development in the future。

关 键 词：连铸结晶器 保护渣 渣膜 传热 钢锭 

分 类 号：TF771.1[冶金工程—钢铁冶金]