不同冷却结构倒角结晶器与直角结晶器铜板温度场的研究  

Study on temperature distribution of chamfered and rectangular mould copper plate with different cooling structures

作　　者：乔焕山[1] 路殿华[2] 任飞飞[3] 王明林[3,4] 张慧 QIAO Huan-shan;LU Dian-hua;REN Fei-fei;WANG Ming-lin;ZHANG Hui(Shougang Jingtang Limited Iron and Steel Co.,Ltd.,Tangshan 063200,Hebei,China;Handan Iron and Steel Co.,Ltd.,Handan 056009,Hebei,China;National Engineering and Research Center of Continuous Casting Technology,Central Iron and Steel Research Institute,Beijing 100081,China;New Metallurgy Hi-Tech Group Co.,Ltd.,Beijing 100081,China)

机构地区：[1]首钢京唐钢铁联合有限责任公司,河北唐山063200 [2]邯郸钢铁集团有限责任公司,河北邯郸056009 [3]钢铁研究总院连铸技术国家工程研究中心,北京100081 [4]新冶高科技集团有限公司,北京100081

出　　处：《连铸》2020年第1期1-5,共5页Continuous Casting

基　　金：国家重点研发计划项目(2017YFB0304004)。

摘　　要：角部温度对铸坯质量有较大的影响,建立了直角结晶器、2孔1槽倒角结晶器、3孔倒角结晶器和3孔1槽倒角结晶器铜板温度场的三维稳态数学模型,在相同的边界条件下,模拟分析了这4种结晶器的冷却行为及传热特性。对于不同类型铜板的温度分布数值模拟结果表明,相比于直角结晶器,倒角结晶器铜板角部温度有明显的提高,并且窄面的横向温度分布也与直角不同,呈现"W"形分布。2孔1槽型倒角结晶器窄面铜板比其他类型窄面铜板传热性能好,温度分布均匀,为倒角结晶器窄面铜板的设计提供了理论基础。The corner temperature has a great influence on the quality of the slab,three-dimensional steady-state mathematical model of the temperature field of a rectangular mould,a 2-hole plus 1-slot chamfered mould,a 3-hole chamfered mould and a 3-hole plus 1-slot chamfered mould were established. Under the same boundary conditions,the cooling behavior and heat transfer characteristics of these four moulds were analyzed. The numerical simulation results of temperature distribution of different types of copper plates show that compared with the rectangular mould,the corner temperature of the chamfering mould copper plate is obviously improved,and the lateral temperature distribution of the narrow face is different from the rectangular mould,showing a "W" shape distribution. The results showed that the 2-hole plus 1-slot chamfered mould narrow-faced copper plate has better heat transfer performance than other types of narrow-faced copper plates,and the temperature distribution is uniform,which provides a theoretical basis for the design of the copper plate.

关 键 词：倒角结晶器 冷却结构 传热 

分 类 号：TF341.6[冶金工程—冶金机械及自动化]