步进底加热炉三维瞬态加热过程数学模型与验证  

Mathematical model and verification of 3D transient heat transfer in a walking bottom reheating furnace

作　　者：何雪莉 李栋 豆瑞锋 梁敬斌 尤晓东 尹海清 刘训良 He Xueli;Li Dong;Dou Ruifeng;Liang Jingbin;You Xiaodong;Yin Haiqing;Liu Xunliang(University of Science and Technology Beijing;HEYE Special Steel Co.,Ltd.)

机构地区：[1]北京科技大学能源与环境工程学院 [2]北京科技大学钢铁共性技术协同创新中心 [3]河冶科技股份有限公司

出　　处：《冶金能源》2024年第5期17-22,共6页Energy For Metallurgical Industry

基　　金：国家重点研发计划项目(2018YFB0605900)。

摘　　要：以步进底加热炉炉内钢坯瞬态传热过程为研究对象,综合考虑钢坯、步进底、炉衬、炉气等之间的相互影响,建立了炉内钢坯的三维瞬态传热模型。采用黑匣子实验对模型进行验证表明,该模型能够准确预测加热过程中钢坯内部的温度水平以及变化规律,模型预测精度在6%以内的命中率在80%以上,为今后的工艺优化提供了理论指导。Taking the transient heat transfer process of billet in the step-bottom heating furnace as the research object,the three-dimensional transient heat transfer model of the billet in the furnace was established by comprehensively considering the interaction between the billet,the stepping bottom,the lining,and the combustion gas.The black box experiment is used to verify the model,which shows that the model can accurately predict the temperature level and change law inside the billet during the heating process,and the model prediction error is less than 6%and the hit rate is more than 80%,which provides theoretical guidance for future process optimization.

关 键 词：步进底加热炉 辐射传热 数学模型 黑匣子实验 

分 类 号：TG307[金属学及工艺—金属压力加工]