热轧板坯加热温度场数值模拟及应用

来源期刊：钢铁2009年第1期

论文作者：李俊洪 林霞 刘勇 温亚成 李卫平 李玉和

文章页码：43 - 46

关键词：步进梁式加热炉； 板坯加热； 温度场； 优化

Key words：walking beam heating furnace； slab reheating； temperature field； optimization

摘    要：建立了三段步进梁式加热炉板坯加热过程数学模型,用全隐式有限差分法对数学模型进行离散化,开发了板坯温度场计算模型。采用该模型重点研究了板坯宽度对板坯中心温度变化过程的影响规律。研究结果表明,对于厚度为200 mm的板坯,当板坯宽度大于600 mm时,板坯中心温度变化过程与板坯宽度无关。以此为根据,优化了板坯加热工艺,达到了提高生产效率并节能减排的目的。

Abstract: A mathematical model for slAbs heated in a 3-zone walking beam re-heating furnace was established.The finite difference method was used for discretion of the mathematical model and a computational software was developed.The influence of the slab width on slab temperature was studied.It was found that for 200 mm-thick slab,when the width was above 600 mm,the slab width had no influence on the slab center temperature.According to the result,the slab reheating process was optimized for productivity enhancement and energy saving.