邯钢3500mm热轧板坯加热工艺仿真与应用研究__tr.pdfVIP

总第 179期 河北冶全 Total l79 2010年第5期 HEBEI METALLURGY 2010，Number 5 邯钢3 500 mm热轧 板坯加热工艺仿真与应用研究 万晓航 ，董兆伟 ，刘胜永 (1．河北工业职业技术学院，河北 石家庄 050091；2．河北师范大学 职业技术学院，河北 石家庄 050031) 摘要：在瞬态非线性热分析理论基础上，采用有限元方法，研究了中厚板坯加热过程中全时域内温度场 变化规律。针对实际生产加热工艺，建立了邯钢中板厂3 500 mm轧机板坯加热过程分析模型，考虑了 导热系数、比热变化对加热的影响，仿真了中厚板坯的加热过程，得出加热炉温度与加热速度对板坯加 热质量的影响规律，优化了板坯加热工艺，降低了能源消耗。 关键词：热轧；板坯；加热；工艺；仿真；应用；研究 中图分类号：TG333．7 文献标识码：A 文章编号：1006—5008(2010)05—0014—04 RESEARCH ABOUT SIMULATION OF HEATING PROCESS FOR 3500 mm HOT—ROLLED SLAB AND ITS APPLICATION Wan Xiaohang ，Dong Zhaowei ，Liu Shengyong (Hebei Institute of Industrial Vocation and Technique，Sh~iazhuang，Hebei，050091；2．Institution of Indus— trial Vocation and Technique，Hebei Normal University，Sh~iazhaung，Hebei，05003 1) Abstract：Based on instantaneous—state nonlinear thermal analysis theory，the change law of temperature field from the beginning tO the end of heating process of medium and heavy slab is studied with finite element method．According to the actual production process，the analysis model for slab heating process of 3500 mm rolling mill is constructed；the medium and heavy slab heating process is simulated referring to the effect of thermal conductivity and change of specific heat；the affecting law of heating furnace temperature and heating speed on heating quality is concluded，slab heating process optimized，energy consumption reduced． Key Words：hot—rolling；slab；heating；process；simulation；application；study 中厚板坯加热工艺在中厚板轧制生产中占有十 在实际生产中，由于缺乏可行的检测手段，钢坯 分重要的地位，加热质量直接影响产品的质量、产