热轧2250mm加热炉炉顶壁面传热-应力耦合模型模拟研究

Simulation study on heat transfer stress coupling model of the top wall of the 2250 mm hot rolling line heating furnace

为减少热轧加热炉表面的热损失,采用纳米材料能够降低加热炉炉顶温度,起到节能降耗的效果,但纳米材料如何铺设是个难题。通过建立加热炉的几何模型,确定加热炉有限元计算的热力学边界和力学边界;通过加热炉有限元分析,确定加热炉的分层温度变化情况和应力变化情况,为纳米材料的应用提供数值依据。

To reduce the heat loss on the surface of the hot rolling heating furnace,the use of nanomaterials can reduce the top temperature of the heating furnace,achieving energy-saving and consumption reduction effects.However,how to lay nanomaterials is a challenge.The geometric modeling of the heating furnace is established,which determines the thermodynamic boundary and mechanical boundary of the finite element calculation of the heating furnace.By analyzing the finite element calculation results of the heating furnace,the layering temperature change and stress change of the heating furnace are determined,which provides a numerical basis for the laying of nanomaterials.