合金化过程中抑制烟囱效应的数值模拟研究

发布时间：2018-04-28 18:01

  本文选题：合金化炉 + 数值模拟　； 参考：《铸造技术》2016年11期

【摘要】：以热镀锌机组合金化炉为研究对象,建立合金化炉内空气流动与热交换的物理模型和数学模型,对炉体侧封不同高度以及增设阻流板前后情况进行对比,研究阻流板对带钢表面温度的影响。利用CFD软件,采用标准k-ε湍流模型,对合金化炉内流场和温度场的分布进行数值模拟研究,得到炉内流场和温度场分布特征。结果表明:在相同的加热功率条件下,炉体无侧封高度,增设阻流板将有助于提高炉内气流温度;然而,在炉体侧封高度分别为0.09、1.29 m的情况下,阻流板抑制炉内热气流的烟囱效应,阻碍热气流对带钢的加热作用,导致带钢表面温度降低。
[Abstract]:The physical and mathematical models of air flow and heat exchange in alloying furnace are established by taking alloying furnace of hot-dip galvanizing unit as the research object. The different height of side seal of furnace body and the situation before and after adding baffle plate are compared. The effect of baffle plate on the surface temperature of steel strip was studied. The distribution of flow field and temperature field in alloying furnace was numerically simulated by using standard k- 蔚 turbulence model with CFD software, and the distribution characteristics of flow field and temperature field in alloying furnace were obtained. The results show that under the same heating power condition, the furnace body has no side seal height and the flow resistance plate will help to increase the air flow temperature in the furnace, however, when the side seal height of the furnace body is 0.09 ~ 1.29 m, The baffle plate inhibits the chimney effect of the hot air flow in the furnace, hinders the heating effect of the hot airflow on the strip, and results in the decrease of the surface temperature of the strip.
【作者单位】： 武汉科技大学教育部冶金自动化与检测技术工程研究中心;
【基金】：武汉科技大学大学生科技创新项目资助 武汉科技大学教育部冶金自动化与检测技术工程研究中心开放基金,热镀锌合金化过程温度控制与质量优化研究(项目编号:MADT201606)
【分类号】：TG155.1
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本文编号：1816304