连续造板模具:喷嘴沉浸深度的关键作用
Liang Chen1, Xiqing Chen1, Pu Wang1
1School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, No. 30 Xueyuan Road, Haidian District, Beijing 100083, China.
Materials (Basel, Switzerland)
|October 16, 2024
概括
在板材造中,优化潜水入口喷嘴 (SEN) 深度至关重要. 理想的SEN深度平衡了模具表面的行为和渣的捕获,在110mm或190mm提供了连续造的最稳定的条件.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 流体动力学 流体动力学
背景情况:
- 连续造是钢铁生产中至关重要的过程.
- 潜入入口喷嘴 (SEN) 设计显著影响造质量.
- 了解SEN深度效应对于防止诸如废渣陷等缺陷至关重要.
研究的目的:
- 为了研究潜水入口喷嘴 (SEN) 深度对板材造中的模具行为的影响.
- 确定最佳的SEN深度,以最大限度地减少废渣的捕获,并确保稳定的造.
- 分析SEN深度对流场,温度和固化的影响.
主要方法:
- 使用了物理水模型,其缩放因子为0.5.
- 采用了对流量,热传递和凝固的合数值模型.
- 分析了模具表面的行为,渣渣的捕获,内部流量和温度分布.
主要成果:
- 浅浅的SEN深度 (80毫米) 会导致薄薄的渣层和陷.
- 增加SEN深度 (高达170毫米) 会减少模具的冲击,促进循环,但可能会增加入风险.
- 在110毫米处观察到最佳稳定性;更深的沉浸 (190毫米) 也显示出希望,避免了关键深度范围.
结论:
- SEN深度极大地影响了渣渣的行为和造稳定性.
- 一个较浅的 (大约. 110毫米) 或更深 (大约. 190毫米) 建议在中间深度进行SEN沉浸.
- 适当的SEN深度控制对于高质量的连续造至关重要.
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