| CSP中间包内腔优化的数值模拟 |
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| 引用本文： | 朱正海,徐其言,周俐,常立忠,仇圣桃.CSP中间包内腔优化的数值模拟[J].安徽工业大学学报,2014(1):15-19. |
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| 作者姓名： | 朱正海 徐其言 周俐 常立忠 仇圣桃 |
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| 作者单位： | [1]安徽工业大学冶金工程学院,安徽马鞍山243002 [2]钢铁研究总院连铸技术国家工程研究中心,北京100081 |
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| 基金项目： | 国家自然科学基金项目（51304003）;安徽高校省级自然科学研究重点项目（KJ2012Z037） |
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| 摘 要： | 针对CSP中间包内冶金过程,建立中间包内钢水流场、温度场、夹杂物运动的数学模型,对不同挡墙和挡坝的5种组合方案的中间包钢水,从流动、传热和去夹杂能力等方面进行分析。结果表明:不同挡墙和挡坝的组合方案中,方案5效果最佳,其结构合理,钢液停留时间有效延长,利于夹杂物的上浮;没有明显的低温区域,中间包出口与入口的温差为5℃;对50μm的夹杂物能去除98.4%,对40μm的夹杂物去除率达到92.3%。
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| 关 键 词： | 中间包 流场 温度场 夹杂物 数值模拟 |
Numerical Simulation of the Intracavity Optimization of CSP Tundish |
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| Affiliation: | ZHU Zhenghai, ZHOU Li, CHANG Lizhong, SHI Xiangfang, QIU Shentao (1.School of Metallurgical Engineering, Anhui University of Technology, Ma＇anshan 243002,China;2.National Engineering Research Center of Continuous Casting Technology, Central Iron and Steel Research Institute, Beijing 100081,China) |
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| Abstract: | As to the metallurgical process of CSP tundish, mathematical models of flow field, temperature field and inclusion movement of molten steel flow in tundish were established and flow, heat transfer and inclusion ability of molten steel in tundish of five different combinations of weirs and dams schemes were analyzed. The results show that scheme 5 is the best for its reasonable structure, residence time of liquid steel prolonged and conduciveness to inclusion floatation; Scheme 5 doesn＇ t contain obvious low temperature area, exit and entry of the tundish temperature difference is 5 ℃; In scheme 5, 98.4% of 50 μm inclusions can be removed while 40 μm of the inclusion removal rate can reach 92.3%. |
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| Keywords: | tundish flow field temperature field inclusion numerical simulation |
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