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首页> 外文会议>CFD modeling and simulation in materials processing 2018 >CFD Modeling of Transport Phenomena and Inclusion Removal in a Gas-Stirred Ladle
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CFD Modeling of Transport Phenomena and Inclusion Removal in a Gas-Stirred Ladle

机译：气体搅拌钢包中运输现象和夹杂物去除的CFD建模

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摘要

A three-dimensional, transient CFD modeling approach has been developed to predict the multiphase fluid flow, slag-steel interface characteristics and inclusion removal in a gas-stirred ladle with taking the fluctuant top slag layer into account. The comparison with experimental data indicates that the model can accurately predict the slag-steel interface and slag eye characteristics. The discrete phase model was used to trace the individual inclusion movement through particle trajectory. Finally, the contribution of different removal mechanisms on the inclusion removal was investigated. The results show that the slag capture is the prevailing mechanism for inclusion removal. The bubble-inclusion attachment also helps remove a considerable amount of inclusions, while the inclusion removal ratio by wall adhesion is quite low.
机译：已经开发出了一种三维瞬态CFD建模方法，以在考虑到波动的顶部炉渣层的情况下，预测气体搅拌钢包中的多相流体流量，炉渣-钢界面特性和夹杂物的去除。与实验数据的比较表明，该模型可以准确预测渣钢界面和渣眼特性。离散相模型用于通过粒子轨迹跟踪单个夹杂物的运动。最后，研究了不同去除机制对夹杂物去除的贡献。结果表明，渣捕获是去除夹杂物的主要机制。气泡-夹杂物的附着也有助于去除大量的夹杂物，而通过壁粘附的夹杂物去除率却很低。

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