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Effect of the Location of Tracer Addition in a Ladle on the Mixing Time through Physical and Numerical Modeling
ISIJ International ( IF 1.8 ) Pub Date : 2021-08-17 , DOI: 10.2355/isijinternational.isijint-2021-094
Mario Herrera-Ortega 1 , José Ángel Ramos-Banderas 1 , Constantin Alberto Hernández-Bocanegra 2 , José Julián Montes-Rodríguez 3
Affiliation  

In the present work, the release of tracer location on the global mixing time in an agitated ladle furnace by gas bottom injection was analyzed. Then, a numerical multiphasic steel-slag-argon-air system of a prototype with a capacity of 150 tons was carried out. The simulation was validated by using a physical model with a 1/6 geometric scale using colorant, KCl dispersion measurements techniques and open slag eye opening. Four different tracer addition locations were strategically established to study the influence of tracer releasing location on chemical homogenization. From the results, it was found that the measurement of mixing times varies according to the location of the tracer addition, which to a greater extent is conditioned by the convective currents that at some extent were related to turbulent viscosity.



中文翻译:

通过物理和数值模拟,在钢包中添加示踪剂的位置对混合时间的影响

在目前的工作中,分析了通过气体底部注入在搅拌钢包炉中的整体混合时间中示踪剂位置的释放。然后,进行了150吨样机的多相钢-渣-氩-空气系统数值模拟。通过使用具有 1/6 几何比例的物理模型,使用着色剂、KCl 分散测量技术和开放式渣眼张开来验证模拟。战略性地建立了四个不同的示踪剂添加位置,以研究示踪剂释放位置对化学均质化的影响。从结果中发现,混合时间的测量根据示踪剂添加的位置而变化,这在更大程度上受对流的调节,对流在某种程度上与湍流粘度有关。

更新日期:2021-08-16
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