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首页> 外文会议>The 2nd International symposium on clean steel >Study on Desulphurization in Molten Iron Pretreatment Process Based on a New Stirring Method
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Study on Desulphurization in Molten Iron Pretreatment Process Based on a New Stirring Method

机译：基于新型搅拌法的铁水预处理脱硫研究

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摘要

In this work, numerical simulations for the flow characteristics in a tank of KR mechanical stirring or/and gas injection are performed using the Fluent software. The Eulerian multi-fluid model is employed along with the standard k-s turbulence model to simulate the gas-liquid flow in the stirring tank. A multiple reference frame approach is used to model the impeller rotation. Combined the KR mechanical stirring method and gas injection method, a new gas injection plus mechanical stirring method is proposed. The present results show that the gas phase distributes widely in the eccentric gas injection plus mechanical stirring tank. Therefore, the gas holdup would be increased and the better gas-liquid mixing effect can be obtained in the gas injection plus mechanical stirring case.
机译：在这项工作中，使用Fluent软件对KR机械搅拌或/和注气罐中的流动特性进行了数值模拟。欧拉多流体模型与标准k-s湍流模型一起使用，以模拟搅拌罐中的气液流动。多参考框架方法用于模拟叶轮旋转。结合KR机械搅拌法和注气法，提出了一种新的注气加机械搅拌法。目前的结果表明，在偏心注气加机械搅拌罐中气相分布广泛。因此，在注气加机械搅拌的情况下，气体的滞留量将增加，并且可以获得更好的气液混合效果。

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  • 来源
  • 会议地点 Shenyang(CN)
  • 作者

    LIANG Ru-quan; JI Jun-hong; HE Ji-cheng;

  • 作者单位

    Key Laboratory of National Education Ministry for Electromagnetic Process of Materials, Northeastern University, Shenyang 110819, Liaoning, China;

    Key Laboratory of National Education Ministry for Electromagnetic Process of Materials, Northeastern University, Shenyang 110819, Liaoning, China School of Mechanics and Engineering, Liaoning Technical University, Fuxin 123000, Liaoning, China;

    Key Laboratory of National Education Ministry for Electromagnetic Process of Materials, Northeastern University, Shenyang 110819, Liaoning, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 炼钢;
  • 关键词

    KR mechanical stirring; gas injection; numerical simulation; fluid mixing; magnesium desulphurization;

    机译：KR机械搅拌；气体注入数值模拟流体混合；镁脱硫;

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