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Numerical Simulation on Fluid Flow in Hot Metal Pretreatment

机译：铁水预处理中流体流动的数值模拟

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摘要

Basing on the commercial CFD method, several models are adopted to simulate water model. The numerical simulation results are in good agreement with the experimental data of water model under the same experimental conditions. Then the numerical simulation method is presented to investigate the flow field, the vortex on gas-liquid surface and the uniform mixing time in hot metal ladles. This research shows: the vortex depth increases with increasing of immersion depth and rotation speed; Overflow appears in AN120rpm and A=3.2m; the turbulent kinetic energy increases with increasing immersion depth and rotation speed; uniform mixing time decreases with the decreasing of immersion depth and the rotation speed of stirring; the optimal uniform mixing time is 23.5s on the conditions of Af= 100rpm and h=3.2m within the allowable range.
机译：基于商业CFD方法，采用几种模型来模拟水模型。在相同实验条件下，数值模拟结果与水模型实验数据吻合良好。然后提出了数值模拟方法，研究了铁水罐中的流场，气液表面的涡流以及均匀的混合时间。研究表明：涡旋深度随着浸没深度和旋转速度的增加而增加；溢出出现在AN120rpm和A = 3.2m；湍动能随着沉浸深度和旋转速度的增加而增加。均匀的搅拌时间随着浸入深度的减小和搅拌转速的降低而减小。在Af = 100rpm和h = 3.2m在允许范围内的条件下，最佳均匀混合时间为23.5s。

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  • 来源
  • 会议地点 Shenyang(CN)
  • 作者

    SHAO Pin; ZHANG Ting-an; LIUYan; ZHAO Hong-liang; HEJi-cheng;

  • 作者单位

    Laboratory of Ecological Untilization of Multi-Metal Intergrown Ores of Education Ministry, Shenyang 110004, Liaoning, China;

    Laboratory of Ecological Untilization of Multi-Metal Intergrown Ores of Education Ministry, Shenyang 110004, Liaoning, China;

    Laboratory of Ecological Untilization of Multi-Metal Intergrown Ores of Education Ministry, Shenyang 110004, Liaoning, China;

    Laboratory of Ecological Untilization of Multi-Metal Intergrown Ores of Education Ministry, Shenyang 110004, Liaoning, China;

    Laboratory of Ecological Untilization of Multi-Metal Intergrown Ores of Education Ministry, Shenyang 110004, 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; vortex; uniform mixing time; turbulent kinetic energy; numerical simulation;

    机译：KR;涡流;均匀的混合时间；湍动能数值模拟;

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