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Numerical Simulation and Experimental Investigation on Inclusion-Argon-Liquid Steel Phenomenon in RH Refining of High-Manganese and High-Aluminum Steel

机译：高锰和高铝钢RH精炼中包含氩液钢现象的数值模拟及实验研究

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摘要

In this paper, factors influencing the inclusion removal in high-manganese and high-aluminum steel in RH refining process were studied by numerical simulations, production practice, and metallographic experiments. A mathematical model for inclusion removal was established, and the phenomenon of inclusions mixing in RH up-leg region was verified due to fluid circulation. Removal efficiency of RH circulation time 120 s is much better than 600 s, and it was the lowest efficiency after 600 s. After 600 s circulation time, it shall not apply in production practice. The mass concentration of inclusions in practical steel was 11.64% probability error than values obtained by numerical simulation, because the numerical simulation did not consider the problem of inclusions adsorbing to the walls of refractory materials and corrosion of refractories. This work lays the foundation for the optimization and upgrading of process technology and establishes big data for full automation of RH out of furnace refining.
机译：本文通过数值模拟，生产实践和金相实验研究了影响高锰和高铝钢中掺入的含量除去的因素。建立了一种用于夹杂物去除的数学模型，并且由于流体循环而验证了RH上腿区域中混合的夹杂物的现象。 RH循环时间120 s的去除效率远优于600秒，是600秒后的最低效率。在600年代的循环时间之后，它不应适用于生产实践。实际钢中夹杂物的质量浓度是通过数值模拟获得的值的11.64％概率误差，因为数值模拟没有考虑吸附到耐火材料墙壁和耐火材料的腐蚀的夹杂物问题。这项工作为过程技术的优化和升级提供了基础，并建立了RH完全自动化的大数据。

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  • 来源
    《Mathematical Problems in Engineering》 |2019年第19期|1562417.1-1562417.9|共9页
  • 作者

    Chen Lifeng; Liu Kun; Han Peng; Feng Lianghua; Liu Guangqiang;

  • 作者单位

    Univ Sci & Technol Liaoning Sch Met & Mat Anshan 114000 Peoples R China;

    Univ Sci & Technol Liaoning Sch Met & Mat Anshan 114000 Peoples R China;

    Univ Sci & Technol Liaoning Sch Met & Mat Anshan 114000 Peoples R China;

    Univ Sci & Technol Liaoning Sch Met & Mat Anshan 114000 Peoples R China;

    Univ Sci & Technol Liaoning Sch Met & Mat Anshan 114000 Peoples R China;

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