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Development of Prediction Technique for Temperature Distribution of Molten Steel in Steelmaking

机译：钢制造钢水温度分布预测技术的研制

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摘要

To promote the transfer to younger workers through operation support, a technique has been developed to present, in a probability distribution, the deviation risk for molten steel temperature in the converter furnace, molten steel treatment, and continuous casting steps involved in processing. This technique constructs a probability distribution by converting and transferring massive amounts of recorded data concerning past performance into information corresponding to the current operational state. It is based on a physical model, weighing the information in accordance with the degree of similarity. Its advantages are that calculable factors are separated from uncertain factors in a deterministic manner, the time change of the uncertain factors is taken into account on the basis of thermal influence, and Just-In-Time modeling is applied, which enables the systematic calculation of the probability distribution even for different conditions of such factors as steel types and facilities. This technique has been applied to an actual steelmaking process, which has reduced the deviation of casting temperature from the target value to less than half of the conventional one.
机译：为了通过运营支持促进转移到年轻工人，在概率分布，在概率分布，转换器炉中钢水温度的偏差风险，钢水处理和加工过程中的连续铸造步骤，已经开发了一种技术。该技术通过转换和将关于过去性能的大量记录数据转换和传输到与当前操作状态对应的信息来构造概率分布。它基于物理模型，按照相似度的程度称重信息。其优点在于，可计算因素以确定性的方式与不确定因素分离，在热影响的基础上考虑不确定因素的时间变化，并应用了即时建模，这使得能够系统计算概率分布甚至对于这种因素的不同条件作为钢型和设施。该技术已被应用于实际的炼钢工艺，这使得铸造温度从目标值降低到不到常规铸造的偏差。

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  • 来源
    《Kobelco technology review》 |2019年第37期|56-62|共7页
  • 作者

    Nobuyuki TOMOCHIKA; Takehiro NAKAOKA; Takehiro TSUKUDA; Yoshiyuki NAGASE; Hiroshi KATSURA; Kazuki SUMIDA;

  • 作者单位

    AI Promotion Project Department Technical Development Group;

    Mechanical Engineering Research Laboratory Technical Development Group;

    Research & Development Laboratory Iron & Steel Business;

    Research & Development Laboratory Iron & Steel Business;

    Process Control Development Kakogawa Works Iron & Steel Business;

    Steelmaking Department Kakogawa Works Iron & Steel Business;

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  • 正文语种 eng
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