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首页> 外文会议>CSISE 2011;Conference on computer science, intelligent system and environment >Application and Study on Heat Transfer Model for Continuous 82B Billet Casting
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Application and Study on Heat Transfer Model for Continuous 82B Billet Casting

机译：82B连铸坯传热模型的应用研究

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摘要

The centerline segregation in the 82B steel billet reduces seriously the final product quality; it is closely related to the unreasonable secondary cooling water system. This paper has established a two-dimensional non-steady-state heat transfer model for the continuous 82B billet casting process, and optimized the existing secondary cooling water scheme, The results show that: the strand surface temperature falling rate is lower than the center temperature falling rate in the original cooling water scheme; it is necessary to add an additional cooling subzone after the fourth subzone for decreasing centerline segregation; the optimal cooling water scheme is that cooling intensity of the fifth subzone is increased by 150% compared with the original fourth subzone.
机译：82B钢坯中线的偏析严重降低了最终产品的质量;它与不合理的二次冷却水系统密切相关。建立了连续82B钢坯连铸过程的二维非稳态传热模型，并对现有的二次冷却水方案进行了优化，结果表明：铸坯表面温度下降率低于中心温度原始冷却水方案的下降率;必须在第四个分区之后添加一个额外的冷却分区，以减少中心线偏析;最佳的冷却水方案是，第五分区的冷却强度比原始第四分区提高了150％。

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