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首页> 外文期刊>ISIJ international >Effects of Thermal Shields on Temperature of a Hot Steel Strip in Rolling Process
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Effects of Thermal Shields on Temperature of a Hot Steel Strip in Rolling Process

机译：热屏蔽对轧制过程中热钢带温度的影响

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摘要

The temperature of the hot steel strip between roughing and finishing mills is important parameter to manufacture the high-quality products. It has great influences on mechanical properties and manufacturing costs of the steel products. The hot steel strip between roughing and finishing mills has considerable heat loss and temperature drop due to the exposure to cold environment and air. The thermal shield is required to reduce the heat loss and temperature drop of the hot steel strip. Thus, the model prediction for the temperature of the hot steel strip is developed to design the thermal shield and identify its effects. The experiment for the hot steel strip sample is performed to validate the model prediction. The results of the experiment and model prediction have the good agreement for different emissivity and temperature of the thermal shields. In addition, the temperature variation and distribution of the hot steel strip between roughing and finishing mills is predicted for different geometries of the thermal shields. The thermal shield with low emissivity and high temperature reduces the temperature drop of the hot steel strip for practical purposes.
机译：粗加工和精加工厂之间的热钢带的温度是制造高质量产品的重要参数。它对钢铁产品的机械性能和制造成本具有很大影响。由于暴露于冷环境和空气，粗加工和整理厂之间的热钢带具有相当大的热量损失和温度降低。需要防止热屏蔽以减少热钢带的热损失和温度下降。因此，开发了热钢带温度的模型预测来设计热屏蔽并识别其效果。进行热钢带样品的实验以验证模型预测。实验和模型预测的结果具有对热屏蔽的不同发射率和温度的良好一致性。另外，预测粗钢带之间的热钢带的温度变化和分布，用于热屏蔽的不同几何形状。具有低发射率和高温的热屏蔽可降低热钢带的温度下降以进行实际目的。

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