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首页> 外文会议>第四届发展中国国家连铸国际会议（The 4th International Conference on Continues Casting of Steel in Developing Countries） >Study on Behavior of Flow Field in Wide-Thick Slab Mold
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Study on Behavior of Flow Field in Wide-Thick Slab Mold

机译：厚板坯模具流场行为的研究

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摘要

The flow field characteristic of slab mold was studied by using water physical modeling. The study focused on the relation between upstream flow velocity and surface longitudinal crack under the condition of blowing gas. The results indicate that the main reason of surface longitudinal crack was the weaker upstream flow. The upstream flow velocity is too small to lead the temperature uniform, which results in surface longitudinal crack, and a bad influence on mold flux melting. The nozzle was optimized by means of changing the form and the area of the middle hole and side hole. The upstream flow velocity can be increased by nozzle optimization to improve the flow field of mold. Furthermore, the results of laboratory were validated by plant experiment in the paper.
机译：利用水物理模型研究了板坯模具的流场特性。研究的重点是在吹气条件下上游流速与表面纵向裂纹之间的关系。结果表明，表面纵向裂纹的主要原因是上游流动较弱。上游流速太小而无法导致温度均匀，从而导致表面纵向裂纹，并且对保护渣的熔化有不利影响。通过改变中间孔和侧孔的形状和面积来优化喷嘴。通过喷嘴优化可提高上游流速，以改善模具的流场。此外，通过植物实验验证了实验室的结果。

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