Water Modeling Experiment on Factors of Casting Process to Intermixed Slab Length during Grade Transition
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摘要: 通过1∶3水力学模型,对重钢板坯异钢种连浇过程进行水力学模拟,研究不同拉速、中间包余钢量和浇铸顺序条件下沿铸坯长度方向的无量纲浓度变化曲线。结果表明,增大通钢量、降低余钢量和先浇铸元素成分浓度低的钢都会减少交接坯长度,但中间包余钢量比其他两个因素对交接坯长度有更显著的影响。Abstract: Taking the No.1 continuous caster of Chongqing Iron and Steel Co.,Ltd.as a prototype,water modeling experiments were conducted to simulate continuous casting during grade transition.The dimensionless concentration profiles along slab length under different casting speed,residual steel level in tundish and casting sequence were measured.The results show that the residual steel level in tundish has a more significant impact on the length of intermixed slab than the other two factors.
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