针对中间包夹杂物超标的问题,采用1∶2的水力学模型,对三流320 mm×480 mm大方坯中间包流场进行物理模拟,研究控流装置对钢液流动特性的影响,优化中间包流场.模拟结果表明:原型中间包存在着滞止时间短、死区比例大、持续流动的液体对中间包前壁不断的冲刷侵蚀的问题.采用方案3的挡墙与挡坝,滞止时间增加了18.05 s,且两个水口的滞止时间标准差仅为0.18,死区比例降幅为30.51％,很好地改善了液体的流动特性.
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