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首页> 外文会议>7th International Conference on Electromagnetic Processing of Materials >Application and Numerical Simulation of Electromagnetic Stirring in Secondary Cooling Zone during Continuous Casting of Ultra-Thick Slab
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Application and Numerical Simulation of Electromagnetic Stirring in Secondary Cooling Zone during Continuous Casting of Ultra-Thick Slab

机译：厚板坯连铸二次冷却区电磁搅拌的应用及数值模拟

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摘要

The segregation of solute elements at solidification front could be greatly improved by application of electromagnetic stirring(SEM)in secondary cooling zone.The location of SEM in secondary cooling zone affects the operational effect.In the present study,based on the application of SEM in Ultra-thick slab continuous casting,the shell thickness was calculated by self-programming code and the results were verified by nail-shooting test.A numerical model was established to calculate the fluid flow of molten steel under shell to determine the suitable SEM location in secondary cooling zone.The results shows that the velocity of molten steel increases with increase of stirring current which enhance the circulatory flow of unset steel at solidification front.Whereas,in order to fully develop ability of SEM it is necessary to select suitable stirring current and mode for ultra-thick slab casting.This calculation provides theoretical base for application of SEM in secondary cooling zone during ultra-thick slab casting process.
机译：通过在二次冷却区中应用电磁搅拌（SEM），可以大大改善固相前溶质元素的偏析。二次冷却区中SEM的位置会影响操作效果。超厚板坯连铸，通过自编程代码计算出壳厚，并通过射钉试验验证了结果。建立了一个数值模型来计算壳下钢水的流体流动，以确定合适的SEM位置。结果表明，钢水的速度随搅拌电流的增加而增加，从而增强了凝固前沿未凝固钢的循环流动。为充分发挥SEM的能力，必须选择合适的搅拌电流和二次冷却区。为板坯二次浇铸提供了理论基础g超厚板坯的铸造工艺。

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