Coupled Numerical Simulation on the Process of Molten Steel Flow and Heat Transfer of Six-strand Tundish
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摘要: 针对某厂六流特殊非对称型中间包温降严重的特点,采用耦合数值求解方法,计算并优化了中间包内的流场与温度场。结果表明:这种特殊中间包在未设控流装置时,入口与近端出口短路流严重,近端出口与远端出口的温差最大为8℃;优化后的中间包结构消除了短路流,均匀了各流钢液温度,最大温差降低到3.3℃,优化后的中间包能更好地满足生产的需求。Abstract: The method of coupled numerical was taken on the heavily temperature dropping of six-strand special unsymmetrical tundish.The flow field and temperature field in the tundish were calculated and optimized.The result show that when the special tundish was used without any flow control devices,it had a very short flow route between entry and near outlet,the biggest temperature difference between near outlet and far outlet is 8 ℃;The optimized tundish avoid the short flow route and uniform the molten steel temperature of each nozzle,and the biggest temperature difference reduced to 3.3 ℃.It is better than the original one and meet the requirement of actual operations.
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Key words:
- tundish /
- flow field /
- heat transfer /
- numerical simulation
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