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Research on Water Model Experiment of Optimum Location of Bottom Nozzle in a 250 t Argon Stirred Ladle
Author(s): 
Pages: 374-377
Year: Issue:  4
Journal: Journal of Anhui University of Technology(Natural Science)

Keyword:  ladlebottom argon stirringwater modelmixing time;
Abstract: 以某钢厂250 t钢包为研究对象,通过水模型对现场生产过程进行模拟,研究钢包底吹气位置、吹气孔个数以及吹气量大小对钢水搅拌效果的影响.结果表明:单孔底吹氩,吹孔距钢包底部中心0.61R(R为钢包底部半径)时钢水混匀时间最短;双孔喷吹对称分布的钢水混匀时间比单孔喷吹的钢水混匀时间短,搅拌效果优;当双孔喷嘴对称分布的尺寸为0.61R时,钢水混匀时间最短、死区体积最小,且双孔喷嘴间距由0.37R增至0.61R时钢水混匀时间明显减少.
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