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OPTIMIZATION OF BOTTOM ARGON BLOWING POSITION IN 150 t LADLE
Author(s): Chen Yuhui, Li Jingshe, Zhao Heping, Sun Liyuan, Dian Xiaoming, Song fangfang
Pages: 5-
7
Year: 2011
Issue:
5
Journal: Henan Metallurgy
Abstract: 根据相似原理,对兴澄特钢150 t钢包建立几何比例为1∶3的水力学模型,通过测定不同底吹条件下钢包的混匀时间,确定最佳的底部透气砖位置及吹气流量.研究表明:原型双孔吹气方案下混匀效果欠佳,较大气量下气流股会对包衬造成冲刷侵蚀.优化后得到最佳方案为:双孔在1/2 R圆周上,成135 °布置,吹气量控制在550~600 L/min,可获得最短的混匀时间为53 s.
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