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1. Hydrodynamic study impact effect between top blown jet and molten bath of 80 t convert | |||
LI Nan,CAO Lingling,LIU Qing,LIN Wenhui,GUO Weida,Ren Keshe | |||
Metallurgical Engineering 10 November 2017 | |||
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Abstract:Based on the similarity theory, the influence of the lance height, the gas flowrate and the holes of oxygen lance on the impact effects and mixing behavior in the molten bath were investigated by hydrodynamics experiment using 1:6 water model for 80 t basic oxygen furnace. The results show that the impact diameter, the penetration depth and the cavity shape index all increase with increasing gas flowrate. The optimal mixing time of the bath is 38 s by controlling the oxygen lance height at 138.55 mm. Under the same condition, the mixing effect of the 4-hole nozzle is better than that of the 5-hole nozzle. In addition, the quantitative relation between the dimensionless penetration depth and Fr\' is deducted. | |||
TO cite this article:LI Nan,CAO Lingling,LIU Qing, et al. Hydrodynamic study impact effect between top blown jet and molten bath of 80 t convert[OL].[10 November 2017] http://en.paper.edu.cn/en_releasepaper/content/4741983 |
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