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Title of Journal: Int J Miner Metall Mater

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Abbravation: International Journal of Minerals, Metallurgy, and Materials

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University of Science and Technology Beijing

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DOI

10.1016/0040-6031(77)85001-6

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1869-103X

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Optimization of mixing time in a ladle with dual p

Authors: Dianqiao Geng Hong Lei Jicheng He
Publish Date: 2010/12/16
Volume: 17, Issue: 6, Pages: 709-714
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Abstract

Based on the twophase fluid EulerianEulerian model a mathematical model about the gasliquid flow and mixing behavior was developed to investigate the effect of the offset of dual plugs the included angle of dual plugs with a center point and gas flow rate on the mixing time in a ladle with dual plugs Numerical results indicate that two types of recirculation zones exist in the ladle One is the middle recirculation between gas and liquid plumes and the other is the sidewall recirculation between plumes and the ladle sidewall The correction shows that the mixing time is in proportion to −02676 power of gas flow rate There is a unique optimum offset of dual plugs with a particular included angle in turn a unique optimum included angle of dual plugs exits with a particular offsetThis work was financially supported by the National Hightech Research and Development Program of China No2009AA03Z530 the National Natural Science Foundation of China and Shanghai Baosteel No50834010 and the Key Project of the Ministry of Education of China No108036

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