Numerical Simulation on Molten Steel Flow and Circulation Flow Rate in RH Vacuum Degassing Process

Sun Liang; Ai Liqun; Zhao Junhua; Huang Zongze

Volume 30 Issue 2

Apr. 2009

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Article Navigation > IRON STEEL VANADIUM TITANIUM > 2009 > 30(2): 28-32

Qiu Qingzhong, Xiao Feng, Zhang Zhongqiu, Song Jingyan. Heat Treatment and Deep Cryogenic Treatment of Hot Die Steel[J]. IRON STEEL VANADIUM TITANIUM, 2012, 33(1): 91-94.

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Sun Liang, Ai Liqun, Zhao Junhua, Huang Zongze. Numerical Simulation on Molten Steel Flow and Circulation Flow Rate in RH Vacuum Degassing Process[J]. IRON STEEL VANADIUM TITANIUM, 2009, 30(2): 28-32.

Qiu Qingzhong, Xiao Feng, Zhang Zhongqiu, Song Jingyan. Heat Treatment and Deep Cryogenic Treatment of Hot Die Steel[J]. IRON STEEL VANADIUM TITANIUM, 2012, 33(1): 91-94.

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Numerical Simulation on Molten Steel Flow and Circulation Flow Rate in RH Vacuum Degassing Process

1. College of Metallurgy and Energy, Hebei Polytechnic University, Tangshan 063009, Hebei, China;
2. Technology Institute, Shanghai Baosteel Group Corporation, Shanghai 201900, China

Received Date: 2008-10-10
Available Online: 2023-12-05
Publish Date: 2009-04-30

Abstract

Abstract

A three-dimensional mathematical model for the simulation of molten steel flow based on the parameters of 300 t RH-MFB has been established, discussing the factors of influencing circulation flow rate.The gas-liquid two-phase flow has been treated and described by two-fluid model.The influences of process parameters under the same vacuum condition on steel flow field and circulation flow rate are simulated, such as argon blowing flux, depth of snorkel, nozzles arrange.The results show that keeping argon blowing flux no more than 4 000 NL/min, circulation flow rate would increase with argon blowing flow rate increasing and with the increase of depth of snorkel a certain extent;it was more proper to arrange nozzles in interleaving way than others.
- RH-MFB,
- vacuum degassing,
- circulation flow rate,
- argon blowing nozzle,
- numerical simulation

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