Multi-phase flow simulations in direct iron ore smelting reduction process

H. C. Chuang, J. H. Kuo, Chi-Chuan Hwang, S. H. Liu, W. S. Hwang

研究成果: Conference contribution

摘要

The purpose of this study is to develop a computer simulation system to analyze the multi-phase (gas-liquid-slag) flow phenomena in the direct iron ore smelting reduction process to evaluate the conditions of stirring and mixing induced by gas-jetting. A computational fluid dynamics technique; called the SOLA-VOF method, has been used to treat flow behavior of molten iron with free surface. As to the issue of the multi-phase, the Langrange and Quasi-Single Phase concept were applied to analyze the flow behavior of the injected gas, molten iron, and slag. The simulation system can be directly applied to analyze stirring processes at high flow rate gas and its related turbulent free surface. The developed system was then applied to analyze the flow behavior in the 60 % reduced smelting furnace. Interactions between inserted gas and liquid bath, agitation of slag and mixing conditions of liquid bath and slag under different gas flow rates, bubble sizes, and arrangements of bottom-blown tuyeres were evaluated in this study. The simulation results were then compared with water model experiments under similar flow conditions and were found to closely correspond with the experimental results.

原文English
主出版物標題Modeling of Casting, Welding and Advanced Solidification Processes - XI
頁面1081-1088
頁數8
出版狀態Published - 2006 12月 8
事件Modeling of Casting, Welding and Advanced Solidification Processes - XI - Opio, France
持續時間: 2006 5月 282006 6月 2

出版系列

名字Modeling of Casting, Welding and Advanced Solidification Processes - XI
2

Other

OtherModeling of Casting, Welding and Advanced Solidification Processes - XI
國家/地區France
城市Opio
期間06-05-2806-06-02

All Science Journal Classification (ASJC) codes

  • 工程 (全部)

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