Multi-phase Flow Simulations in Direct Iron Ore Smelting Reduction Process
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 vessel to evaluate the conditions of stirring and mixing induced by bottom gas-blowing. A computational fluid dynamics technique,...
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| Veröffentlicht in: | ISIJ International 2006, Vol.46(8), pp.1158-1164 |
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| creator | Chuang, Hsin-Chien Kuo, Jer-Haur Huang, Chien-Chia Liu, Shih-Hsien Hwang, Weng-Sing |
| description | 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 vessel to evaluate the conditions of stirring and mixing induced by bottom gas-blowing. A computational fluid dynamics technique, called the SOLA-VOF method, has been used to treat the flow behavior of molten iron with free surface. As to the issue of the multi-phase, the Langrange and the Quasi-Single Phase concept were applied to analyze the flow behavior of 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% Experimental Smelting Reduction Vessel (ESRV). Interactions between injected 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. |
| doi_str_mv | 10.2355/isijinternational.46.1158 |
| format | Article |
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A computational fluid dynamics technique, called the SOLA-VOF method, has been used to treat the flow behavior of molten iron with free surface. As to the issue of the multi-phase, the Langrange and the Quasi-Single Phase concept were applied to analyze the flow behavior of 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% Experimental Smelting Reduction Vessel (ESRV). Interactions between injected 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.</description><identifier>ISSN: 0915-1559</identifier><identifier>EISSN: 1347-5460</identifier><identifier>DOI: 10.2355/isijinternational.46.1158</identifier><language>eng</language><publisher>Tokyo: The Iron and Steel Institute of Japan</publisher><subject>Applied sciences ; Exact sciences and technology ; gas stirring treatment ; ironmaking process ; mathematical modeling ; Metals. 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A computational fluid dynamics technique, called the SOLA-VOF method, has been used to treat the flow behavior of molten iron with free surface. As to the issue of the multi-phase, the Langrange and the Quasi-Single Phase concept were applied to analyze the flow behavior of 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% Experimental Smelting Reduction Vessel (ESRV). Interactions between injected 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.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>gas stirring treatment</subject><subject>ironmaking process</subject><subject>mathematical modeling</subject><subject>Metals. Metallurgy</subject><subject>multi-phase flow</subject><subject>smelting reduction vessel</subject><subject>volume of fluid method</subject><issn>0915-1559</issn><issn>1347-5460</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNptkEtPxCAUhYnRxIn6H3Chu45QoJSl8TlmdIyPNaH0VjGUjtDG-O-dOhNd6ObezXfOlxyEDimZ5kyIE5fcmws9xGB61wXjp7yYUirKLTShjMtM8IJsowlRVGRUCLWLDlJyFSE5LzmjbIJubgffu2z5ahLgS9994EfXDv67L2EX8LmLYHs8i13Aiwj4sYVVILzgB6gHO2L4PnYWUtpHO43xCQ42fw89X148nV1n88XV7Ox0ntmC0j6TrCorYCBySUtbScU4UZZaW6nG1FSywvKcG1kQRZiqKpMDqRlrlBDEFDWwPXS87l3G7n2A1OvWJQvemwDdkHSu8kIKWa5AtQZt7FKK0OhldK2Jn5oSPQ6o_wyoeaHHAVfZo43EJGt8E02wLv0WlFQSQtmKu1tzb6k3L_ADmNg76-F_Q7k-o-gHtK8magjsC6pglHc</recordid><startdate>2006</startdate><enddate>2006</enddate><creator>Chuang, Hsin-Chien</creator><creator>Kuo, Jer-Haur</creator><creator>Huang, Chien-Chia</creator><creator>Liu, Shih-Hsien</creator><creator>Hwang, Weng-Sing</creator><general>The Iron and Steel Institute of Japan</general><general>Iron and Steel Institute of Japan</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>2006</creationdate><title>Multi-phase Flow Simulations in Direct Iron Ore Smelting Reduction Process</title><author>Chuang, Hsin-Chien ; Kuo, Jer-Haur ; Huang, Chien-Chia ; Liu, Shih-Hsien ; Hwang, Weng-Sing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c611t-73b8be3e52718cb793409c1ccb9fad1736c424a7609039bba2e0d33f9550a6de3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Applied sciences</topic><topic>Exact sciences and technology</topic><topic>gas stirring treatment</topic><topic>ironmaking process</topic><topic>mathematical modeling</topic><topic>Metals. Metallurgy</topic><topic>multi-phase flow</topic><topic>smelting reduction vessel</topic><topic>volume of fluid method</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chuang, Hsin-Chien</creatorcontrib><creatorcontrib>Kuo, Jer-Haur</creatorcontrib><creatorcontrib>Huang, Chien-Chia</creatorcontrib><creatorcontrib>Liu, Shih-Hsien</creatorcontrib><creatorcontrib>Hwang, Weng-Sing</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>ISIJ International</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chuang, Hsin-Chien</au><au>Kuo, Jer-Haur</au><au>Huang, Chien-Chia</au><au>Liu, Shih-Hsien</au><au>Hwang, Weng-Sing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multi-phase Flow Simulations in Direct Iron Ore Smelting Reduction Process</atitle><jtitle>ISIJ International</jtitle><addtitle>ISIJ Int.</addtitle><date>2006</date><risdate>2006</risdate><volume>46</volume><issue>8</issue><spage>1158</spage><epage>1164</epage><pages>1158-1164</pages><issn>0915-1559</issn><eissn>1347-5460</eissn><abstract>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 vessel to evaluate the conditions of stirring and mixing induced by bottom gas-blowing. A computational fluid dynamics technique, called the SOLA-VOF method, has been used to treat the flow behavior of molten iron with free surface. As to the issue of the multi-phase, the Langrange and the Quasi-Single Phase concept were applied to analyze the flow behavior of 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% Experimental Smelting Reduction Vessel (ESRV). Interactions between injected 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.</abstract><cop>Tokyo</cop><pub>The Iron and Steel Institute of Japan</pub><doi>10.2355/isijinternational.46.1158</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; Free Full-Text Journals in Chemistry |
| subjects | Applied sciences Exact sciences and technology gas stirring treatment ironmaking process mathematical modeling Metals. Metallurgy multi-phase flow smelting reduction vessel volume of fluid method |
| title | Multi-phase Flow Simulations in Direct Iron Ore Smelting Reduction Process |
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