Physical Modeling of Ferroalloy Stainless Steel Refining Reactors

Physical Modeling of Ferroalloy Stainless Steel Refining Reactors

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Unformatted text preview: PLEASE SCROLL DOWN FOR ARTICLE This article was downloaded by: [University of Alberta] On: 25 June 2009 Access details: Access Details: [subscription number 909954045] Publisher Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UK Materials and Manufacturing Processes Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t713597284 Physical Modeling of Ferroalloy/Stainless Steel Refining Reactors R. Hurman Eric a a School of Chemical and Metallurgical Engineering, University of the Witwatersrand, Johannesburg, South Africa Online Publication Date: 01 October 2008 To cite this Article Eric, R. Hurman(2008)'Physical Modeling of Ferroalloy/Stainless Steel Refining Reactors',Materials and Manufacturing Processes,23:8,769 776 To link to this Article: DOI: 10.1080/10426910802382023 URL: http://dx.doi.org/10.1080/10426910802382023 Full terms and conditions of use: http://www.informaworld.com/terms-and-conditions-of-access.pdf This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, re-distribution, re-selling, loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to date. The accuracy of any instructions, formulae and drug doses should be independently verified with primary sources. The publisher shall not be liable for any loss, actions, claims, proceedings, demand or costs or damages whatsoever or howsoever caused arising directly or indirectly in connection with or arising out of the use of this material. Materials and Manufacturing Processes , 23: 769776, 2008 Copyright Taylor & Francis Group, LLC ISSN: 1042-6914 print/1532-2475 online DOI: 10.1080/10426910802382023 Physical Modeling of Ferroalloy/Stainless Steel Refining Reactors R. Hurman Eric School of Chemical and Metallurgical Engineering, University of the Witwatersrand, Johannesburg, South Africa During the last one decade, significant work has been carried on physical modeling of high strength bottom blown refining converters. Two perspex water models of the stainless steel/ferroalloy refining converters known as Creusot Loire Uddeholm (CLU) reactors were constructed; one a 1/7th, the other a 1/5th of the scale of the actual industrial units. Water represented the metal phase and paraffin oil the slag phase as and when required. Air representing the gas phase was blown at very high rates through nozzles located at the bottom of the vessels. The air ow rate ranged from 0.005m 3 /s to 0.02m 3 /s. The position of the tuyeres (nozzles) was also among the variables in some of the test work. Apart from geometric similarity, dynamic similarity was met through the use of modified dimensionless Froude number. In modeling the reactor, the variables/propertiessimilarity, dynamic similarity was met through the use of modified dimensionless Froude number....
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This note was uploaded on 10/08/2009 for the course CME MAT E 630 taught by Professor Dr. during the Fall '09 term at University of Alberta.

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Physical Modeling of Ferroalloy Stainless Steel Refining Reactors

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