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2011 May Issue
Full Table of Contents
Show Guide for AISTech 2011 plus Project and Plant Management/Energy |
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About the Cover
The AISTech 2011 photomontage is a depiction of the technologies, products and people of the steel industry. AISTech 2011, held at the Indiana Convention Center in Indianapolis, Ind., USA, is the premier technology event and largest steel exposition in North America.
Image created by Christopher P. Brown,
graphic designer, Association for Iron & Steel Technology.
Full magazine available in the Members Only Area |
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Technical Features Table of Contents |
| 291 |
U. S. Steel Fairfield Works’ Coal Grinding Facility — Project Excellence Evaluation
K.C. Wong, general manager — engineering services, U. S. Steel Serbia d.o.o., Smederevo, Republic of Serbia (kwong@uss.com); Robert McCabe, engineering site manager, U. S. Steel Fairfield Works, Fairfield, Ala. (bmccabe@uss.com); and Gregory Saul (pictured), manager — engineering, Strategic Asset Management & Project Delivery System, United States Steel Corporation, Pittsburgh, Pa. (gjsaul@uss.com)
This paper describes the construction of a new coal grinding facility at U. S. Steel Fairfield (Ala.) Works. Factors that contributed to the project’s success include the use of the Project Delivery System (PDS), experienced contractors, and the involvement and contributions of all team members. |
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| 300 |
ArcelorMittal Dofasco No. 2 Blast Furnace Stove Refractory Findings and Innovative Design and
Repair Solutions
Dan Carreau (left), refractory specialist — iron technology, and George Atlija (center), manager — capital project controls, ArcelorMittal Dofasco Inc., Hamilton, Ont., Canada (daniel.carreau@arcelormittal.com, george.atlija@arcelormittal.com); and Floris van Laar (right), director of technology, Allied Mineral Technical Services, Hamilton, Ont., Canada (floris.vanlaar@alliedmin.com)
This paper discusses ArcelorMittal Dofasco’s No. 2 blast furnace hot blast stove refractory findings and repairs completed in 2008. Several innovative construction methods and new technologies are reviewed. |
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307 |
Oxygen-Enhanced Ladle Preheating Systems: Improved Tap-to-Tap Cycle Time and Operating Cost Reductions
James Kelly (left), senior process specialist, Praxair R&D, Indianapolis, Ind. (james_kelly@praxair.com); F. Dentella, ESA Pyronics International, Bergamo, Italy (dentella@esacombustion.it); A. Recanati, SIAD SpA, Bergamo, Italy (anselmo_recanati@Praxair.com); Jorge Visus (center), product manager, combustion and heat treating, Praxair Espana, Madrid, Spain (jorge_visus@praxair.com); and Emmanuel Miclo (right), Praxair SAS, Rungis, France
Enhanced ladle preheating stations are possible through the use of burners capable of operating on either air or oxygen. Results for reduced operating costs, as well as reduction in tap temperature and tap-to-tap cycle time, are presented. |
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312 |
Modernization of Hot
Strip Mills — Concepts, Implementations and Results
Stephan Krämer, Stefan Berger and Wolfgang Fuchs, SMS Siemag AG, Hilchenbach, Germany (skra@sms-siemag.com, sber@sms-siemag.com, fuch@sms-siemag.com)
SMS Siemag has developed intelligent, tailor-made concepts for the modernization of hot rolling mills in an interactive process with its customers and has vast experience in the implementation of revamps. This paper gives examples and shows the results of recent modernizations. |
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323 |
Ultralow-NOx Flat Flame Burner Application for Steel Reheat Furnaces
Jim Feese (left), vice president — engineering, and Felix Lisin (right), director of applied research, Hauck Manufacturing Co., Cleona, Pa. (jfeese@hauckburner.com, flisin@hauckburner.com)
Hauck Manufacturing Co. was contracted to provide burners for two steel reheat furnaces in Belgium. Hauck’s ultralow-NOx side-fired and flat flame burners were incorporated in the heat zones, resulting in both temperature uniformity and ultralow-NOx emissions. |
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330 |
Heat Recovery for the EAF of Georgsmarienhütte, Germany
Dr. Henning Schliephake (top left), member of the executive board, Georgsmarienhütte GmbH, Georgsmarienhütte, Germany (henning.schliephake@gmh.de); Carsten Born (top right) and Ralf Granderath (bottom left), Tenova Re Energy GmbH, Düsseldorf, Germany (reenergy@de.tenovagroup.com); Francesco Memoli (bottom center) and Jim Simmons (bottom right), Tenova Core, Coraopolis, Pa. (info@corefurnace.com)
The new cooling system at GMH, including the first element of the waste gas duct, was completely designed as an evaporative cooling system. This paper analyzes the project characteristics as well as the opportunity for similar heat recovery in EAFs in North America. |
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