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EOSC 2006 Proceedings 5th European Oxygen Steelmaking Conference Organized by Steel Institute VDEh im Stahl-Zentrum 26-28 June 2006 Aachen Germany 2006

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Page 1: European Oxygen Steelmaking Conference ; 5 (Aachen ... lining for oxygen converters: Recentexperiences in this field 229 ... Trends in AutomatedProcess Laboratories.. . 298 ... Content

EOSC 2006

Proceedings

5th European Oxygen

Steelmaking Conference

Organized by

Steel Institute VDEh

im Stahl-Zentrum

26-28 June 2006

Aachen

Germany

2006

Page 2: European Oxygen Steelmaking Conference ; 5 (Aachen ... lining for oxygen converters: Recentexperiences in this field 229 ... Trends in AutomatedProcess Laboratories.. . 298 ... Content

Table of Contents

Session 1 Hot Metal Pretreatment

Optimisation of hot metal desulphurisation at BOS2 Corns Strip Products Umuiden 3

Hessel-Jan Visser, Elizabeth Graveland, Lammert Knorren, Aart Overbosch, Rob Boom

Optimizing the Hot Metal Desulphurization Process with the Usage of Rotating Lance 11

Sergio Luiz de Souza Costa, Eugenio Pace/// Meireles de Araujo,

Ivan Lopes Alves, Jorge Lima de Siqueira

Treatment of high manganese hot metal for further processing in oxygen converter 23

Mamdouh Eissa, Ayman Fathy, Azza Mohamed Ahmed, Taha Mattar, Ismail Saad

Effect of Oxygen Blowing Condition on Hot Metal Dephosphorization 38

Yuji Ogawa, Michitaka Matsuo, Takeo Inomoto, Nobuo Sano

Simulation Study on Transport Dynamics of Hot Metal Dephosphorization by

Powder Injection in Torpedo Car 46

Zhaoping Chen

Session 2 Improving Steel Quality

New Methods (OES-PDA and PSEM) to Determine Cleanliness in Steel Samples of

ULC- and High Strength-Steel Grades 57

Ernst Pissenberger, Markus Nuspl, Andreas Pissenberger, Peter Reisinger

Improved Calcium Wire Properties Results in High Yields 66

Wouter K. Tiekink, Rob A. Kooter, Emiel Y.Bosma, Jan P. Brockhoff, Rainer Hackstein, Franck B.Villette

New Developments in the Production of Ultra Low Carbon Steel for Automotive Applications at CST

Arcelor Brasil 72

Paulo Sergio Bringhenti, Flavio Jose Saraiva Rodrigues, Geraldo Iran de SL Cardoso,

Marcus Andre Castro Barcellos

Investigation of ladle sand build upon ladle well nozzle 78

Hongbin Yin, Richard Qass

Study on Nitrogen Increasing from Steelmaking to Continuous Casting at Baosteel Meishan 86

Chen Zhiping, Dong Hanjun

Session 3 Primary Steelmaking

Productivity Increase and Low Hot Metal LD-Steelmaking at voestalpine Stahl GmbH 93

Herbert Moser, Wolfgang Hofer, Kilian Jandl, Reinhard Apfolterer, Herbert Mizelli

Experience of new BOF operations at Tfinecke zelezarny 100

Karel Klimek, Jaroslav Pindor, JinCupek, Jindhch Hudzieczek, Milan Cieslar, Frantisek Tomanek,

Robert Sikora, David Bocek, Jaroslav Opletal

Use of Dynamic Data to Optimise Vessel Refining 108

Johan W K van Boggelen

Analysis of Kinetic Data in Industrial Steel Converter for the Operation Control 115

Celina Blanco, Esperanza Garcia, Manuel Rendueles, Luis Fernando Sancho, Mario Diaz

Development and Application of BRP Technology in Baosteel 123

Xiao-fang Jiang, Zhao-ping Chen, Zhi-xin Lu, Geng Zhang, Zhi-min Zhong

Application and Maintenance of TBM Combined Blowing Technology in MeiShan Converter 130

Zhao Guoguang, Zuo Kanglin, Guo Zhenhe

VII

Page 3: European Oxygen Steelmaking Conference ; 5 (Aachen ... lining for oxygen converters: Recentexperiences in this field 229 ... Trends in AutomatedProcess Laboratories.. . 298 ... Content

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INJECTION-TECHNOLOGY

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Lime

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and injectiolusting systems - Silos

Installation!-TrainingTechnical Serviite

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Telefon: +49 / (0) 2332 / 9206-0

^TUV^ Telefax: +49 / (0) 2332 / 62015^©KHi'^ E-Mail: [email protected]

Internet: www.sit-2000.com

Session 4

By-Products, Recycling and Envronment

Investigations into dust production in

the converter process 139

Matthias Weinberg

Revised concept for secondaryde-dustingin the LD3 mill at voestalpine Linz 144

Josef Heiss, Roland Schwarzenbrunner,Herbert Mizelli, Raimund Wincor,Andreas Brunner, Hubert Ollinger

Progress in the Use of BOF Slag 152

Michael Kuehn, Peter Drissen, Michael Joost

Solutions for dust sandsludges from the

BOF process 158

Carsten Hillmann, Christopher M. Moore,Karl-Josef Sassen

Solutions to capitalization of steel plantslags Stage and perspectives in Romania

....163

Florian I. Zaman, Gheorghe S. lorga,Mircea N. Hritac, Elena C. Diaconu,Sefan M. Lazar, Adrian I. Burlacu,Cristian Z. Predescu

Vaporisation of the Component Elements

from Metallic Bath during Refining in

Oxygen Converter 168

Alexandru Ivanescu, Antoaneta Ene,Viorel Munteanu, Lilica Ivanescu, Dan Zorlescu

Session 5 Primary Steelmaking

Cold Shroud - Boosting Converter

Performance 179

Tom Balkos, John Batham, Tom Russo,Richard Fash, Bill Howanski

Improvement of Converter ProcessConsistencyat BOS No 2, Corns Umuiden 186

Albert B. Snoeijer, Paul Mink, Aart Overbosch,Marcel Hartwig, Hans ter Voort, Jan P. Brockhoff

Steelmaking by the MPS.Dolvi Process-

Development for High Productivity 194

Dieter Senk, Kumar Misra, Peter Meierling,Josef Pleschiutschnig, Ratna Prasad V. Atluri,Zulfiadi Zulhan

Theoretical and Practical Aspectsof Dissolution of lime in Laboratory

Experiments and in BOF 202

Brahma Deo, Pramod Kumar Gupta,Madhurai Malathi, Pieter Koopmans,Aart Overbosch, Rob Boom

Possibilities to use new measurements

to control LD-KG-converter 210

Jari Ruuska, Seppo Ollila, Lars Baith,

Kauko Leiviska

VIII

Page 4: European Oxygen Steelmaking Conference ; 5 (Aachen ... lining for oxygen converters: Recentexperiences in this field 229 ... Trends in AutomatedProcess Laboratories.. . 298 ... Content

Probenahme

Analyse

Beratung

qualllitat. metalllabor.

BuschstraBe 95

47166 Dulsburg

Fon: +49 (0) 203-519 29 10

Fax: +49 (0) 203-519 29 29

metalllabor ist eine Marke

von amco united.

Development and Implementation of a

Flux Model for BOP and Q-BOP Furnaces ...218

Yun Li

Session 6 Refractory Systems

Refractory lining for oxygen converters:

Recent experiences in this field 229

Michele Martino, Marco Fenu, Andrea Anfosso

Improvement of the Refractory and Ladle

Maintenance Concept at the Steel Plant

Bruckhausen 234

Andreas Ploch, Chris Lindner, Carl Heinz Schutz

Practical results of Stainless steel fibre

reinforced Magnesia carbon bricks in the BOF

converter Scrap Impact Pad applications 238

Subramaniam Muthu Kumar, Helge Jansen, Hartmut

Bunse, Rainer Gaebel, Jorg Rzepczyk

Influence of Slag Composition on K-OBM

Lining Life: The Case of High Ti02 242

Roberto Prudente, Sergio Fera, Renzo Valentini

New Technologies and Equipment for

Converter Lining Surface Protection 247

OlexandrS. Brodskyy, Vladimir A. Sheremet,

Anatoliy V. Kekukh, Anatoly G. Chernyatevich,Ganna P. Stovpchenko, Oleg I. Pavlyuchenko

Session 7 Secondary Metallurgy

Optimisation of the Metallurgical Treatment

of Steel with Calcium 257

Kurt Huemer, Axel Sormann, Gerfried Wolf

Kettlor: Efficient stirring in ladle metallurgy . .

Marc Burty, Charles PussS, Claude Bertoletti,Patrick Wetta, Eric Carioli

265

www.metalllabor.de

Optimization Argon-injection Process

Parameters for Ladle Treatment Steel 272

Alexey Smirnov, Sergey Eronko, Igor Kovalenko,Rolf Giessen

Behavior of Top-blown Jet under

Vacuum Pressure 280

Goro Okuyama, Ikuhiro Sumi, Seiji Nabeshima,Hidetoshi Matsuno, Yasuo Kishimoto

Session 8 Automation and On-Line

Process Analysis

Restructuring of Converter Level 2

Automation System 287

Herbert Mizelli, Herbert Moser, Rudolf Tober

Operational Benefits Due to Installation of

DYNACON/LOMAS® Technology 293

Barbara Angermayr, Wolfgang Lutz,

Rudolf F. Hubmer, Shen Chang, Shi Xiongliang,Tang Shuguang, Liu Yulan

X

Page 5: European Oxygen Steelmaking Conference ; 5 (Aachen ... lining for oxygen converters: Recentexperiences in this field 229 ... Trends in AutomatedProcess Laboratories.. . 298 ... Content

Trends in Automated Process Laboratories.. .

298

Susanne van den Bosch, Norbert Wilke

Session 9 Secondary Metallurgy

Steel Desulphurisation by Fluidized Lime -

Operational and Quality Results 305

Andreas Gantner, Alfred Jungreithmeier, WolfgangFelberbauer, Roman Rossler

Advanced Strategies for Alloying Processes in

Steelmaking Ladles 312

Kersten Marx, Sigurd Rodl, Helmut Lachmund,

Yongkun Xie

Decarbunzation technology of vacuum treated

steel at U. S. Steel Kosice, s.r.o 321

Slavomir Hertneky, Gabriel Trefa

Evaluation of Basic Factors to Enhance the

Vacuum Decarburization Reaction 329

Shinya Kitamura, Tooru Matsumiya, Hiroshi Nogami,Felicia Lazuardi

Session 10 Automation and On-Line

Process Analysis

Long-Time Experiences with Implementation,

Tuning and Maintenance of Transferable BOF

Process Models 339

Gerold Sickert, Reinhard Schramm

Significant Improvements in Steel Making

through Installation of Process Models at

Mittal Steel, South Africa 347

Barbara Angermayr, Rudolf F Hubmer,

Josef WeiB, Anton Gerber, Kevin D. Jackson,

Jose L. A. Marques

Dynamic End-Point Control in BOF througha Fast and simultaneous Determination of

the Steel/Slag Composition 355

Michael Wauters, Johan Knevels,

Raymond Meilland, Arne Bengston

A New Approach for the Dynamic Process

Simulation of the BOF-Process 363

Champion Chigwedu, Jens Kempken,

Wolfgang Pluschkell

Session 11 Secondary Metallurgy

Effects of the VD-OB Technology on Product

Quality 375

Holger Arnold, Axel Klarner, Andreas Koschinski,

Jochen Schluter

Decarburization Practice for ULC Steelmaking . 382

Woo-Jin Noh, Kwang-Chun Kim, Sung-Eun Chae

XI

Seit uber 50 Jahren bewahrt sich die SchweiBtechnik

Dusseldorf als verlSsslicher Partner im Stahlwerk.

MaBnahmen zur Verbesserung der Materialqualittt -

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zubehor durch SchweiBen - gehoren traditionell

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Neuen Anforderungen im Stahlwerk und Struktur-

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Techniker entwickeln und konstruieren

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Page 6: European Oxygen Steelmaking Conference ; 5 (Aachen ... lining for oxygen converters: Recentexperiences in this field 229 ... Trends in AutomatedProcess Laboratories.. . 298 ... Content

Ca-Treatment of Al-Killed Steels: Inclusion Modification and Application of

Artificial Neural Networks for the Prediction of Clogging 387

Valentma Colla, Marco Vannucci, Sergio Fera, Renzo Valentin/

Ladle Refining Aspects of some special products in Sail Plants 395

Somnath Ghosh, N. Nath Jha, Kashi Nath Jha, Shibnath Mazumdar

Session 12 Plant Operation Experiences and Productivity

Aspects

Minimization of Energy Consumption and Conversion Cost for BF-BOF

System Based on Optimised Use of Ferrous Burden Materials 403

Christer Ryman, Chuan Wang, Mikael Larsson, Jan Dahl, Carl-Erik Grip

Optimisation of steel plant logistics at Dillinger Hutte using

simulation models41 "1

Oliver Bode, Ralf Bruckhaus

Towards 7 Million Tons of Liquid Steel per Year at BOS2

Corns Strip Umuiden417

Jan Brockhoff, Pieter G. J. Broersen, Marcel Hartwig, Harry P. Pronk,

Hans Ter Voort, Richard Mostert, Albert B. Snoeijer, Aart Overbosch

Port Talbot BOS Plant Challenges 425

Guy Simms, Ian Blake

Session 13 Processing, Modelling, Simulation

Mathematical Simulation of Decarburization in Vacuum Degasser 435

Xiaodong Yin, Zongze Huang,Wenbing Gu

Preliminary Study on Mathematical Modelling of Stainless Steelmakingin AOD Converter 440

Ji-He Wei, Jie-Hui Shu, Hong-Li Zhu, Guo-Min Shi, Qing-Yuan Jiang,He-Bing Chi

CFD Simulation of Melt Flow Mixing Phenomena in Combined

Blowing Converters 454

Hans-Jurgen Odenthai, Udo Falkenreck, Jens Kempken,Jochen Schliiter, Norbert Uebber

Filtering of the Industrial Data for the Artificial Neural Network 467

Jan Falkus, Piotr Pietrzkiewicz, Tomasz Kargul

Session 14 Plant Operation Experience and ProductivityAspects

Salzgitter Flachstahl GmbH increased the efficiency of its BOF shop 477

Andreas Berghofer, Ralf Kromarek

Improvement in Performance of the Tapping System at

Port Talbot Steelworks 487

Michael M, Berger, Christian Rahm

Decade of Development in Steelmaking at Ruukki Production,Raahe Steel Works 494

Jarmo Lilja, Seppo Ollila, Hannu Nevala

Improvement of BOF Productivity in No.2 Steel Making Plant at

Kashima Steel Works 501

Shingo Takeuchi, Kenichi Akahane, Kouichi Sakai

XII

Page 7: European Oxygen Steelmaking Conference ; 5 (Aachen ... lining for oxygen converters: Recentexperiences in this field 229 ... Trends in AutomatedProcess Laboratories.. . 298 ... Content

Session 15 Processing, Modelling,Simulation

Improved Dynamic Control of Carbon and NitrogenContent in AOD Converter Process for Stainless

Steelmaking on the Basis of Thermodynamic Process

Models 511

Bernd Kleimt, Rainer Lichterbeck, Christian Burkat

Decarburization of Iron Using Top Lance BlowingAnnie Nordqvist, Anders Tilliander, Per Jdnsson

519

Study on Mathematical Modeling for AOD Converter

with Top Oxygen Blowing 527

Jianbin Chen, Zhaoping Chen, Zhouhua Jiang,Zongze Huang

Session 16 Plant Operation Experienceand Productivity Aspects

High Efficient Converter Operation Scheme in PohangNo.2 Steelmaking Plant 537

Seunggon Kim, Dongryul Lee

Boosting Production Through Optimal BOF

Modernization of ISDEMR Iron and Steel Works. .

542

Ibrahim G6I, Lars Meier, Karl-Josef Schneider, Hans-

Wilhelm Schock, Winfried Laubach

Development of Process Technologies for API Sour

X60 and X65 Quality in accordance with Start-up of

VD at HADEED Steelworks 550

Kwang-Keun Lee, Kwang-Seop Ro, Adel Al-Butairi,

Saad Z. Al-Shamary, Waleed Al-Shalfan

Poster Session

Learn how to Operate a BOF at steeluniversity.org 561

David J. Naylor, Ruth Hambleton, Henri Gaye

Interaction of Heat Blowing and Slag Regimes and

Converter Profile (Movie Investigation) 565

Anatoly G. Chernyatevich, Oleg I. Pavlyuchenkov,Olexandr S. Brodskyy, Ganna P. Stovpchenko

Innovative Concepts for Steel Ladle Porous Plugs 569

Patrick Tassot

The Hydrodynamics and Mass Transfer in Steel

Converters using cold models 577

Mario Diaz, Margarita Martin, Manuel Rehdueles

Thermal Shock Behaviour of Carbon Bonded MgO-CRefractories with Inorganic Micro- and/or

Nano-Additions 581

Christos G. Aneziris, Uwe Kiippel

The Use of Calcium Carbide in Steel 587

Roberto J. Santiago, Luis A. Mombello

Determination of Optimum Calcium Carbide for

Deoxidation of Slags 591

Roberto J. Santiago, Luis A. Mombello

Process of Carbothermic Reduction of Iron and

Manganese Ore Bearing Briquettes 595

Karla de Melo Martins, Elena Gorbunova, Dieter Senk,

Heinrich Wilhelm Gudenau

XIII

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