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PROCEEDINGS Vol. 2 II ISC The Sixth International Iron and Steel Congress Vol. 2 Ironmaking October 21-26, 1990 Nagoya Congress Center, Nagoya, Japan | UNIVERS /r.'ft.cv. v.-. The $ron and Steel institute of Japan

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PROCEEDINGS

Vol. 2

II ISC

The Sixth

International

Iron and Steel Congress

Vol. 2 Ironmaking

October 21-26, 1990

Nagoya Congress Center, Nagoya, Japan

| UNIVERS/r.'ft.cv. v.-.

The $ron and Steel institute of Japan

Proceedings of The Sixth International Iron and Steel Congress, 1990, Nagoya, ISIJ

CONTENTS

Vol. 2 Ironmaking

FUTURE OF BLAST FURNACE PROCESS

ADVANCED IRON ORE PREPARATION

DEVELOPMENT OF COKEMAKING

Pretreatments forAgglomerates (1)

Advanced Iron Ore PreparationY. Omori and E. Kasai

Tohoku University, JAPAN 1

Effect ofthe Constitution ofGranules on Coalescing Phenomenon and Strengthafter SinteringShengli Wu, E. Kasai and Y, Omori

Tohoku University,JAPAN 16

Model for Correlating Ore Properties and Suiter Characteristics

F.CappelandE.PfaffLurgiGmbH.F.R.GERMANY 23

Pretreatments forAgglomerates (2)

DesigningIron Ore Sinter Mixes for Optimum Raw Material Utilization

C. E. Loo, R. P. Williams and L. T. Matthews

BHPCo.,Ltd.,AUSTRALIA 31

Design of Pseudo Particles Considering Distribution ofCaO Component in Sinter

T, Kawaguchi, K. Kuriyama, S. Sato, K. Takata and T. MiyakeSumitomo Metal Industries, Ltd., JAPAN 40

Assimilation Behavior ofHigh-Goethite Ore and Its Control in Production of Sinter

Y, Hida, J, Okazaki and K. Nakamura

Nippon Steel Corporation, JAPAN 48

Processing for Agglomeration (1)

Fundamental Investigation ofthe Hybrid Pelletized Sinter Process for Blast

Furnace Burden

N. Sakamoto, A. Kumasaka, H. Noda andH, Yanaka

NKK Corporation, JAPAN 56

Commercial Operation ofthe Hybrid Pelletized Sinter (HPS) at FukuyamaWorks

S. Nagano, Y. Niwa, T. Sumigama, 0. Komatsu, M. Shimizu and H. Noda

NKK Corporation, JAPAN64

High Iron Optisinter— An Advanced Blast Furnace Iron Ore Burden—

J. 0. Edstrom and S. AjmalThe Royal Institute ofTechnology, SWEDEN 71

Proceedings of The Sixth International Iron and Steel Congress, 1990, Nagoya, ISIJ

Processing forAgglomeration (2)

Improvement ofSintering Operation by Adding pH Controlled Solution

H. K. Shin, S. J. Yoon and H. J. YangResearch Institute ofIndustrial Science and Technology, KOREA 81

Numerical Simulation ofthe Iron Ore Sintering Process

F. Patisson*, D. Ablitzer*, E. Marliere** and J. M. Steiler**

*Ecole des Mines, FRANCE

**IRSID, FRANCE 88

Charging of the Sinter Mix: Recent InvestigationC. Dulcy and J. P. Druet

IRSID, FRANCE 96

Structural Analysis of Sintering Bed

Effect of Coke Size and Fuel Distribution in the Mix on the Iron Ore Sintering Process

K, H, Peters, H. Beer, H. W. Kropla and H. Muller

Thyssen Stahl AG,F. R. GERMANY 103

Basic Analysis ofthe Influence of Material Grain Size Segregation on SinteringT. Inazumi, M. Fujimoto and K. Sato

Nippon Steel Corporation, JAPAN 110

Elucidation of Conditions Required to Form Optimum Sinter Cake by Use of

Computerized Tomography for Steelmaking ApplicationsS. Kasama, T. Inazumi and K. Sato

Nippon Steel Corporation, JAPAN 118

Properties of Agglomerates for Blast Furnace

Development and Application of Softening-Melting Tests for Blast Furnace

Burden Materials

P. K, Roy* and B. Chakravarty***Steel Authority of India Ltd., INDIA

**Jadavpur University, INDIA 126

Improvement ofReduction Degradation Characteristics of Sinter by Immersion

Treatmentin Halide Solution

N. Taguchi*, T. Otomo* and Y. Omori**

Akita University, JAPAN**Tohoku University, JAPAN 134

Influence of Barite Addition on Sinter Reducing PropertiesB. Drakalijsky, I. Cherkezov, A. Angelov and Y, Bratkov

Iron and Steel Research Institute, BULGARIA 141

Innovative Technology of Ore Preparation Yard and Sintering Plant (1)

Modernization of Raw Materials Transportation and Treating DepartmentT. Ikeda, S. Sasaki, T. Iida,J. Sakuragi andT. Ushirokawa

Nippon Steel Corporation, JAPAN 147

Automatic Operation System at Chiba No. 4 Sinter Plant

H. Tanabe, M. Watanabe, H. Takahashi, T. Natumi, M. Yasuda and H. Obata

Kawasaki Steel Corporation, JAPAN I65

Development of Traversal-Direction Control of Smtering ConditionR. Nakajima, S. Kurosawa, H. Fukuyo, T. Wada, R. Kimura and Y. Yamaoka

NKK Corporation, JAPAN 163

Proceedings of The Sixth International Iron and Steel Congress, 1990, Nagoya, ISIJ

Innovative Technology of Ore Prepara tion Yard and Sintering Plant (2)

Improvement ofSintering Operation by the Strand Extension at WakayamaNo. 4 Sinter Plant

T. Shoho, K. Yanagisawa, T. Miyake, K. Kitamura and M. KasawakiSumitomo Metal Industries, Ltd., JAPAN

, 171

Anti-Pollution and Waste Heat Recovery for Sintering PlantS. Yamada, H. Kondo and H. Shiraishi

Sumitomo Heavy Industries, Ltd., JAPAN 179

Cokemaking Fundamentals

Recent Trends in and Future Outlook for Cokemaking Technology in the JapaneseSteel IndustryM. Tateoka

Nippon Steel Corporation, JAPAN 186

Analysis of the Carbonization Process in a Coke Oven Chamber, and ControlofCoke QualityK. Shiraishi*, M. Sakawa*, Y. Sakurai*, T. Okuhara* and Y. Aramaki**

*Nippon Steel Corporation, JAPANNippon Steel Chemical Co., Ltd., JAPAN 195

Measure ofthe Level ofCrackingin the Coke Oven— Severity IndicesD. Dumay, J.-F. Geny and D. Isler

Centre de Pyrolyse de Marienau, FRANCE 203

Application of Theoretical Models to Coke and By-Product Quality ControlK. Igawa, S. Kasaoka and H. OhshimaKawasaki Steel Corporation, JAPAN 211

Coke Quality

Development and Application of Automatic On-Line Analyzer for By-Products Processin Coke Plant

R. Nakajima, S. Hasebe, S. Matsumura and H. TaketomiNKK Corporation, JAPAN 219

Study of the Size Degradation Behavior of Coke

T. Arima, T. Nishi and T. Okuhara

Nippon Steel Corporation, JAPAN 226

Behaviour of Metallurgical Coke at High TemperatureN. Suzuki*, S. Itagaki*. S. Mitani*, S. Sato*^ and A. Kurumada**

*NKK Corporation, JAPANUniversity ofIbaraki, JAPAN 234

Production of Coke with a Large Amount ofLow Grade Coal Based on the Coke

Degradation Mechanism in the Blast FurnaceH. Iwakiri, T. Kamyyoh, H. Tanaka, F. Noma and J. KiguchiKobe Steel, Ltd., JAPAN 241

Coal Pretreatments (1)

Progress in Cokemaking Technology, Advanced Standard ofToday and the "New Face"

of Coking Plants ofTomorrow

G. Nashan

Ruhrkohle AG, F. R. GERMANY 249

Proceedings of The Sixth International Iron and Steel Congress, 1990, Nagoya, ISIJ

Coal Moisture Control System at Nakayama Steel Coke Oven BatteryM. Ueda, T, Kawata and R. Kishida

Nakayama Steel Works, Ltd., JAPAN 259

Loading Leveler and Partial Charging of Moisture Controlled Coal for Uniform

Carbonization in the Coke Oven

K. Miura, K. Inoue and K. Nishioka

Sumitomo Metal Industries, Ltd., JAPAN 267

Coal Pretreatments (2)

Results ofthe Preheated Coal Charging Operation at Muroran No. 6 Coke Oven BatteryM. Yokomizo, M. Fukunaga, Y. Nakagawa and T. IguchiNippon Steel Corporation, JAPAN 274

Coke-Making by Stamp ChargingH. Z. Kuyumcu

Saarberg-Interplan GmbH, F. R. GERMANY 282

The Role of Stamp Charging in Improving the Quality ofCoke from Indian Coals— Experiences at Tata Steel

A. K, Das, A. Chatterjee, C. D. Kamath, T. Mukherjee and J. J. Irani

The Tata Iron and Steel Co., Ltd., INDIA 291

Cokemaking Operations (1)

Gas Distribution Control in Combustion Chamber of Coke Oven

Y. Kato, H. Yoshida, H. Sato, T. Sumigama, Y. Watanabe, Y. Yamate and Y. IshiguchiNKK Corporation, JAPAN 300

Coke Oven Control and Transient Operating Conditions

R. Munnix*, D. Steyls*, G. Bury^* and S. Delfanne**

Centre de Recherches Metallurgiques, BELGIUMCockerill Sambre, BELGIUM 306

Development ofComputerized Operation Control System for Coke OvenY. Kawaguchi, Y. Niwa, T. Sumigama, Y. Watanabe, F. Kuwada and M. Inaba

NKK Corporation, JAPAN 314

Cokemaking Operations (2)

Actual Application of Hot Repairing Machine on Operational Coke OvensT. Kondo, M. Numazawa, T. Matada, T. Sakai and Y. NaritaSumitomo Metal Industries, Ltd., JAPAN 322

Optimal Automatic Operation of the Kashima Coke Dry-Quenching SystemI. Minamisawa, S. Katoh, Y. Ito and K. SatoSumitomo Metal Industries, Ltd., JAPAN

,329

Establishment of Coke Dry Quenching Technology with a Maximum Coke

throughput of 200 T/H

S. Kataoka*, J. Otsuka^, N. Yasukouchi* and H. Katahira**

Nippon Steel Corporation, JAPAN

Nippon Steel Chemical Co., Ltd., JAPAN 337

Controlling System ofBF Operations (1)

Recent Progress of Ironmaking Technology in JapanT. Shibuya and R. NakajimaNKK Corporation, JAPAN 345

Proceedings of The Sixth International Iron and Steel Congress, 1990, Nagoya, ISIJ

Application ofa Two-Dimensional Flow, Heat Transfer and Chemical Reaction Modelfor Process Guidance and Gas Distribution Control on Port Kembla No. 6 Blast FurnaceW. B. U. Tanzil, D. G. Mellor and J. M. BurgessBHP Co., Ltd., AUSTRALIA 355

Blast Furnace Operational System with the Application ofAdvanced Go/Stop Systemat Mizushima Works

T. Yamamoto, T. Sawada, K. Shinohara, M. Satou, M. Yamazaki and S. TamuraKawasaki Steel Corporation, JAPAN 364

Controlling System of BF Operations (2)

The Research of Blast Furnace Heat Flux Intensity Control and Operation Guide SystemZhou Yusheng*, YangTianjun^, Zhao Mingge*, Qi Baoming*, Chen Hongjia** and LiAnning**University ofScience and Technology Beijing, CHINAAnshan Ironand Steel Co., CHINA 372

Development of Expert Systems to Predict Blast Pressure in Blast Furnace OperationsSang Ho Yi*, II Ock Lee*, Jeon Young Lee**, Hoo Geun Lee**^ and Jae Gee Jin***Research Institute ofIndustrial Science andTechnology, KOREAPOSTECH, KOREA

POSCO,KOREA 379

Develpoment of Advanced Knowledge Engineering System for Operation Control

ofOita No. 2 Blast Furnace

H. Kanoshima, M. Sanui, S. Morimoto and A. Hatanaka

Nippon Steel Corporation, JAPAN 387

Analysis ofInternal State and Operations ofBF(1)

The Future ofthe Blast Furnace

A. Poos

Centre de Recherches Metallurgiques, BELGIUM 395

Optical Sensingin the Blast Furnace Raceway Zone

A. B. Duval, J. C. Scott, P. C. Wall and J. M. BurgessBHP Co., Ltd., AUSTRALIA 405

Analysis of Flow and Reaction in Lower Part of Blast Furnace by High-PrecisionMathematical Model

T. Sugiyama, S. Matsuzaki and T. NakagawaNippon Steel Corporation, JAPAN 414

Analysis of Internal State and Operations ofBF (2)

Control of Gas and Liquid Flow in Blast Furnace Based on Dead-Man CokeDynamicsM. Shimizu, Y. Kimura, K. Shibata, N. Takahashi and S. Inaba

Kobe Steel, Ltd., JAPAN 422

The Internal State ofthe Blast Furnace Hearth

R. Nicolle*, J. M. Steiler*, M. Helleisen*, M. J. Venturini*, N. Jusseau*^,M. Van Crayelinghe^*,B. Metz+# and P. Duperray**IRSID, FRANCE

SOLLAC, FRANCE 430

The Reaction Caused by the Mixing ofCoke into the Ore Layerin a Blast Furnace

M. Isobe, T. Sugiyama and S. Inaba

Kobe Steel, Ltd., JAPAN 439

- V -

Proceedings of The Sixth International Iron and Steel Congress, 1990, Nagoya, ISIJ

Burden Distribution

Development of New Charging System and Its Control for Blast Furnace

Du Hegui* and Hua Youfu**

Northeast University ofTechnology, CHINA**Jinan Ironmaking Plant, CHINA 447

Control ofBurden Distribution at Blast Furnace TopT. Inada, Y. Kajiwara, T. Tanaka and T. Jimbo

Sumitomo Metal Industries, Ltd., JAPAN 453

Control of Burden Distribution at Kure No. 2 Blast Furnace

T. Oishi

Nisshin Steel Co., Ltd..JAPAN 461

Center Coke Charging Method and High Rate Coal Injection at Kakogawa No. 2

Blast FurnaceY. Matsui, K. Kuwano, R. Hori, H. Miyatani, S. Tada and K. MatsunagaKobe Steel, Ltd., JAPAN 468

Coal Injection

Upper Limits to Amounts and Particle Sizes of Pulverized Coal Injectedinto Blast Furnaces As Viewed from CombustibilityK. Tamura, H. Ueno, K. Yamaguchi, M. Sugata, S. Amano and K. YamaguchiNippon Steel Corporation, JAPAN 476

Pulverized Coal Injection at Mizushima No. 4 Blast Furnace

M. Ohgami, H. Sugawara, M. Yamazakiand S. TamuraKawasaki Steel Corporation, JAPAN 484

Limits of Coal InjectionK. H. Peters, M. Peters, B. Korthas, K. Mulheims and K. Kreibich

Thyssen Stahl AG, F. R. GERMANY 492

Prospects ofBlast Furnace Technology with High Pulverized Coal Injection andOxygen Enrichment in China

Zhang Shourong and Yu Zhong Jie

WuhanlronandSteelCo.,CHINA 500

Integrated Operations ofBFand TheirAchievements (1)

Extending the Campaign Life of Kashima No. 3 Blast FurnaceA. Koike, K. Takata, Y. Yanagibashi, J. Kariya, M. Kojima and K. SatoSumitomo Metal Industries, Ltd., JAPAN 505

High Productivity Operation in NKK's Ohgishima No. 2 Blast FurnaceR. Nakajima, S. Kishimoto, B. lino, H. Hotta, H. Ito, S. Furuya and I. OhkouchiNKK Corporation, JAPAN 513

Investigation on Burden Descent in the Blast FurnaceM. Giuli*, M. Pinti*, G. Federico*^ and E. Salvatore**Centro Sviluppo Materiali S. p. A., ITALY**ILVA, ITALY 521

Blast Furnace Operation for Low Silicon Content at Fukuyama No. 5 Blast FurnaceY. Niwa, T. Sumigama, A. Maki, A. Yamaguchi, H. Inoue and T, TamuraNKK Corporation, JAPAN 527

Proceedings of The Sixth International Iron and Steel Congress, 1990, Nagoya, ISIJ

Integrated Operations of BFand Their Achievements (2)

Mechanization and Rationalization ofBlast Furnace Plant

N. Takahashi, H. Suzuki, J. Tsubota, K. Kobayashi and K. Shimada

Nippon Steel Corporation, JAPAN 535

The Development ofa Metallization Process Based on High-Temperature Conversionin RegeneratorsV. M. Zaichenko, V. A. Rabinkov and E. M. Shelkov

Institute for High Temperatures, USSR Academy ofSciences, USSR 543

Innovation in BF Route (1)

Rate Limiting Steps and Future Development of Blast Furnace IronmakingW-K. Lu

McMaster University, CANADA 548

Simultaneous Injection ofPulverized Coal and Dolomiteinto Blast Furnace TuyeresS. Komatsu, K. Sato, C. Yamagata, Y. Kajiwara and S. SuyamaSumitomo Metal Industries, Ltd., JAPAN 558

Iron Ore and Flux Injection through Blast Furnace Tuyeres and Its Effect

on Raceway Phenomena

K. Takeda, Y. Sawa, S, Taguchi, N. Takashima, T, Matsumoto and H. Obata

Kawasaki Steel Corporation, JAPAN 566

Innovation in BFRoute (2)

Operation Results of 10 T/D Scale New Ironmaking ProcessH. Momokawa, H. Itaya, H. Katayama, M. Sato, T. Ushijima and T. Hamada

Kawasaki Steel Corporation, JAPAN 574

Development ofthe Oxygen Blast Furnace Process

M. Matsuura, H. Mitsufuji, T. Furukawa and Y. Ohno

NKK Corporation, JAPAN

The Full Oxygen Blast Furnace (FOBF) Process

Qin Minsheng and Qi BaomingUniversity ofScience and Technology Beijing, CHINA

581

589