UB/TIB Hannover

Unified International Technical Conference on Refractories Fourth Biennial Worldwide Conference on Refractories

"Global Development of Refractories"

PROCEEDINGS Hosted by The Technical Association of Refractories, Japan

Kyoto International Conference Hall, Kyoto, Japan

November 19-22, 1995 in conjunction with The 8th Annual Colloquium on Refractories, Japan

No. 8 —

Vol.

2

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Tuesday Morning, November 21 Room A V . Refractories for HC Industries and Waste Incineration T. Session V - 1

Chairpersons Y. Ikeru, Mino Ceramic, Japan R. P. Racher, ALCOA Indus., USA

41. Corrosion Resistance of AbCh-SiC Castables to Molten Ash from Incinerators, K. Ariyoshi, K. Maeda, T. Hasegawa and S. Ohchi 3 , Yotai Refractories Co.,Ltd., Japan (No. 56)

1

42. Cr2O3-Based Clinkers and Cr203-Al203-Zr02 Refractories for Sewage Sludge Melting Furnace, T. Kato" and T. Kusakabe, JGC Corp.; and H. Kozuka and S. Ohta, Mino Ceramic Co.,Ltd., Japan (No. 81)

9

43. High Alumina Refractory Corrosion in Waste Water Incinerator of a Chemical Plant, E. Criado*, Instituto de Ceramica y Vidrio, CSIC. Spain (No.186)

1?

44. Performance of Chromia and Picrochromite Refractories Developed for the HYCOL Coal Gasification Pilot Plant Reactor, T. Morimoto*, Hitachi Ltd.; and K. Murakami and E. Kida, BabcockHitachi K. K.; and S. Kumakura, Asahi Glass Co.,Ltd.; and K. Wakasugi, Shinagawa Refractories Co..Ltd.; and T. Shimamori, NGK Spark Plug Co.,Ltd.; and K. Nomura, NEDO, Japan (No.194)

25

VI. Refractories for Tundish and Continuous Casting T. Session VI- 1

Chairpersons K. Yamamoto, Shinagawa Refr., Japan H. B. Johnson, Consolidated C.P., USA

45. Labor Saving in Ladle Sliding Nozzle, T. Taira* and K. Tsuyuguchi, Krosaki Corp., Japan (No. 58)

33

46. Development of Magnesia Spinel Slide Gate Plate for Ca-Treated Steel, T. Kawaraura, T. Valuta*, T. Fushimi and K. Ito, Toshiba Ceramics Co. Ltd.; and Y. Kubo and S. Kawahigashi, Sumitomo Metal Industries Ltd., Japan (No. 87)

40

47. Improvement of Slide Gate Plates for High Oxygen Steel, Y. Shiratani, T. Yoshida, Y. Koike and K. Takagi*. TYK Corp., Japan (No. 88)

48

No. 9 48. Development of Recycling Technology for Slide Gate Plate, A. Kuwabara, M. Hoteiya, T. Miki and Y. Ogiso", Sumitomo Metal Industries Ltd.; and T. Kawamura, T. Fushimi and T. Shimoda, Toshiba Ceramics, Japan (No.141)

56

Tuesday Afternoon, November 21 Room A T. Session VI- 2

Chairpersons K. Tsuyuguchi, Krosaki Corp., Japan E. T. Kim, Chosun Refr., Koria

49. The Thermal Shock Resistance of Alumina-Graphite Refractories for Continuous Casting of Steel, A. Phillipps, D. Simkin and M. Witt", Cookson Technology Centre, UK; and F. Dillon, Q. Robinson and H. Park, Vesuvius Research Center, USA (No. 71)

65

50. Slit Type Immersion Nozzle of Alumina-Graphite Material, M. Ando, H. Okumura, S. Takahashi and K. Yamaguchi*. TYK Corp., Japan (No.104)

73

51. Development of New Submerged Nozzles to Reduce Alumina Build up in Continuous Casting, E. Hanse, Vesuvius; and J. Poirier and M. A. Guiban, SOLLAC-CRDM; and P. Tassot, SOLLAC, France; and B. Thillou and P. Benson, Vesuvius, USA (No.134)

79

52. Investigation of Anti-Alumina Build up Material for Submerged Entry Nozzle, T. Yamamura, 0. Nomura, E. Iida* and M. Nakamura, Shinagawa Refractories Co. Ltd., Japan (No.138) 87

T. Session VI- 3

Chairpersons T. Fushimi, Toshiba Ceramics, Japan A. Caballero, Inst. de Ceramica y Vidrio, Spain

53. Optimisation of Continuous Casting Refractory Materials and Designs, S. J. Lee11 and I. Proudfoot, Thor Ceramics Ltd., Scotland, UK (No. 73)

95

54. Effect of Manganese Oxide on the Corrosion Behavior of Alumina-Silica-Graphite Shroud Nozzle in Continuous Casting, Y. C. Lee*, China Steel Corp., Chinese Taipei (No. 39)

101

55. Cartridge Type SGV System Adapted to Automation, H. Nishio, M. Sato, K. Yamamoto and K. Ishii3, Shinagawa Refractories Co. Ltd., Japan (No. 91)

109

56. The Application of Basic Materials for CC Refractories, M. Ando*, H. Ozeki. T. Muroi and K. Oguri, Akechi Works. TYK Corp., Japan (No.103)

116

No. 10 T. Session VI- 4

Chairpersons M. Amano, Nippon Steel, Japan P. de Lafarge. Lafarge Refr. Mono, France

57. Improvement of Tundish Inner Lining Refractory, K. Sakakidani*. K. Fujii and M. Tawara, Nisshin Steel Co.,Ltd., Japan (Ho. 49) 125 58. Experiences of Different Tundish Lining Materials in Continuous Casting, H. Nevala* and J. Karja, Rautaruukki Raahe Steel; and J. Harkki, University of Oulu, Finland (No.120) 133 59. An Appropriate Material for Dams & Weirs — A Tata Steel's Approach, K. S. Ghosh, K. N. Das and N. V. S. Krishna, Tata Iron and Steel, India (No.189)

141

60. Development of Gunning Material for Hot Repair of CC Tundish, S. Terayama*. T. Kondo, Y. Toritani and S. Tanaka, Kawasaki Refractories Co. Ltd., Japan (No. 99)

148

61. Refractories Technology for Continuous Recycle Operation of Tundish, K. Ohkuma*. N. Genma, K. Matsuo, R. Ohshima and A. Ohte, Kakogawa Works, Kobe Steel Ltd., Japan (No.Ill)

156

No. 11 Tuesday Morning, November 21 Room B - 1 Vn. Monolithic Refractories T. Session VII- 1

Chairpersons Y. Hamazaki, Shinagawa Refr., Japan Mrs. N. Bunt, Lafarge Ca.Al., USA

62. Ageing of Aluminous Cement in LCC, A. Mathieu*, Lafarge Aluminates: and J. P. Bayoux, J. P. Falaschi and M. Vialle, Lafarge Coppee Recherche, France (No. 13)

165

63. Castables in the System Mg0-Al 2 0 3 -Si0 2 , B. Sandberg* and B. Myhre, Elkem a/s Refractories; and J. L. Holm, The Norwegian Institute of Technology, Norway (No. 72)

173

64. Magnesia Containing Basic Castables, A. Watanabe, H. Takahashi, S. Takanaga and M. Uchida*, Kyusyu Refractories Co. Ltd., Japan (No.154) 181 65. Graphite Containing Unshaped Refractories, S. Sakamoto*, Y. Ono and T. Ono, Asahi Glass Co. Ltd., Japan (No. 25) 189

T. Session VH- 2

Chairpersons Y. Kawase, Krosaki Corp., Japan P. L. Ghirotti, Plibrico/Sanac, Luxemburg

66. New Generation Castables for the Hydrocarbon Processing Industry, 0. Hunter*, J. Y. Liu and D. A. Mclntyre, A. P. Green Industries Inc., USA (No. 33)

197

67. Application of Self-Flow Type Castable Refractories in NKK, H. Nakashima, E. Konishi* and S. Sudo, Keihin Works, NKK Corp.: and T. Takahashi, Fukuyama Works, NKK Corp., Japan (No.164) 205 68. Applied Technology Roller of Stainless Steel Fibre Reinforced Castable, X.Y. Liu* and B. G. Zhang, Central Research Institute of Building & Construction MMI, China (No.149) 214 69. Porous Mullite Aggregate and Lightweight Castable, B. G. Zhang* and X. Y. Liu, Central Research Institute of Building & Construction MMI, China (No.148) 221

No. 12 Tuesday Afternoon, November 21 Room B - 1 T. Session VD- 3

Chairpersons I. Tsuchiya, kawasaki Refr., Japan A. Mathieu, Lafarge Aluminates, France

70. Experience with Castable Linings for Coal-Fired Reduction Kilns in the Republic of South Africa, D. L. Thomas', ISCOR Refr.; and E. J. Diederichs, Cullinan Refractories, South Africa (No. 5)

229

71. Phosphate Bonded Castable, K. Nishi'5, K. Hosokawa and S. Uto, Hariraa Ceramic Co. Ltd., Japan (No. 94)

237

72. Development of Chemical Free High Purity Zero-Cement Castable, L. N. Banerjee, U. Sengupta, R. K. Basu* and S. K. Mukhopadhyaya, Indo-Flogates Limited, India (No.171)

245

73. Demands on Unshaped Refractories in the Next Decade, R. Krebs*, Plibrico GmbH, R&D Centre, Germany (No.184) 253

T. Session VII- 4

Chairpersons T. Sano, Nippon Crucible, Japan K. M. Schultz, ISCOR Refr., S. Africa

74. Selection of Castables Used in Iron and Steel Production, R. de Jong*, P. Tamis and M. Franken, Hoogovens Groep BV, Netherlands (No. 69)

Z6Z

75. Introduction of Unshaped Products without SiOa in Secondary Metallurgy for the Cleanliness of Metal, F. Etienne*. M. Jacquemier, B. Clavaud and P. Meunier, Lafarge Refractaires Mono., France (No.129)

270

76. Application Technology of Monolithic Refractories in NSC, J. Yamada*, S. Sakaki, K. Kasai, T. Matsui and H. Ishimatsu, Nippon Steel Corp., Japan (No.109)

277

77. Development and Application of Scum Weir for a Tundish and Exploration for its Antislag Erosion Mechanism, D. Chen and H. He*, Central Research Institute of Building and Construction of Ministry of Metallugical Industry, China, (No. 14) 285

No. 13 T. Session VII— 5

Chairpersons M. Ishikawa, Taiko Refr., Japan R. H. Dalmia, Orissa Cement, India

78. Development of CaO-Containing Basicity Castong, T. Sasaki", K. Yamaguchi, M. Kataoka, I. Takita and J. Egarai, Krosaki Corporation, Japan, (No.209)

293

79. Role of Alumina Cement in Castable Refractories, Y. Sasagawa*. M. Sato, K. Nozawa, Denki Kagaku Kogyo K.K., Japan (No.213)

301

80. Alumina Based Castables with Very Low Contents of Hydraulic Compound, Part I : The Effect of Binder and Particle-Size Distribution on Flow and Set, B. Myhre" and K. Sunde, Elkem a/s Refractories, Norway (No. 36)

309

81. Alumina Based Castables with Very Low Contents of Hydraulic Compound, Part II : Strength and High-Temperature Reactions of "No-Cement" Castables with Hydraulic Alumina and Microsilica, B. Myhre* and K. Sunde, Elkem a/s Refractories, Norway (No. 34) 317 82. Application and Development of Unshaped Refractories in Iron and Steel Industry, G. Yuan8, D. Chen and H. He, Central Research Institute of Building and Construction of Ministry of Metal lugical Industry, China (No. 11)

325

No. 14 Tuesday Morning, November 21 Room B - 2 IV. Basic Science T. Session IV- 4

Chairpersons E. Kawamoto, TYK Corp., Japan X. C. Zhong, Luoyang IRR, China

83. Chrome-Free Refractory for Vacuum Degassers, A. Tsuchinari*, H. Okamoto and Y. Yokoyama, Hariraa Ceramic Co.,Ltd., Japan (No. 92) 84. Behavior of Antioxidants Added to Carbon-Containing Refractories, A. Yamaguchi, S. Hashimoto, J. Yu and S. Zhang1*, Nagoya Institute of Technology, Japan (No.136)

333

341

85. Magnesia-Chrome Refractories with Excellent Spa 11 ing Resistance Obtained by Microstructure Control Technique, A. Ikesue", K. Shimizu, J. Yoshitomi and M. Harada, Krosaki Corp., Japan (No.207) 349 86. A Thermodynamical Analysis of Reactions of Oxides with Carbon in Nitrogen Atmosphere, M. X. Jiang and A. Q. Ma, Xi'an University of Architecture & Technology; and X. H. Ma and Y. Y. Liu, Luoyang Refractory Plant, M.I.M., China (No. 64) 357

T. Session IV- 5

Chairpersons T. Harada, Krosaki Corp., Japan P. G. Whiteley, Hepworth Refr., UK

87. The Application of Thermo-Mechanical Modelling to Carbon Bonded Refractory Structures, M. Frith, D. T. Evans* and I. Strawbridge, Hepworth Refractories Ltd., UK (No. 21)

365

88. Evaluation of Thermomechanical Properties of Alumina Refractories Containing a Fused Mullite-Zirconia Aggregate, V. C. Pandolfelli*, V. R. Salvini and J. A. Rodrigues, University Federal S. Carlos, Brazil; and H. Hubner and C. Wolf, Technical University Hamburg-Harburg, Germany (No. 65) 373 89. Textural Change Behavior of Refractories during Thermal Shock Resistance Test and its Quantitative Evaluation, J. Nakao, H. Taira*, S. Tamura and K. Asano, Nippon Steel Corp.; and M. Nakamura, Kyoto Institute of Technology, Japan (No. 83)

381

90. Influence of Various Zirconia Additives on High Temperature Properties of Magnesia Spinel Brick, J. L. Sun* and S. J. Dou, Anshan Institute of Iron and Steel Technology, China (No. 24)

386

No. 15 Tuesday Afternoon, November 21 Room B - 2 T. Session IV- 6

Chairpersons A. Yamaguchi, Nagoya Inst. of Tech., Japan S. Radovanovic, Magnofrom, Yugoslavia

91. Thermal Shock Testing of Refractories and the Energy Balance Approach to Damage Assessment, R. C. Bradt, The University of Alabama, USA (No.130)

393

92. Size-Effect Law in the Fracture Resistance of a Graphite Refractory Materials, M. Sakai, Toyohashi Univ. Tech.; and H. Kurita*. Toshiba Ceramics. Co.,ltd, Japan (No.145)

400

93. Effect of Moisture on the Thermal Conductivity of the Refractory Concrete, W. N. Santos*, J. B. Baldo and J. S. Cintra Jr., Universidade Federal de Sao Carlos, Brazil (No.118)

408

94. Refractory Cements in the System (Ca, Sr, Ba)0-Mg0-Al203"Cr203, N. Ilioukha*, V. Timofejeva and G. Gorjavov, Technical University, Kharkov; Ukraine (No.188) 416

T. Session IV- 7

Chairpersons Z. Nakagawa, Tokyo Inst. of Tech., Japan D. Fernandez, ERECOS, Colombia

95. New Developments in the Field of Technologies and Equipment for Refractories Production, G. I. Kuznetsov*, G. A. Tarakanchikov and A. A. Kortel, St. Petersburg Institute for Refractories, Russia (No.205)

422

96. Influence of Grain Boundaries in Fused ZrO 2 on the Reaction with the Mold Powder, M. Harada, S. Iitsuka, M. Minami and S. Katagiri*. Krosaki Corp., Japan (No. 79)

428

97. An Application of Plasma Flame to Sintering: Plasma Sintering Temperature of Y2O3 Doped AIN, K. Kijima, Kyoto Institute of Technology, Japan (No.139)

434

98. High Temperature Strength Properties of Some Oxide and Nonoxide Composites, X. C. Zhong*. Luoyang Inst. Refr. Res.: and T. S. Li, W. C. Li and H. L. Zhao, University of Science and Technology, Beijing, China (No. 19)

441

No. 16 T. Session IV- 8

Chairpersons R. Nakaraura, Shinagawa Refr., Japan M. Rigaud, Ecole Polytec, Canada

99. Oxidation Behavior of Porous SiC at High Temperatures, H. Nanri*, and M. Wakamatsu, Taiko Refractories Co. Ltd.; and S. Ishida, and N. Takeuchi, Kyoto Institute of Technology, Japan (No.105)

450

100. Investigation on the Magnetic Susceptibility of MgO-C Brick, Y. F. He*, TYK Corp., Japan; and Y. T. Li and X. J. Yan, Northeastern University, China (No. 68)

457

101. Sintering Behavior and Application of Mg-PSZ Ceramic Powder Made by Wet Chemical Method, B. Yang", Luoyang Institute of Refractories Research, China (No. 50)

462

102. The Effect of Slip Casting Parameters on the Properties of Si3N4 Bonded SiC, J. Zhao*, Z. Zhang, H. Huang, Z. Huang, X. Lu and Y. Ren, Luoyang Institute of Refr. Res., China (No. 51) 468 103. The Studies on Corrosion Mechanism of Magnesia Spinel Refractory by CaO Enriched Converter Slag, S. J. Doua and J. L. Sun, Anshan Institute of Iron & Steel Technology; and J. L. Sun, Northeast University, China (No. 23)

474

No. 17 Tuesday Morning, November 21 Room K VD. Refractories for Degassing and Secondary Refining T. Session Vffl- 1

Chairpersons A. Tsuchinari, Harima Ceramic, Japan R. Gavagna, Refr. Argentinos, Argentina

104. The development of RH Degasser Linings at British Steel Pic, J. H. Bailey*, D. E. Capes and B. L. Walker, British Steel, UK (No. 15)

481

105. Techniques in Extension of Campaign Life for RH Degasser Vessel with Oxygen Top Blowing Equipment, M. Kamo*, M. Kuwayama, M. Yoshida and T. Yamamoto, Mizushima Works, Kawasaki Steel Corp., Japan (No.122)

489

106. Super Dense Direct Bonded Magnesia-Chrome Brick for AOD and OTBC Application, R. Jhunjhunwala*, M. M. Sahu and P. C. Padhi, Orissa Industries Limited, India (No. 77)

497

107. Cost Reduction of VOD Ladle, S. Kawahigashi*. Y. Matsumura, M. Yokoyama and N. Hiroki, Sumitomo Metal Industories Co., Ltd., Japan (No.168)

506

K . Raw Material Selection and Application T. Session DC- 1

Chairpersons I. Suzuki, Showa Denko, Japan K. Rundgren, Swedish Ceramic Inst., Sweden

108. Effect of Impurities on the Hydration of Magnesia Clinkers, K. Matsui* and K. Saihi, Shin-nihon Chemical Industry Co., Ltd., Japan (No. 57)

513

109. Microstructure of Magnesia Refractories Prepared from Iranian Magnesite, F. Golestani-fard and V. Marghosian, Iran University of Science; and B. Fotouhi and S. Roshanfekr, Pars Refractories Co., Iran (No. 66)

521

110. Properties of Magnesia Refractories Prepared from Iranian Magnesite, F. Golestani-fard*, and V. Marghosian, Iran Univ. of Science and Technology; and B. Fotouhi and S. Roshanfekr, Pars Refractories Co., Iran (No. 67)

527

111. MgO Raw Material Improved the Hydration Resistance, A, Kaneyasu, S. Yamamoto and T. Watanabe*. Ube Chemical Ind. Co.,Ltd., Japan (No.107)

533

No. 18 Tuesday Afternoon, November 21 Room K T. Session DC- 2

Chairpersons K. Matsui, Shin-nihon Chemical Industry, Japan N. A. Stone, CSIRO Refractories, Australia

112. Magnesio-Aluminate Spinel - A Potential Raw Material for Making New Generation Refractories, B. Ghosh, P. Chakraborty, P. G. Pal, S. K. Mitra and K. S. Swaminathan, Tata Refractories Ltd., India (No. 1)

541

113. Sintered MgO Clinker Containing AI2O3, H. Shima, Yamaguchi Univ.; and A. Kaneyasu and S. Shinmatsu*, Ube Chemical Ind. Co.,Ltd., Japan (No.106)

550

114. Development of Zircomullite Aggregates from Beach Sand, B. Mukherjee, S. K. Das, G. Banerjee*, A. Ghosh, K. Das and J. R. Biswas, Central Glass & Ceramic Research Institute, India (No.170)

558

115. White Fused Alumina & Zirconia Manufactured by AFM, Western Australia, A. MacDonald* and P. Paul, Australian Fused Materials Pty. Ltd., Australia (No. 85)

566

T. Session DC- 3

Chairpersons M. Ezoe, Naigai Ceramics, Japan N. Li, Wuhan ISU, China

116. Jari Brazilian Calcined Bauxite-Production and Application in High Alumina Refractories-MSL Minerals S.A., H. Leupold3, MSL Minerais S.A., Germany; and G. Vermeer, Caerai International B. V., Netherlands (No.197)

571

117. Refractories Based on Using Dross from Remelting of Aluminium Scrap, K. Rundgren*. M. Eriksson and R. Pompe, Swedish Ceramic Institute; and A. Sandren, Svenska Hoganas; and 0. Clevesson and G. Sjoberg, Finspong Aluminium, Sweden (No.180) 579 118. Microporous Refractory Materials for High Temperature Applications, P. K. Mondal, S. N. Mukherjee and G. Banerjee*. Central Glass & Ceramic Research Institute; and R. K. Kolay and M. M. Sahu, Orissa Industries Limited, India (No.169)

586

119. Effect of the Quality Assurance System (QAS) on Quality of Refractory Raw Materials, F. Puskas, I. Csutak and E. Toth** MOTIM Co.Ltd., Hungary (No.101)

594

No. 19 T. Session DC- 4

Chairpersons H. Kususe, Yotai Refractories, Japan R. Jhunjhunwala, ORIND, India

120. On the Properties of MgO-AhOs Spinel Clinkers Synthesized in China, Y. Li*, Iron & Steel Research Institute, China (No. 28) 602 121. The State-of-the Art and Prospects of the Basic Refractory Raw Materials in China, L. Wu*. Production Coordination Dept. M.M.I., China (No. 55) 608 122. The Significance of Fused Refractory Raw Materials in the High Performance Refractories, Y. Gao, Z. Dong and G. Liu, Meihekou Special Refractory Plant; and Y. Lin, Luoyang Institute of Refractories Research, China (No.176)

615

123. Experimental Study of Ball Clays, D. Chen*, Central Research Institute of Building and Construction of Ministry of Metallugical Industry, China (No. 12)

622