10th International Symposium on High-Temperature Metallurgical Processing (eBook)

The Minerals, Metals & Materials Society (TMS) is a member-driven international professional society dedicated to fostering the exchange of learning and ideas across the entire range of materials science and engineering, from minerals processing and primary metals production, to basic research and the advanced applications of materials. Included among its nearly 13,000 professional and student members are metallurgical and materials engineers, scientists, researchers, educators, and administrators from more than 70 countries on six continents.

Preface 5
Contents 7
About the Editors 15
Part I Simulation of High-TemperatureProcesses 22
1 A Mathematical Model for Carbon Loss of Blast Furnace Based on Traditional Engineering Method 23
2 Study on Alkali Circulation Process and Its Influence on Coke Ratio in Blast Furnace 34
3 Fuzzy Gray Relational Analysis for Electromagnetic Parameters of Induction Heating Process 44
4 Numerical Simulation of Inclusion Removal in a Novel Tundish with Swirl Flow 58
5 Numerical Simulation Study on Design Optimization of Inner Cavity Dimensions of Large-Capacity Tundish 70
Part II Energy Efficient Clean MetallurgicalTechnologies 81
6 Preparation of High-Carbon Metallic Briquette for Coke Saving in Blast Furnace 82
7 Study of Siderite Fluidized Magnetization Roasting and Magnetic Separation 91
8 Emission Profile of PM?? and PM?.? in Iron Ore Sintering Process and Control Technology 100
9 Viscosity Properties of Mould Flux Under Low-Frequency Electromagnetic Field 110
Part III Fundamentals of Metallurgical Processes 121
10 Effects of Cr?O?, FeO and CaO/SiO? Ratio on the Apparent Viscosity of CaO-SiO?-MgO-MnO-FeO-Cr?O? Slags 122
11 Thermodynamic Analysis of Carbothermic Reduction of Electric Arc Furnace Dust 130
12 Influence of Cr?O? Content on Slag Viscosity Under Different Melting States and Temperature Programs 138
13 Influence of Mould Slag Compositions with Different Reactivity on the Erosion Rate of ZrO?-C Bearing Submergence Entry Nozzle 149
14 A New Method for Determining High-Temperature Wettability of Bonding Phase 156
Part IV High-Temperature Processing 165
15 Research on Dezincification of Ironmaking and Steelmaking Ashes 166
16 Effects of Temperature and Alkali Carbonates on Graphitization and Metallurgical Properties of Coke 173
17 Field-Assisted Sintering of Nickel-Based Superalloy Powder for High-Temperature Hybrid Turbine Disc Applications 183
18 Sintering Test Research of High Proportion Limonite 196
19 A Machine Learning Method for State Identification of Superheat Degree with Flame Interference 206
Part V Extraction and Recovery of Metals 216
20 Study on Volatizing Tin from Tin-Bearing Middling by Carbothermic Reduction in Rotary Kiln 217
21 Isothermal Sulphation Roasting of Nickel Sulphide Minerals in a Static Air Atmosphere 226
22 Thermal Transformations of Main Components in Molybdenite Concentrates Under SO?-Containing Atmosphere 235
23 A Novel Method of Recovering Rare Earths from Bayan Obo Rare-Earth Concentrate Under Super-Gravity Field 246
Part VI Ironmaking and Steelmaking 258
24 Sintering Characteristic and Consolidation Behaviour of Chromite Fines 259
25 Construction and Practice on Energy Flow Network of New Generation Recyclable Iron and Steel Manufacturing Process 270
26 Dependency of Microstructure and Inclusions on the Different Growth Rate for Directionally Solidified Non-quenched and Tempered Steel 280
27 Development of Offshore Steel for High Heat Input Welding 289
28 Slag Basicity: What Does It Mean? 297
29 Investigation on Clogging of SubmergedEntry Nozzles for GCr15 Bearing Steels 309
Part VII Preparation of Alloys and Materials I 318
30 Effects of Electrolytic Parameters on the Preparation of Al–Sc Master Alloy in Na?AlF?-K?AlF?-AlF? Melt 319
31 Numerical Simulation Study on the Position Layout of the Permeable Brick at the Bottom of 300t Reblown Converter 326
32 Optimization of Zn-Al-Fe Alloy Vacuum Distillation Experiments by Response Surface Methodology 337
33 Review on Preparation of Medium- and Low-carbon Ferrochrome Alloys 345
34 Study on Separation of Sn-Sb Alloy by Vacuum Distillation 356
35 Statistical Optimization of Tungsten Carbide Synthesis Parameters 366
Part VIII Preparation of Alloys and Materials II 374
36 Effects of CeO? on Melting Temperature, Viscosity and Structure of Mold Fluxes for Casting Rare Earths Alloyed Steels 375
37 Experimental Study on the Mechanism of Lead Vapor Condensation Under Vacuum 386
38 Effect of Al on the Formation of IAF in Al–Ti–Mg Deoxidized and RE-Treated Steel 398
39 Effect of Ce Treatment on the Composition of Nucleation Inclusion in Ti–Mg Complex Deoxidized C–Mn Steel 407
40 Effect of La Addition on Inclusions, Microstructures, and High-Temperature Mechanical Properties of As-Cast FeCrAl Alloys 418
41 Removal of Copper from Fe–Cu Alloy by Using Iodine 426
Part IX Treatment and Recycling of Wastes 432
42 Effect of Chemical Composition on the Crystallization Behaviour of Rare Earth Phase in Slag 433
43 Effects of Steel Scrap Oxidation on Scrap Preheating Process in an Electric Arc Furnace 442
44 Enriching and Separating Iron Impurity from Galvanizing Dross by Super-Gravity Technology 455
45 Parameters of the Metallic Calcium Reduction from Magnesium Production Residues 467
46 Smelting Studies for Recovery of Iron from Red Mud 476
47 Optimization on Drying of Acid Leaching Slag by Microwave Heating Using Response Surface Methodology 487
Part X Utilization of Complex Ores 495
48 Effect of Core Diameter on the Compressive Strength and Porosity of Itakpe Iron Ore Pellets 496
49 Correlation Between Reduction Degree and Softening and Melting Properties of Pellets 507
50 Effect of TiO? on the Viscous Behaviour of the CaO–SiO?–14 Mass% Al?O?–8 Mass% MgO–TiO? Slag 515
51 Granulation of Semisteel by Rotary Disc Atomizer 523
52 Dissolution Kinetics of Titanium in Carbon-Saturated Iron 529
53 Research on Mineral Structure and Compositions of Peru Raw Ore 537
Part XI Poster Session 550
54 A Literature Review of Heat Capacity Measurement Methods 551
55 Application of Offgas Analysis on Predicting Carbon Content at End Point During Steelmaking Process 560
56 Calcination of Strontium Carbonate in Rotary Kiln Furnace 572
57 Determination of Effect of Li?O on the Structure of CaO-Al?O?-Based Slag by Molecular Dynamics Simulation and Raman Spectrum 579
58 Dissolution Reaction of Earthy Graphite in Liquid Steel 589
59 Distribution Behaviour of Metals in Copper Alloy Under Super-Gravity Field 599
60 Effect of H?/CO Ratio on Gas Consumption and Energy Utilization Rate of Gas-Based Direct Reduction Process 610
61 Effects of Particle Size of Coke on Iron Ore Sintering Process 627
62 Experimental Study on Dechlorination of Cold-Rolling Sludge at High-Temperature Roasting 635
63 Extraction Process of Antimony from Stibnite by Electrothermal Volatilization 642
64 Influence Factors Analysis on Scavenging of Chlorine Impurity from Crude Titanium Sponge 657
65 Kinetic Study on Decomposition and Dissolution of Limestone in Converter Slag 668
66 Low-Grade Phosphorus-Containing Iron Ore for the Removal of Cu(II) Ion from Wastewater 679
67 Mechanism of the Chlorination Roasting of Nickel Sulphide Concentrate with Ammonium Chloride 687
68 Numerical Simulation Investigation on the Flow and Temperature Fields in Tundish with Gas Injection into Ladle Shroud 696
69 Recovery Indium from Indium-Enriched Cementation and Co-precipitation Simultaneously Fe-As 705
70 Research on Comprehensive Recovery and Harmless Treatment Process of Copper Smelting Slag 713
71 Structure–Property Correlations of Al?O? ? SiO? Substitution in Blast Furnace Slag 730
72 The Study of Hot Metal Dephosphorization by Replacing Part of Lime with Limestone 739
73 Study on Energy Utilization of High Phosphorus Oolitic Haematite by Gas-Based Shaft Furnace Reduction and Electric Furnace Smelting Process 747
74 Study on the Effect of Different CO?–O? Mixture Gas Blowing Modes on Vanadium Oxidation 756
75 Thermodynamic Analysis of Precipitation of La-O-S-As Inclusions in Steel 764
Author Index 773
Subject Index 777