11th International Symposium on High-Temperature Metallurgical Processing (eBook)

Preface 5
Contents 7
About the Editors 17
Part I Simulation of High-Temperature Processes 26
1 Hydraulic Model Study of Combined Blowing in 65t Electric Arc Furnace (EAF) 27
2 A New and Highly Efficient Argon Blowing Mode for a 70t Steelmaking Ladle 37
3 A Kinetic Model for the Interaction of FeO with MgO-14.5 wt% C Refractory Under the Conditions of the Novel Flash Ironmaking Technology (FIT) 45
4 The Narrow Window Evaluation Model of Converter Operation Process Based on the Logistic Regression Algorithm 56
5 The Development of a Heat and Mass Transfer Model for a Shaft Kiln to Preheat Manganese Ore with Hot Air, Model Development Methodology 65
6 Numerical Simulation Study on Optimization of Large-Capacity Single-Strand Tundish Flow Control Devices 76
7 Predictive Modeling and Optimization of the Variant Combinations of Material Ratios in the Gasification–Reduction Coupling Process 87
Part II Energy Efficient Clean Metallurgical Technologies 99
8 Clean and Efficient Recovery of Precious Metals from Ag-Rich Lead Slime Anode 100
9 Effects of Electrolytic Parameters on the Deposition of Boron at the Cathode During Molten Salt Electrolysis of Silicon 111
10 The Application of an Effective Equilibrium Reaction Zone Model Based on CALPHAD Thermodynamics to Steel Making 119
11 Optimization Dephosphorization Process of the Early Stage in 300t Steelmaking Converter with Top and Bottom Combined Blowing 132
12 Mechanical Properties of a Laser Deposited Spherical Ti4822 Alloy 140
13 Study on the Relationship Between Process Reconstruction and Energy Saving of Iron and Steel Manufacturing Process in China 149
14 Effect of Magnetic Field on CaO–SiO?–CaF? Mould Flux: New Insight from Molecular Dynamic Simulation 163
15 Investigation of the Crack Initiation and Propagation in Super Duplex Stainless Steel During Hot Working 172
Part III Fundamentals of Metallurgical Processes 183
16 Corrosion Behaviors of Al?O? and ZrO? Refractories in Contact with High-Basicity Refining Slag 184
17 Phase Equilibria in the System Al?O?–MnO–SiO?: Thermodynamic and Application 196
18 Thermodynamic Analysis of Chlorination of Zinc-Bearing Phases in Pyrite Cinder 205
19 Numerical Simulation Study of Arrangement Height and Angle of Rotary Hearth Furnace Burner 215
20 Estimation of Thermodynamic Properties of Sodium Magnesium Silicates by the Polyhedron Method 226
21 Numerical Simulation on Distributor Optimization of Twin-Roll Strip Continuous Casting 238
22 Effect of Al and Ca Content on the Behavior of the Inclusion in High-Grade 304 Type Stainless Steel 249
23 Development of Online Control Software for Precise Calcium Treatment of Steels 262
Part IV High-Temperature Processing 269
24 Effect of CO? on Vanadium Extraction and Thermal Effect in Top-Bottom Combined Blowing Converter 270
25 Control of the Distribution of Vacuum Arcs Within Vacuum Arc Remelting with Externally Applied Magnetic Fields 279
26 High Temperature Processing of Tungsten Slag 294
27 Non-isothermal Kinetics of Carbothermic Reduction of Fayalite 300
28 Upgrading Pilot-Scale Facility at MINTEK to Evaluate the Effect of Preheating on Smelter Operations 308
29 Preparation of Expanded Slag Ball with Blast Furnace Slag by Rotary Cup 323
30 Ripening Behavior of Carbides in Low-Carbon Low Alloy Steel FAS3420H During Spheroidizing Annealing Process 332
31 Study of the Influence of the Angle Between the Bottom Blowing Elements on the Dynamic Conditions in a 300t Converter 343
Part V Extraction and Recovery of Metals 358
32 Recovery of Chromium from Ferronickel Slag via Alkaline Roasting Followed by Water Leaching: Effect of Roasting Atmosphere 359
33 Purification of Crude Selenium and Recovery of Gold and Silver by Vacuum Distillation 369
34 Effect of P?O? on the Recovery of Ti from Ti-Bearing Blast Furnace Slag by Super-Gravity 381
35 A Study on Recovery of Iron from Red Mud by Solid State Reduction Followed by Magnetic Separation 392
36 Self-reduction of Core-Shell EAF Dust-Biochar Composite Pellets Under Microwave Irradiation 403
37 Recovery of Copper from Copper Smelting Slag Using a Green Reductant 414
38 Separation of Vanadium from Iron in Vanadium-Rich Molten Iron 427
39 Effect of Additives on Semi-molten State Reduction for Titanium Slag Production from Ilmenite Concentrate 440
Part VI Treatment and Recycling of Wastes 448
40 Effect of La Content on Inclusions and Microstructure of C–Mn Steel Treated By Ti–Mg–Ca 449
41 Research on the Database Construction of Furnace Material Consumption in EAF Steelmaking Process 459
42 Experimental Study on Water Model of Continuous Smelting Reduction Reactor 468
43 Theoretical Analysis and Experimental Verification of Formation of As-Bearing Rare Earth Inclusions in Steel 481
44 Parameters Affecting the Phosphorus Distribution Between Slag and Liquid Metal in BOF 491
45 Solid-State Reduction Studies for Recovery of Iron from Red Mud 503
46 Precipitation Behavior of B?O? Addition on CaO–Al?O?–Sc?O? Slag System Through in Situ Observation 512
Part VII Preparation of Alloys and Materials 520
47 Effect of Intercritical Heat Treatment on Microstructure and Mechanical Properties of Sn Bearing 33MnCrB5 Steel 521
48 Production of a Cobalt–Nickel–Iron Alloy from Low-Grade Ore 531
49 Combining Discrete Element Method and Artificial Neural Network to Predict the Particle Segregation Behaviors at Bell-Less Top Blast Furnace 540
50 A New Approach for the Production of Li?SiO? Powder 549
51 Preparation of Metallized Pellets from Blast Furnace Dust and Electric Arc Furnace Dust Based on Microwave Impedance Matching 556
52 Flow Field in a Continuous Casting Tundish with a Novel Single-Induction Heater 567
53 Modification of Inclusions by Adding Mg to 16MnCrS5 Gear Steel 580
54 Preparation of Transition Metal Nitrides via Reduction–Nitridation with Ammonia 590
Part VIII Sintering and Pelletizing 599
55 Evaluation of the Liquid Phase Fluidity During Iron Ore Sintering 600
56 Magnetite Carbon-Free Sintering Process Based on Electromagnetic Induction 609
57 A Study of Double Layer Pre-sintering Toward Super-High Bed Height 620
58 Reduction Behavior of In-flight Fine Hematite Ore Particles by CO + H? Mixtures in a High-Temperature Drop Tube Furnace 633
59 Effect of Distributor Structure on the Uniformity of Multiphase System in Fluidized Ironmaking Process 642
60 Prediction of Iron Ore Sinter Strength Using Statistical Technique 652
61 Reducing Carbon and Nitrogen Oxides Emission in Iron Ore Sintering Process by Double-Layer Pre-sintering Technology 659
62 Research on Mechanism of Ring Formation in Grate-Kiln of Titanium-Containing Pellets 671
Part IX Ironmaking and Steelmaking 680
63 Influences of Li?O on the Properties of Ultrahigh-Basicity Mold Fluxes for Continuous Casting of Peritectic Steel 681
64 Optimization of Process Parameters for the Synthesis of Mo?C on an Activated Carbon Matrix 691
65 Effect of Refining Slag Composition on the Cleanliness of 25Cr2Ni4MoV Rotor Steel 701
66 Prediction Model of End-Point Molten Steel Temperature in RH Refining Based on PCA-CBR 716
67 FactSage-Based Design Calculations for the Production of High-Carbon Ferromanganese on Pilot-Scale 731
68 Characterization and Formation Mechanism of Oxide Inclusions in Low-Aluminum Non-oriented Electrical Steels 746
69 Effect of CO? Mix Ratios on Materials and Heat Balances of Bottom-Blowing O?–CaO Converter 752
70 Numerical Simulation and Optimization of Temperature Field in the Baking of RH Vessel 763
Part X Utilization of Complex Ores 773
71 Ni Recovery from Nickeliferous Pyrrhotite Concentrates via a Thermal Concentration Process: Effects of Heat Treatment Time 774
72 Method to Quantify the Effect of Temperature and Rotational Speed on the Decrepitation of South African Manganese Ores in a Rotary Kiln 781
73 Production of High-Carbon Ferrochromium by Carbothermal Reduction of Vanadium Extraction Tailings with High Chromium Content 792
74 Effect of Magnesium Flux on Metallurgical Performance of Pellets 803
75 Study of Properties and Mineralization of Cu–Ni Bearing Industry Sludge 813
76 Utilization of Ground Sinter Feed for Oxidized Pellet Production and Its Effect on Pellet Consolidation and Metallurgical Properties 825
77 Slag-Metal Separation Behaviors of Vanadium Titanomagnetite Metallized Pellets 835
78 Strengthening Sintering of Limonitic Nickel Laterite by Substituting Ferronickel Tailings for Sintering Fluxes 846
Part XI Poster Session 860
79 Effect of Mechanical Carbon Coating on Reduction of Magnetic Ore Powder 861
80 Effect of Plastic-Coal Mixed Carbonization Reducing Agent on Direct Reduction Behavior of Carbon-Bearing Pellets 867
81 Experimental Study of CO? for Vanadium Extraction by Segmented Combined Blowing in Converter 877
82 Gasification Behaviors of Biomass with Vanadium Titanomagnetite as Oxygen Carrier 886
83 Influence of Atmosphere on Melting Behaviour of Synthetic Slags from Ta Recycling 896
84 Influence of Process Parameters on the Metal Quality at Electron Beam Melting of Molybdenum 906
85 Preparing Cuspidine Glass-Ceramics from Iron-Removed Stainless Steel Pickling Sludge 917
86 Pyrolysis of Waste Steel Tailings and Iron Recovery 926
87 Research of Gas–Liquid Multiphase Flow in Oxygen-Enriched Bottom Blowing Copper Smelting Furnace 937
88 Selective Recycling of Cu Alloys from Metal-Rich Particles of Crushed Waste Printed Circuit Boards by High-Temperature Centrifugation 949
89 Super-Gravity Field Enrichment of Silver and Antimony Contained in Pb–Ag–Sb Melts 963
90 Synthesis of Na?(Ni, Fe)(SO?)? Cathode Materials from Nickel Sulfide Concentrate by Combined Pyro- and Hydrometallurgical Processes 974
91 Thermodynamic Analysis of Preparation of Cermet from Zinc Kiln Slag 983
Author Index 993
Subject Index 998