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Practical iron ore beneficiation manual

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Practical Iron Ore Dressing Manual Published: 2016
Introduction The Practical Iron Ore Beneficiation Manual focuses on common iron minerals, the main types of iron ore industry in China, the production and demand of iron ore in China, and the quality of concentrates of magnetite, hematite and siderite. Standards, crushing and screening of iron ore and classification of grinding ore, magnetite, hematite, limonite, siderite, polymetallic complex iron ore, lean iron ore, high phosphate iron ore Beneficiation process and practice, collectors, inhibitors, activators, dispersants and organic polymer flocculants commonly used in iron ore flotation, iron ore crushing, screening, grinding, classification, magnetic separation, heavy Beneficiation, flotation, roasting, electric separation, concentration and slurry conveying equipment, detection methods and automatic control methods of iron ore beneficiation process, preparation methods of pellets and iron concentrates, treatment of iron ore tailings, dam construction, Enrichment and comprehensive utilization methods. This book is suitable for front-line production workers to better master the key technologies related to iron ore beneficiation, and it is easy to quickly find the actual operation method through the reference method to solve the problems in production; the new technology and new equipment in the book are convenient for Iron ore dressing technology workers broaden new ideas. This book is also suitable for teachers and students of colleges and universities as a reference book.

Chapter 1 Iron Minerals and Iron Ore 1
1.1 Iron minerals 1
1.1.1 Magnetite 1
1.1.2 Hematite (Mirror Iron) 2
1.1.3 Siderite 3
1.1.4 Iron hydroxides (goethite, wurtzite and limonite) 4
1.1.5 Ilmenite 6
1.1.6 Ferrous Silicate Minerals 7
1.2 China's Iron Ore Industry Types 7
1.2.1 Anshan-style iron ore 7
1.2.2 Jingtieshan-type Iron Ore 8
1.2.3 Daxigou Iron Ore 9
1.2.4 Panzhihua Fancy Iron Ore 9
1.2.5 Daye Iron Ore 10
1.2.6 Ningwu Iron Ore 10
1.2.7 Xuanlong-Ningxiang Iron Ore 11
1.2.8 Weathered Leaching Iron Ore 11
1.2.9 Baotou Baiyun Orbo Iron Mine 11
1.2.10 Hainan Shilu Iron Mine 12
1.2.11 Jilin Antelope Stone Iron Ore 14
Chapter 2 Iron Concentrate Quality Standards 15
2.1 High-quality iron concentrate quality evaluation system 15
2.1.1 Evaluation of Iron Concentrate Quality Standards 15
2.1.2 Establishment of Reasonable Iron Concentrate Grades 15
2.2 Quality Standards for Magnet Concentrates 16
2.3 Hematite concentrate quality standards 17
2.4 Quality Standards for Polymetallic Symbiotic Iron Concentrates 18
2.5 Quality Standards for Iron Concentration and Recovery of Nonferrous Metals
Chapter 3 Iron Ore Beneficiation Process and Practice 20
3.1 Progress in China's iron ore beneficiation technology and process 20
3.1.1 Grinding and Grinding Technology 20
3.1.2 Magnetic separation technology and process 23
3.1.3 Flotation Technology and Process 26
3.1.4 Reselection Technology and Process 27
3.1.5 Magnetization roasting technology and process 29
3.1.6 Combined Process 30
3.1.7 Product Handling 31
3.1.8 Transformation of Iron Ore Beneficiation Process 33
3.2 Magnetite beneficiation process 37
3.2.1 Advances in Magnetite Ore Dressing Processes 37
3.2.2 Typical process flow and production practice 38
3.2.3 Micro-embedded magnetite beneficiation technology and practice 55
3.3 Hematite beneficiation process 61
3.3.1 Advances in Hematite Ore Dressing Processes 61
3.3.2 Typical process flow and production practice
3.3.3 Beneficiation technology and practice of micro-embedded hematite 67
3.3.4 Progress in Oreous Hematite Beneficiation Technology and Processes 75
3.4 Limonite beneficiation process 100
3.4.1 Advances in limonite ore dressing process 100
3.4.2 Typical Process Flows and Practices
3.5 Siderite Ore Dressing Process 123
3.5.1 Advances in siderite ore beneficiation process
3.5.2 Typical Process Flows and Practices
3.6 Multimetal Symbiotic Compound Iron Ore Beneficiation Process 139
3.6.1 Advances in polymetallic symbiotic composite iron ore dressing process
3.6.2 Typical Process Flows and Practices
3.7 Ultra-lean iron ore beneficiation process 177
3.7.1 Advances in Ultra Lean Iron Ore Processes
3.7.2 Typical Process Flows and Practices
3.8 High Phosphorus Iron Ore Dressing Process 184
3.8.1 Progress of High Phosphorus Iron Ore Beneficiation Process
3.8.2 Typical Process Flows and Practices
Chapter 4 Iron Ore Flotation Reagent 215
4.1 Classification and Progress of Mineral Processing Agents 215
4.2 Collector
4.2.1 Cationic collector 217
4.2.2 Anion collector
4.3 Inhibitors
4.3.1 Starch 242
4.3.2 Lignins
4.3.3 DNF and JE Inhibitors
4.4 Activators
4.4.1 Common Activators
4.4.2 Application test of MHH-1 activator 247
4.5 Organic Polymer Flocculants 249
4.5.1 Organic Polymer Flocculants 249
4.5.2 Mechanism of flocculation
4.5.3 Sulfonated Polyacrylamide 250
4.5.4 Humates
Chapter 5 Iron Ore Dressing Equipment 251
5.1 Crushing equipment
5.1.1 Progress of Iron Ore Crushing Equipment 251
5.1.2 Jaw Crusher 252
5.1.3 Gyratory crusher 260
5.1.4 Cone Crusher
5.1.5 High-pressure roller mill 272
5.1.6 Impact crusher 277
5.1.7 Roller Crusher
5.1.8 Column Mill 288
5.1.9 Vertical Centrifugal Mill
5.2 Screening Equipment
5.2.1 Progress of Iron Ore Screening Equipment
5.2.2 Shaker
5.3 Grinding Equipment
5.3.1 Progress and Types of Iron Ore Milling Equipment 299
5.3.2 Ball mill 301
5.3.3 Rod Mills
5.3.4 Self-grinding and semi-self-grinding machines 305
5.3.5 Gravel mill 307
5.3.6 Vertical (Tower) Mill 308
5.3.7 Vibration Mill 310
5.3.8 Mixing Mill 311
5.4 Grading Equipment
5.4.1 Progress of Iron Ore Grading Equipment
5.4.2 Spiral Classifiers
5.4.3 Hydrocyclone 316
5.4.4 Inclined narrow flow classifier 320
5.4.5 High Frequency Fine Sieve 320
5.4.6 Duplex fluidization classifier 324
5.5 Magnetic Separation Equipment
5.5.1 Progress in Iron Ore Magnetic Separation Equipment 326
5.5.2 Classification of Magnetic Separator
5.5.3 Magnetic separator with weak magnetic field 328
5.5.4 Medium magnetic separator 337
5.5.5 High Magnetic Field Magnetic Separator 338
5.5.6 Superconducting Magnetic Separator
5.5.7 Magnetic Weight Combined Magnetic Separator 348
5.5.8 Tailings Recovery Machine 359
5.5.9 Pre-magnet 360
5.5.10 Demagnetizer 361
5.5.11 Iron remover 365
5.6 Reselecting Equipment
5.6.1 Progress of Iron Ore Reselection Equipment 366
5.6.2 Jig 367
5.6.3 Spiral Chute (Concentrator) 370
5.6.4 Shaker 372
5.6.5 Centrifugal Concentrator
5.7 Flotation equipment
5.7.1 Progress in Iron Ore Flotation Equipment
5.7.2 BF-T Flotation Cell 378
5.7.3 Flotation Columns
5.7.4 Magnetic Flotation Cell 381
5.7.5 Swirl Static Microbubble Magnetic Flotation 382
5.7.6 Cyclone flotation machine 383
5.8 Roasting equipment
5.8.1 Progress in Iron Ore Roasting Equipment
5.8.2 Shaft Furnace
5.8.3 Rotary Kiln
5.8.4 Tunnel Kilns
5.8.5 Flash Magnetization Roaster 390
5.8.6 Suspension Magnetization Roasters
5.8.7 Horizontal Move-Fixed Bed Type Magnetization Roaster
5.9 Electrical Selection Equipment
5.9.1 Progress of Iron Ore Electric Separation Equipment 393
5.9.2 Features and Application Examples of Electrical Separator
5.10 Concentrators
5.10.1 Progress in Iron Ore Concentration Equipment
5.10.2 Thickener 395
5.10.3 Filter 404
5.11 Slurry Conveying Equipment
5.11.1 Progress of Slurry Conveying Equipment
5.11.2 Centrifugal Pumps
5.11.3 Positive Displacement Pump 419
Chapter 6 Iron Ore Dressing Automation 423
6.1 Detection methods of iron ore beneficiation process
6.1.1 Detecting method for ore supply
6.1.2 Method for detecting pulp flow 430
6.1.3 Detection method of pulp concentration
6.1.4 Detection method of pulp particle size 438
6.1.5 Grade detection methods 441
6.1.6 Moisture detection methods 443
6.1.7 Level Detection Methods
6.1.8 Mill load detection method 448
6.1.9 pH detection methods 451
6.1.10 Detection method of flotation froth condition 452
6.2 Automatic control method of iron ore beneficiation process 454
6.2.1 Crushing and screening process control methods
6.2.2 Grinding classification operation control method 457
6.2.3 Control method of magnetic (re) selection operation 464
6.2.4 Flotation Operation Control Methods
6.2.5 Control Methods for Flotation Column Operations
6.2.6 Control methods for concentration operations
6.2.7 Filtering Job Control Methods
6.2.8 Concentrate and tailings transportation control methods 475
6.2.9 Automatic control method of water circulation system 477
6.3 Example of Automatic Control of Iron Ore Concentrator 479
6.3.1 Canadian Iron Ore Company Carol Concentrator Production System Automatic Control 479
6.3.2 Automatic Control of Production System of Jianshan Iron Ore Concentrator 484
Chapter 7 Deep Processing of Iron Concentrates 487
7.1 Preparation of pellets
7.1.1 Requirements for the quality index of iron ore concentrate for pellets 487
7.1.2 Preparation method of pellets in China 488
7.1.3 Examples of Pellet Ore Production in China 502
7.2 Preparation method of ultra-pure iron concentrate 505
7.2.1 Quality Standards for Ultra-Pure Iron Concentrates 505
7.2.2 Preparation method of ultra-pure iron concentrate 506
Chapter 8 Iron Ore Tailings Treatment and Comprehensive Utilization 507
8.1 Treatment of Iron Ore Tailings 507
8.1.1 Treatment methods for iron ore tailings 507
8.1.2 Iron ore tailings dam method 510
8.1.3 Tailings Reservoir Security 518
8.1.4 Tailings Depot Management 525
8.1.5 Tailings Concentration Technology
8.1.6 Tailings Conveying Technology 535
8.1.7 Tailings Wastewater Treatment and Reuse 537
8.2 Comprehensive Utilization of Iron Ore Tailings
8.2.1 Types of Tailings
8.2.2 Recovery technology of valuable elements in iron ore tailings 540
8.2.3 Progress in Comprehensive Utilization of Iron Ore Tailings 543
Reference 550

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