1. 1 development history of blast furnace ironmaking industry
1. 1 Brief history of ironmaking technology development
1. 1.2 development of ironmaking industry in China
1.2 blast furnace ironmaking production process
1.3 blast furnace ironmaking products
1.3. 1 pig iron
1.3.2 slag
1.3.3 gas
1.3.4 furnace ash
1.4 main technical and economic indexes of blast furnace ironmaking production
refer to
Chapter II Raw Materials and Fuel for Blast Furnace Ironmaking
2. 1 iron ore
2. 1. 1 Classification and main characteristics of iron ore
2. 1.2 iron ore requirements
2.2 Flux
2.2. 1 flux in blast furnace ironmaking
2.2.2 flux quality requirements
Lime production technology
2.3 Other iron-containing alternatives
2.3. 1 Manganese ore for blast furnace ironmaking
chromite
2.3.3 Other iron-containing raw materials
2.4 Fuel
2.4. 1 fuel and its types
Coking of coal
refer to
Chapter 3 Iron ore powder blocking
3. 1 sintering theory of iron ore powder
3. 1. 1 Changes of the material layer during sintering.
3. 1.2 Fuel combustion and heat exchange
3. 1.3 Evaporation and condensation of water
3. 1.4 chemical reaction in sintering process
3. 1.5 solid phase reaction and liquid phase formation
3. 1.6 cooling, curing and sintering.
3.2 Sintering production process and equipment
3.2. 1 Preparation of sintering raw materials
Blending and mixing
3.2.3 Sintering production
Product handling
3.2.5 Waste heat utilization in sintering plant
3.3 Basic theory of pellet production technology
3.3. 1 balling theory
3.3.2 Particle binder-bentonite
3.3.3 Roasting mechanism of green pellets
3.4 Pellet Production Process
3.4. 1 reasons for the rapid development of pellet production
3.4.2 Pellet production method and process flow
3.4.3 Shaft furnace pelletizing production process
Belt roaster
3.4.5 Grate machine? Rotary kiln system
3.5 Quality inspection of finished ore
3.5. 1 sinter quality inspection
3.5.2 Quality inspection of green balls and small balls
refer to
Chapter IV Principle of Blast Furnace Smelting
4. 1 Physical and chemical changes of burden in furnace
4. 1. 1 blast furnace conditions
4. 1.2 evaporation and decomposition of water
4. 1.3 Volatile volatilization
4. 1.4 Decomposition of carbonate
4. 1.5 gasification reaction
4. 1.6 carbon evolution reaction
4.2 Reduction process in blast furnace
4.2. 1 concept of reduction reaction
4.2.2 Reduction of Iron Oxide in Blast Furnace
4.2.3 Reduction of Nonferrous Metal Elements in Blast Furnace
4.2.4 Formation of pig iron and carburizing process
4.3 Blast Furnace Slagging and Desulfurization
4.3. 1 Source and composition of blast furnace slag
Slag basicity
Slagging process
4.3.4 Desulfurization of Pig Iron
4.4 Fuel combustion process in blast furnace
4.4. 1 fuel combustion
4.4.2 Rotating Zone and Combustion Zone
4.5 Movement of burden and gas in blast furnace
4.5. 1 charging movement
Gas movement
refer to
Chapter V Blast Furnace Structure and Maintenance
5. 1 blast furnace type
5. 1. 1 blast furnace type development
5. 1.2 Representation method of blast furnace type
5. 1.3 Relationship between blast furnace size and blast furnace smelting
5. 1.4 burden line and volume of blast furnace
5. 1.5 Blast furnace body structure
5.2 lining structure of blast furnace
5.2. 1 Reasons for damage of blast furnace lining
5.2.2 Requirements for Refractory Materials of Blast Furnace
5.2.3 Common Refractory Materials for Blast Furnace
5.2.4 The lining structure of blast furnace and the use of refractory materials
5.3 Structure of cooling equipment for blast furnace body
5.3. 1 cooling purpose of blast furnace
5.3.2 Selection and treatment of cooling medium
5.3.3 Cooling equipment for each part of blast furnace
5.3.4 Blast furnace cooling water system
5.4 furnace body maintenance
5.4. 1 Importance of furnace maintenance
5.4.2 Blast furnace maintenance measures
5.4.3 Operation and Maintenance of Blast Furnace in Late Service Period
refer to
Chapter VI Basic Operating System of Blast Furnace Smelting
6. 1 air supply system
6. 1. 1 Select the appropriate explosive kinetic energy.
6. 1.2 Select a reasonable theoretical combustion temperature.
6. 1.3 Adjustment of gas supply system
6.2 Thermal system
Thermal system selection
6.2.2 Main factors affecting the thermal system
6.3 Slag discharge system
6.3. 1 Influence of slagging process on blast furnace smelting
6.3.2 Requirements of blast furnace smelting on slag performance
6.4 charging system
6.4. 1 Loading sequence and method
6.4.2 Factors affecting burden distribution
6.4.3 Adjustment of charging system
refer to
Chapter VII Blast Furnace Raw Material System
7. 1 Supply of raw materials
7. 1. 1 Storage and mixing of raw materials
7. 1.2 ore storage tank
7. 1.3 Feeding under the trough
7. 1.4 skip pit
7.2 Feeding system
7.2. 1 inclined bridge trolley feeder
7.2.2 Feeding system of belt conveyor
7.3 Loading equipment
7.3. 1 bell top charging equipment
Bell valve top
Bell-less furnace project
7.3.4 Pressure equalization control device
7.3.5 Material detection device
refer to
Chapter VIII Operation Technology of Blast Furnace Hot Stove
8. 1 Structure and main equipment of hot blast stove
8. 1. 1 internal combustion hot blast stove
8. 1.2 improved hot blast stove
8. 1.3 external combustion hot blast stove
8. 1.4 Top-fired hot blast stove
8. 1.5 ball hot blast stove
8.2 Refractory materials for hot blast stoves
8.2. 1 Damage mechanism of hot blast stove masonry
8.2.2 Main characteristics of refractories for hot blast stoves
8.3 Fuel and combustion calculation of hot blast stove
8.3. 1 hot blast stove fuel
combustion calculation
8.4 Operation of hot blast stove
8.4. 1 combustion system of hot blast stove
8.4.2 Air supply system of hot blast stove
8.4.3 Hot blast stove replacement and damping down operation
8.5 Measures to Improve Air Temperature
refer to
Chapter 9 Operation Technology of Blast Furnace Forehearth
9. 1 Operation platform in front of furnace
9. 1. 1 tuyere platform
9. 1.2 tapestry
9.2 Tapping Equipment and Iron Trench
9.2. 1 tapping machine
Clay gun
Furnace crane
9.2.4 Iron ditch and slag ditch
Iron water treatment equipment
9.3 Blast furnace front operation index
Determination of knocking times
9.3.2 Operation indexes before furnace
9.4 Tapping operation
9.4. 1 taphole structure and maintenance
9.4.2 Iron tapping operation
9.4.3 Method of opening taphole
9.4.4 Iron tapping accident and its treatment
9.5 Operation of oil skimmer
Structure of skimmer
9.5.2 Operation of skimmer and matters needing attention
9.5.3 Oil skimmer accident and its treatment
9.6 Slag discharge operation
9.6. 1 slag discharge operation
9.6.2 Slag hole accident and its treatment
9.6.3 Operation of changing slag port
9.7 Air supply pipes and tuyeres
9.7. 1 gas supply pipeline
9.7.2 tuyere replacement operation
9.8 Refractory materials used in front of the furnace
9.8. 1 Requirements for common refractory mud in front of furnace
block up
Trench material
refer to
Chapter 10 Judgment and Adjustment of Blast Furnace Condition
10. 1 blast furnace condition judgment
Direct observation 10. 1. 1 blast furnace condition
Indirect judgment of blast furnace condition 10. 1.2
10. 1.3 comprehensive judgment of furnace conditions
10.2 abnormal smelting process of blast furnace and its treatment
10.2. 1 normal and abnormal furnace conditions
10.2.2 Harm and treatment of abnormal furnace conditions
10.3 blast furnace accident treatment
10.3. 1 furnace slag.
10.3.2 furnace burning out
10.3.3 tuyere slag pouring
10.4 Blast Furnace Opening, Shutdown and Sealing Operation
10.4. 1 furnace opening
10.4.2 blast furnace shutdown
10.4.3 furnace sealing
10.4.4 humidifying air supply for blast furnace
refer to
Chapter 1 1 Blast furnace injection operation technology
1 1. 1 solid fuel injection
1 1. 1 chemical composition and physical and chemical properties of coal
1 1. 1.2 raw coal and gas supply system
1 1. 1.3 pulverized coal preparation system
1 1. 1.4 pulverized coal injection system
1 1. 1.5 coal injection metering control and safety
1 1.2 liquid fuel injection
1 1.2. 1 properties of heavy oil
1 1.2.2 injection technology and equipment
1 1.2.3 heavy oil combustion and its strengthening
refer to
Chapter 12 Intensified smelting of blast furnace
12. 1 high pressure operation
12. 1. 1 smelting characteristics of high pressure operation
12. 1.2 high pressure effect
12. 1.3 precautions for high-pressure operation
12.2 high temperature
12.2. 1 Influence of increasing blast temperature on smelting
12.2.2 Effect of raising temperature
12.2.3 methods to increase the temperature
12.3 oxygen-enriched blast
12.3. 1 characteristics of oxygen-enriched blast furnace smelting
12.3.2 influence of oxygen-enriched blast on blast furnace smelting
12.3.3 oxygen-enriched blast smelting operation
12.4 fuel injection
12.4. 1 characteristics of coal injection smelting in blast furnace
12.4.2 influence of fuel injection
Influence of fuel injection on blast furnace smelting
12.5 oxygen-enriched coal injection
12.5. 1 characteristics of oxygen-enriched coal injection
12.5.2 characteristics of oxygen-enriched coal injection smelting
12.6 humidification and dehumidification blast
12.6. 1 humidification blower
12.6.2 dehumidification blast
12.7 concentrate
12.8 smelting low silicon pig iron
refer to
Chapter 13 Comprehensive Calculation of Blast Furnace Ironmaking
13. 1 original data
13.2 blast furnace burden calculation
13.3 material balance calculation
13.4 heat balance calculation
13.4. 1 heat income q income
13.4.2 heat expenditure q branch
Calculation of 13.5 focal ratio and related indexes
The calculated direct reduction degree is 13.5. 1
13.5.2 calculation of carbon monoxide and hydrogen utilization rate
13.5.3 Calculation of focal length ratio
refer to
Chapter 14 ironmaking environmental protection
14. 1 Pollution sources in ironmaking production
14. 1. 1 waste gas source in ironmaking process
14. 1.2 ironmaking wastewater source
14. 1.3 blast furnace slag
14.2 dust control
14.2. 1 blast furnace gas dust removal
14.2.2 blast furnace taphole dust removal
14.2.3 other dusty waste gas treatment
14.3 wastewater treatment
14.3. 1 iron-making wastewater water circulation system
14.3.2 treatment technology of blast furnace gas washing wastewater
14.3.3 general process of blast furnace gas washing water treatment
14.4 slag treatment
14.4. 1 Summary of blast furnace slag treatment methods
14.4.2 Several blast furnace slag treatment processes
14.4.3 utilization of blast furnace slag
refer to