Lectures
1. Overview, importance and perspectives of steelmaking.
- Historical development of steelmaking technologies.
- Classification of steels and steel products.
2. Physical-chemical fundament of steelmaking in alkaline and acid environment.
- Refractories used in steelmaking aggregates.
- Steelmaking in LD converters.
- Characteristics of converter.
3. Charge, development of refining processes, mode of oxygen blowing.
- Lime used for steelmaking - physical and chemical properties.
- Slag mode of heat.
4. Thermal mode of heat.
- Static and dynamic model of control of heat in LD converter.
- Treatment of pig iron with higher content of phosphorus (processes OLP, LD-P, PL, KALDO, Rotor).
5. Steelmaking in bottom blown converters.
- Processes OBM (Q-BOP), OXYVIT.
- Characteristics of converter.
6. Nozzles, thermal protection of nozzles, blown media.
- Charge.
- Refining processes – differences from LD converter.
7. Formation and importance of slag.
- Comparison of OBM and LD converter.
- Steelmaking in tandem furnaces.
8. Development of tandem furnace and its design.
- Charge and technology of control of heat.
- Blowing of oxygen, thermal and slag mode of heat.
9. Advantages and drawbacks of tandem furnaces.
- Steelmaking in SM furnaces.
- Historical importance, characteristics of furnaces, process variants.
10. Pig iron mixers.
- Deoxidation of steel, physical-chemical principle and importance of deoxidation of steel, overview of methods.
- Deoxidation and alloying of steel.
11. Coagulating deoxidation of steel.
- Diffusion deoxidation of steel.
- Deoxidation of steel by synthetic slag.
12. Vacuum carbon deoxidation of steel.
- Non-metallic inclusions in steel, distribution of non-metallic inclusions.
13. Oxidic and sulphidic inclusions, nitrides, carbides.
- Changes of chemical composition and shape of inclusions in dependence on Al content.
14. Modification of inclusions.
- Joining and floating of inclusions from steel.
1. Overview, importance and perspectives of steelmaking.
- Historical development of steelmaking technologies.
- Classification of steels and steel products.
2. Physical-chemical fundament of steelmaking in alkaline and acid environment.
- Refractories used in steelmaking aggregates.
- Steelmaking in LD converters.
- Characteristics of converter.
3. Charge, development of refining processes, mode of oxygen blowing.
- Lime used for steelmaking - physical and chemical properties.
- Slag mode of heat.
4. Thermal mode of heat.
- Static and dynamic model of control of heat in LD converter.
- Treatment of pig iron with higher content of phosphorus (processes OLP, LD-P, PL, KALDO, Rotor).
5. Steelmaking in bottom blown converters.
- Processes OBM (Q-BOP), OXYVIT.
- Characteristics of converter.
6. Nozzles, thermal protection of nozzles, blown media.
- Charge.
- Refining processes – differences from LD converter.
7. Formation and importance of slag.
- Comparison of OBM and LD converter.
- Steelmaking in tandem furnaces.
8. Development of tandem furnace and its design.
- Charge and technology of control of heat.
- Blowing of oxygen, thermal and slag mode of heat.
9. Advantages and drawbacks of tandem furnaces.
- Steelmaking in SM furnaces.
- Historical importance, characteristics of furnaces, process variants.
10. Pig iron mixers.
- Deoxidation of steel, physical-chemical principle and importance of deoxidation of steel, overview of methods.
- Deoxidation and alloying of steel.
11. Coagulating deoxidation of steel.
- Diffusion deoxidation of steel.
- Deoxidation of steel by synthetic slag.
12. Vacuum carbon deoxidation of steel.
- Non-metallic inclusions in steel, distribution of non-metallic inclusions.
13. Oxidic and sulphidic inclusions, nitrides, carbides.
- Changes of chemical composition and shape of inclusions in dependence on Al content.
14. Modification of inclusions.
- Joining and floating of inclusions from steel.