618-0807/02 – Steelmaking and Alloys Production Technology (TeVyOS)
| Gurantor department | Department of Metallurgy and Foundry | Credits | 6 |
| Subject guarantor | prof. Ing. Zdeněk Adolf, CSc. | Subject version guarantor | prof. Ing. Zdeněk Adolf, CSc. |
| Study level | undergraduate or graduate | Requirement | Compulsory |
| Year | 2 | Semester | winter |
| | Study language | Czech |
| Year of introduction | 2004/2005 | Year of cancellation | 2015/2016 |
| Intended for the faculties | FMT | Intended for study types | Follow-up Master |
Subject aims expressed by acquired skills and competences
- student will be able to describe theoretical substance of steelmaking
- student will be able to explain technological application at steelmaking
- student will be able to use knowledge about steel deoxidation and cleanness
Teaching methods
Lectures
Seminars
Individual consultations
Tutorials
Project work
Other activities
Summary
Subject is read with the aim to explain both theoretical principle and also
technological applications of oxidising processes proceeding at steel
production by basic as well as acid method, further problems of steel
deoxidisation and steel cleanness.
Compulsory literature:
[1] Fruehan, R. J.: The Making, Shaping and Treating of Steel, Pittsbourgh, USA, 759 p. ISBN: 0-930767-02-0.
Recommended literature:
[1] Fruehan, R. J.: The Making, Shaping and Treating of Steel, Pittsbourgh, USA, 759 p. ISBN: 0-930767-02-0.
Articles in professional journals, papers of conferences, research reports, theses.
Way of continuous check of knowledge in the course of semester
Scoring semestral work.
E-learning
Lessons are continuously enriched by ever expanding implementation of e-learning elements.
Other requirements
It is necessary to elaborate a semestral project for the credit obtaining.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
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.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction