618-3003/03 – Technology of Steelmaking in Converters (TVOvK)

Gurantor departmentDepartment of Metallurgy and FoundryCredits6
Subject guarantordoc. Ing. Markéta Tkadlečková, Ph.D.Subject version guarantordoc. Ing. Markéta Tkadlečková, Ph.D.
Study levelundergraduate or graduateRequirementCompulsory
Year1Semestersummer
Study languageCzech
Year of introduction2019/2020Year of cancellation
Intended for the facultiesFMTIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
STR580 Ing. Michaela Strouhalová, Ph.D.
SAW002 doc. Ing. Markéta Tkadlečková, Ph.D.
WAL0017 Ing. Josef Walek
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 3+2
Part-time Credit and Examination 16+0

Subject aims expressed by acquired skills and competences

To provide students the theoretical basis of steel processes, explain the technological applications of steel in converters, in tandem and SM furnaces and apply knowledge of deoxidation of steel and clean steel technology practice. Acquired knowledge: - student will be able to characterise ... Acquired skills: -student will be able to use his knowledge for ...

Teaching methods

Lectures
Tutorials
Project work
Other activities

Summary

The subject is focused and described how the theoretical bases as well as technological applications oxidation processes occurring during the production of steel by acid or alkaline manner, then the issue of deoxidation and steel cleanliness.

Compulsory literature:

[1] FRUEHAN, R. J., ed. The making, shaping and treating of steel [CD-ROM]. 11th ed. Pittsburgh: AISE Steel Foundation, c1998. ISBN 0-930767-02-0. [2] www.steeluniversity.org [3] GHOSH, A. a A. CHATTERJEE. Ironmaking and steelmaking: theory and practice. New Delhi: PHI Learning, 2011. ISBN 978-81-203-3289-8.

Recommended literature:

[1] Papers in journals and conference proceedings.

Way of continuous check of knowledge in the course of semester

Test.

E-learning

http://katedry.fmmi.vsb.cz/Opory_FMMI/618/618-CD-Technologie-vyroby-oceli-v-konvertorech.pdf

Other requirements

Seminar work including the presentation in pptx.

Prerequisities

Subject codeAbbreviationTitleRequirement
618-3001 TPVŽaO Theory Processes in the Production of Iron and Steel Compulsory

Co-requisities

Subject has no co-requisities.

Subject syllabus:

1. Overview, significance and perspective of steel production. - Historical development of steel production. – Distribution of steel and steel products. 2. Physico-chemical nature of steel making under acidic and alkaline conditions. – Refractories used in steel aggregates. – Production of steel in LD converters. – The characteristics of the converter. 3. Charge, progress of refine processes, oxygen blowing mode. – Steel making lime – physical-chemical properties. – Slag mode during heat. 4. Thermal mode during heat. – Static and dynamic control model of melting in the LD converter. – Processing of pig iron with a high content of phosphorus (processes: OLP, LD-P, PL, KALDO, Rotor). 5. Steelmaking in the bottom blowing converters. – Process OBM (Q-BOP), OXYVIT. – Converter characteristics. 6. Nozzles, the thermal protection of nozzles, blowing media. – Charge. – Refining processes – differences against LD converters. 7. Slag creating and its importance. – Comparison of OBM and LD converter. – Steelmaking in tandem furnaces. 8. Development of tandem furnace and its construction. – Charge and technology of heat control. – Oxygen blowing, heat and slag mode. 9. Advantages and disadvantages of tandem furnaces. – Steelmaking process in SM furnaces. – Historical significance, furnace characteristics, variants of process. 10. Pig iron mixers. – Steel deoxidation, physico-chemical nature and significance of steel deoxidation, overview of methods. – Steel deoxidation and alloying. 11. Clotting deoxidation of steel. – Diffuse deoxidation. – 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 in chemical composition and shape of inclusions depending on the Al content. 14. Inclusions modification. – Coagulation and coalescence and flotation of inclusions in steel.

Conditions for subject completion

Full-time form (validity from: 2019/2020 Summer semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Credit and Examination Credit and Examination 100 (100) 51
        Credit Credit 30  21
        Examination Examination 70  30
Mandatory attendence parzicipation: Max. 2 absence.

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.ZaměřeníFormStudy language Tut. centreYearWSType of duty
2020/2021 (N0715A270003) Metallurgical engineering (S01) Advanced Technologies of Metals Production P Czech Ostrava 1 Compulsory study plan
2020/2021 (N0715A270003) Metallurgical engineering (S01) Advanced Technologies of Metals Production K Czech Ostrava 1 Compulsory study plan
2019/2020 (N0715A270003) Metallurgical engineering (S01) Advanced Technologies of Metals Production P Czech Ostrava 1 Compulsory study plan
2019/2020 (N0715A270003) Metallurgical engineering (S01) Advanced Technologies of Metals Production K Czech Ostrava 1 Compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner