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Terminated in academic year 2015/2016

Theory and Technology of Ironmaking and Steelmaking

Type of study Follow-up Master
Language of instruction Czech
Code 618-0805/02
Abbreviation TeTVŽO
Course title Theory and Technology of Ironmaking and Steelmaking
Credits 6
Coordinating department Department of Metallurgy and Foundry
Course coordinator prof. Ing. Jiří Bažan, CSc.

Subject syllabus

Lectures:
1) Properties of ores, sinter, pellets, coke, alkaline admixtures and methods of their determination. Theoretical basis of physical-chemical processes at sintering and pelletisation.
2) Charging of blast furnace (BF), distribution of charge on blast furnace top. Normal, external and internal furnace operation.
3) Physical and chemical processes in BF. Thermo-dynamic, kinetic and thermal processes in oxidation zone of BF. Reduction of iron oxides in BF.
4) BF slag. BF blast. Enrichment of blast by oxygen and moistening of blast.
5) Technology of injection of added media.
6) Torpedo ladles.
7) Affinity of elements to oxygen. Distribution of oxygen between slag and metal. Steelmaking slags.
8) Theory of reactions running at steelmaking and steel refining: Oxidation of Si and Mn, transfer of oxygen from atmosphere into hot metal. Dephosphorisation of steel. Desulphurisation of steel. Carbon reaction.
9) Steelmaking in basic oxygen furnaces (BOF) - LD converter, OBM converter. Steelmaking in tandem, electric and SM furnaces.
10) Theoretical basis of steel deoxidation. Methods of deoxidation. Cleanness of steel.
11) Main procedures of steel treatment by secondary metallurgy and their effects.
12) Casting of steel into ingot moulds. Top pouring and bottom pouring. Crystallisation and solidification of steel, segregation.
13) Continuous casting of steel, classification, advantages, disadvantages, economics. Design of continuous casting machine (CCM).
14) Tundish metallurgy. New directions in casting of thin blanks.

E-learning

For electronic communication with tutors use their university e-mail addresses, which can be found here: http://staff.vsb.cz/.

Literature

[1] Biswas, A.K.: Principles of blast furnace ironmaking, Australia, Brisbane.
1981, 527 p.
[2] Fruehan, R. J.: The Making, Shaping and Treating of Steel, AISE Steel Foundation, 1998, 767 p. ISBN 0-930767-02-0.

Advised literature

[1] Ghosh, A., Chatterjee, A.: Ironmaking and Steelmaking: Theory And Practice, Eastern Economy Edition, 2008, 472 p. ISBN 978-81-203-3289-8.