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Theory Processes in the Production of Iron and Steel

Type of study Follow-up Master
Language of instruction Czech
Code 652-3301/01
Abbreviation TPVŽaO
Course title Theory Processes in the Production of Iron and Steel
Credits 6
Coordinating department Department of Metallurgical Technologies
Course coordinator doc. Ing. Pavlína Pustějovská, Ph.D.

Subject syllabus

1. Blast furnace charge, iron ore, types and properties of the charge, sintering and pelletizing of iron ore, the cokemaking.
2. Thermodynamics and kinetics of processes and oxidative processes in the areas of blast furnace, the theoretical combustion temperature and composition hearth gas, spare fuel injection.
3. Countercurrent feedstock and gas in the blast furnace, gas flow patterns of a granular layer, the heat exchange in the blast furnace.
4. Reduction of iron oxide with carbon, direct and indirect reduction, the share of direct influence on the reduction of specific consumption of carbon
5. The reduction of iron oxide by hydrogen reduction of other elements, the dissociation reaction in the blast furnace, pig iron carburization.
6. Blast furnace products: pig iron, top gas, slag. Blast furnace slag formation, properties and functions of blast furnace slag, desulphurisation of pig iron.
7. Types of produced raw irons, quality pig iron, theoretical foundation of iron outside the blast furnace, the direct production of iron ore (DRI ) smelting reduction.
8. The basic energy function. Criteria equilibrium processes (G, K). Balance. The equilibrium constant and ways of expression. The principle of action and reaction.
9. The reaction isotherm and its importance. The ideal solution - Raoult's law. Diluted solution - Henry's law.
10. The thermodynamic activity of the constituents in solution. Modes of expression activity component in the solution. Calculation of activities in multicomponent systems.
11. The molten steel slag - slag molecular theory. Ion theory slags.
12. Nernst distribution law. Distribution of oxygen between the slag and metal. The reaction occurring in the production and refining of steel: the oxidation of Si and Mn, the transfer of oxygen from the atmosphere into the steel bath.
13. Dephosphorization steel. Desulfurization of steel. Gases in iron melts. Dependence on the partial gas pressure and temperature.
14. Hydrogen in iron and steel. Nitrogen in iron and steel. The oxygen in the iron and steel. Carbon reaction and its importance in the production and refining of steel. Influence of temperature and pressure waveform carbon reaction.

Literature

[1] GEERDES, M. et al. Modern Blast Furnace Ironmaking. IOS PRESS, 2015. ISBN 978-1-61499-498-5.
[2] CHAKRABARTI, A.K. Steel Making. PHI Learning Pvt. Ltd., 2006, ISBN 978-81-203-3050-4.
[3] GHOS, A. and A. CHATTERJEE. Ironmaking and steelmaking: theory and practice. New Delhi: PHI Learning, 2011. ISBN 978-81-203-3289-8.
[4] BABICH, A., et al. Ironmaking. Aachen: RWTH Aachen University Press, 2008. ISBN 3-86130-997-1.

Advised literature

[1] MAZUMDAR, D. and J. W. EVANS. Modeling of steelmaking processes. Boca Raton: CRC Press, 2010. ISBN 978-1-4200-6243-4.
[2] CAVALIERE, P. et al. Ironmaking and Steelmaking Processes. Greenhouse Emissions, Control, and Reduction.1st ed. Springer, 2016. ISBN 978-3-319-39527-2.
[3] TUPKARY, R. H. and V. R. TUPKARY. Modern Iron Making Handbook. Stylus Publishing, LLC, 2017. ISBN 9781683921370 .