Syllabus

Outline of Blast furnace Design.
Overview of charging of raw materials and study of different process parameters (High top pressure, Humidified & Oxygen enriched blast, Auxiliary fuel injection) in blast furnace.
Properties and characterization of raw materials used in blast furnace Iron making: Iron ore, Limestone, Coke and Agglomerates.
Reactions involved in blast furnace iron making with thermodynamic consideration: Reactions in stack, bosh and hearth, formation of primary slag, bosh slag, and hearth slag. Slag composition and its control, Metal-slag reactions, Control of hot metal composition.
Principles of steel making reactions, Viz. Decarburisation, dephosphorisation, desulphurisation, silicon and managanese reaction.
LD Process: Design of converter & lance, Quality of raw materials charged, Operation of the converter and control of bath and slag composition, Chemical reactions involved, Temperature and residual bath oxygen control, Some characteristics of L.D. blow Viz: emulsion formation, Slopping, Management of lance height for dephosphorization and decarburization.
Electric Arc Furnace: Advantages Charging, Melting, and refining practices for plain carbon and alloy steels, developments in electric arc furnace operations.
OBM/Q-BOP, Mixed/Combined blowing Process.
Casting of Steel: Ingot casting, Continuous casting, and Developments in technologies to improve productivity.

To study various Ironmaking routes and strategies to improve productivity.

To study physicochemical concepts involved in Ironmaking.

To study the various liquid steel processing technologies and physicochemical concepts.

To study the solidification of liquid steel.

CO1. Comprehension of various Iron Making operations.
CO2. Comprehension of quality and properties of raw materials and final output product of Iron Making
CO3. Understanding of physicochemical and thermodynamics concepts of Iron Making.
CO4. Conception of the thermodynamics involved in Steel Making.
CO5. Design and Operation of liquid steel processing technologies.
CO6. Concepts of liquid steel solidification.

A. K. Biswas, Principles of Blast Furnace Iron Making, SBA publication , Calcutta, 1999

A. K. Chakrabarti, Steel Making, PHI Learning , 2006

Ian Cameron, Mitren Sukhram, Kyle Lefebvre, William Davenport, Blast Furnace Ironmaking Analysis, Control, and Optimization, Elsevier Science , 2019

R. J. Fruehan (ed.), The Making, Shaping and Treating of Steel (Steel Making Volume), The AISE Steel Foundation , 2004

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