JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Overview

Course objectives:

• To provide the knowledge of Iron making by Blast Furnace, Physio- chemical principles involved in iron making.
• To understand and demonstrate the various types of steel making processes, Hot metal route and scrap route.

Course Outcomes

At the end of this course the student will be able to

• Describe the physical and chemical processes that take place during iron making and steelmaking
• Analyses the effect of change in process parameters in iron making and steelmaking processes
• Describe the methods for control of quality in iron and steel production

UNIT - I

Principles of Iron making, Raw materials for Iron making, Preparation of iron ores; Agglomeration of Iron ore fines: Sintering and Pelletisation, Principles, Factors affecting sintering, sintering bonds; Theory of Pelletisation, Water-particles system. Production of green pellets, Induration of pellets.

UNIT - II

Iron making through blast furnace route, Blast Furnace profile and its design, refractory lining, blast furnace cooling system, raw materials handling and charging, burden distribution. Construction and operation of Hot blast Stoves. Gas cleaning system and its utilization

UNIT - III

Physical chemistry of Iron making, Blast furnace reactions, Physical and chemical factors affecting reduction of ores; Effect of temperature, CO/CO2 and H2/H2O on reduction of iron ore. Control of C, Si, S, P in pig iron. Blast furnace Slags and its properties. Blast furnace operations and difficulties, modern trends in blast furnace.

UNIT - IV

Classification and raw materials of steel making. Principles of Steel making, Removal of Carbon, Silicon, Manganese, phosphorous and sulphur. Role of slag, types and properties of slags. Principles and types of deoxidation:

UNIT - V

Steel making by Bessemer, Open Hearth and Electric arc furnace Processes. Basic oxygen steel making: LD, LDAC, Kaldo, and Rotor oxygen steel making. Hybrid process of steel making LD-KG, CLU, MRP. Ingot casting (Conventional casting).

TEXT BOOKS:

• 1. A first course in iron and steel making, Dipak Mazumdar, Orient Blackswan Pvt. Ltd., (2015)
• 2. Iron making and steelmaking: Theory and Practice, Ghosh Ahindra, Chatterjee Amit, Phi Learning Private Limited, (2001)

REFERENCE Books:

• 1. Extractive Metallurgy 2: Metallurgical Reaction Processes, Alain Vignes (ISTE Ltd.,)
• 2. Extractive Metallurgy 3: Processing Operations and Routes, Alain Vignes (ISTE Ltd.,)
• 3. An introduction to modern steel making, R. H. Tupkary, Khanna Publishers (2000)
• 4. An introduction to modern iron making, R. H. Tupkary, Khanna Publishers (2004) R18 B.TECH MME