Course Details
Subject {L-T-P / C} : CR6432 : Advanced Refractories { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Ritwik Sarkar
Syllabus
Raw materials, preparation, properties, special additives and bonding systems, advantages (also disadvantages), importance and applications of some special refractories like mullite (with phase diagram), spinel (with phase diagram), carbon, zircon, zirconia, fused cast, insulating, ceramic fiber, silicon carbide.
Ceramic cup in blast furnace – role and function, advantages, compositions. Tap hole clay – function, raw materials & their function, composition, mushroom formation, properties, details of application. Trough castable – raw materials & their functions, properties, development of trough refractory.
Slag arrestor dart cone – role & function, composition, working procedure, advantages. Tap hole sleeve – role, composition, advantages. Slide gate refractory - raw materials, composition, function & requirements, working environment, properties, working mechanism, wear out, ZrO2 inserts, etc. Porous plug – types, raw materials, functions, advantages, top and bottom purging, details of different porous plugs.
Continuous casting refractories – properties and functions. Monoblock stopper (MBS) – function, different parts, compositions and role of different portion, failure. Ladle shroud – role, different portions, their functions and composition, failure. Sub entry nozzle (SEN) – advantages & role, different zones and their function, compositions, failure.
Course Objectives
- To learn in details on Advanced Refractories
Course Outcomes
Knowledge on Advanced Refractories
Essential Reading
- R Sarkar,, Refractory Technology: Fundamentals and Application,, CRC Press, 2016.
- J. H. Chesters,, Refractories- Production and Properties,, The Iron and Steel Institute, London, 1973.
Supplementary Reading
- P. P. Budnikov,, The Technology of Ceramics and Refractories,, Translated by Scripta Technica, Edward Arnold, The MIT Press, 4th Ed, 2003.
- C. A. Schacht,, Refractory Linings: Thermo-mechanical Design and Applications,, CRC Press, 1995.
Journal and Conferences
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