National Institute of Technology Rourkela

राष्ट्रीय प्रौद्योगिकी संस्थान राउरकेला

ଜାତୀୟ ପ୍ରଯୁକ୍ତି ପ୍ରତିଷ୍ଠାନ ରାଉରକେଲା

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Syllabus

Course Details

Subject {L-T-P / C} : CR6432 : Advanced Refractories { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Ritwik Sarkar

Syllabus

Module 1 :

Module 1: Synthetic and advanced grade of raw materials: 10 Hours

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.

Module 2: Advanced refractories associated with iron making: 8 Hours
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.


Module 3: Advanced refractories associated with steel making: 10 Hours
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.


Module 4: Advanced refractories associated with continuous casting : 8 Hours
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 Objective

1 .

To gain in-depth knowledge on various advanced and special refractory raw materials.

2 .

To know about the different advanced refractories

3 .

To understand the importance, manufacturing techniques, properties and functions of different advanced refractories.

4 .

To gain comprehensive knowledge on the details of various advanced refractories and to utilize the same for developmental activities and further improvement of the products.

Course Outcome

1 .

CO 1: In-depth knowledge on the details of various advanced refractories
CO 2: Utilization of the knowledge to think independently and carry out developmental work on advanced refractories and their improvements.
CO 3: To be well versed with the importance and fundamentals of the advanced refractories in the critical application areas.
CO 4: Prepare future materials scientist and engineers who can fit in academia and industry for relevant scientific breakthrough.
CO 5: Able to design advanced refractories as per the demand of the application areas and user industries for future technological needs.
CO 6: Solve numerous problems and case studies related to refractories associated with the various user industries.

Essential Reading

1 .

R Sarkar,, Refractory Technology: Fundamentals and Application,, CRC Press, 2016.

2 .

J. H. Chesters,, Refractories- Production and Properties,, The Iron and Steel Institute, London, 1973.

Supplementary Reading

1 .

P. P. Budnikov,, The Technology of Ceramics and Refractories,, Translated by Scripta Technica, Edward Arnold, The MIT Press, 4th Ed, 2003.

2 .

C. A. Schacht,, Refractory Linings: Thermo-mechanical Design and Applications,, CRC Press, 1995.