15CR53T: Refractories for Iron and Steel Making Ceramics 5th Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Refractories for Iron and Steel Making detail DTE Kar Diploma syllabus for Ceramics Engineering (CR), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15CR53T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other ceramics 5th sem syllabus for diploma c15 scheme dte karnataka you can visit Ceramics 5th Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for refractories for iron and steel making is as follows.

Pre-requisites:

Inorganic Chemistry, Refractories, Furnace technology, refractory lab.

Course Objectives:

Students will demonstrate acceptable knowledge on utilization of different refractories in iron and steel manufacturing according to their qualities, service life and repair works

Course Outcomes:

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1. Introduction

Understand the production of hot metal (iron) with different methods: blast furnace, Corex process, Finex process etc with sketch. Illustrate the making of iron and steel making process with detailed flow diagram from making iron to solid steel.

2. Iron making in Blast Furnace

Illustrate the detailed construction and working of blast furnace with sketch.
Describe the refractories used/practices in different parts of blast furnace with their product data sheet: Hearth part (Carbon refractories of different verities), Bosh & Belly (Alumina/ SiC), stack (Alumina / Graphite), furnace top (Alumina), Uptake, down comers (gunning/ casting with high alumina conventional castables) & cyclones (High Abrasion Alumina based).
Illustrate the construction and functioning and refractory used/practices in Hot blast main, Bustle main, Hot blast stoves (Alumina, Silica), ceramic burners (alumina based), Blow pipes (self flow castables Al / Al. ZrO2). Study the Operating parameters of the blast furnace.

3. Hot metal handling

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4. Primary Steel making refractories

Transfer ladles: functions, schematic diagram, refractories used/practices.
Process study of hot metal de-sulphurisation, reagents used method of conveying CaC2 through refractory Lances. Detailed study of lances, composition of refractory material used, refractory life analysis.
Illustrate LD Convertor, process of steel making, chemical reactions, refractory used (MgO-C) [product datasheet, role of carbon in MgO-C], converter lining procedure, maintenance practice like hot gunning, hot patch, slag splashing, converter tap hole sleeve change. Innovative method of measuring refractory thickness with laser measurement machine.

5. Secondary Steel making refractories

Steel Ladle: Illustrate with schematic diagram functions, refractory used, refractory repair practice, factors affecting steel ladle refractory life. Functional refractories in steel ladle: slide gate refractories and bottom purging plug refractories, their usage, mechanical component involved and their significance.

RH Degasser: importance of RH degasser, refractory used in vacuum vessel , inlet / outlet snorkel and refractory maintenance practices.

Continuous Casting Platform refractories: role of caster in steel making process, black refractories (SEN, SHROUD, MBS), tundish refractories, regular maintenance and practices.

6. Total Refractory Management concept

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Reference Books:

1. Fuels Furnace & Refractories O.P.Gupta
2. Handbook Refractory Practice Harbison-Walker
3. Industrial and Process Furnaces Peter Mullinger, Barrie Jenkins

e-Resources

1. http://thinkhwi.com/industries/iron-steel/basic-oxygen-fumace-bof/

Suggested Student Activity

1. Student should collect information on Mortar mixer & castable mixer / Rammers / Brick cutters / Gunning machine and Templates for castings.
2. Student should make report on Refractory life analysis of Indian steel industries.
3. Student should make report on Refractory life references.
4. Student should make report on life analysis of LD converter in India.
5. Student should make report on Coke oven, sinter plant, lime calcination, reheating furnace and pellet plant refractory application practices.
6. Student should make a report on trends in refractory management.

Note: Student should prepare hand written report with minimum 2-3 pages and reports should not be copied from earlier batches. And other similar tasks can be assigned.

Model Question Paper:

(CIE)

1. Draw a neat sketch of blast furnace and label its parts.
2. State the requirements of blow pipes in blast furnace
3. List the different refractories used in construction of blast furnace
4. Compare the hearth refractories with stack refractories

Model Question Paper:

(SEE)

Part-A

Answer any 6 of the following 6×5=30 marks

1. Draw the Sketch and label the Corex process of iron making. C1
2. List the refractories used in different areas of blast furnace. C2
3. Tell functions of runners. C3
4. Tabulate the composition of refractory used in ladles. C4
5. Describe the role of caster in steel making. C5
6. Enumerate the safety precautions during refractory erection. C6
7. Describe the chemical reactions taking place in blast furnace. C2
8. Describe the role of Mag-Carbon refractory in L D convertor. C4
9. Describe the role of slide gate in steel ladle. C5

PART-B

Answer any 7 of the following 7×10=30 marks

1. Describe iron making in Blast furnace
2. Illustrate the construction of Blast furnace with neat sketch 10 C2
1. Enumerate the operating parameters of Blast furnace 5 C2
2. List the different parts of Blast furnace 5 C2
4. Describe the electric arc furnace in iron/steel furnace 10 C3
1. Describe Torpedo 5 C3
2. Tabulate the composition of refractory used in ladles 5 C4
6. Explain the process of steel making with help of L D Convertor 10 C4
1. Sketch the schematic diagram of transfer Ladle 5 C4
2. Justify the use of slide gate in steel ladle 5 C5
8. Illustrate the functions of steel ladle with schematic diagram 10 C5
1. Differentiate transfer ladle with steel ladle 5 C5
2. Explain vacuum vessel in steel industry 5 C5
1. Generalize the scope of TRM in steel industry
2. List the equipments used during refractory erection -in steel plant 5 C6

For detail syllabus of all other subjects of BE Ceramics, C15 scheme do visit Ceramics 5th Sem syllabus for C15 scheme.

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