635-3031/01 – Thermal processes in industrial furnaces (TPPP)

Gurantor departmentDepartment of Thermal EngineeringCredits5
Subject guarantordoc. Ing. Marek Velička, Ph.D.Subject version guarantordoc. Ing. Marek Velička, Ph.D.
Study levelundergraduate or graduateRequirementCompulsory
Year1Semesterwinter
Study languageCzech
Year of introduction2019/2020Year of cancellation
Intended for the facultiesFMTIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
BUR19 Ing. Jiří Burda
MAC589 Ing. Mario Machů, Ph.D.
SON01 doc. Ing. Pavel Šonovský, CSc.
VEL37 doc. Ing. Marek Velička, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 3+2
Part-time Credit and Examination 16+0

Subject aims expressed by acquired skills and competences

Student will be able: - to characterise technology of metal heating in industrial furnaces, - to calculate basic parameters of metal heating in industrial furnaces, - student will be able to formulate basic thermo-technical processes during metal heating in industrial furnaces, - student will be able to use his knowledge to make a decision about way of heating of metal in industrial furnaces, - student will be able to apply his theoretical knowledge to propose the metal heating technology in industrial furnaces, - to choose optimal type of industrial furnace for metal heating on basis of his knowledge.

Teaching methods

Lectures
Tutorials

Summary

The subject is focused on extended theoretical and practical knowledge of heating process and cooling process of metal materials, technology of heating and thermal treatment from the perspective of thermal processes, thermo-technical conditions at heating in industrial furnaces, mainly in the pusher, walking beam, revolving furnaces and in furnaces for thermal treatment.

Compulsory literature:

[1] MULLINGER, P., JENKINS, B. Industrial and ProcessFurnaces: Principles, Design and Operation.. 1sted. Oxford: Butterworth-Heinemann, 2008. ISBN 978-0-7506-8692-1. [2] TRINKS, W. et al. Industrial Furnaces. 6th ed. New York: Wiley, 2003. ISBN 0471387061. [3] SIENIUTYCZ, S., JEŻOWSKI, J. Energy Optimization in Process Systems. Oxford: Elsevier, 2009. ISBN 978-0-08-045141-1. [4] MULLINGER, P., JENKINS, B. Industrial and Process Furnaces: Principles, Design and Operation.. 1st ed. Oxford: Butterworth-Heinemann, 2008. ISBN 978-0-7506-8692-1.

Recommended literature:

[1] TRINKS, W. et al. IndustrialFurnaces. 6th ed. New York: Wiley, 2003. ISBN 0471387061. [2] MULLINGER, P., JENKINS, B. Industrial and Process Furnaces: Principles, Design and Operation.. 1st ed. Oxford: Butterworth-Heinemann, 2008. ISBN 978-0-7506-8692-1. [3] KHAVKIN, Y. I. Combustion System Design. Tulsa: PennWell Books, 1996. ISBN 0-87814-462-5.

Way of continuous check of knowledge in the course of semester

Written test and oral exam.

E-learning

Other requirements

Making of semestral project.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

• Properties of metals and alloys depending on temperature – thermal conductivity, specific heat capacity, density, linear and volume thermal expansion, coefficient of thermal inertia. • Basic terms – flue gas radiation in furnaces space, temperature of furnace and lining, external and internal heat transfer, differentiation of charge on thin and thick body. • External heat transfer – effect of relation position of grey bodies, balance of thermal flows on surface of lining, convective heat transfer of heated material, resulting equal of external heat transfer, graphic-analytical solution of external heat transfer, approximate calculation of external heat transfer, heating or cooling in liquid environment, cooling of charge in the air. • Theoretical calculation of heating of thin bodies – heating of thin bodies in furnace with constant temperature and with variable temperature. • Theoretical calculation of heating of thick bodies – derivation of Fourier differential equal of heat conduction, general solution of differential equal of heat conduction, conditions of uniqueness at solving the equal of heat conduction, effect of geometric shape of bodies, their average temperature and heat content. • Technological principles of metal heating – final temperature of metal heating, thermal stresses during heating and cooling of metals, placing of material in furnace space, allowed unevenness of heating and degree of warming, metal heating modes and their choice, proposal of metal heating mode, empiric relations for determining heating time. • Oxidation and decarbonisation of steel during the heating – theoretical basis of steel oxidation, effect of technological factors and furnaces atmosphere on burn out of metal, calculation of melting loss during metal heating, decarbonisation of steel, ways to reduction of steel melting loss. • Calculation of steel heating v basic types of industrial furnaces – heating of round billet and ladle skull in the pusher and walking beam furnaces, heating of round billet and ladle skull in revolving furnaces. • Calculation of steel heating v basic types of industrial furnaces –heating of material in chamber furnaces, steel heating during thermal treatment.

Conditions for subject completion

Full-time form (validity from: 2019/2020 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Credit and Examination Credit and Examination 100 (100) 51
        Credit Credit 25  15
        Examination Examination 75  36
Mandatory attendence parzicipation: Min. 80 % attendance on exercise.

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.ZaměřeníFormStudy language Tut. centreYearWSType of duty
2020/2021 (N0713A070004) Thermal energetics engineering TEZ K Czech Ostrava 1 Compulsory study plan
2020/2021 (N0713A070004) Thermal energetics engineering TEZ P Czech Ostrava 1 Compulsory study plan
2020/2021 (N0715A270003) Metallurgical engineering (S03) Forming of Progressive Metallic Materials P Czech Ostrava 1 Compulsory study plan
2020/2021 (N0715A270003) Metallurgical engineering (S03) Forming of Progressive Metallic Materials K Czech Ostrava 1 Compulsory study plan
2020/2021 (N0715A270003) Metallurgical engineering (S02) Foundry Technologies P Czech Ostrava 1 Compulsory study plan
2020/2021 (N0715A270003) Metallurgical engineering (S02) Foundry Technologies K Czech Ostrava 1 Compulsory study plan
2020/2021 (N0715A270003) Metallurgical engineering (S01) Advanced Technologies of Metals Production P Czech Ostrava 1 Compulsory study plan
2020/2021 (N0715A270003) Metallurgical engineering (S01) Advanced Technologies of Metals Production K Czech Ostrava 1 Compulsory study plan
2019/2020 (N0715A270003) Metallurgical engineering (S01) Advanced Technologies of Metals Production P Czech Ostrava 1 Compulsory study plan
2019/2020 (N0715A270003) Metallurgical engineering (S01) Advanced Technologies of Metals Production K Czech Ostrava 1 Compulsory study plan
2019/2020 (N0715A270003) Metallurgical engineering (S02) Foundry Technologies P Czech Ostrava 1 Compulsory study plan
2019/2020 (N0715A270003) Metallurgical engineering (S02) Foundry Technologies K Czech Ostrava 1 Compulsory study plan
2019/2020 (N0715A270003) Metallurgical engineering (S03) Forming of Progressive Metallic Materials P Czech Ostrava 1 Compulsory study plan
2019/2020 (N0715A270003) Metallurgical engineering (S03) Forming of Progressive Metallic Materials K Czech Ostrava 1 Compulsory study plan
2019/2020 (N0713A070004) Thermal energetics engineering TEZ P Czech Ostrava 1 Compulsory study plan
2019/2020 (N0713A070004) Thermal energetics engineering TEZ K Czech Ostrava 1 Compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner