635-3001/01 – Industrial Furnaces (PR_PECE)

Gurantor departmentDepartment of Thermal EngineeringCredits6
Subject guarantordoc. Ing. Adéla Macháčková, Ph.D.Subject version guarantordoc. Ing. Adéla Macháčková, Ph.D.
Study levelundergraduate or graduateRequirementCompulsory
Year1Semesterwinter
Study languageCzech
Year of introduction2014/2015Year of cancellation
Intended for the facultiesFMTIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
KLE30 doc. Ing. Zuzana Klečková, CSc.
MAH46 doc. Ing. Adéla Macháčková, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 3+2
Combined Credit and Examination 16+0

Subject aims expressed by acquired skills and competences

Student is able to orient in area of heat transfer, thermo-mechanic, hydro-mechanic, that are the fundamentals for technology of heating the material, operation modes, designs, basic calculation the time heating. Student will know the different the heating systems used in industrial furnaces. They will be able to orient in refractory materials, heat exchangers, temperature, flow measurement, analyses of flue-gas components. Students obtain completed review in industrial furnaces, their utilization and construction.

Teaching methods

Lectures
Individual consultations
Tutorials

Summary

The course is focused on the knowledge of the basic of thermo-mechanics and the principles of heat transfer, hydromechanics. Describing the thermo-mechanical properties of heating/cooling materials too. There are described the principles of heat transfer in furnace, the regimes of heating the materials, determination the time of heating, heating in different ambient atmospheres, rapid heating. The refractory materials, heat-exchangers and measurement of fundamental quantities are also described. Industrial furnaces – their design, parameters and utilization is shown. Practical demonstration of heating and cooling the material is supplemented by numerical simulation with assessment.

Compulsory literature:

DESMUKH, V.Y. Industrial Heating. Principles, Techniques, Materials, Applications, and Design. 1. vyd. Boca Raton : CRC Press, 2005. 767 s. ISBN: 0-8493-3405-05.

Recommended literature:

MULLINGER, P., JENKINS, B. Industrial and Process Furnacess. 1. vyd. Oxford : Elsevier, Ltd, 2008. 524 s. ISBN: 978-0-7506-8692-1.

Way of continuous check of knowledge in the course of semester

E-learning

Další požadavky na studenta

No other requirements.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

1. A brief knowledge of thermo-mechanics – laws and equations. Heat transfer – basic equations for steady-state and non-steady-state conduction, radiation and convection. Combined heat transfer. Hydromechanics – statics and dynamics – more frequent used equations in fluid flows. 2. Thermo-physical properties of materials. Thermal conductivity coefficient, specific heat, density, thermal diffusivity coefficient, viscosity. Enthalpy. Emissivity. Low/high heating value. 3. Heat transfer in furnace´ workplaces – external/internal heat transfer. Convective and radiant heat flux. Biot number. Heat transport in fixed and movable layer. Material melting. 4. The process of materials heating. Heating the thin body. Heating the thick body. Heating time calculation. Heating materials modes. Empiric equations for heating time and heating rate. 5. Technological fundamentals of heating the materials. Heat stress. The impact of heating time and temperature on scale and burn-off generation. Heating in protective atmosphere, controlled atmosphere. Rapid heating. 6. Heating systems in furnaces. Resistance heating – direct and indirect. Electric arc. Induction heating. Plasma heating. Electron – beam heating. Dielectric heating. Microwave heating. Infrared heating. Laser-beam heating. Burners. 7. Review of refractory used in industrial furnaces. Division the materials, properties, utilization. 8. Review of heat-exchangers most frequently used in industrial furnaces. Type of heat exchangers. Recuperators and regenerators utilization. Basic equations. 9. Measurement the temperature and pressure in furnace workplaces and piping systems. Measurement the flow. Review of measurement equipments. Analyzer of flue gasses components. 10. Industrial furnaces. Division the furnaces according to technology, to source of heat, to workplace. Efficiency and productivity of furnace. Smelting furnaces – blast furnace, cupola furnace, convertor. Arc furnace. Electric furnace. 11. Industrial furnaces – Induction furnace with and without iron core. Electron-beam furnace. Plasma-beam furnace. Heating furnace – soaking furnace, chamber furnace, push furnace, walking-beam furnace, rotary heart furnace. Furnaces for heat treatment – non-stop working and bell furnaces. Furnaces with microwave and dielectric system of heating. 12. Practical demonstration of heating and cooling the solid material in heating furnace. Data acquisition – temperature. Protective atmosphere utilization. Data processing. 13. Numerical simulation of heating and cooling the solid material using the software. Data preparation, layout and data evaluation.

Conditions for subject completion

Combined form (validity from: 2014/2015 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 25  20
        Examination Examination 75  31
Mandatory attendence parzicipation:

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2015/2016 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies P Czech Ostrava 1 Compulsory study plan
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2015/2016 (N2109) Metallurgical Engineering (2109T039) Thermal Engineering and Ceramic Materials K Czech Ostrava 1 Compulsory study plan
2014/2015 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies P Czech Ostrava 1 Compulsory study plan
2014/2015 (N2109) Metallurgical Engineering (2109T039) Thermal Engineering and Ceramic Materials P Czech Ostrava 1 Compulsory study plan
2014/2015 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies K Czech Ostrava 1 Compulsory study plan
2014/2015 (N2109) Metallurgical Engineering (2109T039) Thermal Engineering and Ceramic Materials K Czech Ostrava 1 Compulsory study plan

Occurrence in special blocks

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