Course detail

Boilers and Heat Exchangers

FSI-IKTAcad. year: 2020/2021

The subject contains two parts. The first part will introduce the basic types of heat exchangers (recuperative, regenerative, mixing). Students will acquire the basic principles of design and selection of heat exchangers. In the second part, students will be acquainted with the operational characteristics of steam and hot water boilers. The properties of fuels and their impacts on the design and operation of combustion plants in energy centers are presented. Furthermore, the statics of combustion, heat balance of boilers and individual types of furnace fires according to the fuel used.

Learning outcomes of the course unit

Students will be able to apply theoretical knowledge especially from thermomechanics, hydromechanics and heat and mass transfer in the design of combustion equipment and heat exchanger.

Prerequisites

Thermomechanics

Co-requisites

Not applicable.

Recommended optional programme components

Not applicable.

Recommended or required reading

PAVELEK, Milan. Termomechanika. Brno: Akademické nakladatelství CERM, 2011. ISBN 978-80-214-4300-6 (CS)
BALÁŠ, Marek. Kotle a výměníky tepla. Vyd. 2. Brno: Akademické nakladatelství CERM, 2013. ISBN 978-80-214-4770-7. (CS)
VILIMEC, Ladislav. Stavba kotlů I. Ostrava: Vysoká škola báňská - Technická univerzita, 2002. ISBN 80-248-0076-4 (CS)
DLOUHÝ, Tomáš. Výpočty kotlů a spalinových výměníků. Vyd. 3. V Praze: Nakladatelství ČVUT, 1999. ISBN 978-80-01-03757-7
BASU, Pabir., C. KEFA, L. JESTIN: Boilers and Burners. Springer 1999, ISBN 0-387-98703-7 (CS)
ŠESTÁK, Jiří a Rudolf ŽITNÝ. Tepelné pochody II: výměníky tepla, odpařování, sušení, průmyslové pece a elektrický ohřev. Vyd. 2. V Praze: Nakladatelství ČVUT, 2006c1997, 165 s. ISBN 80-01-03475-5 (CS)
KUPPAN, Thulukkanam. Heat exchanger design handbook. New York: Marcel Dekker, 2000. Mechanical engineering (Marcel Dekker, Inc.). ISBN 0-8247-9787-6
Klass L.D.: Biomass for Renavable Energy, Fuels and Chemicals. Academic Press 1998 (ISBN98-84422) (EN)
G. F. HEWITT (executive editor): Heat Exchanger Design Handbook 1998, Begell House, New York, 1998. (EN)

Planned learning activities and teaching methods

The course is taught in the form of lectures that have the character of explanation of basic principles and theory of the given discipline. The exercise is focused on practical mastery of the subject matter covered in the lectures.

Assesment methods and criteria linked to learning outcomes

Assesment methods and criteria linked to learning outcomes: Course-unit credit is awarded on condition of obtaining 12 points from the written test (maximum 20 points). Examination: written exam and oral correction. The written part consists of points, for successful completion it is necessary to achieve at least 50% of achievable points.

Language of instruction

Czech, English

Work placements

Not applicable.

Aims

The aim is to acquaint students with the current state and theoretical designs of boilers and heat exchangers and with modern trends in the development of these devices. Upon completion of this course, the student should be aware of the types and properties of fuels and their impact on the design of the boiler and will be able to basic thermal calculation necessary to design a boiler or heat exchanger.

Specification of controlled education, way of implementation and compensation for absences

Controlled participation in lessons: Exercises are compulsory. The student will be compensated for absence by agreement with the tutor. Lectures are optional.

Classification of course in study plans

  • Programme N-ETI-P Master's

    specialization TEP , 1. year of study, winter semester, 5 credits, compulsory
    specialization FLI , 1. year of study, winter semester, 5 credits, compulsory
    specialization ENI , 1. year of study, winter semester, 5 credits, compulsory

Type of course unit

 

Lecture

39 hours, optionally

Teacher / Lecturer

Syllabus

1. Introduction, heat transfer basics
2. Classification of heat exchangers and their distribution, design specifics
3. Design of heat exchangers
4. Operation of heat exchangers, operational failures
5. Classification of boilers, basic questions in the design of combustion plants, solid fuels and their properties
6. Liquid and gaseous fuels and their properties
7. Statics of combustion, boiler thermal efficiency, losses;
8. Fireplace, grate boiler fire
9. Fireplaces of powder and fluidized bed boilers
10. Boilers for combustion of liquid and gaseous fuels, burners
11. Steam boiler section, combustion air heating
12. Thermal equipment for energy recovery of biomass and waste
13. Gasification, new trends in combustion, Oxy-fuel

Computer-assisted exercise

26 hours, compulsory

Teacher / Lecturer

Syllabus

1. Selected chapters from thermomechanics
2. Introduction to energy balances
3. Basics of heat transfer
4. Heat transfer, criterion equation
5. Basic design of a tube heat exchanger
6. Basic design of plate heat exchanger
7. Stoichiometric calculations of solid fuel combustion
8. Stoichiometric calculations of combustion of gaseous fuels
9. Boiler losses and efficiency
10. Calculation of basic parameters of fluidized bed
11. Excursion
12. Excursion
13. Test, credit

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