Boilers (FSI-LK-A)

Academic year 2020/2021

Supervisor:	doc. Ing. Zdeněk Skála, CSc.
Supervising institute:	EÚ	all courses guaranted by this institute
Teaching language:	English
Aims of the course unit:
The course objective is to make students familiar with present level of construction and operation of boilers with modern parts for more economical operation of boiler and lower emissions. Students prepare for the successful working out of their final project and diploma thesis.
Learning outcomes and competences:
Student will acquire theoretical knowledge, which they can apply as well prepared specialist to construction of boilers and their operation. At seminars students will get practical experience with calculations needed for their work in power engineering.
Prerequisites:
Thermomechanics, heat and mass transfer.
Course contents:
The course is concerned with detailed calculations of the combustion chamber and convection parts of the boiler and with the basics of the hydrodynamic and aerodynamic calculations. Conception problems in the design of various types of boilers for solid (incl. biomass), liquid and gaseous types of fuel, wastes and fuel mixtures will also be presented. Also dealt with are: construction and calculations of the boiler heat exchangers, application of special construction materials, and new trends in the construction of boilers.
Teaching methods and criteria:
The course is taught through lectures explaining the basic principles and theory of the discipline. Exercises are focused on practical topics presented in lectures.
Assesment methods and criteria linked to learning outcomes:
Course-unit credit requirements: Attendance at seminars, Students have to receive 6 out of 10 points in simple test during one of the seminars and submit a paper on "Calculation and constructional design of boiler for the combustion turbine". Exam has two parts: Written exam - 2 questions and 1 practical task. Oral exam – final evaluation adjustment.
Controlled participation in lessons:
Attendance at seminars is obligatory, at lectures it is recommended. Compensation of missed seminars to be consulted with a teacher.
Type of course unit:
Lecture	13 × 3 hrs.	optionally
Exercise	13 × 1 hrs.	compulsory
Course curriculum:
Lecture	1. Basic mass and heat balance of the boiler. 2. Thermal calculation of furnace, temperatures in furnace. 3. Thermal calculation of supplementary surfaces. 4. New trends in boiler development, fluidized bed boilers with stationary and circulating fluid bed, emission values of harmful substances. 5. Temperatures in furnace. 6. Boilers for incinerating stations and boilers for waste heat, construction, materials, calculations, operation, maintenance. 7. Combustion air heaters, construction, materials, calculations, operation, maintenance. 8. Economizers, construction, materials, calculations, operation, maintenance. 9. Evaporators of the boilers. Construction, materials, calculations, operation, maintenance. 10. Superheaters and reheaters, construction, materials, calculations, operation, maintenance. 11. Fine and rough fitting of the boiler. 12. Small boilers for central heating, flue boilers, characteristic values. 13. Aerodynamic calculation of the boiler and basics of material limits calculation of the pressure parts of the boiler.

Exercise	Individual calculating and constructional design of boiler for combustion turbine.

Literature - fundamental:
1. Černý V., Janeba B., Teyssler J.:: Parní kotle - technický průvodce č. 32, , 0
2. Doležal R.:: Dampferzeugung, , 0
3. Effenberger H.:: Dampferzeuger, , 0
Literature - recommended:
1. Ochrana L.:: Spalovací zařízení a výměníky tepla, , 0
2. Kadrnožka J, Ochrana, L.: Teplárenství - CERM 2001