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Design of Steam Boiler
Kadlec, Tomáš ; Nechvátal, Ondřej (referee) ; Skála, Zdeněk (advisor)
This thesis is focused on design of black coal combustion boiler of 160t/h output. It consists of several parts. First, stechiometric calculations and enthalpy of air and gas are made, then heat balance of boiler and the boiler losses are calculated, and also thermal efficiency is determined. In next step, the combustion chamber is designed and its thermal calculation is made. Then, each of heating surfaces are designed, and in the last step overall energy balance of the boiler is checked. The scheme of pressure system and design documentation added.
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The proposal of measurements to fulfill emission limits for boiler of power unit 210 MW
Smokoň, Pavol ; Ing.Ondřej Nechvátal (referee) ; Baláš, Marek (advisor)
This master‘s thesis deals with denitrification of brown coal-fired boiler of electric power plant. First chapters describe technical characteristics of the boiler and possible measurements which would lead to lowering NOx emissions. In order for boiler to meet emission standards valid from 1.1.2016 flue gas treatment by selective catalytic reduction is proposed. Main part of the thesis is thermal calculation of the boiler with modifications necessary in order to apply SCR. The aim of calculation is to determine flue gas exit temperature and temperature at catalyst area in order to assess the suitability of proposed modifications.
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Fuel change for hot water boiler
Mik, Martin ; Nechvátal, Ondřej (referee) ; Skála, Zdeněk (advisor)
This thesis deals with the fuel change for hot water boilers with wattage of 116.3 MW. At first a stoichiometric calculation is drawn. Calculation of pressure loss in pipeline follows. Consequential part elaborates on calculation of parallel connected heating surfaces following with a draft of regenerative air heater Ljungtröm. Conclusively, a calculation is carried out to verify the functionality of the serial connection of the heating surfaces.
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Steam boiler for biomass
Nechvátal, Ondřej ; Ing.Obrovský (referee) ; Skála, Zdeněk (advisor)
The aim of this diploma thesis is the construction design of the steam boiler burning biomass according to the set parametres (450°C, 5,2MPa, 5,83kg/s).There are main parts to solve and design: stoichiometry, energy balance, combustion chamber, heat-delivery surface and strenght calculation output chest of superheater.
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Changing the fuel base of the coal boiler
Přikryl, Josef ; Nechvátal, Ondřej (referee) ; Skála, Zdeněk (advisor)
The diploma thesis contains calculations of gasification of coal boiler. The first part of thesis contains stochiometric calculations, heat balance and calculations of combustion chamber. In the next part are calculations of heat exchange surfaces and at the end of this part are calculations of regenerative air heater and total boiler balance. Calculations are made by regard to investments costs, preservation of the steam parameters and keeps emissons limits.
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Changing the fuel base of the coal boiler
Přikryl, Josef ; Nechvátal, Ondřej (referee) ; Skála, Zdeněk (advisor)
The diploma thesis contains calculations of gasification of coal boiler. The first part of thesis contains stochiometric calculations, heat balance and calculations of combustion chamber. In the next part are calculations of heat exchange surfaces and at the end of this part are calculations of regenerative air heater and total boiler balance. Calculations are made by regard to investments costs, preservation of the steam parameters and keeps emissons limits.
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Design of Steam Boiler
Kadlec, Tomáš ; Nechvátal, Ondřej (referee) ; Skála, Zdeněk (advisor)
This thesis is focused on design of black coal combustion boiler of 160t/h output. It consists of several parts. First, stechiometric calculations and enthalpy of air and gas are made, then heat balance of boiler and the boiler losses are calculated, and also thermal efficiency is determined. In next step, the combustion chamber is designed and its thermal calculation is made. Then, each of heating surfaces are designed, and in the last step overall energy balance of the boiler is checked. The scheme of pressure system and design documentation added.
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