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Fluid grate design and optimalization in the function aspect point of view and economy of production
Voráč, Petr ; Vondál, Jiří (referee) ; Nekvasil, Richard (advisor)
The Master´s thesis deals with the fluid layer, with types of fluidized layer and with problems which can be solve during design of new fluidized beds. The aim was find the fluidized grid, which is the best form economical and technological point of view. In this work are compared three fluidized grids. The first was part of submission. Next two additional types were then proposed by the author of thesis. Proposals grids are discussed in detail from the design phase, through the modeling and subsequent simulation part in a computer program. The results of simulation are pressure losses. Which are compared with the recommended interval values. Afterward these tested beds are put through technical and economic analysis. The result is grade which is met both requirements.
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Reducing the content of combustible substances in the flying ash
Mucha, Matej ; Špiláček, Michal (referee) ; Baláš, Marek (advisor)
The thesis deals with formation, usage, advantages and disadvantages of fluidized bed. It describes power plant Vojany, the process of generation power, used technology of fluidized bed boilers and their technical problems. The thesis summarizes the solutions given by University of technology Czestochova and also gives suggestion to solve the problem of large content of combustible coal parts in fly ash.
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Modern treatments by powder paints
Turek, Tomáš ; Kovář, Petr (referee) ; Kubíček, Jaroslav (advisor)
The thesis deals with the process of powder coating paint, a description of the individual steps and types of used equipment. Thesis also includes the distribution of powder paints and overview of basic information, color chart systems and the description of color tone perception. At the end of the thesis are summary of quality standards of deposited surface and technologic process of coating using in the powder coating in paintshop.
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Influence of Oxygen Partial Pressure in the Combustion Atmosphere on the Emissions and Efficiency of the Fluidized-Bed Incineration of Corn Straw
Durda, Tomáš ; Pohořelý, Michael ; Šyc, Michal ; Svoboda, Karel ; Kameníková, Petra ; Jeremiáš, Michal ; Punčochář, Miroslav
This experimental study is focused on the corn straw incineration in a bubbling fluidized-bed reactor. The aim of this study is to compare the influence of oxygen partial pressure in the combustion atmosphere on the efficiency of the combustion process, and the emissions of undesirable pollutants (CO, NOx, SO2, N2O, and dust). The efficiency of the combustion process is compared on the basis of chemical unburned carbon (concentration of CO in the exhaust gas) and mechanical unburned particles (content of carbon in the solid form).
Fulltext: content.csg -  PDF
Plný tet: SKMBT_C22014112015520 - PDF
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Gas Cleaning for High Temperature Fuel Cells with Solid Electrolyte
Pohořelý, Michael ; Svoboda, Karel ; Skoblia, Sergej ; Jeremiáš, Michal ; Kameníková, Petra ; Šyc, Michal ; Parschová, H. ; Cabáková, G. ; Šustr, V. ; Durda, Tomáš ; Beňo, Z. ; Punčochář, Miroslav
The aim of this paper is to introduce readers (listeners) to the basics of gasification process, high temperature fuel cells with solid electrolyte and particularly with the problems of high-temperature gas cleaning system of the producer gas from gasification of woody and agricultural biomass and/or alternative fuels (e.g. refuse derived fuel) to the level needed for its use in combined production of heat and electric power in high-temperature fuel cells with solid electrolyte (SOFC).
Fulltext: content.csg - PDF
Plný tet: SKMBT_C22014092610401 - PDF
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Properties of Coal on Process Gasification in the Fluidized Bed Reactor
Durda, Tomáš ; Pohořelý, Michael ; Jeremiáš, Michal ; Skoblia, S. ; Beňo, Z. ; Janda, V. ; Šyc, Michal ; Punčochář, Miroslav ; Svoboda, Karel
Fuel is gasified by thermochemical conversion into producer gas using an appropriate medium at high temperature in a gasification generator. The aim of this study was to compare the suitability (reactivity) of selected types of coal in several fluid generators under the well defined conditions. Producer gas obtained by coal gasification was compared, especially, in terms of calorific value and yield of gas, cold gas efficiency, the yield of major and minor components of gas, tar yield and conversion fixed carbon into the generator gas.
Fulltext: content.csg - PDF
Plný tet: SKMBT_C22012112316120 - PDF
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