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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
101

Vytápění a chlazení RD s kombinovaným systémem dodávky tepelné a el. energie / Heating and cooling for residences with complex energy supply system

Pavlíček, Michal January 2015 (has links)
Heating and cooling along with the indoor air quality is now discussed topic not only in the family houses. Goes hand in hand with reducing the energy consumption of buildings. This fact is edited by various laws or Regulations, no matter we discuss new buildings requirements, or for example energy label on older constructions.
102

Fluidní kotel CFB na spalování dřevní biomasy o parametrech páry 150 t/h; 9,3 MPa; 530 °C / Fluid boiler CFB for wood biomass combustion, setam paramters 150 t/h; 9,3 MPa; 530 °C

Martinek, Jan January 2015 (has links)
This diploma thesis deals with the control calculation of fluid biomass boilers with circulating fluidized bed. The introduction briefly introduced fluidized bed boilers and explained what biomass is. Furthermore there is a stoichiometric calculation of combustion. The calculation of the losses and the efficiency of the boiler is following. Desulphurization is calculated briefly. The main part is devoted to the design and calculation of individual heat exchanging surfaces: superheater P1, superheaters 2 and 3, the wall superheater, the return chamber, hanging tubes, economizer and air heater. At the end is calculated total tolerance boiler. Work is completed with a diagram of temperature of working media and combustion.
103

Roštový kotel s přirozenou cirkulací na spalování směsi dřeva a hnědého uhlí / Grate Boiler for Wood Chips and Coal Combustion

Lauš, Ladislav January 2015 (has links)
The work deals with the constructional and calculation design of the boiler for burning wood and combustion coal in scale (30/70-coal), in load 50 t/h, parameters of steam output p=7,5 MPa, t=480 °C and a temperature of feed water 105 °C. It is a boiler with natural water circulation by evaporation surfaces. In proposal first steichiometric calculations and enthalpic calculations of air and flue gas are performed. Then it is calculated heat balance, the boiler losses and the thermal efficiency is determined. After designing the combustion chamber and dimensions of pulls are determined. In last chapter the overall energy balance are checked. Drawing documentation of steam boiler is a part of the work.
104

Roštový kotel na spalování biomasy o parametrech páry 88 t / h, 9,6 MPa, 520°C / Steam boiler for biomass grate firing ,steam parametrs 88 t / h, 9,6 MPa,520°C

Hlaváč, David January 2015 (has links)
The thesis deals with steam boiler design of 88 tons per hour capacity and with the outlet steam parameters of 9,6 MPa and 520 °C. Fuel for boiler is wood chips. The main focus of the thesis is on heat calculation, design of dimensions and layout of heat surfaces. The thesis also include drawing of steam boiler.
105

Optimalizace zdrojů tepla pro bytový dům / Optimization of heat generators for residential house

Smola, Vojtěch January 2016 (has links)
This diploma thesis solves design of heating in a residental building. This work is focused on the selection of appropriate one of the two options a heat source, which are cascade heat pumps ground-water and gas condensing boilers. The theoretical part of the diploma thesis deals with introducing to the issue of heat pump systems. The functional principle of the widely most used types and particularized type ground-water. In the practical part calculation and design of heating system with selected heating source that is cascade of gas condensing boilers.
106

Roštový kotel na spalování biomasy / Grate Boiler for Biomass Combustion

Kopeček, Marián January 2016 (has links)
The thesis includes design of steam boiler burning woodchips with parameters of steam 88 t/h, 9,6 MPa, 520 °C. For these parameters is processed a heat calculation and dimensional design of boiler.
107

Snížení emisí SO2 ve spalinách z fluidního kotle / Reducing emissions of SO2 in the flue gas from the fluidized bed boiler

Tesař, Jan January 2016 (has links)
Aim of this thesis is to design a technology of a flue gas desulphurization of fluidized bed boiler. Currently, the state of technology is not able to provide flue gas desulphurisation to required level. For this reason it is necessary to build additional device for the desulphurisation. Theoretical part of the thesis deals with the emission limits of sulphur dioxide, available methods of desulphurization and sorbents suitable for the desulfurization. In practical part conditioned dry sorption method is chosen for the specified source, technological and structural design for suggested desulphurization technology including design of all device is proposed. The thesis also includes a technology design and a 3D model.
108

Návrh kotle na spoluspalování zemního plynu a vysokopecního plynu / Draft boilers for co-firing natural gas and blast furnace gas

Šebela, Jakub January 2016 (has links)
The aim of a diploma thesis is design of draft boiler for co-firing blast furnace gas and natural gas. In the first part is made the stoichiometric calculation for the gas mixture. Next is the proposal of combustion chamber and proposal of individual heating surfaces of boiler. Next part contains the thermal calculation and control of individual heating surfaces. Part of the work is also drawing documentation of boiler.
109

Spojení kondenzačního kotle se solárními kolektory pro zásobování RD tepelnou energií / Condensing boiler with solar collectors for thermal energy supply of residences

Zeman, Radek January 2016 (has links)
This diploma thesis deals with practical design of heat supply of real house in Libhošť, Nový Jičín. Main strategy of heat supply is gas condensation boiler, that replaces current gas boiler, with solar collector. From known house heat loss we determine temperatures of heating water and power of boiler, that heats the house and hot water. System with solar collector is designed to heat hot water in the house. All necessary equations are calculated both for long term measured meteorological data and for data in year 2015. Heat gains and payback periods of investment in solar system are determined from them. Payback periods are calculated given to price of heat that gas boiler produces. Equations and payback period evaluation are made for systems with one to four solar collectors. There is recommendation at the end of thesis, whether the solar system is advantageous, or not.
110

Zdroje tepla pro průmyslové objekty / Heat sources for industrial buildings

Vejnarová, Nikola January 2017 (has links)
The thesis is focused on the design of the new heat source of the existing building. The first part deals with the heat sources and fuels used in the Czech Republic. The second part includes design of three variants of heat sources: gas boilers, cogeneration unit with the electric boilers and cogeneration unit with gas boilers. The individual variations are also evaluated in terms of user comfort, space requirements or economy of operation. The third part includes measurement and evaluation of internal environment of the dining hall.

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