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RDF Grate Biomass Boiler
Kudýn, David ; Křemínský, Pavel (referee) ; Lisý, Martin (advisor)
The master’s thesis deals with the design of a grate boiler with natural circulation for the combustion of refuse-derived fuels with the required heat output of 5 MW. Stochiometric calculations are executed at the introduction of the thesis, furthermore, the efficiency of the boiler is set down by an indirect method. Afterwards, the dimensions of the boiler are designed, with individual heat-exchanging surfaces. The last part of the thesis is dedicated to verifications of heat balance, the check of chlorine corrosion and setting down pressure losses for working medium and also for flue gas. The scheme of the boiler is attached in the appendix.
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RDF Grate Biomass Boiler
Malíková, Veronika ; Křemínský, Pavel (referee) ; Lisý, Martin (advisor)
The diploma thesis deals with the design of a grate boiler for the combustion of a mixture of RDF and wood chips with the specified output and parameters of superheated steam. The introduction consists of stoichiometric calculations and determination of the thermal efficiency of the boiler. The thesis is devoted to determining the dimensions of the boiler, heat transfer calculations, determining pressure losses, checking the heat balance and chlorine corrosion.
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Determination of chlorine in fuels
Saitl, Pavel ; Köbölová, Klaudia (referee) ; Lisá, Hana (advisor)
This work presents and theoretically processes several standard methods for determining the chlorine content in biofuels. The advantages and disadvantages of each method are discussed, along with their comparison to one another. Additionally, the behaviour of chlorine during the combustion process, the impacts of gaseous chlorine on combustion devices, and possible mitigation strategies are described. Within the framework of describing the behaviour of chlorine during the combustion process, both high-temperature and low-temperature chlorine corrosion, which are most pronounced in boilers burning biomass-derived fuels and solid alternative fuels, are explained. The work also includes the natural cycle of chlorine, illustrating the negative impact that escaping gases from boilers burning biomass and solid alternative fuels have.
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RDF Grate Biomass Boiler
Kudýn, David ; Křemínský, Pavel (referee) ; Lisý, Martin (advisor)
The master’s thesis deals with the design of a grate boiler with natural circulation for the combustion of refuse-derived fuels with the required heat output of 5 MW. Stochiometric calculations are executed at the introduction of the thesis, furthermore, the efficiency of the boiler is set down by an indirect method. Afterwards, the dimensions of the boiler are designed, with individual heat-exchanging surfaces. The last part of the thesis is dedicated to verifications of heat balance, the check of chlorine corrosion and setting down pressure losses for working medium and also for flue gas. The scheme of the boiler is attached in the appendix.
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RDF Grate Biomass Boiler
Malíková, Veronika ; Křemínský, Pavel (referee) ; Lisý, Martin (advisor)
The diploma thesis deals with the design of a grate boiler for the combustion of a mixture of RDF and wood chips with the specified output and parameters of superheated steam. The introduction consists of stoichiometric calculations and determination of the thermal efficiency of the boiler. The thesis is devoted to determining the dimensions of the boiler, heat transfer calculations, determining pressure losses, checking the heat balance and chlorine corrosion.
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