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Characterization of the fuel bed combustion of wood residues in a 4 MW grate boiler
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggd miljö och energiteknik (BET).
Linnéuniversitetet, Fakulteten för teknik (FTK), Institutionen för byggd miljö och energiteknik (BET).
2015 (engelsk)Inngår i: European Biomass Conference and Exhibition Proceedings, 2015, s. 741-744Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Information about distributions of temperature and gas species within the fuel bed is of great importance in studying the formation of pollutants in an industrial-scale biomass boiler. The main objective of this study was to investigate the gas composition and temperature in some available sections of the fuel bed of a 4 MW reciprocating grate boiler, burning mixture of fresh pine wood chips, bark, and sawdust with two significantly different moisture content levels. The averageCO, CO2,CH4, and O2 concentrations measured during the combustion of the more moist fuel (about 60 mass %) were about 12, 12, 2, and 4 vol. %, respectively, whereas the corresponding values for the less moist fuel (about 45 mass %) were about15, 10, 2.5, and 5 vol. %, respectively. Higher concentration of CO and lower concentration of CO2 for the less moist fuel could originate either from the char conversion process or from the reactions of the devolatilizationgas products.

sted, utgiver, år, opplag, sider
2015. s. 741-744
Emneord [en]
Biomass; Grate combustion; Fuel bed; Experimental; Moisture; Gas concentration
HSV kategori
Forskningsprogram
Teknik, Bioenergiteknik/Energi- och Miljöteknik
Identifikatorer
URN: urn:nbn:se:lnu:diva-45586DOI: 10.5071/23rdEUBCE2015-2BV.2.49ISBN: 978-88-89407-516 (tryckt)OAI: oai:DiVA.org:lnu-45586DiVA, id: diva2:844008
Konferanse
23rd European Biomass Conference & Exhibition, 1-4 June, 2015, Vienna
Tilgjengelig fra: 2015-08-03 Laget: 2015-08-03 Sist oppdatert: 2016-05-03bibliografisk kontrollert

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Razmjoo, NargesStrand, Michael

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