Development of biomass charcoal combustion heater for household utilization / Masayuki Horio in Industrial & engineering chemistry research, Vol. 48 N°1 (Janvier 2009)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 48 N°1 (Janvier 2009) . - P. 361-372 Titre : Development of biomass charcoal combustion heater for household utilization Type de document : texte imprimé Auteurs : Masayuki Horio, Éditeur scientifique ; Amit Suri, Éditeur scientifique ; Junji Asahara, Éditeur scientifique Année de publication : 2009 Article en page(s) : P. 361-372 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Biomass Charcoal Thin bed cross-flow (TBCF) Résumé : In the present work a prototype powdered biomass charcoal fired heater with a heat output of 6 kW is designed and developed so that a new powdered charcoal market can be initiated to enhance greenhouse gas (GHG) reduction through massive biomass utilization. The combustion heater was designed based on the concept of charcoal combustion in a thin bed cross-flow (TBCF) mode, where a very thin uniform bed of charcoal is fixed by air flow on the wall of a cylindrical chamber with an air-penetrable wall. The distinct advantage of using such a thin bed cross-flow is low fuel inventory and good air−fuel contact, resulting in fast startup/shutdown and low CO emissions in the exhaust gases. Fundamental data for realizing such a combustion heater are presented, and the performance characterization of the thus manufactured heater is investigated. The combustion heater was characterized for charcoal prepared from Japanese oak (Quercus serrata) and from several waste biomass sources, such as a pruned apple branch and charcoal formed from spent coffee waste and soybean fiber. For wood charcoal the heater’s thermal efficiency was about 65−86%, and for waste biomass charcoal species it was found to be in the range of 60−81%. When the combustion heater was operated at the stable combustion mode, the CO concentration in the exhaust after the flue gas passed through catalyst was less than 5 ppm. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8006243 [article] Development of biomass charcoal combustion heater for household utilization [texte imprimé] / Masayuki Horio, Éditeur scientifique ; Amit Suri, Éditeur scientifique ; Junji Asahara, Éditeur scientifique . - 2009 . - P. 361-372. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N°1 (Janvier 2009) . - P. 361-372 Mots-clés : Biomass Charcoal Thin bed cross-flow (TBCF) Résumé : In the present work a prototype powdered biomass charcoal fired heater with a heat output of 6 kW is designed and developed so that a new powdered charcoal market can be initiated to enhance greenhouse gas (GHG) reduction through massive biomass utilization. The combustion heater was designed based on the concept of charcoal combustion in a thin bed cross-flow (TBCF) mode, where a very thin uniform bed of charcoal is fixed by air flow on the wall of a cylindrical chamber with an air-penetrable wall. The distinct advantage of using such a thin bed cross-flow is low fuel inventory and good air−fuel contact, resulting in fast startup/shutdown and low CO emissions in the exhaust gases. Fundamental data for realizing such a combustion heater are presented, and the performance characterization of the thus manufactured heater is investigated. The combustion heater was characterized for charcoal prepared from Japanese oak (Quercus serrata) and from several waste biomass sources, such as a pruned apple branch and charcoal formed from spent coffee waste and soybean fiber. For wood charcoal the heater’s thermal efficiency was about 65−86%, and for waste biomass charcoal species it was found to be in the range of 60−81%. When the combustion heater was operated at the stable combustion mode, the CO concentration in the exhaust after the flue gas passed through catalyst was less than 5 ppm. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8006243

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