Analysis and monitoring of the combustion performance in a biomass power plant

Combustion air systems are an important aspect of the industrial boiler's performance, and they are being used increasingly to reduce emissions. Generally, improvements in boiler performance and emissions reduction can be achieved by modifying the air system. In the specific case of primary air...

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Autores principales:	João Pedro Silva, Senhorinha Teixeira, Élson Grilo, Bernhard Peters, José Carlos Teixeira
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Biomass Combustion Dedicated power plant Emissions Industrial boiler Renewable energy sources TJ807-830 Environmental engineering TA170-171
Acceso en línea:	https://doaj.org/article/deaa4840c36a450f945250ea798a240d
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spelling	oai:doaj.org-article:deaa4840c36a450f945250ea798a240d2021-11-10T04:42:43ZAnalysis and monitoring of the combustion performance in a biomass power plant2666-790810.1016/j.clet.2021.100334https://doaj.org/article/deaa4840c36a450f945250ea798a240d2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666790821002949https://doaj.org/toc/2666-7908Combustion air systems are an important aspect of the industrial boiler's performance, and they are being used increasingly to reduce emissions. Generally, improvements in boiler performance and emissions reduction can be achieved by modifying the air system. In the specific case of primary air, its temperature, distribution, and vibration of the grate significantly affect the conversion and mixing of biomass. Consequently, in this work, a comprehensive analysis of a biomass power plant operation, which is a result of an experimental campaign developed for 12 days is presented. In this regard, since the fuel has highly variable physical and chemical properties, disturbances causing an unsteady conversion process and corrosion risks were verified. Furthermore, the influence of the primary air distribution and the grate vibration cycles was evaluated through different tests. The grate vibration periods revealed that increasing the interval without vibrations results in a significant reduction of CO emissions. However, increasing this period may lead to some agglomeration problems in the grate. Concerning the primary air supply, in the three different sections of the grate, the supply of a more significant amount of air in the first two sections of the grate, in the central region of the grate, decreases the CO emissions. Additionally, the possibility to reduce the flue gas temperature using empirical correlations for a quick estimation of acid dew point during flue gas cooling for heat recovery to preheat the primary air was studied. The results revealed a large amount of energy that can be recovered without low-temperature corrosion problems, and 7% of the total input energy can be saved.João Pedro SilvaSenhorinha TeixeiraÉlson GriloBernhard PetersJosé Carlos TeixeiraElsevierarticleBiomassCombustionDedicated power plantEmissionsIndustrial boilerRenewable energy sourcesTJ807-830Environmental engineeringTA170-171ENCleaner Engineering and Technology, Vol 5, Iss , Pp 100334- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Biomass Combustion Dedicated power plant Emissions Industrial boiler Renewable energy sources TJ807-830 Environmental engineering TA170-171
spellingShingle	Biomass Combustion Dedicated power plant Emissions Industrial boiler Renewable energy sources TJ807-830 Environmental engineering TA170-171 João Pedro Silva Senhorinha Teixeira Élson Grilo Bernhard Peters José Carlos Teixeira Analysis and monitoring of the combustion performance in a biomass power plant
description	Combustion air systems are an important aspect of the industrial boiler's performance, and they are being used increasingly to reduce emissions. Generally, improvements in boiler performance and emissions reduction can be achieved by modifying the air system. In the specific case of primary air, its temperature, distribution, and vibration of the grate significantly affect the conversion and mixing of biomass. Consequently, in this work, a comprehensive analysis of a biomass power plant operation, which is a result of an experimental campaign developed for 12 days is presented. In this regard, since the fuel has highly variable physical and chemical properties, disturbances causing an unsteady conversion process and corrosion risks were verified. Furthermore, the influence of the primary air distribution and the grate vibration cycles was evaluated through different tests. The grate vibration periods revealed that increasing the interval without vibrations results in a significant reduction of CO emissions. However, increasing this period may lead to some agglomeration problems in the grate. Concerning the primary air supply, in the three different sections of the grate, the supply of a more significant amount of air in the first two sections of the grate, in the central region of the grate, decreases the CO emissions. Additionally, the possibility to reduce the flue gas temperature using empirical correlations for a quick estimation of acid dew point during flue gas cooling for heat recovery to preheat the primary air was studied. The results revealed a large amount of energy that can be recovered without low-temperature corrosion problems, and 7% of the total input energy can be saved.
format	article
author	João Pedro Silva Senhorinha Teixeira Élson Grilo Bernhard Peters José Carlos Teixeira
author_facet	João Pedro Silva Senhorinha Teixeira Élson Grilo Bernhard Peters José Carlos Teixeira
author_sort	João Pedro Silva
title	Analysis and monitoring of the combustion performance in a biomass power plant
title_short	Analysis and monitoring of the combustion performance in a biomass power plant
title_full	Analysis and monitoring of the combustion performance in a biomass power plant
title_fullStr	Analysis and monitoring of the combustion performance in a biomass power plant
title_full_unstemmed	Analysis and monitoring of the combustion performance in a biomass power plant
title_sort	analysis and monitoring of the combustion performance in a biomass power plant
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/deaa4840c36a450f945250ea798a240d
work_keys_str_mv	AT joaopedrosilva analysisandmonitoringofthecombustionperformanceinabiomasspowerplant AT senhorinhateixeira analysisandmonitoringofthecombustionperformanceinabiomasspowerplant AT elsongrilo analysisandmonitoringofthecombustionperformanceinabiomasspowerplant AT bernhardpeters analysisandmonitoringofthecombustionperformanceinabiomasspowerplant AT josecarlosteixeira analysisandmonitoringofthecombustionperformanceinabiomasspowerplant
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Analysis and monitoring of the combustion performance in a biomass power plant

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