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NOx emission and thermal efficiency of a 300 MWe utility boiler retrofitted by air staging
Li S(李森); Xu TM(徐通模); Hui SE; Wei XL(魏小林)
Source PublicationApplied Energy
2009
Volume86Issue:9Pages:1797-1803
ISSN0306-2619
AbstractFull-scale experiments were performed on a 300 MWe utility boiler retrofitted with air staging. In order to improve boiler thermal efficiency and to reduce NOx emission, the influencing factors including the overall excessive air ratio, the secondary air distribution pattern, the damper openings of CCOFA and SOFA, and pulverized coal fineness were investigated. Through comprehensive combustion adjustment, NOx emission decreased 182 ppm (NOx reduction efficiency was 44%), and boiler heat efficiency merely decreased 0.21%. After combustion improvement, high efficiency and low NOx emission was achieved in the utility coal-fired boiler retrofitted with air staging, and the unburned carbon in ash can maintain at a desired level where the utilization of fly-ash as byproducts was not influenced.
Subject Area电磁流体力学和等离子体动力学
DOI10.1016/j.apenergy.2008.12.032
Indexed BySCI
Language英语
WOS IDWOS:000265735300052
WOS KeywordSTAGED COMBUSTION ; NITROGEN CONVERSION ; COAL
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Citation statistics
Cited Times:107[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/26770
Collection等离子体与燃烧中心(2009-2011)
Corresponding AuthorLi S(李森)
Recommended Citation
GB/T 7714
Li S,Xu TM,Hui SE,et al. NOx emission and thermal efficiency of a 300 MWe utility boiler retrofitted by air staging[J]. Applied Energy,2009,86,9,:1797-1803.
APA 李森,徐通模,Hui SE,&魏小林.(2009).NOx emission and thermal efficiency of a 300 MWe utility boiler retrofitted by air staging.Applied Energy,86(9),1797-1803.
MLA 李森,et al."NOx emission and thermal efficiency of a 300 MWe utility boiler retrofitted by air staging".Applied Energy 86.9(2009):1797-1803.
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