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Title: NOx emission and thermal efficiency of a 300 MWe utility boiler retrofitted by air staging
Author: Li S(李森); Xu TM(徐通模); Hui SE; Wei XL(魏小林)
Source: Applied Energy
Issued Date: 2009
Volume: 86, Issue:9, Pages:1797-1803
Abstract: Full-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.
Language: 英语
Indexed Type: SCI
Corresponding Author: 李森
Correspondent Email: lisen@imech.ac.cn
DOI: 10.1016/j.apenergy.2008.12.032
DOC Type: Article
WOS Subject: Energy & Fuels ; Engineering, Chemical
WOS Subject Extended: Energy & Fuels ; Engineering
WOS Keyword Plus: STAGED COMBUSTION ; NITROGEN CONVERSION ; COAL
WOS ID: WOS:000265735300052
ISSN: 0306-2619
Subject: 交叉与边缘领域的力学::电磁流体力学和等离子体动力学
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/26770
Appears in Collections:等离子体与燃烧中心(2009-2011)_期刊论文

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