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[1]向同琼,周黎明,王 莉,等. O2/CO2气氛下燃煤颗粒汞的生成特性[J].燃烧科学与技术,2017,(02):180-184.[doi:DOI 10.11715/rskxjs.R201601005]
 Xiang Tongqiong,Zhou Liming,Wang Li,et al. Formation Characteristics of Particulate Mercury in O2/CO2 Atmosphere[J].Journal of Combustion Science and Technology,2017,(02):180-184.[doi:DOI 10.11715/rskxjs.R201601005]
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 O2/CO2气氛下燃煤颗粒汞的生成特性()
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《燃烧科学与技术》[ISSN:1006-8740/CN:12-1240/TK]

卷:
期数:
2017年02
页码:
180-184
栏目:
出版日期:
2017-04-15

文章信息/Info

Title:
 Formation Characteristics of Particulate Mercury in O2/CO2 Atmosphere
作者:
 向同琼周黎明王 莉武金宇余孟栗
 四川省特种设备检验研究院,成都 610061
Author(s):
 Xiang TongqiongZhou LimingWang LiWu JinyuYu Mengli
 Sichuan Special Equipment Inspection Institute,Chengdu 610061,China
关键词:
 溴化物混燃O2/CO2
Keywords:
 coalmercurybromideco-firingO2/CO2
分类号:
TK227.1
DOI:
DOI 10.11715/rskxjs.R201601005
文献标志码:
A
摘要:
 针对电厂煤燃烧过程,采用煤粉沉降炉在O2/CO2 和空气燃烧气氛下进行了煤添加KCl、KBr 和CaBr2
的燃烧试验.KCl、KBr 和CaBr2添加比例(质量分数)分别为0.1%,、0.3%,和0.5%,,燃烧温度为1,050,℃.收集了
各燃烧过程的飞灰样品,对收集的飞灰进行了Hg 含量测定,并与同等添加条件下空气气氛中颗粒汞的生成情况
进行比较.试验及分析结果表明:O2/CO2气氛下,添加KBr 对颗粒汞转化促进作用较KCl 明显,并且随着添加
比例增大,颗粒汞转化率升高.空气气氛下,添加CaBr2 对颗粒汞生成的促进作用并非随着添加比例的增大而不
断增长,然而O2/CO2燃烧气氛的促进作用要高于空气气氛下CaBr2添加比例为0.5%时灰样集聚现象的抑制作用.
Abstract:
 To study the different effect of O2/CO2 and air atmospheres on the formation characteristics of particulate
mercury,experiments on coal blended with KCl,KBr,and CaBr2 were conducted in an electrically heated
reactor under O2/CO2 combustion atmosphere.The addition ratio was 0.1%,0.3%,and 0.5%,respectively and
the combustion temperature was 1,050,℃.Fly ash samples under different combustions conditions were
collected,and the Hg content in fly ash was measured.The result shows that the promotion of KBr is better than
that of KCl,and the conversion rate of particle mercury rises with the addition ratio increasing under O2/CO2 atmosphere.
In the air atmosphere,the promoting effect of CaBr2 on the formation of particulate mercury does not
increase with the increase of its addition,and the acceleration of O2/CO2 atmosphere is superior to the inhibiting
effect of ash aggregation caused by the addition of 0.5% CaBr2.

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备注/Memo

备注/Memo:
 收稿日期:2016-02-27.
作者简介:向同琼(1988— ),女,硕士,助理工程师,xiangtongqiong@163.com.
通讯作者:周黎明,男,硕士,助理工程师,liming880920@163.com.
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