新疆燃煤电厂脱硝系统超低排放改造方案
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摘要
目前新疆地区的燃煤电厂都在对现役机组进行超低排放改造,我国氮氧化物超低排放的标准要求不超过50 mg/m~3。以燃煤电厂的脱硝系统为研究对象,通过对全疆13家燃煤电厂脱硝系统的超低排放改造技术进行调查和分析,重点介绍目前疆内几种主流的脱硝系统超低排放改造的方式和原理,并提出脱硝系统改造后可能存在的一些问题,希望能够为后续燃煤电厂脱硝系统的超低排放改造提供参考。
At present, coal-fired power plants in Xinjiang are carrying out ultra-low emission reforms on existing units, and China's ultra-low emission standard limit for nitrogen oxide was 50 mg/m~3. Taking the denitrification system of coal-fired power plants as the research object, and through investigating and analyzing the ultra-low emission retrofit technology of the denitrification system of the 13 coal-fired power plants in Xinjiang, this paper highlighted the current the methods and principles of ultra-low emission reformation of several mainstream denitration systems in Xinjiang, and put forward some problems that may exist after transformation of the denitrification system, hoping to provide reference for the ultra-low emission reformation of the subsequent denitration system of coal-fired power plants.
At present, coal-fired power plants in Xinjiang are carrying out ultra-low emission reforms on existing units, and China's ultra-low emission standard limit for nitrogen oxide was 50 mg/m~3. Taking the denitrification system of coal-fired power plants as the research object, and through investigating and analyzing the ultra-low emission retrofit technology of the denitrification system of the 13 coal-fired power plants in Xinjiang, this paper highlighted the current the methods and principles of ultra-low emission reformation of several mainstream denitration systems in Xinjiang, and put forward some problems that may exist after transformation of the denitrification system, hoping to provide reference for the ultra-low emission reformation of the subsequent denitration system of coal-fired power plants.
引文
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[8] 张东辉,庄烨,朱润儒.燃煤烟气污染物超低排放技术及经济分析[J].电力建设,2015,36(5):125-130.
[9] 朱法华,王临清.煤电超低排放的技术经济与环境效益分析[J].环境保护,2014,42(21):28-33.
[2] 赵东阳,靳雅娜,张世秋.燃煤电厂污染减排成本有效性分析及超低排放政策讨论[J].中国环境科学,2016,36(9):2841-2848.
[3] 李殿勋.火电厂燃煤锅炉超低排放流场优化分析及工艺研究[D].济南:山东大学,2016.
[4] 史文峥,杨萌萌,张绪辉.燃煤电厂超低排放技术路线与协同脱除[J].中国电机工程学报,2016,36(16):4308-4318,4513.
[5] 马强. 烟气中多种污染物超低排放的活性分子氧化及一体化脱除机理研究[D].杭州:浙江大学,2016.
[6] 帅伟,李立,崔志敏.基于实测的超低排放燃煤电厂主要大气污染物排放特征与减排效益分析[J].中国电力,2015,48(11):131-137.
[7] 范爱晶. 新型低氮燃烧器在加热炉脱硝改造中的应用[J]. 能源化工,2016,37(3):79-82.
[8] 张东辉,庄烨,朱润儒.燃煤烟气污染物超低排放技术及经济分析[J].电力建设,2015,36(5):125-130.
[9] 朱法华,王临清.煤电超低排放的技术经济与环境效益分析[J].环境保护,2014,42(21):28-33.