低低温除尘器和海水脱硫可凝结颗粒物有机组分排放特征研究

doi:10.11930/j.issn.1004-9649.202005153

中国电力 ›› 2020, Vol. 53 ›› Issue (12): 263-269.DOI: 10.11930/j.issn.1004-9649.202005153

低低温除尘器和海水脱硫可凝结颗粒物有机组分排放特征研究

刘晓敏¹, 王乐乐², 黄见勋¹, 黄荣廷³, 许积庄¹, 孔凡海², 谢建南¹, 李津津³, 杨林军³, 张发捷², 何川²

1. 厦门华夏国际电力发展有限公司，福建厦门 361026;
2. 西安热工研究院有限公司苏州分公司，江苏苏州 215153;
3. 能源热转换及其过程测控教育部重点实验室（东南大学），江苏南京 210096

收稿日期:2020-05-19 修回日期:2020-07-16 发布日期:2020-12-16
作者简介:刘晓敏(1974—)，男，高级工程师，从事火电厂大气污染物治理研究，E-mail：davidsypp@139.com;杨林军(1967—)，男，通信作者，教授，博士生导师，从事电厂脱硫废水零排放研究，E-mail：ylj@seu.edu.cn
基金资助:
国家重点研发计划资助项目(燃煤过程有机污染物排放控制技术，2018YFB0605200)；国家自然科学基金资助项目(SCR脱硝过程中PM_2.5物性变化机制及对燃煤电厂排放特征的影响研究，51576039)

Study on the Emission Characteristics of Organic Components in Condensable Particulate Matter from Low-Low Temperature Electric Precipitator and Sea Water Desulfurization

LIU Xiaomin¹, WANG Lele², HUANG Jianxun¹, HUANG Rongting³, XU Jizhuang¹, KONG Fanhai², XIE Jiannan¹, LI Jinjin³, YANG Linjun³, ZHANG Fajie², HE Chuan²

1. Xiamen Huaxia International Power Development Co., Ltd., Xiamen 361026, China;
2. Xi' an Thermal Power Research Institution Co., Ltd. (Suzhou Branch), Suzhou 215153, China;
3. Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education (Southeast University), Nanjing 210096, China

Received:2020-05-19 Revised:2020-07-16 Published:2020-12-16
Supported by:
This work is supported by National Key Research and Development Program of China (Emission Control Technologies of Organic Compounds from Coal-Fired Process, No.2018YFB0605200), National Natural Science Foundation of China (Study on the Transition Mechanism of PM_2.5 in the Process of SCR Denitrification and its Effect on the Emission Characteristics of Coal-Fired Power Plants, No.51576039)

摘要/Abstract

摘要： 可凝结颗粒物（CPM）排放可加重雾霾的形成，近期受到广泛关注。测试了2个煤种条件下，燃煤超低排放机组烟气系统沿程总CPM及有机CPM浓度，分析有机CPM中含量前10的有机组分占比。结果表明，针对煤种1和煤种2，烟囱入口处总CPM排放质量浓度分别为4.2和5.6 mg/m³，超低排放污染控制设施对CPM的总脱除效率分别为97.21%和98.18%；低低温电除尘（LLTESP）、海水脱硫（SWFGD）、湿式电除尘（WESP）对有机CPM平均脱除效率分别为71.82%、56.36%和76.61%；低低温电除尘对有机CPM中酯类、烃类和其他有机组分均有较好的脱除效果；海水脱硫对烃类脱除效果更好，而湿式电除尘对酯类有机物去除效果更优。

关键词: 燃煤超低排放机组, 可凝结颗粒物, 有机组分, 排放特征, 低低温除尘器, 海水脱硫

Abstract: As the emission of condensable particulate matter (CPM) could exacerbate haze pollution, recently it has received more attention. In this study, CPM and its organic components were tested at different sampling sites of a flue gas purification system under the Coal 1 and Coal 2 combustion conditions, respectively. The top 10 organic components in CPM were analyzed. The results show that under the Coal 1 and Coal 2 combustion conditions, the mass emissions of CPM at the stack inlet are 4.2 and 5.6 mg/m³, respectively, and the removal efficiency of CPM by pollution control facilities after ultra-low emission transformation are 97.21% and 98.18%, respectively. In particular, the removal rates of the organic CPM by the low-low temperature electrostatic precipitator (LLTESP), the sea water wet flue-gas desulfurization (SWFGD) and the wet electrostatic precipitator (WESP) are 71.82%, 56.36% and 76.61% by average, respectively. Among them, LLTSEP exhibits general removal effect on esters, hydrocarbon and all other organic compounds. In comparison, SWFGD excels in the removal of the hydrocarbon compounds, while WESP has remarkable performance on reducing ester compounds.

Key words: coal-fired ultra-low emission unit, condensable particulate matter, organic components, emission characteristics, low-low temperature electrostatic precipitator, sea water wet flue-gas desulfurization

刘晓敏, 王乐乐, 黄见勋, 黄荣廷, 许积庄, 孔凡海, 谢建南, 李津津, 杨林军, 张发捷, 何川. 低低温除尘器和海水脱硫可凝结颗粒物有机组分排放特征研究[J]. 中国电力, 2020, 53(12): 263-269.

LIU Xiaomin, WANG Lele, HUANG Jianxun, HUANG Rongting, XU Jizhuang, KONG Fanhai, XIE Jiannan, LI Jinjin, YANG Linjun, ZHANG Fajie, HE Chuan. Study on the Emission Characteristics of Organic Components in Condensable Particulate Matter from Low-Low Temperature Electric Precipitator and Sea Water Desulfurization[J]. Electric Power, 2020, 53(12): 263-269.

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低低温除尘器和海水脱硫可凝结颗粒物有机组分排放特征研究

Study on the Emission Characteristics of Organic Components in Condensable Particulate Matter from Low-Low Temperature Electric Precipitator and Sea Water Desulfurization

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低低温除尘器和海水脱硫可凝结颗粒物有机组分排放特征研究

Study on the Emission Characteristics of Organic Components in Condensable Particulate Matter from Low-Low Temperature Electric Precipitator and Sea Water Desulfurization

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