[1]周心澄,黄治军,潘丹萍,等.燃煤电站超低排放烟气颗粒物排放测试及特性分析[J].东南大学学报(自然科学版),2018,48(2):240-247.[doi:10.3969/j.issn.1001-0505.2018.02.008]
　Zhou Xincheng,Huang Zhijun,Pan Danping,et al.Testing and characteristics analysis on onultra-low particulate matter emission of flue gas from coal-fired power plants[J].Journal of Southeast University (Natural Science Edition),2018,48(2):240-247.[doi:10.3969/j.issn.1001-0505.2018.02.008]
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燃煤电站超低排放烟气颗粒物排放测试及特性分析()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
48
期数:
2018年第2期
页码:
240-247
栏目:
环境科学与工程
出版日期:
2018-03-20

文章信息/Info

Title:
Testing and characteristics analysis on onultra-low particulate matter emission of flue gas from coal-fired power plants
作者:
周心澄1; 黄治军2; 潘丹萍1; 胡斌1; 杨林军1
1东南大学能源热转换及其过程测控教育部重点实验室, 南京 210096; 2江苏方天电力技术有限公司, 南京 211102
Author(s):
Zhou Xincheng1;  Huang Zhijun2;  Pan Danping1;  Hu Bin1;  Yang Linjun1
1Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China
2Jiangsu Frontier Electric Technology Co., Ltd., Nanjing 211102, China
关键词:
超低排放改造;  除尘;  湿法烟气脱硫;  颗粒物;  排放特性
Keywords:
ultra-low emission technology innovation;  dust removal;  wet flue gas desulfurization;  particulate matter;  emission characteristics
分类号:
X51
DOI:
10.3969/j.issn.1001-0505.2018.02.008
摘要:
针对5台应用超低排放技术的燃煤电站机组,对其除尘单元的烟尘深度脱除能力及湿法脱硫单元的协同除尘能力进行现场测试分析.结果表明,通过燃煤电站超低排放技术改造可显著降低烟尘排放水平.采用低低温电除尘、电袋复合、旋转电极及高频电源等技术对除尘单元进行超低排放改造,除尘设备出口烟尘浓度为10.89~22.94 mg/m3,除尘效率均在99.86%以上,且工况变化时脱除效率稳定.应用托盘、单塔双循环、双塔双循环等技术对湿法脱硫系统进行超低排放改造,测试期间WFGD系统出口烟尘排放浓度分别为2.09,10.48,20.40 mg/m3,WFGD系统协同除尘效率分别为87.18%,85.52%,79.80%.相比改造前烟尘协同脱除能力均有明显提升,其中双塔双循环WFGD系统对细颗粒的脱除能力显著高于单塔系统.
Abstract:
The dust removal capacity of the dedusting systems and the coordinated dust removal capacity of the wet flue gas desulfurization systems were tested in 5 coal-fired power plants with ultra-low emission technologies. The results show that the dust emission decreased obviously with the application of ultra-low emission technologies in power plants. With the low-low temperature economizer, electrostatic-fabric integrated precipitator, high-frequency power source technology, and rotating electrode electrostatic precipitator, the average concentrations of dust in the outlet of the precipitators are 10.89 to 22.94 mg/m3 and the dust removal efficiencies of the dedusting systems are higher than 99.86% in the range of 100%. With the tray tower technology, one-absorber two-section desulfurization technology and twin tower double circulation desulfurization technology, the average concentrations of dust in the outlet of the wet flue gas desulfurization systems are 2.09, 10.48, 20.40 mg/m3 respectively, and the dust removal efficiencies of WFGD are 87.18%, 85.52%, 79.80% respectively. The results also show that the removal efficiencies of fine particles in the twin tower double circulation desulfurization system are obviously higher than those in the single-tower system.

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备注/Memo

备注/Memo:
收稿日期: 2017-08-30.
作者简介: 周心澄(1993—),女,硕士生;杨林军(联系人),男,博士,教授,博士生导师,ylj@seu.edu.cn.
基金项目: 国家重点研发计划资助项目(2016YFC0203703).
引用本文: 周心澄,黄治军,潘丹萍,等.燃煤电站超低排放烟气颗粒物排放测试及特性分析[J].东南大学学报(自然科学版),2018,48(2):240-247. DOI:10.3969/j.issn.1001-0505.2018.02.008.
更新日期/Last Update: 2018-03-20