引用本文:朱法华,李小龙,段玖祥,李军状,张文杰.固定污染源排放可凝结颗粒物采样方法综述[J].环境监控与预警,2019,11(3):1-5
ZHU Fa-hua, LI Xiao-long, DUAN Jiu-xiang, LI Jun-zhuang,ZHANG Wen-jie.A Review of Sampling Methods of Condensable Particle Matter Emission from Stationary Source[J].Environmental Monitoring and Forewarning,2019,11(3):1-5
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固定污染源排放可凝结颗粒物采样方法综述
朱法华,李小龙,段玖祥,李军状,张文杰1,2
1.国电环境保护研究院有限公司,江苏 南京 210031;2.国电南京电力试验研究有限公司,江苏 南京 210046
摘要:
综述了国内外固定污染源可凝结颗粒物(CPM)冲击冷凝法和稀释冷凝法2种采样方法,指出CPM是固定污染源排放颗粒物的重要组成部分,国内对于固定污染源CPM排放的监测和研究尚处于起步阶段,缺乏必要的CPM采样标准方法。通过分析2种采样方法的优缺点,提出冲击冷凝采样法需进一步降低SO2等水溶性气体的影响,提高气相CPM冷凝效果及超细颗粒态CPM的捕集效率;稀释冷凝法需提高采样装置的便携性实现可过滤颗粒物(FPM)和CPM的分离采样,提高采样管路壁面颗粒物回收率。同时,针对我国固定污染源如燃煤电厂大量使用湿法脱硫设备的情况,CPM采样方法需提高对低温高湿且夹带液滴烟气采样的适用性。
关键词:  固定污染源  可凝结颗粒物  采样方法  冲击冷凝  稀释冷凝
DOI:
分类号:X701.2
文献标识码:A
基金项目:国家自然科学基金资助项目(41771498);国家重点研发计划基金资助项目(2017YFB0603203)
A Review of Sampling Methods of Condensable Particle Matter Emission from Stationary Source
ZHU Fa-hua, LI Xiao-long, DUAN Jiu-xiang, LI Jun-zhuang,ZHANG Wen-jie1,2
1. State Power Environmental Protection Research Institute Co.,Ltd., Nanjing,Jiangsu 210031, China;2.Guodian Nanjing Electric and Test Research Co.,Ltd., Nanjing, Jiangsu 210046, China
Abstract:
Two sampling methods of condensable particle matter (CPM), impinger condensation and dilution condensation, are reviewed. It is pointed out that CPM is an important component of particulate matter emitted from stationary sources. At present, the monitoring and study of CPM emission from stationary source are still at start up stage and there’s no standard sampling method in China. The advantages and disadvantages of the two sampling methods are analyzed. The impinger condensation sampling method is proposed to further reduce the influence of SO2 and other water soluble gases, improve the condensation effect of gas phase CPM and the capture efficiency of ultra fine particle CPM. The dilution condensation sampling method needs to improve the portability of the sampling device, realize the separation of filterable particulate matter(FPM) and CPM sampling, and improve the recovery rate of particles on the wall surface of the sampling tube. At the same time, in view of the widespread use of wet desulfurization equipment in stationary pollution sources such as coal fired power plants in China, the CPM sampling method needs to improve its applicability for low temperature, high humidity flue gas sampling with liquid droplets.
Key words:  Stationary source  Condensable particle matter  Sampling method  Impinger condensation  Dilution condensation