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燃煤工业锅炉PM2.5排放规律

Keywords: 燃煤工业锅炉,细微颗粒物(PM2.5),粒径分布,除尘器

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Abstract:

当前我国工业锅炉中最主要应用炉型为链条炉,是大气污染物排放的重要污染源之一。本研究利用基于荷电低压捕集器(ELPI)的颗粒物排放稀释系统,选取5台典型链条燃煤工业锅炉,对其除尘器的进口、出口和脱硫后3处进行细微颗粒物(PM2.5)的现场测试。粒径分布结果表明,粒数浓度较多在0.04~0.3μm范围内,质量浓度分布在0.08~0.25μm范围内呈单峰上升形态。除尘装置对PM2.5的捕集效率在50%左右,除尘效果较差;脱硫后有些级的颗粒物浓度不降反升。目前环境日趋恶劣,燃煤工业锅炉作为PM2.5的重要排放源,将是今后重点控制对象。

References

[1]  England G. C., Watson J. G., Chow J. C., et al. Dilution-based emissions sampling from stationary sources: Part I-compact sampler methodology and performance. Journal of the Air and Waste Management Association, 2007, 57(1): 65-78
[2]  余洁.中国燃煤工业锅炉现状.洁净煤技术, 2012, 18(3):89-92 Yu Jie. Status and transformation measures of industrial coal-fired boiler in China. Clean Coal Technology, 2012, 18(3):89-92(in Chinese)
[3]  S. Seames Whyne. An initial study of the fine fragmentation fly ash particle mode generated during pulverized coal combustion. Fuel Processing Teehnology, 2003, 81(2):109-125
[4]  王书肖, 赵秀娟, 李兴华, 等.工业燃煤链条炉细粒子排放特征研究.环境科学, 2009, 30(4):963-968 Wang Shuxiao, Zhao Xiujuan, Li Xinghua, et al. Emission characteristics of fine particles from grate firing boilers. Environmental Science, 2009, 30(4):963-968(in Chinese)
[5]  隋建才, 徐明厚, 丘纪华, 等.燃煤锅炉PM10形成与排放特性的实验研究.工程热物理学报, 2006, 27(2): 335-338 Sui Jiancai, Xu Minghou, Qiu Jihua, et al. Formation And Emission Characteristic of PM10 at the Coal-fired Utility Boiler. Journal of Engineering Thermophysics, 2006, 27(2):335-338(in Chinese)
[6]  李超, 李兴华, 段磊, 等.燃煤工业锅炉可吸入颗粒物的排放特征.环境科学, 2009, 30(3):650-655 Li Chao, Li Xinghua, Duan Lei, et al. Emission characteristics of PM10 from coal-fired industrial boiler. Environmental Science, 2009, 30(3):650-655(in Chinese)
[7]  于敦喜, 徐明厚, 易帆, 等.燃煤过程中颗粒物的形成机理研究进展.煤炭转化, 2004, 27(4): 7-12 Yu Dunxi, Xu Minghou, Yi Fan, et al. A review on particle formation mechanisms during coal combustion.Coal Conversion, 2004, 27(4): 7-12(in Chinese)
[8]  L. C. Senior, L. E. Bool, J. R. Morrency. Laboratory study of trace element vaporization from combustion of pulverized coal. Fuel Processing Technology, 2000, 63(1-2):109-124
[9]  Corio L. A., Sherwell J. In stack condensable particulate matter measurements and issues. Journal of Air and Waste Management Association, 2000, 50(2): 207-218
[10]  Chen Y., Sheng G., Bi X., et al. Emission factors for carbonaceous particles and polycyclic aromatic hydrocarbons from residential coal combustion in China. Environmental Science & Technology, 2005, 39(6): 1861-1867
[11]  L. Yan, R. Gupta, T. F. Wall. Fragmentation behavior of pyrite and calcite during high-temperature processing and mathematical simulation. Energy & Fuels, 2001, 15(2):389-394
[12]  周楠, 曾立民, 于学娜, 等.固定源稀释通道的设计和外场测试研究.环境科学学报, 2006, 26(5): 764-772 Zhou Nan, Zeng Limin, Yu Xuena, et al. The design and field test of a dilution tunnel for stationary sources. Acta Scientiae Circumstantiae, 2006, 26(5):764-772(in Chinese)
[13]  李兴华, 段雷, 郝吉明, 等.固定燃烧源颗粒物稀释采样系统的研制与应用.环境科学学报, 2008, 28(3): 458-463 Li Xinghua, Duan Lei, Hao Jiming, et al. Design and application of a dilution stack sampling system form ensuring particulate matter from stationary combustion sources. Acta Scientiae Circumstantiae, 2008, 28(3): 458-463(in Chinese)
[14]  Lipsky E. M., Robinson A. L. Design and evaluation of a portable dilution sampling system form ensuring fine particle emissions from combustion systems. Aerosol Science and Technology, 2005, 39(6):542-553
[15]  Braga C. F., Teixeira E. C., Meira L., et al. Elemental composition of PM10 and PM2.5 in urban environment in South Brazil. Atmospheric Environment, 2005, 39(10):1801-1815

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