北京农村地区燃煤污染物的排放测试
Emission factors test and pollutant discharge of raw coal fuel burning in Beijing countryside
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摘要: 针对农村地区燃煤炉灶设计了污染物排放因子测定系统,通过碳平衡法测定了不同炉灶不同燃料的污染物排放因子,从北京市延庆、怀柔、平谷和房山4个地区农户家中选取12种煤样,选取了北京地区应用广泛的10种土暖气炉和3种蜂窝煤炉分别测定了污染物排放因子数据。测定结果表明:土暖气炉燃烧劣质散煤的PM2.5和SO2的排放因子最高,分别为3.73 g·kg-1(干燃料)和1.78 g·kg-1(干燃料),燃烧优质散煤和煤球时的PM2.5排放因子依次减小,分别为3.33 g·kg-1(干燃料)和2.20 g·kg-1(干燃料)。优质散煤的SO2排放因子最低(0.16 g·kg-1(干燃料)),NOx的排放因子最高(2.99 g·kg-1(干燃料))。当考虑单位有效热量输出时,相对于劣质散煤,燃烧优质散煤和煤球PM2.5、SO2的排放因子有所下降,PM2.5分别减少了12.9%和8.4%,SO2分别减少了91.2%和73.8%,但优质散煤NOx排放因子增加了42.3%。结合调研数据,核算了北京农村地区燃煤污染物排放数据,结果表明,北京农村地区燃煤PM2.5排放总量为1.84万t,占本地污染排放的贡献率为11.2%~16.3%。Abstract: Emission factors testing system of pollutant discharge was designed for coal stoves in rural area. Calculation method was established with carbon balance theory. We chose 12 raw coal samples from Yanqing, Fangshan, Pinggu and Huairou districts in Beijing, China. We also chose 10 coal stoves and 3 honeycomb briquette stoves to test the pollutant emission, calculated the emission factors. The result shows the bad raw coal has the highest emission factor of PM2.5 (3.73 g·kg-1) and SO2(1.78 g·kg-1). The PM2.5 emission factor of good raw coal and ball coal is 3.33 g·kg-1 and 2.20 g·kg-1. But the good raw coal has the lowest SO2 emission factor(0.16 g·kg-1) and the highest NOx emission factor(2.99 g·kg-1). When the heat efficiency is considered, the PM2.5 emission factor of good raw coal and ball coal declines with 12.9% and 8.4% compared with the bad raw coal. The SO2 emission factor declines with 91.2% and 73.8%. While the NOx emission factor of the good raw coal increases with 42.3%.And then, using our survey data, we get the pollutant discharge amount of coal fuel used in Beijing countryside,the result is 18.4 thousand ton and it contributes 11.2% to 16.3% of local pollutant discharge.
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Key words:
- raw-coal burning /
- discharge of pollutant /
- emission factors
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[1] 李萌.京津冀农村清洁能源供热采暖成本降低路径研究[J].城市,2017(3):70-77 [2] 叶建东,章永洁,蒋建云,等.农村型煤替代散煤采暖对比分析[J].建筑节能,2016,4(10):102-103 [3] 徐钢,王春兰,许诚,等.京津冀地区散烧煤与电采暖大气污染物排放评估[J].环境科学研究,2016,9(12):1735-1742 [4] 虞江萍,崔萍,王五一.我国农村生活能源中SO2、NOx及TSP的排放量估算[J].地理研究,2008,7(3):547-555 [5] 支国瑞,杨俊超,张涛,等.我国北方农村生活燃煤情况调查、排放估算及政策启示[J].环境科学研究,2015,8(8):1179-1185 [6] 杜静,王平,张伟航,等.北京农村用能现状及改革路径分析[J].科技与创新,2017(8):24-25 [7] 章永洁,蒋建云,叶建东,等.京津冀农村生活能源消费分析及燃煤减量与替代对策建议[J].中国能源,2014,6(7):39-43 [8] 赵文慧,徐谦,李令军,等.北京平原区城乡结合部燃煤散烧及污染物排放量估算[J].环境科学研究,2015,8(6):869-876 [9] 刘源,张元勋,魏永杰,等.民用燃煤含碳颗粒物的排放因子测量[J].环境科学学报,2007,7(9):1409-1416 [10] 朱松丽.发展中国家农村民用炉灶的温室气体和污染物排放因子研究[J].可再生能源,2004(2):16-19 [11] 孙建中,支国瑞,陈颖军,等.居民生活用煤和生物质棕色碳排放因子研究[J].环境科学与技术,2016,9(S1):338-345 [12] 江亿,杨旭东,朱颖心,等.中国建筑节能年度发展研究报告[M].北京:中国建筑工业出版社,2013:94-100 [13] 钟连红,刘晓,李志凯,等.北京居民生活用煤大气污染控制思路与对策[J].环境保护,2015,3(Z1):77-78 [14] 蒋建云,章永洁,叶建东,等.北京农村地区燃煤供暖替代技术方案实效对比[J].暖通空调,2016,6(9):51-55 [15] 柴发合,薛志刚,支国瑞,等.农村居民散煤燃烧污染综合治理对策[J].环境保护,2016,4(6):49-50
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