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我国燃煤电厂颗粒物排放特征

贺晋瑜 燕 丽 雷 宇 汪旭颖

贺晋瑜, 燕 丽, 雷 宇, 汪旭颖. 我国燃煤电厂颗粒物排放特征[J]. 环境科学研究, 2015, 28(6): 862-868.
引用本文: 贺晋瑜, 燕 丽, 雷 宇, 汪旭颖. 我国燃煤电厂颗粒物排放特征[J]. 环境科学研究, 2015, 28(6): 862-868.
HE Jinyu, YAN Li, LEI Yu, WANG Xuying. Emission Characteristics of Particulate Matter from Coal-Fired Power Plants in China[J]. Research of Environmental Sciences, 2015, 28(6): 862-868.
Citation: HE Jinyu, YAN Li, LEI Yu, WANG Xuying. Emission Characteristics of Particulate Matter from Coal-Fired Power Plants in China[J]. Research of Environmental Sciences, 2015, 28(6): 862-868.

我国燃煤电厂颗粒物排放特征

基金项目: 国家环境保护公益性行业科研专项(201309072)

Emission Characteristics of Particulate Matter from Coal-Fired Power Plants in China

  • 摘要: 基于我国燃煤电厂(不含港、澳、台数据,下同)的燃烧技术及颗粒物控制技术分类,建立了燃煤电厂颗粒物排放计算方法. 利用该方法,分析了2000─2010年我国燃煤电厂颗粒物排放量及分布特征. 结果表明:我国燃煤电厂颗粒物排放量自2000年起持续增加,于2005年达到最高值(375×104 t),其中PM10、PM2.5排放量分别为237×104、129×104 t;此后逐年降低,2010年降至166×104 t,其中PM10、PM2.5排放量分别降至126×104、85×104 t. 随着静电除尘及湿法脱硫的普及,颗粒物中PM2.5所占比例由2005年的34.3%升至2010年的51.2%. 我国燃煤电厂颗粒物排放地区分布不均衡,2010年内蒙古、山东、河南、江苏、山西和广东六省区的排放量占全国排放总量的44%. PM2.5排放因子也因各省燃煤电厂颗粒物排放控制技术不同而产生差异,其中煤粉炉、循环流化床锅炉的PM2.5排放因子分别为0.35~0.75、0.27~0.90 kg/t. 从机组规模影响来看,单台容量在30×104 kW以下的燃煤机组是粗颗粒(PM>10)的主要来源,而在30×104 kW以上的燃煤机组对PM2.5排放贡献(64.6%)较大,这主要与这类燃煤机组静电除尘和湿法脱硫的安装比例高有关.

     

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  • 刊出日期:  2015-06-25

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