北京地铁车厢内PM2.5和PM10污染特征研究  

Study on pollution characteristics of PM_(2.5) and PM_(10) in Beijing subway carriages

作　　者：卓思华 王立鑫[1] 庞雪莹[1] ZHUO Sihua;WANG Lixin;PANG Xueying(Beijing Key Lab of Heating,Gas Supply,Ventilation and Air Conditioning Engineering,Beijing University of Civil Engineering and Architecture,Beijing 100044)

机构地区：[1]北京建筑大学供热、供燃气、通风及空调工程北京市重点实验室,北京100044

出　　处：《环境污染与防治》2018年第9期1044-1048,1073,共6页Environmental Pollution & Control

基　　金：北京市教委科技计划项目(No.KM201410016014);北京建筑大学科学研究基金资助项目(No.331613017)。

摘　　要：地铁是人们出行的重要交通方式,车厢内颗粒物污染可影响人体健康。2016年春、秋、冬季对北京地铁1号、2号、4号、10号线进行现场监测,探讨北京地铁车厢内颗粒物污染特征。研究结果表明,北京地铁车厢内PM_(2.5)平均浓度超标率为83.8%~98.7%,地铁1号线PM_(10)平均浓度超标率为59.6%。地铁车厢内PM_(2.5)和PM_(10)浓度存在工作日和周末组间显著性差异,表明客运量对车厢内颗粒物浓度有较大影响。地铁车厢内PM_(2.5)和PM_(10)浓度存在季节性差异,冬季车厢内颗粒物平均浓度最高。不同线路车厢内PM_(2.5)和PM_(10)浓度存在组间差异,地铁通风空调系统、门系统和客运量是造成其差异的主要原因。Subway is an important trip mode for people,and particulate pollution in the carriages can affect human health.In this paper,the monitoring of particulate matter was carried out in Beijing subway Lines 1,2,4 and 10 in spring,autumn and winter of 2016,to explore the characteristics of particulate matter pollution in Beijing subway carriages.The results showed that the exceeding standard rate of PM2.5 average concentration in the carriages of Beijing subway Lines 1,2,4 and 10 was from 83.8%to 98.7%,and that of PM10 average concentration in subway Line 1 was 59.6%.There were significant differences of PM2.5 and PM10 concentrations between working days and weekends,indicating that the passenger volume had a great effect on the concentrations of particulate matter in the carriages.There were seasonal differences of PM2.5 and PM10 concentrations in the subway carriages and the average concentrations of particulate matter in winter were the highest.The concentrations of PM2.5 and PM 10 in different lines had the significant difference,and the main reasons might be the difference of the ventilation and air-conditioning system,the door system and the passenger volume.

关 键 词：地铁 PM2.5 PM10 客流量 

分 类 号：X513[环境科学与工程—环境工程]