地铁列车客室空气污染因子分析

地铁列车客室空气质量已引起高度重视。通过对监测数据的统计分析,依据相关标准,分析了列车客室内空气污染因子及产生的原因,并提出了降低与防治污染因子的措施。其中,挥发性有机物、苯系物、CO、SO2的浓度较低,满足相关标准要求,对人群健康的危害不大;氨、细菌总数、可吸入颗粒物、CO2等指标部分超标,需加强管理;CO2和氨在人员密集的车厢内浓度超标,可采用加强通风或增加空气净化设备的措施以改进空气质量。

Analysis of Air Pollution Factors in Subway Carriage

The quality of air in subway carriage arouses great attention in the public.According to the statistical analysis on monitored data and the related protocols,air pollution factors and main sources of pollution in carriage are analyzed,corresponding measures are proposed.In which,the volatile organic chemicals,benzene series,CO and so on are not very harmful because of the low concentration,while ammonia,the total number of bacteria,PM and CO2 must be strictly controlled,strong ventilation and air clean equipment must be installed to improve the air quality in subway carriage.