济南铁路局部分旅客空调列车空气质量检测结果分析

目的]了解旅客列车空气质量状况,为制定相关措施提供依据。方法]2007年1月至2010年5月对济南铁路局96列192节空调旅客列车车厢空气进行检测分析。结果]合计检测96列车192节车厢,各指标合格率,二氧化碳(CO2)、可吸入颗粒物(IP)、细菌总数、甲醛开车前为88.54%、88.54%、90.63%、95.83%,开车后为78.13%、76.56%、75.00%、90.63%(P<0.05);风速、一氧化碳(CO)开车前为95.83%、89.58%,开车后为91.67%、78.13%(P>0.05)。风速、CO、CO2、甲醛冬季为93.14%、88.24%、80.39%、92.16%,夏季为90.00%、78.89%、75.56%、88.89%(P<0.05)。各指标检测值,风速、CO2、COI、P、细菌总数、甲醛均为开车后高于开车前(P<0.05);CO、CO2、甲醛、细菌总数冬季高于夏季(P<0.05);硬座车厢与卧铺车厢,一等座与二等座差异均无统计学意义(P>0.05)。结论]济南铁路局旅客列车总体状况较好,夏季、开车后污染物浓度较高。

Analysis on Air Quality Surveillance Results in Air Conditioned Passenger Trains in Ji'nan Railway Bureau

Objective]To understand different passenger train air quality conditions,so as to provide the basis for the development of relevant measures.Methods]Test analysis was made on 192 air-conditioned cars of 96 trains in Ji'nan Railway Bureau from January 2007 to May 2010.Results]A total 192 car were tested,the qualified rate,before starting the qualified rate of speed 95.83%,the qualified rate of carbon dioxide 88.54%,the qualified rate of carbon monoxide 89.58%;Respirable particulate matter the qualified ra...