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智能又节水 地铁列车这样“美容” 80%“洗澡水”可循环利用

南昌日报
2023/05/10 14:04
企业服务 行业研究 行业政策
资讯详情

时下,地铁成为众多市民出行的首选。那么,每天“早出晚归”的地铁是如何保持外观干净清爽的?日前,记者走进地铁洗车库,探访了列车“洗澡美容”的全过程。

  当天9时01分,南昌地铁1号线0101#列车第一个“下班”,结束早高峰任务,从艾溪湖东站驶回1号线瑶湖定修段,准备“洗澡”。

  “在南昌地铁各条线路车辆段内都有洗车房,这是为列车量身定制的洗车库。”南昌地铁1号线检修工杨正告诉记者,地铁每天穿梭不可避免沾染灰尘,而这些灰尘不仅影响美观,甚至还会影响列车设备的正常运转。因此,他所在的定修段,每天早晚都会进行一次列车“洗澡”,每月约清洗120趟列车。

  跟随杨正走入地铁列车的洗车库,记者看到专用洗车线轨道两旁,排列着六组12个不同样式的大毛刷。“洗车毛刷采用先进的柔软材质,不会对列车‘皮肤’造成刮伤,它们的安装角度、距离也都是根据车体‘量身打造’,确保清洗干净。”杨正介绍说。

  据介绍,列车“洗澡”分为端洗和侧洗。其中,端洗是指整车洗,包括车辆的车头、车尾、两侧,大约需要20分钟;侧洗是指专门清洗车辆两侧,大约需要10分钟。而列车的车顶则由人工进行擦拭,保洁人员每个月都会将车顶的24块空滤网拆下来全面清洗。

  “洗车库,0101#列车在洗车库前停妥。”列车司机范思磊用无线调度台呼叫。确认列车空调、雨刷、门窗关闭良好后,杨正按下“清洗开始”旋纽,列车缓缓前行,进入洗车库开始“洗澡”。

  “进入洗车库后,列车以3公里每小时的速度‘边走边洗’,光电开关一旦感应到列车后,便会自动开启毛刷和喷水管。要清洗完一辆列车,需经过8道工序,包括预冷预湿、端刷洗、初刷洗、次刷洗、精刷洗、终洗等。”杨正告诉记者,列车“洗澡”的重点在“洗头”。当车头来到前端刷停车位时,警灯闪烁,报警声响起,列车停止前行。两侧的端刷杆移到车头中间,慢慢升起毛刷,细管喷出带有洗涤剂的水,开始清洗列车前端。10分钟后,前端清洗完毕,列车前行。在尾部到达端刷停车位时再次停车,清洗尾部。

  10时不到,列车缓缓驶出洗车库,20分钟内完成整车自动清洗工作。

  “每列车的‘洗澡水’都会经过循环过滤、沉淀、消毒等处理,循环水利用率可达80%。”1号线瑶湖定修段车辆中心设备检修车间综合一班副班长钟军说,洗完列车的废水流入中央水沟,再排进两个集水坑,经过水质调节、沉淀、除菌等一系列流程,处理后的水回收至循环水池,可直接用于洗车。“只有最后的终冲洗是用自来水,其他清洗列车用水全是循环水,既减少污染又节约用水。”钟军说。

来源:南昌日报  声明:本文已注明转载出处,如有侵权请联系我们删除!

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