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常坐火车出行的人一定对以前列车上的厕所有很深的印象。以前列车上的厕所的排污口直接通向轨道,污物随着冲洗的水流排出车外。这种厕所的学名叫作直通式厕所,由于这种厕所设备少,安装、操作、维护简单,使用也比较方便,因此我国铁路客车多数都使用这种厕所,从22型客车到25型客车,至今已数十年的历史。2002年,我国共有旅客列车约4万辆,日排放污染物3000多吨。列车运行中飞溅出的粪便不仅污染铁路沿线的环境,而且造成轨道及车辆零部件的严重锈蚀,给线路和车辆的维护工作带来了很大的困难。列车提速后更加剧了直排式厕所在运行中排放的粪便对周围环境以及车辆本身的污染。列车在高速运行时产生强大的气流,将旅客列车排出的污水雾化,给沿线的环境造成严重污染,给铁路周围居民的身体健康带来了严重的危害,也严重影响了铁路客车在公众中的形象。解决铁路客车厕所直排成为当务之急。
People who travel often by train must be impressed with the toilets on the previous train. In the past, the sewage outfall of toilets on the train directly led to the track, and the dirt was discharged out of the vehicle along with the flushing water flow. The name of this toilet is called straight-through toilets, because of this toilet less equipment, installation, operation, maintenance is simple, more convenient to use, so most of our railway passenger cars use this toilet, from the 22 bus to the 25 bus, Has decades of history. In 2002, there were a total of about 40,000 passenger trains in our country and over 3,000 tons of pollutants were discharged daily. The excrement splashed from the train operation not only pollutes the environment along the railroad but also causes serious corrosion of the tracks and vehicle parts and brings great difficulties to the maintenance of the lines and vehicles. The speeding up of the train further exacerbates the pollution of the environment and the vehicle itself caused by the excrement discharged from in-line toilets. When the train runs at high speed, the train generates strong air flow, atomizing the sewage discharged from the passenger train, causing serious pollution to the environment along the railway line, causing serious harm to the residents’ health around the railway and severely affecting the public transport image of. Solve the railway passenger toilet in line as a top priority.