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北京5万多辆出租车换尾气“滤嘴”

2017-09-04 15:57:16   千龙网

北京5万余辆出租车更换尾气“滤嘴”。图为师傅为出租车更换三元催化器。市交通委运输管理局供图 千龙网发

千龙网北京9月4日讯(记者 查甜甜)汽车尾气排放一度是主要的大气污染源,如何有效降低汽车尾气污染也成了保卫蓝天的重要一环。记者从北京市交通委运输管理局了解到,北京拥有出租车约7万辆。两年来,北京已累计更换使用两年以上三元催化器涉及5万余辆出租汽车。

相较于私家车,出租车更是一个“长跑者”。据有关机构研究表明,出租汽车使用两年后排放逐渐恶化,NOx、HC超标现象突出。

北京银建的士管理有限公司设施装备部总经理耿建光介绍,“出租车每两年需要更换一次三元催化器。”

据介绍,三元催化器,是安装在汽车排气系统中最重要的机外净化装置,它可将废气中的三种主要有害物质转化为无害物质。因此,定期更换出租汽车三元催化器是保障出租汽车排放正常达标,减少北京机动车排放污染的重要措施之一。

记者从北京市交通委运输管理局了解到,北京拥有出租车约7万辆。两年来,北京已累计更换使用两年以上三元催化器涉及5万余辆出租汽车。

据环保部门监测,北京出租汽车排放情况有明显改善。

更换过期的三元催化器不仅为蓝天作了贡献,也给出租车司机减轻了不少负担。北京银建一分公司出租车司机祁永新高兴地说,以前验车特别费劲,新更换三元催化器的出租车两年内免检,节省不少时间。

“而且使用的时间长了,特别容易堵,还废油。”祁永新将三元催化器比作人体的消化系统,自从3月份更换了三元催化器,循环畅通,跑起来轻松畅快不少。

“相较于原来的2小时,现在只要半小时便可完成更换。”耿建光表示,为了提高效率,在更换技艺和方式上也进行了改进,一辆出租车更换三元催化器的时间大大缩短。

据悉,为确保超期三元催化器及时更换,环保、交通、公安等部门,组织出租汽车运营企业和三元催化器生产企业、更换网点,建立了指挥、协调和更换联动机制,细化了实施计划,将200多家企业的5万余辆出租车与近百个专用工位逐一对应,安排到每个网点、每个驾驶员、每辆车、每个小时,各环节都明确了工作内容、衔接方式。

责任编辑:马丽丽 CL0938
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