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上海石化主动无害化处理停用长输管线

2017-09-25 13:26:53   央广网

央广网上海9月25日消息(记者吴善阳 通讯员胡拥军)深埋地下的输油管线,停用后不是弃之不顾,而是以成熟工艺技术予以无害化处理,确保周边环境的安全环保——日前竣工的中国石化上海石化股份公司至陈山成品油管线隐患治理工程,凸显了该公司的社会责任与担当。

无害化处理的整个过程包括,先是彻底清除管线残油并检验合格后,分路段开挖施工井,然后以冷切割方式切开管道,向管道内注入按比例掺加辅助添加剂的水泥浆,固化后封闭管内空间,经质监站、设计单位、监理单位等检验确认达到设计无害化处理要求后,回填施工井,恢复施工场地原貌。

据了解,这两条经过无害化处理的长输管线是陈金1号线、2号线,其首站位于平湖市乍浦镇的陈山油库,末站位于上海市金山区卫九路上海石化储运部六车间,长度均约22公里,横跨浙沪两地。其中,1号线建于1975年7月,2号线建于1990年8月,两管线从建成投用到停用及留存至今,分别为42年和27年。

两根长输管线在建设初期,都处于人烟稀少之地。但随着城乡发展,管线沿线人口日益稠密,出现管道被占压、安全防护区域被侵占等情况,滋生了安全隐患。

为保证人民生命财产的安全,上海石化根据企业生产经营的实际情况,先后停用了陈金1号线、2号线,并另外申请选址新建了一条输油管线。

旧管线虽然停用,但管道内的残油并未清除,仍存在着一定的安全和环保风险。为消除这种安全和环保风险,今年5月初,上海石化打响了长输管线无害化处理攻坚战。

据介绍,由于两根管线管径大、埋地段长,周边施工环境复杂,沿途地方部门单位多协调难度大,给施工的安全环保和时间进度带来很大压力。

该公司克服重重困难,周密安排计划,优化无害化处理流程,并在作业中严格执行程序,保证了陈金1号、2号管线作业过程中的零污染,以及项目完工后的无危害。

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