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                            神皖马鞍山电厂推进除盐水一期母管改造工程

                            作者: 方映山,崔岩 来源: 神皖能源 发布时间: 2020-09-10 字号:【

                            9月上旬,国家能源集团神皖能源马鞍山电厂持续推进化水至主厂房除盐水一期母管改造工程。此项工程计划工期14天,更换除盐水母管400米。

                            该厂一期两台机组投产至今已25年,管道连续运行年数长,部分阀门及地下管道出现不同程度的锈蚀与破损,存在除盐水供应的安全隐患。为确保机组除补水、化学再生用水、炉内加药等设备的正常除盐水供应,该厂全面启动一期除盐水母管更换工作,将原有衬胶母管全部差拆除更换为管道ζ内径为250毫米的不锈钢管,并将管道顺延至3号、4号机组,管道全长约400米,更换完成后与原至二期除盐水补水管道并列运行,另在4号机组补水箱处设置切换隔离ζ 阀,以确保满足机组除盐水补水需求。此次水管更换工作工程量大,预计工期14天。

                            在施工期间需要停用一期除盐水母管,4台机组的补给水量全部通过二期除盐水母管保障供给,化水运行方式薄弱。为高效处理可能出现化学用水供应短缺的应急状态,该厂精心准备、周密部署,组织化学运行人员制定应急预案,开展除盐水供应不足的应急演练和反事故演习,筹备必需的生产应急物,全力以赴应对突发事件;重点对化水除盐水的生产,化水再生系统的生产,炉内加药系统的工作提出具体要求,责任到岗、到人,确保一期除盐水母管更换工作稳步推进。

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