开式水管道冲洗措施.doc

目录一、工程概况··································································1 二、编制依据··································································1 三、冲洗应具备的条件·························································1 四、管道系统冲洗······························································· 1五、冲洗注意事项······························································· 2六、安全注意事项································································ 2 七、危险点分析及预防措施······················································3 八、环保注意事项······························································3 九、洁净化施工措施····························································3 十、措施性材料表如下···························································· 4十一、相关强制性条文···························································· 4 十二、开式循环冷却水冲洗系统图················································· 5 一、工程概况 Xxxxxxx 项目 4×330MW 级机组工程 7号机组开式循环冷却水冷却范围主要包括:闭式水板式换热器、水环式真空泵冷却器、发电机空气冷却器和汽轮发电机组冷油器。主要涉及设备包括:电动滤水器、闭式循环水热交换器、真空泵冷却器等。管道规格主要有以下几种: Φ529 ×6、Φ377 ×5、Φ325 × 、Φ273 × 、Φ219 ×6、Φ76× 等。 1、冲洗目的为保证管道系统内部清洁无杂物,使开式循环冷却水清洁度满足运行要求,检验系统的严密性,确保系统通畅无泄漏。 2、冲洗范围及方案冲洗范围包括开式循环冷却水母管及支管。二、编制依据 1、《电力建设施工及验收技术规范》( DL5031-2012 )(管道篇); 2、《电力建设安全工作规程》( -2002 ); 3、《火力发电建设工程启动试运及验收规程》[DL/T5437-2009 ]; 4、《电力建设施工质量验收及评价规程》管道篇( DL/T -2009 ); 5、《开式循环水管道安装图》西北电力设计院图纸 J1903 。三、冲洗应具备的条件 1、冷却塔水池清理干净,配水管安装牢固,水池防渗设施完好无缺,具备进水条件。 3、循环水系统安装完善,循环