新疆新化公司硝酸尾气治理项目工艺管道安装施工方案批准：审核：编制：第2页共29页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共29页中化二建集团新疆新化工程项目部二O一一年十二月目录1.工程概况.....................................................................................................................42.编制依据.....................................................................................................................43.管道施工总体程序.....................................................................................................44.管道安装前的准备.....................................................................................................45.材料验收、保管、发放.............................................................................................55.1检验程序..................................................................................................................55.2检验要求..................................................................................................................55.3不锈钢管道、管件的检验......................................................................................65.4阀门检验..................................................................................................................65.5材料的保管..............................................................................................................75.6材料的发放..............................................................................................................76.管道预制.....................................................................................................................76.1管子的切割及坡口加工..........................................................................................76.2管子组对..................................................................................................................86.3管道预制..................................................................................................................8第3页共29页第2页共29页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第3页共29页6.4管道焊接..................................................................................................................97.管道预拼装及安装...................................................................................................197.1管道安装工序图（见下图）................................................................................197.2安装前的检查........................................................................................................197.3.预制管道现场拼装优先原则...............................................................................197.4管道安装................................................................................................................208.静电接地...................................................................................................................239.工艺管道试验...........................................................................................................2310.管道系统吹扫（见吹扫方案）.............................................................................2511.防止管道内部污染的控制措施.............................................................................2512.冬季施工措施.........
