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蒸汽管道吹扫方案

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  • 2019-06-29 11:27:36

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蒸汽管道吹扫方案-aa7316b518e8b8f67c1cfad6195f312b3069eb05热电有限公司医药园医药园区内区内供热管道建设供热管道建设安装工程安装工程蒸汽管道蒸汽管道吹扫方案吹扫方案编制:编制:审核审核:批准:批准:日期:日期:20142014-0101-0202设备设备有限公司有限公司1目录一、工程概况„„„„„„„„„„„„„„„„„„„„„„„2二、蒸汽吹扫的目的和范围„„„„„„„„„„„„„„„„„2三、蒸汽吹扫应具备的条件„„„„„„„„„„„„„„„„„2四、蒸汽吹扫原则及要求„„„„„„„„„„„„„„„„„„3五、蒸汽吹扫合格的标准„„„„„„„„„„„„„„„„„„4六、吹扫程序„„„„„„„„„„„„„„„„„„„„„„„4七、蒸汽吹扫安全注意事项„„„„„„„„„„„„„„„„„5八、施工工具„„„„„„„„„„„„„„„„„„„„„„„„6九、安装单位人员组织„„„„„„„„„„„„„„„„„„„„72一工程概况工程概况本工程自医药园区外热电供热预留口接出一根DN100的蒸汽管线,沿生物医药园区内绿化带由东向西布置,终点为厦门海沧生物医药园区内13栋厂房。全线预留柒个DN50的管位。二蒸汽吹扫的目的和范围蒸汽吹扫的目的和范围1、吹扫目的蒸汽管线及进设备的蒸汽管线第一次投入使用之前必须进行吹扫,以清除管道内的杂质,否则蒸汽运行后,锈皮、焊渣、灰物等杂质的存在将影响蒸汽品质,并随蒸汽带到各设备,造成阀门堵塞及阀门密封面损坏,影响系统工况正常运行。2、吹扫范围热电有限公司生物医药园区内供热管道建设安装工程项目的蒸汽管道。起点从园区外热电供热蒸汽管网预留口,终点为生物医药园区13栋旁。全长约720米,全部规格为Φ108*4、20#GB/T30873-2008无缝钢管。三、三、蒸汽吹扫应具备的条件蒸汽吹扫应具备的条件1、蒸汽管道的焊口按比例无损检测合格。支架验收合格、管道水压试验合格、保温验收合格、管内积水排净。2、供汽管线具备提供压力为1.0Mpa,温度为250℃的合格蒸汽。3、已按要求预留吹扫口,吹扫口设在生物医药园内13栋处闸阀后,临时管道安装完毕,临时管道为:规格Φ108*4、20#GB/T3087-2008无缝钢管,吹扫口安装4Mpa压力表一个,临时管的安装质量(包括固定和支架)符合有关规定。4、吹扫蒸汽管道上的排空阀门

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