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输油管道安装注意事项有哪些？

输油管道安装注意事项有哪些？

浏览：44次 | 提问时间： 07-07 04:20

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当时年少春衫薄 07-07 04:21

石油控制着一个国家的命脉，近几年随着中国的经济的飞速发展，中国消费市场对石油的需求也是越来越大。仅仅国内的石油供给，根本无法满足国内需求。这时候就需要从国外通过输油管道引入国内，这时候石油的管道输送就起到了很重要的作用。但是我国石油管道的施工技术还是比较原始的，主要靠人工，自动化程度较低，这个缺陷限制着我国石油行业的总体水平。本文就管道施工中的具体注意事项进行论述。

非要找 07-07 04:29

(1)安装立管时，先将管段吊正对准下层承口将管端插入，不可摇动挤入，用力应均
匀。要注意将三通口即甩口方向，对准横管方向。
　　(2)安装后立即将立管固定，用不低于楼板标号的细石混凝土堵好立管洞口。
　　(3)立管承口外侧与饰面的距离应控制在20—50mm。在立管上应间隔10m设置一个检查口。如有乙字管，则在该层乙字管上部设置检查口。检查口中心距所在地面高度为1m，允许偏差±20mm，并高于该层卫生器具上边缘150mm。检查口的朝向应便于检修，检查口盖的垫片一般选用厚度不小于3mm的橡胶板。
　　(4)安装立管时，一定要注意将三通口的方向对准横管方向，以免在安装时由于三通口
的偏斜而影响安装质量。三通口的高度，应根据横管的长度和坡度来确定。三通口中和楼板的净距不得小于250mm，但不得大于450mm。
　　(5)立管向上延伸出屋顶面的一般管道称通气管。通气管不能与风道、烟道连接，不宜
设在屋檐口、阳台下，要高出屋面0.3m以上，应大于最大积雪厚度。经常有人停留的平面屋顶，通气管应高出屋面2m。如通气管4m以内有门窗，则应高出窗顶600mm，或引向无门窗的一侧。通气管出口上应加做铁丝球网罩或透气帽。通气管安装后，管道与屋面接触处应做防水处理。
　　(6)立管安装完毕后，配合土建用不低于楼板标号的混凝土将洞灌满堵实，并拆除临时支架。如系高层建筑或管井内的管道，应按设计要求用型钢做固定支架。
希望我的回答可以帮助到你

1860的老街 07-07 04:37

您好。输油管道安装注意事项：对卧式容器的液体出口与泵吸入口连接的管道，若在通道上架空配管时，最小净空高度为 2200mrn ；与卧式容器底部管口连接的管道，其低点排液口距地坪最小净空为150mm；安全阀的出口排入密闭管道系统时，应避免积液，并满足安全阀出口管道顺介质流向成45°向下与密闭总管顶部相接，且无“袋形”。若安全阀安装在远离容器时，要校核从容器至安全阀入口管道的压力降。希望我的回答可以帮到您。

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