天然气门站工艺管道安装技术

Technologies for Installing Pipelines Natural Gases Pipelines in Gas Stations

天然气门站通常有计量、加臭、过滤等功能,自动化程度较高。工艺流程中包括配管区、进站与出站阀门井等,其中不乏埋地敷管及地面工艺管道。以西安市天然气门站为例,天然气由进站经过三条汇管及其配备的仪表、设备、阀门后出站。文章叙述了门站工艺施工中的材料选用以及设备、管道安装、焊接、法兰安装、钢支座的施工与探伤、吹扫、强度试验、气密性试验、防腐等后续工序。

The paper gave an account of the selection of materials and certain follow-up processes in theconstruction of gas stations,including equipment,installation of pipelines,weld,flange installation,steel supportinstallation,flaw detection,purging,intensity test,air tight test,anti-corrosion,etc.