陕京输气管道北京段阀室的试压及清扫

鉴于陕京输气管道北京段的特殊地理位置,指出了阀室试压的重要性,介绍了对北京段上3个阀室进行试压和清扫的方法、过程及试压、清扫使用的设备,指出在试压清扫过程中利用阀室本身的结构和设施既经济又合理。分析了稳压阶段阀室系统压力变化的原因,提出了在阀室试压过程中出现的问题及其解决办法。

Pressure test and purging for the valve room at Beijing section in Shanjing gas pipeline

Points out the importance for valve room's pressure test in view of the special geological location of Beijing section in Shanjing gas pipeline; introduces the method of pressure test and purging, process and the equipment uaed for pressure test and purging applied to the three valve rooms at Beijing section 5 and points out that using the valve room structure and the equipment in it in the process of pressure test and purging will be economic and reasonable. At the same time, analyzes the reason of pressure change in valve room system during pressure stable period and points out the problem occurred in the period of valve. room's pressure test and the method to solve it.