Dear all.
I am in charge of operating and managing gas pipeline.
I have questions about pipeline purge.
Here is my questions.
- After completing pipeline construction, we will serve natural gas in new pipeline.
Normally, we follow up the procedures as below.
a) pipeline completion -> nitrogen purge -> c) natural gas service and compression.
However, we will add dried-air purge to remove remanent water in pipeline.
a) pipeline completion -> dried-air purge -> c) nitrogen purge -> d) natural gas service and compression.
In this case, I am concerned about the increase of possiblity of explosion due to residual dried-air in pipeline, which pressure is higher than
atomspheric pressure.
My question is whether dried-air purge is appropriate measure in aspect of safety.
And is there better way to remove remanent water in pipeline?
thank you..