【Q&A Question 085】2016.07.14
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【Q&A Question 085】July 14, 2016: What items should be checked before liquid removal in a dry gas seal? The answer key will be available after responding; scoring is based on addressing the key points. Monitor the main seal gas flow rate, leakage pressure, flare discharge volume, and secondary seal gas flow rate, and maintain good communication indoors.
1. Check the liquid level in the fluid collection tank； 2. Check the dry gas seal system for any leakage points ； 3. Check whether the drainage pathway is unobstructed ； 4. Check the operating condition of the dry gas seal system
What are the inspection items before liquid removal in a dry gas seal? Monitor the main seal gas flow rate, leakage pressure, flare discharge volume, and secondary seal gas flow rate, and maintain good communication indoors.
Check whether the backflow path for liquid removal is unobstructed?
This is a very difficult question to answer. The dry gas used as a sealing medium in our compressors is nitrogen; there is no liquid removal, but the medium itself exists. After cooling at the compressor outlet, there is a liquid separation tank from which the liquid is drained at regular intervals based on the liquid level
During the inspection, monitor the main seal gas flow rate, leakage pressure, flare discharge volume, and secondary seal gas flow rate, and maintain good communication indoors.
Monitor the main seal gas flow rate, leakage pressure, flare discharge volume, and secondary seal gas flow rate, and maintain good communication indoors.
Open all normally open pressure tapping valves in the system, activate on-site pressure gauges, transmitters, pressure switches, level gauges, etc., and inspect all pipelines as well as the connections at the union fittings.