Why is the leakage amount of the dry gas seal reduced, and why is the leakage pressure lower?
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During unit operation, the leakage rate of the dry gas seal decreases as well as the leakage pressure. What could be the reason for this? After analysis, 1. Oil has entered the dry gas seal. 2. The static ring spring is stuck.
This is not a universal principle; it still requires analysis on a case-by-case basis. Such questions are only fit for what you use. For example, \"dry gas\" is used as a sealing gas as well as for instrumentation purposes; this is the case in many setups. This air source oil inlet should be classified as an accident level. Moreover, the only possible analysis is even more complex. It’s best to leave the specific answer to the questioner, for reference.
It is about discussing the reasons why the leakage amount of dry gas seals decreases and the leakage pressure drops
A low inlet pressure for the dry gas can also cause the problem you mentioned!
Leakage in the secondary seal can result in a low flow rate of gas at the primary seal
When the intake pressure is sufficient,
Check the flow rates and pressures of the primary and secondary seal gases. If there are valves on the leaky pipeline, check whether they are closed too tightly