2026-05-15
The core steps for adding (filling / refilling) molecular sieve to a nitrogen generator are: shutdown and pressure relief → tower cleaning → base laying → layered filling plus vibration compaction → sealing and pressing → air tightness test → low-load commissioning; oil prohibition, moisture proofing and compaction shall be implemented throughout the whole process, and the filling quantity error of the two towers shall be ≤±2%.