Material Drying
3 조회수
PET regeneration drying management
문제 현상
After the dryer molecular sieve has been used for two years, the dew point cannot be raised
원인 분석
The adsorption capacity of the molecular sieve decays with use, and when regeneration is incomplete, the drying capacity is gradually lost; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
Establish a molecular sieve life ledger; force a regeneration check when the dew point exceeds -30℃; replace every 2-3 years; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
The molecular sieve is a consumable, and its life is managed by the dew point indicator; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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