Material Drying
8 görüntüleme
PET Preform Missing Moisture Verification
Sorun Belirtisi
The process has not changed but hazy bottles appear intermittently.
Neden Analizi
Dryer dew point drift, molecular sieve failure or dehumidification system failure; environmental humidity changes make the drying capacity insufficient.
Çözüm
①Dew point online monitoring and alarm; ②regular regeneration/replacement of molecular sieves; ③clean the drying filter and air duct; ④strengthen verification in high-humidity seasons.
Temel Çıkarım
Intermittent haze = drying system state drift.
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