Material Drying
3 조회수
PPSU hopper drying requirements
문제 현상
PPSU hopper drying heat preservation and sealing; inlet air temperature and dew point control.
원인 분석
PPSU hopper drying requires sufficient heat preservation and minimal leakage; inlet air temperature maintains pellets at 135℃; dew point -40℃; sufficient time; uniformity.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
해결 방법
①Hopper heat preservation and sealing; ②inlet air temperature monitoring; ③dew point detection; ④time assurance; ⑤uniformity verification.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
PPSU hopper drying is a common method; condition control is the key to effect; monitoring ensures quality.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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