Material Drying
4 조회수
PET recycled bottle flakes agglomerate after drying
문제 현상
PET recycled bottle flakes agglomerate and bridge in the drying hopper and cannot feed normally.
원인 분석
Drying temperature is too high (>170°C); bottle flake surfaces soften and stick together; time is too long; low-melting-point PVC label residues are mixed in.
해결 방법
Control drying temperature ≤165°C; control material level ≤70%; add a stirring device to prevent bridging; strengthen sorting to remove PVC.
핵심 요약
Agglomeration of PET bottle flakes during drying is a common problem in recycling processing.
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