Material Drying
4 조회수
Quality fluctuations in particle size, shape, and moisture during pelletizing
문제 현상
Quality fluctuations in particle size, shape, and moisture during pelletizing
원인 분석
Pellet cutting speed and extrusion speed not matched, particle size fluctuates
Pellet cutting tool worn, uneven cut, irregular particle shape
Cooling water temperature too high, particles stick together
Cellulose acetate butyrate pellets have high moisture content, need drying before use
Particles hollow or with bubbles after pelletizing
해결 방법
Match pellet cutting speed with extrusion speed
Regularly replace pellet cutting tools
Control cooling water temperature to prevent sticking
Dry after pelletizing under 75-85°C/3-4h conditions
Control extrusion temperature to avoid particle bubbles
핵심 요약
Pelletizing requires matched speed and drying
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