PET熔体长距离输送影响因素探讨

摘要

介绍了PET熔体长距离输送工艺流程，重点分析易对PET熔体输送带来不利影响的因素，如熔体压力降、停留时间、管道粗糙度、焊缝品质等，并针对熔体输送的不利因素，提出了相应的解决方案，对熔体直纺设计、实践提供必要的参考。%Introduces the PET melt long distance transPortation Process,focus on analysing the disadvantage factors of PET melt conveying,such as melt Pressure droP,residence time,PiPe roughness,welding quality and so on. Ac﹣cording to these disadvantage factors of melt conveying,Put forward reasonable solution,Provide the necessary refer﹣ence on melt sPinning design and Practice.