乙二醇蒸气喷射泵在聚酯装置中的应用

Application of EG Steam Ejector in Polyester Plant

乙二醇蒸气喷射泵是聚酯装置中真空系统的重要设备。简要介绍了喷射泵在聚酯装置中的作用,提出了喷射泵的布置及配管要求,阐述了喷射泵支架所用弹簧的选择原则。

EG steam ejector is an important equipment of the vacuum system in polyester（PET） plant. The effect of EG steam ejector in PET plant is introduced in this paper, the requirements of layout and piping about EG steam ejector are raised, and the principles for selection of springs about EG steam ejector are summarized.