The vacuum system process of PET unit,the design of EG steam ejector shape and support,the selection of support spring and the main points in the ejector pipe design are introduced.

 
  • 介绍聚酯装置的真空系统的流程、乙二醇蒸气喷射泵的外型型式设计、支座设计、支座弹簧选择及乙二醇蒸气喷射泵配管设计中的要点。
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