这种方法用于燕化集团公司化工一厂乙二醇装置扩能改造中，获得了成功。
Such method is used in the revamping of EG plant in No. 1 Works of Yanshan Petrochemical Company, obtaining good results.
介绍了中国石化北京燕山分公司化工一厂，乙二醇装置的现状。从规模、技术、市场三方面论证了装置改造的必要性。
This paper introduces the current status of Yanshan ethylene glycol plant, demonstrates the necessity of plant modification from aspects of scale, technology and market.
应用PROCESS模拟程序，对乙二醇装置进行了流程模拟计算，确定了单元操作模型及热力学方法，计算结果与国外设计数据相吻合。
The process simulation is performed for ethylene glycol plant by using the PROCESS simulation programme, and the unit operation model and the thermodynamic method are determined.
介绍了乙二醇单甲醚回收装置的工艺流程、操作控制及其应用效果。
The technological process and operational control of glycol monoethyl ether's recovery package and applied effect were introduced.
为此，增加一套原油与乙二醇水溶液分离装置，保证了乙二醇的供应量，从而维持了正常生产。
However, normal production is resumed by adding a new crude oil and glycol solution separation unit to ensure the supply of glycol.
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。
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.
二手乙二醇回收装置和工艺，成套乙二醇回收装置和工艺可在世界各地重新安装。
Used Ethylene Glycol Recovery Plant and Process, complete Ethylene Glycol Recovery Plant and Process for re-location throughout the world.
二手乙二醇回收装置和工艺，成套乙二醇回收装置和工艺可在世界各地重新安装。
Used Ethylene Glycol Recovery Plant and Process, complete Ethylene Glycol Recovery Plant and Process for re-location throughout the world.
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