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石油化工设计 ›› 2020, Vol. 37 ›› Issue (1): 32-35.doi: 10.3969/j.issn.1005-8168.2020.01.009

• 工艺优化 • 上一篇    下一篇

EO/EG转产精制环氧乙烷工艺的方案研究

王炜   

  1. 中国石化工程建设有限公司，北京 100101
  • 收稿日期:2019-09-30 接受日期:2019-09-30 出版日期:2020-04-23 发布日期:2020-04-23
  • 通讯作者: 王炜,wangwei@sei.com.cn E-mail:wangwei@sei.com.cn
  • 作者简介:王炜，男，1999年毕业于中国石油大学（华东）化工工艺专业，学士，现任工艺室专业副总工程师，高级工程师，主要从事石油化工领域设计工作。联系电话：010-84876830；E-mail：wangwei@sei.com.cn

Study on Technical Scheme of Switching EO/EG Production to PEO Production

Wang Wei   

  1. SINOPEC Engineering Incorporation, Beijing, 100101
  • Received:2019-09-30 Accepted:2019-09-30 Online:2020-04-23 Published:2020-04-23
  • Contact: Wang Wei,wangwei@sei.com.cn E-mail:wangwei@sei.com.cn

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摘要： 依托某环氧乙烷/乙二醇（EO/EG）装置转产改造项目，首次实现了通过新增环氧乙烷（EO）精制系统与原EO精制系统串联操作，使反应器当量环氧乙烷（EOE）能力的80%以上用于生产精制环氧乙烷（PEO）产品，实现乙二醇转产环氧乙烷。新增EO精制塔采用新型高效塔盘以满足扩能需求，采用优化的加热控制系统适应更宽的进料组成，并开发了集成的排醛系统来控制新增EO精制塔产品中的醛含量

关键词: 精制环氧乙烷, EO精制塔, 排醛, 加热控制, 高效塔盘

Abstract: Relying on a transformation project of EO/EG unit, a new ethylene oxide (EO) purification system was installed to operate with the existing one in series, so that over 80% of the EOE (ethylene oxide equivalent) capacity of the reactor could be used for PEO production, thus switching EG production to PEO production for the first time. High efficiency trays were installed in the new EO column to meet the requirements of capacity expansion, the heating control system was optimized to adapt to the more complicated feed composition, and an integrated aldehyde removal system was developed to control the aldehyde concentration in the new EO column.

Key words: PEO, EO purification column, aldehyde removal, heating control, high efficient tray

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