燃料与化工 ›› 2015, Vol. 46 ›› Issue (1): 44-45.

• 煤气净化与化学产品加工 • 上一篇    下一篇

缩短萃取蒸馏单元的开工时间

王博 邵向策   

  1. 邢台旭阳煤化工有限公司, 邢台054000
  • 出版日期:2015-01-10

Shorten of start-up time of extractive distillation unit

Wang Bo  Shao Xiangce   

  1. Xingtai Xuyang Coal Chemical Co.,Ltd.,Xingtai 054000,China
  • Online:2015-01-10

摘要:

简述了粗苯加氢精制过程中萃取蒸馏单元的工艺流程,阐述了萃取蒸馏单元停工后开工的操作以及开工过程中出现的问题,分析了影响开工时间的因素,提出了缩短开工时间的方案和工艺,改进后可节约能耗,增加利润。

Abstract:

This paper introduces the process flow of extractive distillation unit in the process of crude benzol hydro\|refining,states the start-up operation of extraction distillative unit after shutdown,analyzes the factors influencing start-up,and provides proposal and process for shortening start\|up time. Improvement brings the effects of energy saving and profit increasing.

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