化工学报 ›› 2011, Vol. 62 ›› Issue (8): 2216-2220.

• 过程系统工程 • 上一篇    下一篇

乙烯裂解炉先进控制系统开发与应用

李平,李奇安,雷荣孝,陈爱军,任丽丽,曹巍   

  1. 辽宁石油化工大学信息与控制工程学院,辽宁 抚顺 113001;中国石油兰州石化分公司自动化研究院,甘肃 兰州 730060
  • 出版日期:2011-08-05 发布日期:2011-08-05

Development and application of advanced process control system for ethylene cracking heaters

LI Ping,LI Qian,LEI Rongxiao,CHEN Aijun,REN Lili,CAO Wei   

  • Online:2011-08-05 Published:2011-08-05

摘要:

以中国石油兰州石化公司46万吨/年乙烯装置裂解炉为对象,设计并实施了5SC-1型乙烯裂解炉先进控制系统,包括平均COT温度控制、管间温度平衡控制、总进料流量控制。详细描述了该系统的工程实施,介绍了先进控制系统硬软件结构、先进控制与常规控制的切换逻辑、先进控制DCS操作界面。本系统的投用极大地提高了裂解炉控制的平稳性和控制精度,带来了显著的经济效益。

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Abstract:

The advanced process control systems for the SC-1 type ethylene cracking heaters at Lanzhou Petrochemical Company 460KTA Ethylene Plant were designed,including the average coil outlet temperature controllers,the pass outlet temperature balance controllers,the total throughout controllers. The software and hardware structure of the control systems,the switching logic between advanced control and DCS regular control,the DCS operation interface for advanced control were introduced. The control steadiness and control accuracy for cracking heaters are greatly improved by using the advanced process control systems,and remarkable economic benefit is obtained.

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