惠州石化有限公司连续重整装置工艺流程模拟与优化

doi:10.16085/j.issn.1000-6613.2016-2078

化工进展 ›› 2017, Vol. 36 ›› Issue (07): 2724-2729.DOI: 10.16085/j.issn.1000-6613.2016-2078

• 应用技术 • 上一篇

惠州石化有限公司连续重整装置工艺流程模拟与优化

孟凡辉, 纪传佳, 杨纪

中海油惠州石化有限公司, 广东惠州 516086

收稿日期:2016-11-14 修回日期:2017-01-04 出版日期:2017-07-05 发布日期:2017-07-05
通讯作者: 孟凡辉(1984-),女,硕士,主要从事重整装置工艺技术工作。
作者简介:孟凡辉(1984-),女,硕士,主要从事重整装置工艺技术工作。E-mail:muxinhun@163.com。

Process simulation and optimization for CNOOC Huizhou company's continuous reforming unit

MENG Fanhui, JI Chuanjia, YANG Ji

CNOOC Huizhou Petrochemical Limited Company, Huizhou 516086, Guangdong, China

Received:2016-11-14 Revised:2017-01-04 Online:2017-07-05 Published:2017-07-05

摘要/Abstract

摘要： 以惠州石化有限公司200×10⁴t/a连续重整装置为研究对象，采用英国先进技术公司KBC的流程模拟软件Petro-SIM，建立了预加氢部分、重整反应部分以及重整全流程模型，以期优化装置操作条件，改善装置的生产瓶颈。应用该模型分别对重整加权平均反应入口温度以及重整装置的3条分馏塔进行了优化分析。模拟结果得出，重整加权平均反应入口温度在520.7~521.7℃时，重整操作条件最优；预加氢产物汽提塔底温度在235℃、塔压在1.01MPa、进料温度在171℃时达到最佳的分离效果；重整脱戊烷塔塔压在1.02MPa、重整脱丁烷塔塔压在1.0MPa时塔的操作最优。通过实施优化措施，将重整加权平均反应入口温度由517.7℃提高至521℃，可增产芳烃2.7×10⁴t/a，氢气1.126×10⁷m³/a；分别将汽提塔塔压、脱戊烷塔塔压以及脱丁烷塔塔压由1.1MPa降至1.0MPa，共节约燃料气3.528×10⁶m³，多回收C₆环烷烃2.306×10⁴t/a。核算装置效益，全年可实现节能效益197.9万元，提升装置经济效益3128.8万元。

关键词: 连续重整装置, 模拟, 模型, 优化, 节能

Abstract: Using the Petro-SIM software,technicians established the pretreatment model,the catalytic reforming reaction model and the complete continuous catalytic reforming (CCR) process model which reflecting the actual operating conditions of 200×10⁴t/a reforming unit in Huizhou company of China national offshore oil corporation (CNOOC).The results showed that the reforming conditions are optimal when the inlet temperature at 520.7-521.7℃.The hydrogenation product stripper's bottom temperature at 235℃,the pressure at 1.01MPa and the feed temperature at 171℃.The best separation effect was obtained.The operation of the column is optimal when the reforming depentanizer's pressure is at 1.02MPa and the reforming butane tower's pressure at 1.0MPa.The models were applied to the analysis of reactor temperature and three fractionation columns,such as increasing the average weighted temperature from 517.7℃ to 521℃,the aromatics increased by 2.7×10⁴t/a and hydrogen increased by 1.126×10⁷m³/a.The pressures at the top of stripper tower,depentanizer and the butane tower were reduced from 1.1MPa to 1.0MPa respectively.The flue gas was decreased by 3.528×10⁶m³ and C₆ naphthenic increased by 2.306×10⁴t/a.Effective measures have been adopted to improve the operation of reforming unit,energy savings for the unit totaled 1.979 million yuan and annual economic benefits totaled 31.288 million yuan.

Key words: continuous reforming unit, simulation, model, optimization, energy saving

中图分类号:

TQ021.8

孟凡辉, 纪传佳, 杨纪. 惠州石化有限公司连续重整装置工艺流程模拟与优化[J]. 化工进展, 2017, 36(07): 2724-2729.

MENG Fanhui, JI Chuanjia, YANG Ji. Process simulation and optimization for CNOOC Huizhou company's continuous reforming unit[J]. Chemical Industry and Engineering Progress, 2017, 36(07): 2724-2729.

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惠州石化有限公司连续重整装置工艺流程模拟与优化

Process simulation and optimization for CNOOC Huizhou company's continuous reforming unit

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