| N-甲基吡咯烷酮生产分离系统的模拟计算与优化 |
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| 引用本文： | 李钰,许朝阳,王祖元,崔鹏.N-甲基吡咯烷酮生产分离系统的模拟计算与优化[J].应用化工,2012,41(2):369-372. |
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| 作者姓名： | 李钰 许朝阳 王祖元 崔鹏 |
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| 作者单位： | 1. 合肥工业大学化工学院,安徽合肥,230009
2. 安徽省化工设计院,安徽合肥,230009 |
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| 摘 要： | 应用化工流程模拟软件Aspen Plus对N-甲基吡咯烷酮生产工艺中的分离系统进行模拟,将脱轻塔和脱重塔的操作方式由间歇操作改为连续操作,并对连续操作的脱轻塔和脱重塔的塔板数、进料位置、回流比等操作参数进行了优化。结果表明,优化的脱轻塔和脱重塔的适宜塔板数、进料板位置、最佳回流比分别为10,6,0.10和18,11,0.375。在此条件下,产品纯度达到99.40%,符合分离要求。
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| 关 键 词： | N-甲基吡咯烷酮 ASPENPLUS 模拟 脱轻塔 脱重塔 |
Simulation and optimization of separation system for production of N-methyl pyrrolidone |
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| LI Yu
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XU Zhao-yang
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WANG Zu-yuan
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CUI Peng.Simulation and optimization of separation system for production of N-methyl pyrrolidone[J].Applied chemical industry,2012,41(2):369-372. |
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| Authors: | LI Yu XU Zhao-yang WANG Zu-yuan CUI Peng |
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| Affiliation: | 1 (1.School of Chemical Engineering,Hefei University of Technology,Hefei 230009,China;2.Anhui Institute of Chemical Engineering Design,Hefei 230009,China) |
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| Abstract: | ASPEN PLUS was used to simulate the separation system for the production of N-methyl pyrrolidone.The operation mode of de-light rectifying column and de-heavy rectifying column were changed from batch operation into continuous operation.The stage number,feed stage and reflux ratio of de-light rectifying column and de-heavy rectifying column were also optimized,the results of which were 10,6,0.10 and 18,11,0.375,respectively.The product purity could reach 99.40% on the condition of optimized working conditions,and met with separation requirements. |
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| Keywords: | N-methyl pyrrolidone Aspen Plus simulation de-light rectifying column de-heavy rectifying column |
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