| MMDI精馏塔隔板变形有限元分析 |
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| 引用本文： | 苏文献,刘海刚,韩超,马宁. MMDI精馏塔隔板变形有限元分析[J]. 压力容器, 2011, 28(2): 59-63. DOI: 10.3969/j.issn.1001-4837.2011.02.012 |
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| 作者姓名： | 苏文献 刘海刚 韩超 马宁 |
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| 作者单位： | 上海理工大学,化工过程机械研究所,上海,200093 |
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| 摘 要： | 某公司异氰酸酯和聚醚项目MMDI精馏塔在试运行过程中，发生隔板变形，使分离操作无法进行。采用有限元方法，考虑中间隔板完全无缺陷、有初始不平整缺陷和有初始应力3种情况下，隔板塔分别在温度加载、卸载、再次加载条件下的变形，根据计算结果，分析隔板变形的主要因素，并给出可行的解决方案。
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| 关 键 词： | 精馏塔 隔板 变形 有限元分析 |
Finite Element Analysis for Dividing Wall of MMDI Distillation Column |
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| SU Wen-xian,LIU Hai-gang,HAN Chao,MA Ning. Finite Element Analysis for Dividing Wall of MMDI Distillation Column[J]. Pressure Vessel Technology, 2011, 28(2): 59-63. DOI: 10.3969/j.issn.1001-4837.2011.02.012 |
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| Authors: | SU Wen-xian LIU Hai-gang HAN Chao MA Ning |
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| Affiliation: | SU Wen-xian,LIU Hai-gang,HAN Chao,MA Ning(Institute of Chemical Machinery & Process Equipment,University of Shanghai for Science and Technology,Shanghai 200093,China) |
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| Abstract: | During the trial operation of the isocyanate and polyether MMDI distillation column,the dividing wall is distorted,so that the distillation can not work on.Finite element method is used in this subject,considering the dividing wall with no flaw,out-of-flatness and with initial stress,the deformation during the temperature loading is studied,unloading and re-loading respectively.According to the results,main factors for deformation of dividing wall are analyzed and possible solutions are proposed eventually. |
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| Keywords: | distillation column dividing wall deformation finite element analysis |
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