| 网角塔板流体力学和传质性能的研究及在酒精精馏中的应用 |
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| 引用本文： | 朱宪 钱加林. 网角塔板流体力学和传质性能的研究及在酒精精馏中的应用[J]. 化工学报, 1990, 41(4): 476-482 |
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| 作者姓名： | 朱宪 钱加林 |
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| 作者单位： | 上海科学技术大学,上海科学技术大学,上海科学技术大学,上海科学技术大学 上海,上海,北享化工学院化工系,上海,上海 |
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| 摘 要： | 网角塔板是一种以压延金属板网为面板、以角钢塔板为底盘、重叠而成的复合塔板.从流体力学、乙醇-水二元系精馏及水-空气-氨吸收试验的结果表明,该塔板具有压降低、操作弹性宽、分离效率高、结构简单等优点.网角塔板应用于酒精精馏的实际生产业已取得令人满意的结果.
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| 关 键 词： | 网角塔板 精馏塔 酒精 塔板 |
Hydrodynamics and Rectification Experiments ofPerforangle Plate and Its Application toAlcohol Production |
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| Zhu Xian,Qian Jielin,Shen Wenhao andWang ShouhengShanghai University of Science and Technology,Shanghai. Hydrodynamics and Rectification Experiments ofPerforangle Plate and Its Application toAlcohol Production[J]. Journal of Chemical Industry and Engineering(China), 1990, 41(4): 476-482 |
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| Authors: | Zhu Xian Qian Jielin Shen Wenhao andWang ShouhengShanghai University of Science Technology Shanghai |
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| Abstract: | The perforangle plate is a compound column plate composed of perforated plate and angle plate. The hydrodynamics experiments were conducted for the combinations of weir heights of 30mm and 50mm, perforated plate aperture of 26%, 39%, 52% and angle plate aperture of 8.8%, 12.8% in a plexiglass tower 250mm in diameter. The NH3-H2O-air absorption experiments were also conducted in this apparatus. The rectification for ethanol-water system at infinite reflux, was performed under atmospheric pressure for the combinations of weir heights of 30mm and 50mm, and perforated plate aperture of 32.5%, 17.45% and angle plate aperture 8.39% in a stainless steel tower 257mm in diameter. Some useful equations for engineering design were obtained. The advantages of high separation efficiency, low pressure drop and wide operation range of perforangle plate have been confirmed by alcohol production. |
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