| 新型垂直筛板在稀醋酸提浓塔改造中的应用 |
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| 引用本文： | 张剑波.新型垂直筛板在稀醋酸提浓塔改造中的应用[J].化工设计,1998,8(1):20-21. |
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| 作者姓名： | 张剑波 |
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| 作者单位： | 湖南省湘维有限公司 |
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| 摘 要： | 在聚乙烯醇装置稀醋酸提浓塔的扩改中，采用新型垂直筛板（ＮｅｗＶＳＴ），可扩大生产能力７０％以上，分离质量明显提高，大大降低了设备投资和生产费用。
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| 关 键 词： | 新型垂直筛板 共沸精馏 技术改造 |
Application of New VST in Modification of Concentration Tower for Diluted Acetic Acid |
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| Abstract: | By using new type vertical sieve tray (New VST) in the modification of concentration tower for diluted acetic acid in the polyvinyl acohol plant the production capacity has been increased for more than 70% and the separation quality was obviously better. Furthermore, the equipment investment and production cost were substantially reduced. |
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| Keywords: | New VST azeotropic distillation technical modification |
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