化工进展

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旋转填料床甲醇精馏工艺

陈 健，刘有智，栗秀萍   

  1. 中北大学超重力工程技术研究中心
  • 出版日期:2009-08-05 发布日期:2009-08-05

Distillation process of methanol in rotating packed bed

CHEN Jian，LIU Youzhi，LI Xiuping   

  1. University of North China，Shanxi Province gravity Chemical Engineering Research Center
  • Online:2009-08-05 Published:2009-08-05

摘要：

以甲醇-水混合液为物系，对转子内径为φ58 mm、外径为φ118 mm、高40 mm的旋转填料床进行精馏实验。结果显示，在低转速区旋转填料床的理论塔板数随气相动能因子F和超重力因子β的增大而增大，传质单元高度为0.9～1.2 cm；并建立了传质模型。

Abstract:

Distillation of methanol from methanol-water mixture has been carried out with a rotating packed bed. Having an inner diameter of φ58mm, an outside diameter of φ118mm and an axial depth of 40mm. Experimental results showed that the theoretical plate number of the rotating packed bed increases with the increase in the gas-powered factor F and the gravity factor β at low speed zones, the height of the mass transfer unit is 0.9 ~ 1.2 cm. A model for the mass transfer has been established .

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