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工程设计学报
工程设计学报  2006, Vol. 13 Issue (6): 406-409    
工程设计理论、方法与技术     
超细粉体分级填料塔的结构设计
 江津河, 王立新, 王伟文, 李建隆
青岛科技大学 化工学院， 山东 青岛 266042
Structure design of super-fine powder classification tower with structured packing
 JIANG  Jin-He, WANG  Li-Xin, WANG  Wei-Wen, LI  Jian-Long
Department of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
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摘要： 从气固流态化原理出发介绍了分级填料塔的工作原理，借助波纹填料塔的一些计算方法，进行了超细粉体分级填料塔的结构设计。固体颗粒由于颗粒大小的不同，其重量亦不同，使其上升的曳力亦不同，故在固定风速下，不同粒径的颗粒在分级填料塔内由上至下实现分层，团聚的颗粒受到填料的不断冲击而达到分散，提高了整体的分级效果。将该设备用于固体颗粒的分级，取得了显著的分级效果，展现了广阔的应用前景。
关键词： 气固流态化;  分级;  分级填料塔    
Abstract: The principle of gas-solid fluidization and classification towers are introduced. Based on the calculation method of structured packing towers, the structure design of a classification tower with structured packing was made. Solid particles are separated into different fractions based on there size. Usually, there are three main important forces acting on particles in a classification tower: gravity, flotage and dragging force. If the particles are small, the flotage and dragging force will predominate and more particles with the air stream will go into the fine fraction. If the gravity of particles is greater than the flotage and dragging force, particles will deflected into the coarse fraction. As a result, the coarse fraction were went into the lower part of the tower, the reunited particles were distributed when they collided with structured packing, thereby, the classification towers has a ideal classification effect. It is demonstrated that the classification tower has a ideal classification capability from experiments.
Key words: gas-solid fluidization    classification    classification tower with structured packing
出版日期: 2006-05-28
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江津河
王立新
王伟文
李建隆

引用本文:

江津河, 王立新, 王伟文, 李建隆. 超细粉体分级填料塔的结构设计[J]. 工程设计学报, 2006, 13(6): 406-409.

JIANG Jin-He, WANG Li-Xin, WANG Wei-Wen, LI Jian-Long. Structure design of super-fine powder classification tower with structured packing[J]. Chinese Journal of Engineering Design, 2006, 13(6): 406-409.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/    或    https://www.zjujournals.com/gcsjxb/CN/Y2006/V13/I6/406

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