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《China Powder Science and Technology》 2006-04
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Study on Classification Capability of Mini-cyclones for Super-fine Powder

DANG Jun-xiang Li Gang Zhong Sheng-jun (Industrial Explosion Protection Institute,Northeastern University,Shenyang,110004,China)  
The classification features of mini-cyclones were investigated aiming to separate super-fine powder around 1μm from fine powder. Classification efficiencies of different particle diameters were measured in four types of mini-cyclones with different flow rates,and the experi- mental data were analyzed in the Rosin-Rammler coordinates.The ex- periments showed that the classification efficiency was a linear function of the Stokes number in Rosin-Rammler coordinates.The small cy- clones can be used to classify fine particles,and the cutting diameter can be as fine as 1.3μm.
【Fund】: 教育部归国留学人员基金项目,编号:L2004014508。
【CateGory Index】: TQ172.688
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