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超细颗粒流化特性及团聚机理
引用本文:华彬,李春忠,胡黎明,韩今依,李洪钟.超细颗粒流化特性及团聚机理[J].过程工程学报,1994(4).
作者姓名:华彬  李春忠  胡黎明  韩今依  李洪钟
作者单位:华东理工大学技物所!上海,200237,华东理工大学技物所!上海,200237,华东理工大学技物所!上海,200237,华东理工大学技物所!上海,200237,中国科学院化工冶金研究所多相反应开放研究室!北京,100080
基金项目:国家自然科学基金,中科院多相反应开放实验室资助
摘    要:在直径40mm的流化床中,考察了Al2O3、CaCO3等超细颗粒的流化特性,测定了床层压降变化、床层的坍落及膨胀规律.通过对超细颗粒自团聚现象的分析,探讨了超细颗粒稳定流化的机理.

关 键 词:超细颗粒  流化床  团聚物

THE FLUIDIZATION CHARACTERISTICS AND AGGLOMERATION MECHANISM OF ULTRA-FINE PARTICLES
Hua Bin, Li Chunzhong, Hu Liming and Han Jinyi.THE FLUIDIZATION CHARACTERISTICS AND AGGLOMERATION MECHANISM OF ULTRA-FINE PARTICLES[J].Chinese Journal of Process Engineering,1994(4).
Authors:Hua Bin  Li Chunzhong  Hu Liming and Han Jinyi
Abstract:The fluidization characteristics of ultra-fine Al2O3, CaCO3 were studied in a fluidized bed with 40mm i.d. The bed pressure drop, bed collapsing and expanding curves were measured. By analyzing the phenomena of the spontaneous agglomeration of ultra-fine particles and fluid-dynamic agglomeration, the fluidization mechanism of ultra-fine particles was suggested.
Keywords:Ultra-fine particles  Fluidized bed  Agglomerate
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