详细信息

超细颗粒流化特性及团聚机理    

THE FLUIDIZATION CHARACTERISTICS AND AGGLOMERATION MECHANISM OF ULTRA-FINE PARTICLES

文献类型:期刊文献

中文题名:超细颗粒流化特性及团聚机理

英文题名:THE FLUIDIZATION CHARACTERISTICS AND AGGLOMERATION MECHANISM OF ULTRA-FINE PARTICLES

作者:华彬[1];李春忠[1];胡黎明[1];韩今依[1];李洪钟[2]

机构:[1]华东理工大学技物所,上海200237;[2]中国科学院化工冶金研究所多相反应开放研究室,北京100080

年份:1994

卷号:15

期号:4

起止页码:348

中文期刊名:化工冶金

收录:北大核心:【北大核心1992】;CSCD:【CSCD2011_2012】;

基金:国家自然科学基金;中科院多相反应开放实验室资助

语种:中文

中文关键词:粉末冶金;超细颗粒;流化床;团聚物;床层

外文关键词:Ultra-fine particles, Fluidized bed, Agglomerate

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.
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.

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