Modeling the Granulation of Powdered Materials by Rolling

被引：8
|
作者：
Kelbaliyev, G. I. [1 ]
Samedli, V. M. [1 ]
Samedov, M. M. [1 ]
机构：
[1] Azerbaijan Natl Acad Sci, Nagiyev Inst Chem Problems, Baku, Azerbaijan
来源：
THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING | 2011年 / 45卷 / 05期
关键词：
DROPLET SIZE; AGGLOMERATION; NUCLEATION; GROWTH;
D O I：
10.1134/S0040579511040051
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The construction of a complex model for the granulation of powdered materials in drum-type granulators is considered, taking into account structure anisotropy and layering on a surface. It is noted that granulation proceeds in several stages depending on the relaxation time of nucleation. The graphical interpretation of the layering of powder on the surface is given using the model. A rheological model for the consolidation of granules under the effect of external deforming stresses is presented that makes it possible to estimate the variation of porosity and density with the residence time. A comparison between calculated and experimental results is given.
引用
收藏
页码：660 / 666
页数：7
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