Evaluation of the mixing process based on a disintegrating rate model of the powder agglomerates

Munetake Satoh, Tatsumori Yoshida, Takeshi Yanagida, Tomohiro Iwasaki, Harumoto Kimura

研究成果: ジャーナルへの寄稿学術誌査読

7 被引用数 (Scopus)

抄録

The mixing process of powders in an agitation type of solid mixer was described based on a modified comminution model. The mixing procedure for the fine and adhesive powders was expressed by means of the disintegration process of the tracer agglomerates (iron-oxide) in the bulk powder bed (calcium carbonate) in this model. The hypothetical breakage region (maximum stress solid volume) formed around the impeller passing through the powder bed was defined as functions of the scale of the mixer vessel, the number of impeller blades and the rotary speed. Model parameters of the selection function and the breakage distribution function were determined by measuring the changing of size and distribution with time for the agglomerates of the tracer. The effects of the scale of the mixer and several operating conditions on the mixing processes were discussed using the presented model and experimental results.

本文言語英語
ページ(範囲)377-390
ページ数14
ジャーナルAdvanced Powder Technology
9
4
DOI
出版ステータス出版済み - 1月 1 1998
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 化学工学(全般)
  • 材料力学

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