Articles & Issues
- Language
- English
- Conflict of Interest
- In relation to this article, we declare that there is no conflict of interest.
-
This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright © KIChE. All rights reserved.
All issues
Effect of Surface Morphology on the Flow of Entrained Fine Particles by Ascending Gas through Packed Beds
1Department of Applied Chemistry and Chemical Engineering, Kagoshima University, Kagoshima, Japan 2Department of Material Physics and Chemistry, Graduate School of Engineering, Kyushu University, Fukuoka, Japan
hidaka@cen.kagoshima-u.ac.jp
Korean Journal of Chemical Engineering, November 1999, 16(6), 852-855(4), 10.1007/BF02698365
Download PDF
Abstract
Coarse particles of glass or cokes were packed in vertical columns, 1- and 2-m in height, and fine particles of glass or coke were entrained through the columns by the ascending gas flow. These systems were used as a model to investigate the flow of fine coal particles introduced into a blast furnace. The effects of properties of packed particles, as well as fines, on the static and dynamic holdups of fines were then investigated. The static holdup of fines was strongly affected by the surface roughness of the packed particles, while the dynamic holdup of fines was not. These results suggest that the fine particles are trapped in the form of static holdup in the isolated narrow spaces bounded with packed particles, and that they remain on the surface of the packed particles which are exposed to the gas flow for only a short period of time.
References
Aoki R, Nogami H, Tsuge H, Miura T, Furukawa T, ISIJ Intern., 33, 646 (1993)
Ariyama T, Sato M, Asakawa Y, Kag. Kog. Ronbunshu, 22, 171 (1996)
Chen J, Nogami H, Akiyama T, Takahashi R, Yagi J, ISIJ Intern., 34, 133 (1994)
Hidaka N, Iyama J, Matsumoto T, Kusakabe K, Morooka S, Powder Technol., 95(3), 265 (1998)
Hidaka N, Matsumoto T, Kusakabe K, Morooka S, J. Chem. Eng. Jpn., 32(2), 197 (1999)
Kusakabe K, Yamaki T, Morooka S, Matsuyama H, Tetsu-to-Hagane, 77, 1407 (1991)
Kusakabe K, Yamaki T, Morooka S, Tetsu-to-Hagane, 77, 1413 (1991)
Shibata K, Shimizu M, Inaba S, Takahashi R, Yagi J, ISIJ Intern., 31, 434 (1991)
Sugiyama T, Tetsu-to-Hagane, 82, 29 (1996)
Yagi J, ISIJ Intern., 33, 619 (1993)
Yamaoka H, Tetsu-to-Hagane, 77, 403 (1986)
Yamaoka H, Tetsu-to-Hagane, 77, 2194 (1986)
Ariyama T, Sato M, Asakawa Y, Kag. Kog. Ronbunshu, 22, 171 (1996)
Chen J, Nogami H, Akiyama T, Takahashi R, Yagi J, ISIJ Intern., 34, 133 (1994)
Hidaka N, Iyama J, Matsumoto T, Kusakabe K, Morooka S, Powder Technol., 95(3), 265 (1998)
Hidaka N, Matsumoto T, Kusakabe K, Morooka S, J. Chem. Eng. Jpn., 32(2), 197 (1999)
Kusakabe K, Yamaki T, Morooka S, Matsuyama H, Tetsu-to-Hagane, 77, 1407 (1991)
Kusakabe K, Yamaki T, Morooka S, Tetsu-to-Hagane, 77, 1413 (1991)
Shibata K, Shimizu M, Inaba S, Takahashi R, Yagi J, ISIJ Intern., 31, 434 (1991)
Sugiyama T, Tetsu-to-Hagane, 82, 29 (1996)
Yagi J, ISIJ Intern., 33, 619 (1993)
Yamaoka H, Tetsu-to-Hagane, 77, 403 (1986)
Yamaoka H, Tetsu-to-Hagane, 77, 2194 (1986)
