Modeling of segregation inmagnetized fluidized bed with binary mixture of Geldart-B magnetizable and nonmagnetizable particles
文献类型：会议论文
| 作者 | Zhu, Quanhong; Li, Hongzhong; Zhu, Qingshan; Huang, Qingshan |
| 出版日期 | 2018 |
| 会议日期 | JUL 07-10, 2017 |
| 会议地点 | Qingdao, PEOPLES R CHINA |
| 关键词 | Magnetized fluidized bed MAGNETICALLY STABILIZED BEDS Binary mixture COHESIVE PARTICLES Segregation HYDRODYNAMIC CHARACTERISTICS Model FERROMAGNETIC PARTICLES Agglomerate NUMERICAL-SIMULATION Force balance FLOW BEHAVIOR FIELD ADMIXTURE POWDERS STATE |
| 卷号 | 26 |
| 期号 | SI |
| DOI | 10.1016/j.cjche.2017.12.011 |
| 页码 | 1412 ; 1422 |
| 英文摘要 | For the magnetized fluidized bed (MFB) with the binary mixture of Geldart-B magnetizable and nonmagnetizable particles, the magnetically induced segregation between these two kinds of particles occurs at high magnetic field intensities (H), leading to the deterioration of the fluidization quality. The critical intensity (H-ms) above which such segregation commences varies with the gas velocity (U-g). This work focuses on establishing a segregation model to theoretically derive the H-ms-Ug relationship. In a magnetic field, the magnetizable particles for magglomerates. The magnetically induced segregation in essence refers to the size segregation of the binary mixture of agglomerates and nonmagnetizable particles. Consequently, the segregation model was established in two steps: first, the size of agglomerates (dA) was calculated by the force balance model; then, the Hms-Ug relationship was obtained by substituting the expression of dA into the basic size segregation model for binary mixtures. As per the force balance model, the cohesive and collision forces were 1-2 orders of magnitude greater than the other forces exerted on the agglomerates. Therefore, the balance between these two forces largely determined dA. The calculated dA increased with increasing H and decreasing U-g, agreeing qualitatively with the experimental observation. The calculated H-ms-U-g relationship agreed reasonably with the experimental data, indicating that the present segregation model could predict well the segregation behavior in the MFB with the binary mixture. (C) 2018 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved. |
| 源文献作者 | Chinese Acad Sci, Inst Proc Engn, Chinese Acad Sci, Qingdao Inst Bioenergy & Bioprocess Technol |
| 会议录 | Article; Proceedings Paper
 |
| WOS记录号 | WOS:000440837100020 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/28955]  |
| 专题 | 中国科学院过程工程研究所 |
| 推荐引用方式 GB/T 7714 | Zhu, Quanhong,Li, Hongzhong,Zhu, Qingshan,et al. Modeling of segregation inmagnetized fluidized bed with binary mixture of Geldart-B magnetizable and nonmagnetizable particles[C]. 见:. Qingdao, PEOPLES R CHINA. JUL 07-10, 2017. |
入库方式： OAI收割
来源：过程工程研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。