Modeling of segregation inmagnetized fluidized bed with binary mixture of Geldart-B magnetizable and nonmagnetizable particles
文献类型：期刊论文
| 作者 | Zhu, Quanhong1,2; Li, Hongzhong1; Zhu, Qingshan1,3; Huang, Qingshan1,2
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| 刊名 | CHINESE JOURNAL OF CHEMICAL ENGINEERING
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| 出版日期 | 2018-06-01 |
| 卷号 | 26期号:6页码:1412-1422 |
| 关键词 | Magnetized fluidized bed Binary mixture Segregation Model Agglomerate Force balance |
| ISSN号 | 1004-9541 |
| DOI | 10.1016/j.cjche.2017.12.011 |
| 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. |
| WOS关键词 | MAGNETICALLY STABILIZED BEDS ; COHESIVE PARTICLES ; HYDRODYNAMIC CHARACTERISTICS ; FERROMAGNETIC PARTICLES ; NUMERICAL-SIMULATION ; FLOW BEHAVIOR ; FIELD ; ADMIXTURE ; POWDERS ; STATE |
| 资助项目 | National Natural Science Foundation of China[21325628] ; Major Research Plan of the National Natural Science Foundation of China[91334108] ; Scientific Instrument Developing Project of the Chinese Academy of Sciences[YZ201641] |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000440837100020 |
| 出版者 | CHEMICAL INDUSTRY PRESS |
| 资助机构 | National Natural Science Foundation of China ; Major Research Plan of the National Natural Science Foundation of China ; Scientific Instrument Developing Project of the Chinese Academy of Sciences |
| 源URL | [http://ir.qibebt.ac.cn/handle/337004/12346]  |
| 专题 | 中国科学院青岛生物能源与过程研究所 |
| 通讯作者 | Li, Hongzhong; Zhu, Qingshan |
| 作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 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[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2018,26(6):1412-1422. |
| APA | Zhu, Quanhong,Li, Hongzhong,Zhu, Qingshan,&Huang, Qingshan.(2018).Modeling of segregation inmagnetized fluidized bed with binary mixture of Geldart-B magnetizable and nonmagnetizable particles.CHINESE JOURNAL OF CHEMICAL ENGINEERING,26(6),1412-1422. |
| MLA | Zhu, Quanhong,et al."Modeling of segregation inmagnetized fluidized bed with binary mixture of Geldart-B magnetizable and nonmagnetizable particles".CHINESE JOURNAL OF CHEMICAL ENGINEERING 26.6(2018):1412-1422. |
入库方式： OAI收割
来源：青岛生物能源与过程研究所
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