Process analysis of a two-stage fluidized bed gasification system with and without pre-drying of high-water content coal
文献类型：期刊论文
| 作者 | An, Ping1,3,4; Han, Zhennan4; Wang, Kangjun4; Cheng, Jiguang4; Zhou, Jianhong4; Rizkiana, Jenny2; Abudula, Abuliti1; Guan, Guoqing1,3; Bai, Dingrong4; Xu, Guangwen4,5 |
| 刊名 | Canadian Journal of Chemical Engineering
 |
| 出版日期 | 2021-07-01 |
| 卷号 | 99期号:7页码:1498-1509 |
| 关键词 | Drying - Fluidized beds - Fluidized bed process - Gasification - Computer software - Calorific value - Coal |
| ISSN号 | 84034 |
| DOI | 10.1002/cjce.23879 |
| 英文摘要 | In order to investigate the gasification performance of coal with high water content, a two-stage fluidized bed gasification (TSFBG) system was systematically simulated by Aspen Plus to identify the effect of pre-drying for coal with its initial water content varying from 10-65 wt% on gasification performance, particularly energy efficiency. The results show that the energy efficiency based on lower heating value (LHV) (畏LHV) and higher heating value (HHV) (畏HHV) of feed coal are about 1.5%-7% and 1.5%-5% higher when coal is fed to the system directly without pre-drying. For the TSFBG system, the higher the water content, the greater the energy efficiency reduction by pre-drying. The analysis of energy allocations reveals that heat loss due to the pre-drying of coal is mainly responsible for the decrease of energy efficiency in operations with pre-drying. With an increase in the initial water content from 10 to 65 wt%, the 畏LHV of the TSFBG system without the pre-drying of coal using air/steam as gasification agent reaches its maximum of about 91% at an initial water content of 26 wt%. The 畏LHV and 畏HHV of the TSFBG system using oxygen/steam as gasification agent increases energy efficiency by about 1%-2% compared to that using air/steam. For TSFBG using air/steam to gasify coal without the pre-drying, the preferred initial water content of coal is below 50 wt%. 漏 2020 Canadian Society for Chemical Engineering |
| 学科主题 | Energy Efficiency |
| 项目编号 | High‐ ; Level Innovation Team Overseas Training Project of Liaoning, China, Grant/Award Number: 2018LNGXGJWPY‐ ; ZD002 ; National Key Research and Development Program of China, Grant/Award Number: 2018YFE0103400 ; National Natural Science Foundation of China, Grant/Award Number: U1908201 Funding informationThis work was financially supported by the National Natural Science Foundation of China (No. U1908201), the National Key Research and Development Program of China (No. 2018YFE0103400), and High‐ ; Level Innovation Team Overseas Training Project of Liaoning, China (No. 2018LNGXGJWPY‐ ; ZD002). |
| 出版者 | John Wiley and Sons Inc |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/60355]  |
| 作者单位 | 1.Graduate School of Science and Technology, Hirosaki University, Hirosaki, Japan 2.Department of Chemical Engineering, Institut Teknologi Bandung, Bandung, Indonesia 3.Laboratory of Energy Conversion Engineering, Institute of Regional Innovation (IRI), Hirosaki University, Aomori, Japan 4.Key Laboratory on Resources Chemicals and Materials of Ministry of Education, Shenyang University of Chemical Technology, Shenyang, China 5.State Key Laboratory of Multi-phase Complex System, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China |
| 推荐引用方式 GB/T 7714 | An, Ping,Han, Zhennan,Wang, Kangjun,et al. Process analysis of a two-stage fluidized bed gasification system with and without pre-drying of high-water content coal[J]. Canadian Journal of Chemical Engineering,2021,99(7):1498-1509. |
| APA | An, Ping.,Han, Zhennan.,Wang, Kangjun.,Cheng, Jiguang.,Zhou, Jianhong.,...&Xu, Guangwen.(2021).Process analysis of a two-stage fluidized bed gasification system with and without pre-drying of high-water content coal.Canadian Journal of Chemical Engineering,99(7),1498-1509. |
| MLA | An, Ping,et al."Process analysis of a two-stage fluidized bed gasification system with and without pre-drying of high-water content coal".Canadian Journal of Chemical Engineering 99.7(2021):1498-1509. |
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来源：过程工程研究所
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