横截面纵横比对鼓泡流化床中生物炭分离的影响
Influence of cross-sectional aspect ratio on biochar segregation in a bubbling fluidized bed.
作者信息
Park Hoon Chae, Choi Hang Seok
机构信息
Engineering and Construction Group, Samsung C&T, Seoul, 05288, Republic of Korea.
Department of Environmental Engineering, Yonsei University, Wonju, 26493, Republic of Korea.
出版信息
Sci Rep. 2022 Jun 22;12(1):10600. doi: 10.1038/s41598-022-14282-y.
In this study, computational particle fluid dynamics was applied to investigate the segregation characteristics of biochar in a bubbling fluidized bed. The aspect ratio of the bubbling fluidized bed was changed and the effects of the aspect ratio on the segregation characteristics were investigated. The segregation characteristics of a mixture of biochar and sand particles were analyzed in terms of bubble size distribution, pressure fluctuations, and mixing index. As the aspect ratio increased, the bubble size decreased, leading to a clearer segregation of biochar and sand particles. The mixing index of the biochar and sand particles decreased as the aspect ratio increased.
在本研究中，应用计算颗粒流体动力学来研究生物炭在鼓泡流化床中的分离特性。改变鼓泡流化床的纵横比，并研究纵横比对分离特性的影响。从气泡尺寸分布、压力波动和混合指数方面分析了生物炭与砂粒混合物的分离特性。随着纵横比的增加，气泡尺寸减小，导致生物炭与砂粒的分离更加明显。随着纵横比的增加，生物炭与砂粒的混合指数降低。
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