A New Mathematical Model for Description of the Liquid Discrete Flow Within a Packed Bed
A New Mathematical Model for Description of the Liquid Discrete Flow Within a Packed Bed作者机构：College of Materials Science and Engineering Chongqing University Chongqing 400044 China College of Chemistry and Chemical Engineering Chongqing University Chongqing 400044 China State Enhance Laboratory of Ferro Metallurgy Shanghai University Shanghai 200072 China School of Materials and Metallurgy Northeastern University Shenyang 110004 Liaoning China
出 版 物：《Journal of Iron and Steel Research(International)》 (钢铁研究学报（英文版）)
年 卷 期：2008年第15卷第6期
页 面：16-23页
核心收录：
学科分类：080602[工学-钢铁冶金] 0806[工学-冶金工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 0801[工学-力学（可授工学、理学学位）] 0702[理学-物理学]
基 金：Item Sponsored by National Natural Science Foundation of China(50704040)
主 题：mathematical model liquid discrete flow packed bed blast furnace ironmaking process
摘 要：The molten liquid discrete flow inside a packed bed is a typical transport phenomenon in the blast furnace. As for the reported mathematical models presenting the liquid discrete flow within the packed bed, there are some barriers for their application to an engineering scale-up, or some imperfections in model descriptions. To overcome these deficiencies, the effects of the packed bed on the liquid discrete flow have been divided into resistance action and dispersal action, and appropriate descriptions have been given for the two aetions, respectively. Consequently, a new mathematical model has been built to present the liquid discrete flow inside a coke bed in the blast furnace. The mathematical model can predict the distribution of liquid flux and the liquid flowing range inside the packed bed at any time. The prediction of this model accords well with the experimental data. The model will be much better for the simulation of the ironmaking process, compared with the existent model.
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