| 涡流空气分级机“鱼钩效应”的实验研究 |
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| 引用本文： | 张宇,刘家祥. 涡流空气分级机“鱼钩效应”的实验研究[J]. 北京化工大学学报(自然科学版), 2004, 31(3): 51-54，58 |
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| 作者姓名： | 张宇 刘家祥 |
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| 作者单位： | 北京化工大学可控化学反应科学与技术基础教育部重点实验室,北京 100029 |
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| 基金项目： | 国家自然科学基金 , 上海宝钢集团公司资助项目 |
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| 摘 要： | 文中研究了涡流空气分级机分级过程中由于颗粒细化而导致在Tromp曲线上产生“鱼钩效应",导致分级效率降低。根据实验分析了在涡流空气分级机分级中,分级转笼转速、进口风速、给料固体浓度以及给料粒度对“鱼钩效应”的影响。对减弱粉体分级过程中的“鱼钩效应”、涡流空气分级机的操作,具有一定的指导意义。
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| 关 键 词： | 涡流空气分级机 鱼钩效应 分级效率 部分分级效率 涡流空气分级机 鱼钩效应 分级效率 部分分级效率 |
| 收稿时间： | 2003-11-04 |
| 修稿时间： | 2003-11-04 |
Experimental study on the "fish-hook effect" in a turbo air classifier |
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| Zhang Yu Liu Jia xiang. Experimental study on the "fish-hook effect" in a turbo air classifier[J]. Journal of Beijing University of Chemical Technology, 2004, 31(3): 51-54，58 |
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| Authors: | Zhang Yu Liu Jia xiang |
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| Affiliation: | The Key Laboratory of Science and Technology of Controllable Chemical Reactions; Ministry of Education; Beijing University of Chemical Technology; Beijing 00029; China |
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| Abstract: | The “fish-ook effect” in a turbo air classifier was studied experimentally. In terms of the experimental results, the factors influencing the “fish-ook effect” during the process of classification, such as the rotating speeds of the rotor, velocity of air inlet, feeding rate and the dimension of the particles of raw material were analyzed. These analyses are of great values to the study and solving of “fish hook effect”, and give a direction to the operation of a turbo air classifier and the production of powders. |
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| Keywords: | turbo air classifier fish-hook effect classification efficiency partial classification efficiency |
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