Effects of sintered metal distributor on fluidization quality of the air dense medium fluidized bed

查看全文 作　　者：Yang Xuliang Zhao Yuemin Luo Zhenfu Chen Zengqiang Song [1]Shulei

机构地区：[1]School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou 221008, China

出　　处：《Mining Science and Technology》索引2011年第21卷第5期,共5页

基　　金：The financial support by the Natural Science Foundation of China for Innovative Research Group (No. 50921002) and Key Projects(No. 51134022) in Coal Joint Fund provided by National Natural Science Foundation-Shenhua Group 摘　　要：Dry coal beneficiation using an air dense medium fluidized bed (ADMFB) requires the formation of a sta- ble and uniform bed from the dense medium. Others have shown that the structure and geometric parameters of the air distributor have a significant influence on the experimentally observed fluidization quality. In this study we used a sintered metal distributor (SMD) in the ADMFB separator and study its effect on the fluidization quality. The results show that for the same open area ratio (OAR), a smaller aper- ture in the SMD will provide improved fluidization quality. If aperture size is held constant bigger open area ratios result in improved fluidization quality. And, the fluidization quality also improves when the pressure drop across the SMD increases. A model relating distributor pressure drop and the geometric parameters of the SMD is also proposed. 关键词：空气重介流化床质量改善烧结金属经销商几何参数空气分配器 SMD 流态化

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Effects of sintered metal distributor on fluidization quality of the air dense medium fluidized bed

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