首页|Low Density Dry Coal Beneficiation Using an Air Dense Medium Fluidized Bed
Low Density Dry Coal Beneficiation Using an Air Dense Medium Fluidized Bed
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For the production of low ash content clean coal, separation at low density is required for some raw coals. Based on analyzing the fluidizing characteristics of magnetic pearls with a specific size distribution and formation mechanism of a microbubble fluidized bed, optimal technological and operating parameters suitable for low density coal separation were determined. The experimental results show that an air dense medium fluidized bed with low density can be formed using magnetic pearls as medium solids, which can efficiently beneficiate coal of 6-50 mm size with a probable error E_p value of 0.05 at a separating density of 1.44 g/cm~3.
fluidized bedmedium solidsbeneficiation
LUO Zhen-fu、ZHU Jian-feng、FAN Mao-ming、ZHAO Yue-min、TAO Xiu-xiang
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School of Chemical Engineering and Technology, China University of Mining & Technology, Xuzhou, Jiangsu 221008, China
2007
Journal of China university of mining & technology
NETL
NSTL
