J Cent. South Univ. Technol(2011)18: 374-380DOI:10.1007/s11771-0l1-07066SpringerModularized dry coal beneficiation technique based ongas-solid fluidized bedZHAO Yue-mi(趙躍民), LI Gong-min(李功民), LUO Zhen-fu(駱振福), LIANG Chun-chengi(梁春成),TANG LI-gang(唐利剛)3, CHEN Zeng-qiang(陳增強(qiáng)), XING Hong-bo(邢洪波)1. School of Chemical Engineering and Technology, China University of Mining and TechnologyXuzhou 22 1116. china2. Tangshan Shenzhou Manufacturing Co, Ltd, Tangshan 063001, China3. State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering,Chinese Academy of Sciences, Beijing 100190, ChinaC Central South University Press and Springer-Verlag Berlin Heidelberg 2011Abstract: A 40-60 t/h modularized dry coal beneficiation process with a novel method to control the bed was designed around agas-solid fluidized bed separator. Furthermore, the hydrodynamics of medium-solids consisting of wide-size-range magnetitepowder(0.3-0.06 mm)and