1Analysis of China's coal preparation research hotspots and technical requirementsYANG Jianguo, ZHOU You, ZHOU LixiOverview1-72Mechanism of energy dissipation of coal pulverizing system of coal-fired power plant and energy conservation and consumption reduction measuresHE Yaqun, XIE Weining, WANG Shuai, HUANG Yong, WEI Hua, WANG Haifeng, ZHANG FengbinExperiment & Research8-143Experimental study on flotation of fine coal using compound collector M5419 at Jinjia Mine Coal Preparation PlantFU Jiangang, LI Zheng, JIA Yang, WU Kai, HUANG Yetian, ZOU ShiyunExperiment & Research15-194Study on the factors affecting the leaching-out of alumina from coal refuseXU Yan, PENG Deqiang, LIU Jingyu, XU DeyongExperiment & Research20-22,275Experimental study on separation performance of conical-disk cyclone clarifierLIU Chengbo, YANG Xinghua, LIU Peikun, ZHANG Yuekan, NIU ZhiyongExperiment & Research23-276Study on the promoting effect of Diglycolamide Laurate in flotation of long-flame coalXU Chentao, CHENG Hongzhi, SHI HuanExperiment & Research28-317Study on mathematical modelling for calculating free settling terminal velocity of particles in teetered bed separatorZHANG Yinchuan, XU Chunjiang, TIAN Zhongkun, QI ZhengyiEquipment & Technology32-358Experimental study on the feasibility of rewashing of middlings using pressure-fed 3-stage heavy medium cycloneCAO Hui, SHEN Kezhong, ZHAO Long, WANG XiangzhenEquipment & Technology36-399ANSYS-based modal analysis of sizing crusher's split-type frame assemblyMA HaoEquipment & Technology40-4210The optimum scheme for preventing clogging of the shallow-bath heavy medium separator's upward current systemWANG Zhenlong, ZHU Ziqi, SU Cuihua, ZHANG Xinyuan, CHEN Wen, LIU YuanliEquipment & Technology43-4711Preliminary design of the TLL1400 vertical scraper discharge centrifugeZHANG Shuangjiang, TONG XiulinEquipment & Technology48-5012A study on the management mode of specialized coal preparation plant operation enterpriseYAN Dongqing, WANG Jin, CHEN XinboOperation & Practice51-54,6213Application of the thin-shell spherical coal silo and belt conveyor gantry at Hulusuo Coal Preparation PlantWEI ZhongkuanOperation & Practice55-5814Notes on pneumatic cleaning plant power consumption conversion coefficient specified in the standard GB 29446-2012 < The Norm of the Power Consumption per Ton of Coal Cleaned >XIA Yunkai, ZHU LiweiOperation & Practice59-6215Effect of scalping-out of coarser particles from thickener underflow on operation of coal washeryLI HaijunOperation & Practice63-6516Practice of treatment of extremely difficult-to-wash coking coal at Aivergou Coal WasheryZHANG ChangmingOperation & Practice66-68,9517Development and application of the vertical screw discharge centrifuge's basket-scraper clearance adjusterQIN YuzhenOperation & Practice69-7118Optimization of the coarse slime separation process and equipment at Huaibei Coal Preparation PlantMENG Xiangmin, ZHAO QingOperation & Practice72-74,7719Design and field application of the pneumatically-operated conveyor belt cleanerZHANG JunpingOperation & Practice75-7720Practice of separation of pyrite sulfur using heavy-medium cyclone at Ganbazi Coal WasheryYU YangOperation & Practice78-80