1Development process and future outlook of the high efficiency energy-efficient packaged heavy medium cyclone coal separation technologiesREN Liqin, GAO Mei1-62Points for discussion about issues regarding flotation efficiencyWU Dawei, REN Liqin7-153Proposal on schemes for cleaning the coal for chemical use under the strategic goals of achieving carbon peaking and neutralityZHANG Zhenhong16-204A brief account of the development of the gravity-fed 3-product heavy medium cycloneZHANG Yulei, MIAO Qingli, GAO Heping, YANG Kai21-255The current situation of coal dry cleaning equipment in ChinaCHEN Wenmao, CHEN Xinbo, ZHU Jianfei, XIE Yongxin26-306Quality efficiency of coal jigging separationYUAN Jinzhao, Wu Dawei, Zhao Jiawei, Geng Hao31-357Experimental study on separation of small anthracite coal with SID-F dry separatorXIAN Guolin, HU Bingsheng, SONG Junchao, JIA Jinxin36-398Kinetic and static analysis of the designed impact-hammer crusher casing open/closing mechanismWEI Yilong40-449Technological Innovation of the washing processes and equipment of the anthracite coal washeryZHANG Xinmin, LAN Chao, WANG Yonghong45-4910Solutions to the problems encountered by Taihang Iron and Steel Coal Preparation Plant in commissioning and trial operation of washing systemsCHEN Huilong50-5411Application of the S-3GHMC1100/910/660 super heavy medium cyclone at the Lvjiatuo Mine Coal Preparation PlantDING Guangyao, LI Xiaogang, ZHAO Lijuan, YANG Chunyu, FAN Liguang, CHANG Miao55-6112Application of the BIM technology in Jixi Luheng Coal Preparation PlantLI Duo62-6613Application of the LWZ1600×2400B large screen-bowl dewatering centrifuge at coking coal preparation plantWANG Peng, YAO Weimin, LI Suozhu, LI Baowen67-7214Application of the air separator for preremoval of gangue from raw coal at Xiaohezui Coal MineMA Changqing, YAN Yong, SONG Junchao73-7615Analysis of the problems arising in washing of raw coal from different sources in an alternate manner and remedial measuresFENG Qinghuan77-8016Application of the DZSN2828 intelligent 3-mass fine desliming screen at Xipang Coal Preparation PlantZHANG Minggang, WANG Lei, LU Zhiming81-8417Design and application of the medium draining screen's screenplate detachment detection deviceWANG Meng85-8818Application of template and profile gauges in process for checking and inspection of flotation machineZHANG Dongling, HAN Xu, WANG Lichen, TANG Chunli89-9319The EMD and classifier ensemble-based ball bearing fault diagnosis methodJing Zhi, Zhang Chunlong94-98 