Explanatory notes on the key articles set forth in the National Standard GB/T 40503-2021 measuring methods for secondary coal slime content in coal preparation plantREN Liqin, DING Guangyao, XU Hongna, WU Dawei, WANG Peng, LIU Tao, GUO Jianwei, ZHAO Lijuan1-6
Study of graphitization of coking coal and changes and migration of coal-series mineralsYAO Zongxu, DU Chenxian, ZHOU Zhengqi, YANG Jianguo7-13
Sparrow search algorithm optimized material pressure filtration process simulation modelLIU Huizhong, YOU Keshun14-19
Study on structural design of the split-type bell-shaped cowl of vertical scraper-discharge centrifugeYANG Jie, ZHANG Snuangjiang24-28
Study and application of the key technologies for coal washing with complete recovery of coal slimeGAO Yingui, ZHOU Wei, ZHU Wenliang, PENG Jiasong, CAO Yongwen, LIU Liangliang, WANG Shujie29-34
Study and practice of structural optimization of the pressure-fed 3-product heavy medium cycloneZHAGN Liqiang, DU Huantong, ZHANG Weijun35-39
Practice of renovation of the flotation system of Fuxing Coal Preparation PlantLIU Chunyuan, CAI Zhenkuan, PING Guangming40-44
Application of the intelligent 3-mass high-frequency fine screen in coal slime dewatering and ash reduction processYAN Junke, LU Zhiming, WANG Lichen45-49
Analysis of the causes leading to the high consumption of medium at Ningdong Mine Coal Preparation Plant and countermeasuresYANG Yongfeng50-55