1A study on the 3-product coal slime flotation processLI Zhi-hong, DONG Lian-ping, YANG Hong-li, GAO Jian-chuan, LIU Ai-rong, FAN Min-qiangTest and Research1-3,92Analysis of the flow fields produced by and in the regions around the key components of a large-sized cylindrical coal flotation machine with a cell volume of 60m3LIU Chun-yanTest and Research4-93Experimental study on upgrading of coal slime-turned semi-coke through flotation processZHAO Liu-cheng, ZHAO Li-bing, LIU Li-weiTest and Research10-13,174Experimental study and preparation of BM compound coal slime flotation reagentSHEN Xiao-jun, LIANG Chuan-cheng, XIE Guang-yuan, MENG Fan-na, LI Ming-ming, WANG Hui-ping, SHAN Zhi-qiangTest and Research14-175Analysis of the factors affecting the free settling of slurry at Jining No.2 Mine Coal Preparation PlantSUN Qing-fangTest and Research18-20,296A study on the characteristics of the slurry water at Burtai Coal Preparation PlantDI Chuan-geng, QIAO Jun-qiangTest and Research21-247A study on the primary vibration spring of the double-mass horizontal vibrational discharge centrifugeZHANG Shuang-jiang, SHI Yong-chao, DONG Xiao-lei, KAN Xiao-pingTest and Research25-298Application of large-sized flip-flop screening machine in cleaning of power coalLIU Yu-miao, WANG Wei-wei, CHEN Li-long, ZHANG YingTechnology and Experiences30-32,369Application of the lump coal breaking prevention unit at Nanliang Coal Preparation PlantZHANG Lei, WANG Xing-you, ZHONG Ji-huTechnology and Experiences33-3610Application of the sinusoidal de-stoning machine in raw coal primary washing systemGAO Chong-xin, XU Cheng-hai, WANG Yun-pengTechnology and Experiences37-3911Technical modification for enhancing the wear resistance of reject chuting pipe at Tongxi Coal Preparation PlantCHEN Wen-wuTechnology and Experiences40-4212Renovation and optimization of the XZQ shallow-trough heavy-medium separatorLI BaoTechnology and Experiences43-46,5113Application of the coarse slime separation process at Lvjiatuo Mine Coal WasheryWEI Li-yong, LI Xiao-gang, LIU Xiang-dongTechnology and Experiences47-5114Technical transformation of the raw coal preliminary treatment system at Jiangzhuang Coal WasheryGAO Wen-yu, ZHAO Chi, JI Yu-hua, ZHOU Jun-xi, LIANG YanTechnology and Experiences52-5515Renovation of coarse slime recovery system and cleaning process at Wugou Coal Preparation PlantCUI Zi-xiang, JIANG Meng-yunTechnology and Experiences56-58,6316Analysis of the industrial performance of the clean coal slime sieve bend with an aperture size of 0.2 mmYU Chao-fu, LI Xiao-chen, GUO Jian-wei, WANG Chun-sun, YUAN Bo-wen, DING Xue-gangTechnology and Experiences59-6317Application of the raw coal sizing screen with renovated shape of opening of plateWANG Chen-sheng, SU FangTechnology and Experiences64-6718Analysis of the causes leading to the icing-up of the GBLN3 cooling tower during operation in winter and countermeasuresLIU Zhi-yongissue discussion68-70,8019Optimum renovation of medium consumption made at Nalinhe Coal Preparation Plant during its commissioning period-method and practiceLIU Da-wei, RONG Ling-kun, WANG Jian-zhongissue discussion71-7520Application of frequency converter-based constant-pressure water supply system in coal preparation plantPAN Dong-mingAutomation of Coal Preparation76-80 