Causes and prevention of powered support jammed in fully-mechanized top coal caving mining face in ultra thick seam with watery roof
Xu Gang;Department of Mining and Design;Tiandi Science and Technology Company Limited;Mining and Design Branch;China Coal Research Institute;

..............page:1-5

Surface movement law of underground wide strip mining under super thick loess layer and parameter optimization
Yu Xueyi;Guo Wenbin;Zhao Bingchao;Liu Zhangrong;School of Energy;Xi’an University of Science and Technology;MOE Key Lab of West China Mining and Disaster Prevention and Control;Xi’an University of Science and Technology;Mining College;Hulunbuir University;

..............page:6-10

Stability of interval rock pillar between steep inclined ultra thick seams dynamically affected to coal mining face
Chen Jianqiang;Shenhua Xinjiang Energy Company Limited;

..............page:11-16

Roof falling control technology of conveyor tail in fully-mechanized ultra high cutting coal mining face
Feng Xiaobin;Daliuta Mine;Shenhua Shendong Coal Group Corporation Ltd.;

..............page:17-21

Inspection and application of blasting and pressure released technology to mine pressure bump prevention and control
Gu Helong;Nan Hua;Wang Wen;Xu Chengchuan;Lin Dong;School of Energy Science and Engineering;Henan Polytechnic University;Wuhan Design and Research Institute Company Limited;China Coal Technology and Engineering Group;

..............page:22-26

Analysis on roadside control technology of gob-side entry retaining and applicable conditions
Cao Shugang;Chen Xianzhe;Yang Hongyun;Wang Shuai;Zou Dejun;State Key Laboratory of Coal Mine Disaster Dynamics and Control;Chongqing University;Chongqing Vocational Institute of Engineering;

..............page:27-33

Coal wall spalling mechanism and prevention technology of unstable seam with soft roof,soft coal and soft floor
Han Hongqiang;Wang Zhenjiang;Guo Bingbing;School of Safety Engineering;Henan Institute of Engineering;Key Lab of Cultivation Base of Henan Provincial College and University;

..............page:34-38

Study on instability mechanism and control technology of mine roadway in continued breaking region
Wei Sijiang;Nan Hua;Xu Yaohui;School of Energy Science and Engineering;Henan Polytechnic University;Henan Provincial Coordinative Innovation Center of Coal Safety Production;Guqiao Mine;Huainan Coal Group Co.;Ltd.;

..............page:39-44

Experiment study on gas absorption effect promoted by temperature reducing of coal mass
Yue Gaowei;Wang Zhaofeng;Xie Ce;Li Xiaojun;School of Civil Engineering;Henan Polytechnic University;School of Safety Science and Engineering;Henan Polytechnic University;

..............page:45-49

Study and application of guide slot directional hydraulic pressurized penetration and permeability improved technology
Li Yanzeng;Shenyang Research Institute;China Coal Technology and Engineering Group;State Key Lab of Coal Safety;

..............page:50-54

Study on drilling technique of high level directional long borehole
Yan Baoyong;Chongqing Research Institute;China Coal Technology and Engineering Group;National Key Laboratory of Gas Disaster Detecting;Preventing and Emergency Controlling;

..............page:55-58

Optimized design and application of three dimensional gas drainage boreholes in driving face
Li Yun;Yuwu Coal Industry Company Co.;Ltd.;Shanxi Lu’an Group;

..............page:59-63

Study on porous structure difference of soft coal and hard coal based on mercury intrusion method
Gu Yifan;Wang Zhaofeng;Qi Lingling;School of Safety Science and Engineering;Henan Polytechnic University;Henan Provincial Key Lab of Gas Geology and Gas Control-Cultivation Base of Provincial and Ministry Joint State Key Lab;

..............page:64-67

Advanced control method and theoretical analysis on reversed airflow of mine main shaft in winter
Nie Baisheng;Guo Jianhua;Zhao Bi;Wang Chunliang;Li Mogeng;School of Resources and Safety Engineering;China University of Mining and Technology;State Key Lab of Coal Resources and Safety Mining;China University of Mining and Technology;

..............page:68-72

Study on coupling simulation of gas and coal spontaneous combustion in high gassy and easy spontaneous combustion goaf
Pei Xiaodong;Zhang Renwei;Ma Weinan;MOE Key Lab of Mine Gas and Fire Prevention and Control;China University of Mining and Technology;School of Safety Engineering;China University of Mining and Technology;

..............page:73-77

Relationship between oxidized spontaneous combustion zone and nitrogen injection quantity in goaf of fully-mechanized top coal caving mining face
Ma Dong;Qin Botao;MOE Key Lab of Mine Gas and Fire Prevention and Control;China University of Mining and Technology;School of Safety Engineering;China University of Mining and Technology;

..............page:78-82

Study on manufacturing technology of hydraulic powered support
Cao Lianmin;Sun Yunlu;Pang Bin;Han Songsong;Liu Bing;School of Mechanical and Electronic Engineering;Shandong University of Science and Technology;Cultivation Base;Provincial and Ministry Joint National Key Lab of Mine Disaster Prevention and Control;Shandong University of Science and Technology;Hancheng Branch;PetroChina Coalbed Methane Company Ltd.;

..............page:83-88

Study on cutting trace planning of longitudinal roadheader and boundary control method
Wang Suyu;Tian Jie;Wu Miao;School of Electromechanical and Information Engineering;China University of Mining and Technology;

..............page:89-94+118

Experimental study on shearer positioning method based on SINS and Encoder
Li Ang;Hao Shangqing;Wang Shibo;Ge Zhaoliang;Ge Shirong;School of Mechanical and Electrical Engineering;China University of Mining & Technology;Intelligent Mining Equipment Collaborative Innovation Center;China University of Mining & Technology;Shanxi TZ Coal Mine Whole-set Equipment Co.;Ltd.;

..............page:95-100

Changeful load feature analysis of supports in longwall and large mining height fully-mechanized face of steeply dipping seam
Xie Panshi;Wu Yongping;Zhang Hao;Liu Zikai;Wang Hongwei;School of Mineral Engineering;Xi’an University of Science and Technology;China Key Laboratory of Western Mine Exploitation and Hazard Prevention Ministry of Education;Xi’an University of Science and Techology;

..............page:101-105

Study on drilling depth detection technology of underground coal mine
Gao Jun;Xi’an Research Institute;China Coal Technology and Engineering Group;School of Mechanical Engineering;Xi’an University of Science and Technology;

..............page:106-109

Study on thermal stability rapid measurement of emulsion applied to hydraulic powered support
Lu Xiaoquan;China Coal Technology and Engineering Group Corporation Limited;

..............page:110-113

New type hoisting system of mine shaft sinking applied to shaft construction in coal mine
Yang Liyun;Xu Huidong;Zhang Lulu;Wang Zhinan;Liu Ning;Zhang Yufei;School of Mechanics and Civil Engineering;China University of Mining and Technology;China Coal Mine Construction Group Corporation Limited;

..............page:114-118

Study on isobaric adsorption/desorption features of coalbed methane in Hujiahe Coal Field
Ma Dongmin;Zhang Hui;Wang Guirong;Yang Jianqiang;Bai Huaidong;Suo Genxi;Xu Jianmin;School of Geology and Environment;Xi’an University of Science and Technology;National Energy Key Lab of Coal and Coal Bed Methane Simultaneous Mining Technology;Shaanxi Provincial Coal Bed Methane Development and Utilization Corporation Limited;Aerial Photogrammetry and Remote Sensing Bureau;China National Administration of Coal Geology;

..............page:119-123

Development and application of mine geological radar antenna for mine ultra-deep detection
Xu Xianlei;Yang Feng;Xia Yunhai;Wang Yusen;State Key Lab of Coal Resources and Safe Mining;China University of Mining and Technology;School of Electromechanical and Information Engineering;China University of Mining and Technology;

..............page:124-129

Research on requirement for offset of seismic data about coalbed methane AVO Inversion
Li Jiang;Xue Haijun;Fu Bin;Guo Dong;Zhang Xianghui;School of Geologic Engineering and Geomatics;Chang’an University;Key Lab of Coal Resources Exploration and Comprehensive Utilization;Ministry of Land and Resources;Geophysical Survey Team;Shaanxi Provincial Coalfield Geological Bureau;Sulige Gas Field Research Center;CNPC Changqing Oilfield Branch;National Engineering Lab of Low Permeability Oil and Gas Field Exploration and Development;Oil and Gas Exploration Company;Shaanxi Yanchang Petroleum Corporation Limited;

..............page:130-134+168

Application study on split-step suppression method of multiple waves in two dimension seismic exploration
Zhang Xianxu;Xi’an Research Institute;China Coal Technology and Engineering Group;

..............page:135-139

Study on normal distributed time function model to dynamically predict mining subsidence
Zhang Bing;Cui Ximin;Hu Qingfeng;School of Geosciences and Surveying Engineering;China University of Mining and Technology;School of Resources and Environmental Science;Shijiazhuang University;School of Resources and Environment;North China University of Water Resources and Electric Power;

..............page:140-145+174

Study on hydrogeologic conditions of Ordovician limestone aquifer in medium deep section of Yanzhou Coal Field
Li Kai;Xi’an Research Institute Company Limited;China Coal Technology and Engineering Group;School of Energy;Xi’an University of Science and Technology;

..............page:146-149

Contrast research on catalytic gasification characteristics of different catalysts on Zhundong Coal
Chen Hongwei;Mu Xinglong;Luo Min;Wang Yuanxin;Zhang Zhiyuan;School of Energy Power and Mechanical Engineering;North China Electric Power University;

..............page:150-155

Effect of pyrolysis and coal / char blending on slurry ability of Shenmu Coal
Lu Haiyun;Li Xuan;He Lixin;Guo Yi;Liu Zhen;Xu Deping;School of Chemical & Environmental Engineering;China University of Mining & Technology;National Institute of Clean-and-Low-Carbon Energy;

..............page:156-161

Research on optimization of coal blending coking guided by vitrinite reflectance
Tian Yingqi;Zhang Weihua;Shen Yutao;Lu Xilan;Zhang Dexiang;Department of Chemical Engineering for Energy Resources;East China University of Science & Technology;Key Laboratory of Coal Gasification and Energy Chemical Engineering of Ministry of Education;East China University of Science & Technology;Linhuan Coking & Chemical Co.;Ltd.;

..............page:162-168

Effects of functional groups in lignite on its combustion characteristics
Yan Xiaozhong;Qiu Jing;Yin Yanshan;Liu Xinchang;Jing Pei;Li Pei;School of Energy and Power Engineering;Changsha University of Science & Technology;

..............page:169-174

Research progress of uranium in coal and its migration behavior during coal combustion
Liu Dongyuan;Zhao Yongchun;Zhang Junying;Zheng Chuguang;State Key Laboratory of Coal Combustion;Huazhong University of Science and Technology;

..............page:175-181

Study on activated carbon preparation in multiple hearth furnace based on heat balance technology
Xie Wei;Wang Peng;Liang Daming;Guo Liangyuan;Duan Chao;Tang Xiuyu;Beijing Coal Chemistry Branch;Coal Science and Technology Co.;Ltd.;Beijing Key Lab of High Performance Coal Based Energy Saving and Environment Protection;China Univeristy of Mining & Technolog;CSE Technology Co.;Ltd.;

..............page:182-188

Analysis and discussion on high water consumption problem of coal chemical industry
Liu Yanli;Liu Ge;Department of Oil Refining;Beijing Petrochemical Engineering Company Limited;

..............page:189-195