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我国煤炭资源与水资源逆向分布，煤炭储量丰富的西部矿区水资源紧缺，而煤矿开采过程会破坏地下含水层的原始径流，造成水资源流失，开采产生的地表变形也会影响到地表水体，这些问题进一步加剧了西部水资源紧张的局面。近年来，在煤炭安全、高效和绿色开采的时代背景下，我国煤炭科技工作者从控制导水裂隙发育和矿井水储存等方面着手，在煤炭开采水资源保护利用领域取得了众多成果。
在控制导水裂隙发育方面，限高开采可以起到很好的效果。本期刊出的《陕北浅埋煤层绿色保水开采技术研究》一文，以陕北典型浅埋煤层矿井王家沟煤矿为工程背景，针对其开采对萨拉乌苏组潜水含水层的潜在威胁，基于协调开采的原理，结合力学模型和相似材料模拟试验，对比研究了一次采全高和限高留煤柱两种开采方法导水裂隙发育规律，从而有效的控制导水裂隙发育，最大限度保护地表含水层。研究表明，限高留煤柱协调开采能够显著控制关键层挠曲下沉，有效抑制导水裂隙发育，实现含水层下绿色保水开采。
在矿井水储存方面，地下水库是近期的研究热点，其中水库坝体参数设计是地下水库建设的关键。本期刊出的《煤矿地下水库人工坝体构筑材料适用性研究》一文，为分析地下水库人工坝体构筑材料适用性，将坝体的渗透性作为衡量材料适用性标准。以李家壕煤矿为研究背景，通过相似模拟实验，分析了在变化的外界应力下不同岩体的渗透系数变化情况，研究结果可指导煤矿地下水库人工坝体参数设计，对保证地下水库坝体稳定作业、保障井下安全生产具有参考价值。
《煤炭工程》将持续关注煤炭开采水资源保护利用领域最新科技和工程成果！
设计技术
1党家河煤矿转接辅助运输设计研究................................................ 赵海兴
7厚煤层大采高工作面无煤柱开采技术研究及应用谢益盛，郝晓飞，杨亚威
13采区煤仓穿越交叉巷道延伸改造设计及工程实践刘 成，刘 叶，邓东杰，等
17复杂矿区煤与瓦斯突出灾害多参量预警系统建设与应用............... 谈国文
21 LED小间距调度大屏显示系统在小保当智慧矿山中的应用......... 许 涛
26高大软岩边坡下开采程序研究........................................ 吴多晋，赵红泽
31露天矿双能源卡车架线道路参数优化研究王忠鑫，赵 明，王金金，等
37煤炭运输船港航交重自动计量系统设计与实现.. 沙宝银，牛一村，滕灵芝
施工技术
43复杂膨胀性围岩条件下交岔点支护技术研究................... 赵长红，吕兆海
48恒源煤矿采区轨道下山机械化作业线优化及应用马 力，回新冬，姚强岭
53深部厚煤层巷道掘进微震预警参数及临界指标研究王 涛，李 根，姜 涛，等
57复杂岩层高位定向长钻孔成孔技术应用研究. 洪建俊，张 杰，刘 杰
生产技术
62底抽巷穿层钻孔液态CO2相变致裂增透技术研究.......................... 陈继福
66区域超前探查治理技术在邯邢矿区深部采煤底板水害防治中的应用蒋向明，任虎俊，陈亚洲
72基于光纤传感技术的老石旦矿火区探测研究程根银，任 强，齐黎明，等
76综放工作面产尘分布规律及综合治理技术.................................. 陈 芳
82焦化厂挥发性有机物治理技术应用.............. 孙 乐，张惊宇，王 瑾
研究探讨
88陕北浅埋煤层绿色保水开采技术研究...... 余学义，张冬冬，陈 辉，等
93承压水上含隐伏构造底板突水机理研究..... 魏大勇，孙亚楠，闫奋前，等
98复合作用下煤层瓦斯抽采时空演化及衰减特性研究.................... 丁 红
104瓦斯含量法突出危险性预测试验研究与应用.............................. 李思乾
108珲春地区高瓦斯矿井煤自然发火标志气体研究靳 磊，刘见中，姚海飞，等
113定向水力致裂对煤层顶板三向应力的影响研究高 厚，陈卫忠，邢天海，等
118煤矿地下水库人工坝体构筑材料适用性研究................. 王文才，李雨萌
122井工煤矿开采对坡面形态及侵蚀的影响研究柳 宁，赵晓光，周文富，等
127采煤机运行状态数据实时清洗技术研究.......... 曹现刚，姜韦光，张国祯
132矿用机器人局部路径优化算法研究...... 武 达，王然风，付 翔，等
137基于彩色图像处理的浮选尾煤灰分软测量研究王靖千，王然风，付 翔，等
143糊精对煤和石英浮选的影响研究.............. 张晋霞，孙伟光，牛福生，等
147非离子型表面活性剂强化低阶煤煤泥浮选行为试验研究张春泉，张海军，徐 明，等
152XJM-KS型浮选机矿化器负压产生机理研究............................... 杨茂青
装备技术
157层理和裂隙对镐型截齿破煤的影响.......................................... 李 立
163静止无功发生器(SVG)的无功电流检测算法研究........................ 刘翘楚
工程管理
168矿工个体特征因素对煤矿险兆事件影响的SEM研究田水承，刘 乔，陈 洋，等
172基于改进层次分析法—突变理论的煤矿顶板事故风险分析郭隆鑫，李希建，刘 柱
Design Technology
1 Design of transfer auxiliary transportationsystem in Dangjiahe Coal Mine.................................................................................. ZHAOHai-xing
7 Research and application of non-pillarmining technology in high cutting working face of thick
coal seam................. XIEYi-sheng，HAO Xiao-fei，YANGYa-wei
13 Extend reconstruction design and engineeringpractice of mining district coal bunker
crossing intersected roadwayLIU Cheng，LIU Ye，DENGDong-jie，et al.
17 Construction and application ofmulti-parameter early warning system of coal and gas
outburst disasters in complex mining area................ TAN Guo-wen
21 Application of small spacing LED screens fordispatching display system in Xiaobaodang
intelligent mine project....................................................... XUTao
26 Study on mining sequence under high soft rockslopeWU Duo-jin，ZHAOHong-ze
31 Optimization on wiring road parameters ofdual-energy truck in open pit mine
.................. WANGZhong-xin，ZHAO Ming，WANGJin-jin，et al.
37 Design and implementation of automatic weightmeasurement system for coal carrier port
.................................... SHABao-yin，NIU Yi-cun，TENGLing-zhi
Construction Technology
43 Roadway intersection support under complexexpansive surrounding rock
.................................................. ZHAOChang-hong，LV Zhao-hai
48 Optimization of mechanized operation line fortrack dip in Hengyuan Coal Mine
......................................... MALi，HUI Xin-dong，YAO Qiang-ling
53 Early warning parameters and critical indexof microseism in deep thick coal seam tunneling
...................................... WANGTao，LI Gen，JIANG Tao，etal.
57 Application of high directional long holedrilling in complex rock formation
........................................... HONGJian-jun，ZHANG Jie，LIUJie
Production Technology
62 Permeability enhancement with liquid CO2phase-transition fracturing in crossing drilling from floor
drainage roadway......................................................... CHENJi-fu
66 Application of advance exploration andcontrol technology in deep mining of Hanxing Mining Area
.......................... JIANGXiang-ming，REN Hu-jun，CHENYa-zhou
72 Sealed fire area detection based on opticalfiber sensing in Laoshidan Coal Mine
........................ CHENGGen-yin，REN Qiang，QILi-ming，et al.
76 Dust distribution law and comprehensive dustcontrol in fully mechanized top-coal caving face
................................................................................... CHENFang
82 Application of VOCs treatment technology ina coking plant
.......................................... SUNLe，ZHANG Jing-yu，WANG Jin
Research andDiscussion
88 Water-preserved green mining in shallowburied coal seam in northern Shaanxi
...................... YUXue-yi，ZHANG Dong-dong，CHENHui，et al.
93 Water bursting mechanism of coal seam floorwith concealed structure above confined water
......................... WEIDa-yong，SUN Ya-nan，YANFei-qian，et al.
98 Time-space evolution and attenuation characteristicsof gas extraction in coal seam under
combined effect........................................................ DINGHong
104 Experimental study and application ofoutburst risk prediction with gas content method
....................................................................................... LISi-qian
108 Research on the mark gas of coal spontaneouscombustion in Hunchun area
............................. JINLei，LIU Jian-zhong，YAO Hai-fei，etal.
113 Influence of directional hydraulic fractureon three-dimensional stress of coal seam roof
................ GAOHou，CHEN Wei-zhong，XING Tian-hai，etal.
118 Applicability of dam body material for coalmine underground reservoir
...................................................... WANGWen-cai，LI Yu-meng
122 Effect of underground coal mining on slopemorphology and erosion
................ LIUNing，ZHAO Xiao-guang，ZHOUWen-fu，et al.
127 Real-time data cleaning of coal miningmachine operating status
......... CAO Xian-gang，JIANG Wei-guang，ZHANGGuo-zhen
132 Research on local path optimization algorithmmining robot
............................. WUDa，WANG Ran-feng，FU Xiang，etal.
137 Study on soft sensing of ash content inflotation tail coal based on color image processing
.............. WANGJing-qian，WANG Ran-feng，FUXiang，et al.
143 Effect of dextrin on coal and quartzflotation
.......... ZHANGJin-xia，SUN Wei-guang，NIUFu-sheng，et al.
147 Flotation performance of low rank coal slimeenhanced by non-ionic surfactant
............. ZHANGChun-quan，ZHANG Hai-jun，XUMing，et al.
152 Mechanism of negative pressure generated forXJM-S4 pre-mineralizing device
......................................................................... YANGMao-qing
Equipment Technology
157 Effects of bedding and fracture on coalbreaking of pick-shaped cutter................................................................................................. LILi
163 Reactive current detection algorithm ofstatic var generator....... LIUQiao-chu
Project Management
168 SEM-based study on the influence of minerindividual characteristic factors on coal mine
near miss...... TIAN Shui-cheng，LIU Qiao，CHENYang，et al.
172 Risk analysis of roof accident in coal minebased on improved analytic hierarchy process and
catastrophe theory.............. GUO Long-xin，LIXi-jian，LIU Zhu
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