Features of overburden rock fracture in fully mechanized mining of Qidong Coalmine;
祁东煤矿综采覆岩破坏特征
3 mining area,the now actual production condition in Taoshan Coal Mine,the useful featibility of fully mechanized mining in the thin coal seam mining is expounded.
根据桃山煤矿二水平三采区的地质条件、地层条件以及目前桃山煤矿的实际生产条件,论述了综合机械化采煤工艺在薄煤层开采中应用的可行性,存在的问题和解决办法,以及采用综采后产生的经济效益和社会效益。
In order to realize highly efficiency and make full use of the function of the equipment,the fully mechanized mining has been used.
淮南矿业集团谢一矿5111sC15工作面为5111sC13的保护层工作面,原计划采用的回采工艺为炮采,后为实现高效,发挥设备功能,改为综采,为此进行了一系列改造与创新,取得了较好的经济效益与社会效益。
2207 face of Chensilou Coal Mine,summarize the difficulty and the key point of the safety management of full-mechanized mining face with high inclined compound roof,adopt countermeasures to guard against the support crooked and guard against the scraper conveyer and mining machine to glide down.
通过对陈四楼煤矿2207工作面回采,总结出大倾角复合顶板综采工作面在防煤(矸)飞出工作面伤人、防支架歪倒、防刮板输送机上窜下滑、防采煤机下滑等安全管理方面的重点和难点,及采取的对策和措施。
Because of the complexity of full-mechanized mining stope of thick coal and the stope stress influenced by many factors, the paper studies the mine pressure display regular of full-mechanized mining stope induced by once mining in thick seam of a coal mine based on lots of field measurements.
由于厚煤层综采采场条件复杂,采场矿压受多种因素影响,本文在在大量现场实测的基础上,研究分析了某矿区厚煤层一次采全高综采工作面的矿压显现规律,总结其矿压显现的特点,为类似工作面的设计和生产提供了科学依据。
The practice hasdemonstrated that backed double-unit fully-mechanized mining technique is feasible and efficient.
介绍了杜儿坪矿南一中组76106、76108工作面原设计为高档对拉现改为综采背拉开采的方法。
The essay describes how to improve productive efficiency of fully-mechanized mining in bankrupt coal mines.
在破产矿人员减少、技术力量不足、设备陈旧、地质条件多变的情况下,要提高综采生产效能,生产是中心,管理是前提,制度是保证,机电是关键。
The geological conditions of fully-mechanized mining is evaluated by iso-feature blocks and mathematics method,the scientific basis for the rational layout of the fully-mechanized working face are provided.
用等性块段和方法评价综采地质条件 ,为采区合理布置综采工作面提供了科学的地质依
2 west mining area of Panyi Coal Mine,analyzing the overburden failure law of top slice,classifying and evaluating the overlying unconsolidated aquifers and weathering zone of base rock,and researching on the reason of water output from the working face of top slice as well as the cause of pressing bracket,we demonstrated the feasibility of fully mechanized coal mining on this.
通过对潘一煤矿西二采区缩小防水煤柱块段13-1煤底分层赋存条件及其顶板岩性特征的研究,顶分层覆岩破坏规律的分析与研究,上覆松散含水层及基岩风化带的划分与评价,以及顶分层试采工作面出水及压架原因分析与研究,论证了本底分层块段缩小防水煤柱上综采的可行性。
56104 fully mechanized coal mining face in Xinzhuangzi Mine as the example and from the two points for the stability control .
在对大倾角煤层开采矿压显现及岩层移动特征分析的基础上,结合现场实测,提出了大倾角工作面支架-围岩相互作用关系,并对大倾角综采工作面支护系统稳定性进行分析。
Analysis of influence factor on fully mechanized coal mining;
根据多年使用综采设备的实践经验 ,总结和分析了影响综采的相关因素 ,并对其做出了评
Wall strengthen technology at combined mining face in three soft seam;
三软煤层综采工作面煤壁加固技术
Way of lifting the single face output in combined mining face;
从技术与管理入手提高综采工作面单产
The development of hydraulic control technology of fully mechanized mining supporter;
综采支架液压控制技术发展与展望
Through the practice of installing the fully mechanized mining supporter under"three soft"condition in Yangliuyingying Coal Mine,this paper puts forward some practical experiences of the installation on the fully mechanized working faces.
通过阳泉荫营煤矿在"三软"条件下安装综采支架的实践,提出了综采工作面安装的一些实际经验。
The fully mechanized mining supporter has been widely applied in the coal mine production at present,but the installation is still quite difficult and the installation methods are various too.
目前综采支架在煤矿生产中得到了广泛应用,但其安装工作仍十分繁重而艰巨,安装方法也多样。
Through complete analysis on the geological condition and the fully mechanized mining equipment lectotype of the Xinzhuang mine three_2 low-coal seam, the author considers science lectotype is the premise and guarantee of the low-coal seam high production and high efficient.
通过对新庄矿三2 薄煤层地质条件、综采设备选型的综合分析 ,认为科学的选型是薄煤层高产高效的重要前提和保障。
This paper expounds the utilization of the intellectualized fully mechanized mining equipment with large mining height in Tunlan Coal Mine, and expounds the problems appearing in the course of applying the intellectualized fully mechanized mining equipment with large mining height, and points out the superiorities of this equipment.
介绍了大采高智能化综采设备在屯兰矿的使用情况,阐述了在使用过程中出现的问题,指出了该设备的优越性。