“采选抽充采”集成型煤与瓦斯绿色共采技术研究

发布时间：2018-11-19 13:18

【摘要】：在总结综合机械化固体充填采煤技术研究进展的基础上,提出实施"采选抽充采"集成型煤与瓦斯绿色共采的现实需求与意义,并着重阐述了高瓦斯低渗透煤层开采技术、井下煤矸分选技术、混采工作面开采技术,提出了"采选抽充采"共采技术的基本原理。结合平煤十二矿存在的埋深超千米辅助提升困难、主采煤层瓦斯含量高与渗透率低、上覆煤岩体不具备常规保护层开采条件以及依靠开采"建筑物下"压煤保障矿井产量的开采条件,介绍了该矿"近全岩保护层开采→煤矸井下分选→瓦斯卸压抽采→充填与综采混合开采"的集成型共采技术的主要系统设计及工程应用效果。研究表明:"采选抽充采"集成型煤与瓦斯共采技术实现了高瓦斯低渗透煤层安全高效开采以及矸石直接井下回填,拓展了保护层与充填开采技术,提高了矿井资源采出率,延长了矿井服务年限。
[Abstract]:On the basis of summing up the research progress of comprehensive mechanized solid filling coal mining technology, this paper puts forward the practical demand and significance of green co-mining of integrated briquette and gas, and emphatically expounds the mining technology of high gas and low permeability coal seam. The separation technology of coal and gangue, the mining technology of mixed mining face, and the basic principle of common mining technology of "separation, charging and mining" are put forward. Combined with the difficulty of super-kilometer auxiliary lifting of buried depth in Pingmei No. 12 Coal Mine, the main coal seam has high gas content and low permeability. The overlying coal and rock mass does not possess the conditions of conventional protective layer mining and the mining conditions that depend on mining "under buildings" to ensure the mine production. This paper introduces the main system design and engineering application effect of the integrated common mining technology of "coal and gangue separation, pressure relief, mining, filling and combined mining with fully mechanized coal mining" in this mine. The research shows that the integrated briquette and gas mining technology of "selecting, pumping, charging and mining" realizes the safe and efficient mining of high gas and low permeability coal seam and backfilling directly underground gangue, expands the mining technology of protective layer and filling, and improves the mining rate of mine resources. Extended mine service life.
【作者单位】：中国矿业大学矿业工程学院;中国矿业大学深部煤炭资源开采教育部重点实验室;中国矿业大学深部岩土力学与地下工程国家重点实验室;平顶山天安煤业股份有限公司;
【基金】：国家自然科学基金创新研究群体资助项目(51421003) “青蓝工程”资助项目(苏教师(2014)23号) 江苏特聘教授资助项目(苏教师(2015)29号)
【分类号】：TD823.7

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