CO_2气相致裂技术及在煤矿煤仓掘进中的应用  

Application of CO_2 Gas-phase Fracturing Technology During Coal Bunker Tunneling in Coal Mine

作　　者：贺超[1,2,3] 龚建宇[1,2,3] 

机构地区：[1]煤炭科学研究总院建井研究分院,北京100013 [2]天地科技股份有限公司,北京100013 [3]北京中煤矿山工程有限公司,北京100013

出　　处：《煤矿开采》2017年第4期106-108,共3页Coal Mining Technology

基　　金：国家安全生产监督管理总局2016年安全生产重大事故防治关键技术科技项目(yangqi-0021-2016AQ);天地科技股份有限公司科技创新基金面上项目(KJ-2016-BJZM-09)

摘　　要：为解决昊华能源股份有限公司红庆梁煤矿井下煤仓凿井速度慢、施工效率低的问题,在国内首次开展了CO_2气相致裂掘进的技术应用。根据CO_2致裂器性能、岩层地质条件和现场试验条件,完成了气相掘进致裂钻孔设计、布孔,以及施工工艺应用和煤仓掘进施工。应用表明:致裂器可以在特殊领域替代炸药进行掘进;凿井过程安全,无有毒有害气体产生,单循环致裂掘进深度1~1.2m,不会对围岩稳定性产生影响;致裂后矸石松动显著易破碎,而且容易清理,提高了作业效率。In order to solve the problems of low speed and ineffectively construction of coal bunker tunneling in Hongqingliang coal mine of Haohua energy Co. , Ltd. , And CO2 gas-phase fracturing technology was applied for the first time in domestic. According CO2 fracturing equipment characters, strata geological situation and field experimental situation, then drilling hole of fracturing and distri-bution , construction technology application and coal bunker tunneling wee finished, the field test showed that explosive could be re-placed by fracturing equipment in some special area during tunneling, mine construction process was safety, without non-toxic and hazard free gas appeared, fracturing tunneling depth could reached 1 -1. 2m in single cycle, and the stability of surrounding rock would not be influenced, gangue was loosely and easily broken, then clearing easily, and working performance was improved.

关 键 词：气相致裂技术 CO2致裂器 钻孔设计 无毒无害 

分 类 号：TD235.371[矿业工程—矿井建设]