超高压水力钻割一体化增透技术参数试验考察  

Parameters Experiment of Integrated Anti-reflection Technology of Super High Pressure Hydraulic Cutting

作　　者：刘志伟[1,2] 高振勇 LIU Zhi-wei;GAO Zhen-yong(State Key Laboratory of Gas Disaster Monitoring and Emergency Technology,Chongqing 400037,China;Chongqing Research Institute Co.,Ltd.,China Coal Technical and Engineering Group,Chongqing 400037,China)

机构地区：[1]瓦斯灾害监控与应急技术国家重点实验室,重庆400037 [2]中煤科工集团重庆研究院有限公司,重庆400037

出　　处：《煤矿开采》2019年第1期133-135,共3页Coal Mining Technology

基　　金：国家重点研发计划项目课题(2017YFC0804206;2017YFC0804208)

摘　　要：为了掌握屯留井田3号煤层超高压水力钻割一体化增透合理技术参数,提高钻孔瓦斯抽采效率,对合理割缝压力、不同割缝时间的单刀出煤量进行试验,并对瓦斯抽采效果进行现场考察。试验表明:3号煤层合理割缝压力为90MPa,单刀割缝7min出煤量约为0.32t时,其割缝半径可达1.45～1.62m,钻孔瓦斯抽采效果最佳,为类似煤层超高压水力钻割一体化增透技术参数选择提供参考依据。In order to master integrate anti-reflection technology of super high pressure hydraulic cutting of No.3 coal seam of Tunliu mine field,improving drilling gas drainage efficiency,and then coal output of single cutting under rational slotting pressure and time,gas drainage effect was inspected in field.The experiments showed that the rational slotting pressure of No.3 coal seam was 90MPa,coal output about 0.32t at single slotting 7min,and its slotting radius could arrive 1.45~1.62m,drilling gas drainage was perfect,and it reference for similar situation.

关 键 词：超高压 钻割一体化 合理割缝压力 割缝时间 割缝出煤量 割缝半径 

分 类 号：TD712[矿业工程—矿井通风与安全]