[1]刘桂丽,杨跃奎,撒占友.高位钻孔瓦斯抽采参数优化设计[J].西安科技大学学报,2012,(04):450-458.
 LIU Gui-li,YANG Yue-kui,SA Zhan-you.Optimal design of high position boring drainage parameters[J].Journal of Xi'an University of Science and Technology,2012,(04):450-458.
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2012年04期
页码:
450-458
栏目:
出版日期:
2012-08-31

文章信息/Info

Title:
Optimal design of high position boring drainage parameters
文章编号:
1672-9315(2012)04-0450-09
作者:
刘桂丽12杨跃奎2撒占友1
1.青岛理工大学 汽车与交通学院,山东 青岛 266520; 2.中国矿业大学 煤矿瓦斯治理国家工程研究中心,江苏 徐州 221008
Author(s):
LIU Gui-li12YANG Yue-kui2SA Zhan-you1
1.School of Automobile and Transportation Engineering,Qingdao Technological University,Qingdao 266520,China; 2.NationalEngineering Research Center for Coal & Gas Control,China University of Mining and Technology,Xuzhou 221008 China
关键词:
高位钻孔 U型通风 “O”形圈 抽采参数 数值模拟
Keywords:
high position boring U type ventilation “O” type ring drainage parameters numerical simulation
分类号:
TD 315.3
文献标志码:
A
摘要:
基于采空区覆岩裂隙分布规律、覆岩裂隙瓦斯流动规律和高位钻孔抽采技术研究现状,从覆岩“竖三带”、“O”形圈和U型通风条件下采动裂隙瓦斯流动规律出发,找出高位钻孔的理论合理布置区域,指出工作面后方50m范围内覆岩裂隙发育状况是高位钻孔层位设计的关键,针对祁南煤矿32煤层的特点,结合现场采用数值模拟方法模拟不同开采速度条件下覆岩裂隙发育规律,优化设计高位钻孔的抽采参数,在342工作面和3410工作面的现场试验中,高位钻孔抽采浓度和抽采率得到大大提高,取得了较好的抽采
Abstract:
Based on overlying strata fracture distribution in goaf,gas law of overlying strata fracture and extraction technique of high position boring,and started from overlying strata fracture “vertical three-zone” distribution in goaf,mining fissure “O” type ring distribution in overlying strata and mining fissure gas law under U type ventilation,reasonable area in theory assigned high position boring is located.Paper pointed out that overlying strata fracture distribution of 50m region behind working face decide the optimization of high position boring drainage parameters.Considering the features of 34low2 working face of Qinan mine,paper simulates overlying strata fracture law under different production rate using UDEC numerical simulation software,optimizes high position boring drainage parameters.On 34low2 and 3410 working face,the result was put to test,gas drainage concentration and gas drainage rate of high position boring were increased greatly.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2012-02-27
基金项目: 国家自然科学基金项目(50574050)
通讯作者: 刘桂丽(1976-),女,山东安丘人,博士,讲师,主要从事防灾减灾及防护工程的研究工作.
更新日期/Last Update: 1900-01-01