煤炭工程 ›› 2019, Vol. 51 ›› Issue (5): 114-117.doi: 10.11799/ce201905027
李杰
收稿日期:
2018-06-07
修回日期:
2018-08-20
出版日期:
2019-05-20
发布日期:
2019-06-10
通讯作者:
李杰
E-mail:304165732@qq.com
Received:
2018-06-07
Revised:
2018-08-20
Online:
2019-05-20
Published:
2019-06-10
摘要: 针对特厚煤层小煤柱易燃工作面,采掘过程中对邻近采空区造成的类“呼吸作用”及单纯抽采措施易引发遗煤自燃,采空区有害气体外泄易造成上隅角超限的双重安全隐患,结合采空区气体赋存特点与物理特性,提出了地面钻孔抽采及井下注氮区域立体置换技术。实践表明:区域立体置换技术使采空区瓦斯浓度由6%下降到0.8%,降低了86%,CO浓度由16×10-6下降到6×10-6,降低了62%,治理效果明显,为特厚煤层小煤柱易燃工作面安全生产提供了安全保障。
中图分类号:
李杰. 综放条件下采空区瓦斯与氮气置换技术研究与应用[J]. 煤炭工程, 2019, 51(5): 114-117.
[1] | 侯朝炯,李学华.综放沿空掘巷围岩大、小结构的稳定性原理[J]. 煤炭学报,2001(2):1-6. |
Hou chao jiong,Li xue hua.Key Stability principle of big and small structures of rock surrounding roadway driven along goaf in fully mechanized top coal caving face [J].Journal of China Coal Society, 2001(2):1-6.. | |
[2] | 彭林军,张东峰,郭志飚等.特厚煤层小煤柱沿空掘巷数值分析及应用[J]. 岩土力学,2013-12:3609-3632. |
Peng lin jun,Zhang dong feng,Guo zhi biao etc Numerical nalysis of thick coal seam small pillar along gob roadway and its application [J] Rock and Soil Mechanics, 2013-12:3609-3632. | |
[3] | 许永祥.特厚煤层大采高综放面沿空掘巷技术研究 [J] 河南理工大学,2015,4:4. |
Xu yong xiang .Study on reasonable leaving of small coal pillar | |
for fully mechanized top coal caving face in extra thick coal seam [J] Henan Polytechnic University,2015,4:4. | |
[4] | 钱鸣高等. “砌体梁”结构关键块的S一R稳定及其应用 [J]矿山压力与顶板管理. ,1994,9. |
Qian ming gao etc. S一R stabllity for the voussoir beam and its application [J] Ground Pressure and Strata Control ,1994,9. | |
[5] | 许兴亮,李俊生,田素川等. 沿空掘巷小煤柱变形分析与中性面稳定性控制技术[J].采矿与安全工程学报:,2016.5:481-486. |
Xiu xing liang,Li jun sheng,Tian su shuan etc Deformation analysis and neutral plane stability controltechnology of small coal pillar with gob-side entry [J]. Journal of Mining & Safety Engineering,2016,5:481-486. | |
[6] | 宋振骐, 蒋宇静,彭林军等.煤矿重大事故预测和控制的动力信息基础的研究[M].北京:煤炭工业出版社,2003: 1-189. |
Song Zhen qi,Jiang yu jing,Peng Lin jun etc.Research on dynamic information base of prediction and control of major coal mine accidents[M] Bei jing China Coal Industry Publishing House, 2003: 1-189. | |
[7] | 柏建彪,侯朝炯,黄汉富.沿空掘巷窄煤柱稳定性数值模拟研究[J]岩石力学与工程学报,2004,23(20):3475 -3479. |
Bai Jianbiao,Hou Chaojiong,Huang Hanfu.Numerical simulation study on stability of narrow coal pillar of roadway driving along goaf[J].Chinese Journal of Rock Mechanics and Engineering,2004,23(20):3475 -3479. | |
[8] | 张宝安,黄明利,梁宏友.窄煤柱护巷机理的数值模拟分析[J].辽宁工程技术大学学报(自然科学版),2003,22(S):91 -92. |
Zhang Bao an,Huang Ming li, Liang.Hong you.Numerical simulationon the principle of supporting roadway with narrow coal pillar[J].Journal of Liaoning Technical University(Natural Science),2003,22(S):91 -92. | |
[9] | 王卫军,侯朝炯,李学华.老顶给定变形下综放沿空掘巷合理定位分析[J].湘潭矿业学院学报,2001,16(2):1 -4. |
Wang Weijun,Hou Chaojiong,Li Xuehua. Position analysis of road driving along next goaf under given deformation of the main roof in sublevel caving face[J].Journal of Xiangtan Mining Institute,2001,16(2):1 -4. | |
[10] | 周爱桃,王凯,臧杰等.易自燃采空区瓦斯与火灾共治数值模拟[J].中国安全科学学报,2010,8:49-53. |
Zhou Ai tao,Wang Kai1,Zang Jie etc.Numerical Simulation on Gas and Fire Control in Spontaneous Combustion Gob[J]China Safety Science Journal ,2010,8:49-53. | |
[11] | 李宗翔,吴强,肖亚宁.采空区瓦斯涌出与自燃耦合基础研究[J]中国矿业大学学报,2008,37(1):38-42. |
Li Zong-xiang, Wu Qiang, Xiao Ya-ning. Numerical Simulation of Coupling Mechanism of Coal Spontaneous Combustion and Gas Effusion in Goaf[J]Journal of China University of Mining& Technology, 2008,37(1):38-42 | |
[12] | 周福宝.瓦斯与煤自燃共存研究(Ⅰ):致灾机理[J]煤炭学报,2012,37(5):844-849. |
Zhou Fu-bao Study on the coexistence of gas and coal spontaneous combustion( Ⅰ) disaster mechanism[J]Journal Of China Coal Society.2012,37(5):844-849. | |
[13] | 周福宝,夏同强,史波.瓦斯与煤自燃共存研究(Ⅱ):防治新技术[J]煤炭学报,2013,38(3):353-360 |
Zhou Fu-bao,Xia Tong qiang,Shi Bo boStudy on the coexistence of gas and coal spontaneous combustion(Ⅱ) new prevention and control technologies[J]Journal Of China Coal Society.2013,38(3):353-360 | |
[14] | 周福宝. 夏同强,刘应科等地面钻井抽采卸压煤层及采空区瓦斯的流量计算模型[J]煤炭学报,2010,35(10):1638-1643 |
Zhou Fu-bao XIA Tong-qiang,LIU Ying-ke etc A calculation model for gas flow rates in surfaces boreholes extracting gas from pressure-relieved seams and gobs[J]Journal Of China Coal Society.2010,35(10):1638-1643 | |
[15] | 邓军,徐精彩,文虎,张辛亥.综放采煤法中沿空巷道煤层自然发火预测模型研究[J]煤炭学报,2001,26(1):62-66 |
DENG Jun, XU Jing-cai, WEN Hu, ZHANG Xing-hai.Study of the prediction model of coal spontaneous combustion in the gate close to gob of fully mechanized longwall top-coal caving face[J]Journal Of China Coal Society. 2001,26(1):62-66 | |
[16] | 李宗翔,纪书丽,题正义.采空区瓦斯与大气两相混溶扩散模型及其求解[J]岩石力学与工程学报, 2005.24(16):2971-2976 |
LI Zong-xiang,JI Shu-li,TI Zheng-yi Two-phase miscible diffusion model and its solution between gas in goaf and atmosphere[J]Chinese Journal of Rock Mechanics and Engineering.2005.24(16):2971-2976 | |
[17] | 周心权.煤矿采空区自燃防治和应急处置能力提高的建议[J].煤炭科学技术,2013 41(9).151-153 |
ZHOU Xin-quan Proposals on Improvement of Spontaneous Combustion Prevention and Control in Mining Goaf and Emergency Handling Capacity[J] Coal Science and technology, ,2013 41(9).151-153 | |
[18] | 褚廷湘,姜德义,余明高等顶板巷瓦斯抽采诱导煤自燃机制及安全抽采量研究[J]煤炭学报,2016,41(7):1701-1710 |
Chu Ting-xiang,Jiang De-yiYU Ming-gao etc.Study on mechanism of inducing coal spontaneous combustion and safe gas extraction volume under roof tunnel gas extraction[J]Journal Of China Coal Society. 2016,41(7):1701-1710 | |
[19] | 胡胜勇,张甲雷,冯国瑞等.煤矿采空区瓦斯富集机制研究[J]中国安全科学学报,2016,26(2):121-126. |
Hu Sheng yong,Zhang Jia lei Feng Guo rui etc Research on methane enrichment mechanism in coal mine goaf[J]China Safety Science Journal , 2016,26(2):121-126. | |
[20] | 孙希奎 刘金举.自燃煤层封闭采空区瓦斯火灾双重灾害治理技术. [J].煤炭科学技术,2014 42(6).100-103 |
Sun Xi-kui,Liu Jin-ju.Gas and Fire Dual Disaster Control Technology in Sealed Goaf with Spontaneous Combustion Seam | |
[J] | Coal Science and technology, 2014 42(6).100-103 |
[21] | 胡千庭, 梁运培, 刘见中.采空区瓦斯流动规律的 CFD模拟[J]煤炭学报,2007,32(7):719-723 |
Hu Qian-ting, LIANGYun-pei LIUJian-zhong.CFD simulation of goaf gas flow patterns[J]Journal Of China Coal Society. 2007,32(7):719-723 | |
[22] | 王海宾,王坚志,和志永. 深井小煤柱采掘工作面采空区瓦斯治理 [J]. 煤矿安全,2012,43(5):80-82. |
WANG Hai bin,WANG Jian zhi,HE Zhi yong Gas Control in Gob of Deep Well Small Pillar Mining Face.[J]Safety in Coal Mines, 2012,43(5):80-82. | |
[23] | 樊克松,申宝宏,王东攀等. 分层开采注氮置换上分层采空区瓦斯技术研究[J].煤炭科学技术,2017 45(1).106-111. |
Fan ke-song,Shen bao-hong, Wang dong-fan etc. Study on nitrogen injection technology to replace gas in goaf of upper slice mining face while slice mining [J] Coal Science and technology, ,2017 45(1).106-111. | |
[24] | 李杰,孙珍平.地面L型钻孔在大采高综放工作面瓦斯治理工作中的探索[J].中国安全生产科学技术,2017,13(3):64-68 |
Li Jie, Sun hen ping Exploration of gas control by ground L-type borehole on fully mechanized caving face with large mining height[J] Journal of Safety Science and Technology,2017,13(3):64-68 | |
[25] | 李杰. 定向高位长钻孔抽出位置确定及瓦斯治理效果 [J]. 煤炭科学技术,2014,42(12):54-56. |
Li jie Gas Control Effect and Determination on the Optimu Drainage Location Directional High Level Long Borehole[J] Coal Science and technology ,2014,42(12):54-56. | |
[26] | 高科,刘剑,耿晓伟等急倾斜综放面采空区瓦斯及自燃综合防治数值模拟 [J].中国安全生产科学技术,2014,10(6):58-65. |
Gao ke,Liu jian,Geng xiao-wei,etc Prevention and control technology and numerical simulation on gas and spontaneous combustion in gob at steep inclined fully-mechanized caving face | |
G [J] | Journal of Safety Science and Technology,2014,10(6):58-65. |
[27] | 杨永杰,陈绍杰,张兴民等 煤矿采场覆岩破坏的微地震监测预报研究[J]岩土力学,2007,28(7):1407-1410. |
Yang Yong-jie, Chen Shao-jie, Zhang Xing-min, PANG etc Forecasting study on fracturing of overburden strata of coal face by microseism monitoring technology[J]Rock and Soil Mechanics,2007,28(7):1407-1410. | |
[28] | 姜福兴 ,杨淑华 , XUN Luo微地震监测揭示的采场围岩空间破裂形态[J]煤炭学报,2003,28(4):357-360 |
JIANG Fu-xing , YANG Shu-hua , XUN Luo Spatial fracturing progresses of surrounding rock masses in longwall face monitored by microseismic monitoring techniques Journal Of China Coal Society ,2003,28(4):357-360. |
[1] | 孙炳兴. 保德煤矿综放工作面巷道布置方式优化及应用[J]. 煤炭工程, 2021, 53(5): 7-12. |
[2] | 李磊, 李德军. 复合水体下特厚煤层综放开采安全性研究[J]. 煤炭工程, 2021, 53(5): 1-6. |
[3] | 秦喜文. 小窑破坏区残煤综放开采覆岩破坏规律模拟研究#br#
#br#
[J]. 煤炭工程, 2021, 53(5): 121-124. |
[4] | 姚海, 王宁. 复合煤层采空区下分层综放开采相似模拟研究[J]. 煤炭工程, 2021, 53(3): 11-15. |
[5] | 于斌, 姚强岭, 王少卿, 夏泽. 侧向支承应力作用下6.0m小煤柱巷道加固技术研究[J]. 煤炭工程, 2021, 53(3): 73-77. |
[6] | 于士芹, 张宁波, 程海星, 霍昱名. 基于散体相似材料模拟的综放开采初始放煤特性研究[J]. 煤炭工程, 2021, 53(3): 107-112. |
[7] | 任启寒, 徐遵玉, 陈成. 特厚煤层综放采场覆岩结构及矿压规律研究[J]. 煤炭工程, 2021, 53(1): 79-83. |
[8] | 张学亮, 刘清, 郎瑞峰, 邵斌, 吴少伟. 厚煤层智能放煤工艺及精准控制关键技术研究[J]. 煤炭工程, 2020, 52(9): 1-6. |
[9] | 张拴才, 孙振于, 张玉亮, 苏仁元, 巩思园. 特厚煤层综放工作面防冲煤柱宽度优化[J]. 煤炭工程, 2020, 52(9): 7-12. |
[10] | 李斌 李刚 汪北方. 南阳坡煤矿8800综放工作面临空小煤柱尺寸研究[J]. 煤炭工程, 2020, 52(7): 63-67. |
[11] | 吴波. 综放开采多煤柱扰动致冲危险性分析及监测防控技术[J]. 煤炭工程, 2020, 52(7): 68-73. |
[12] | 薛吉胜, 杜龙飞, 赵铁林, 张晨阳. 特厚煤层煤矸互层复合顶煤体冒落特征研究[J]. 煤炭工程, 2020, 52(12): 91-96. |
[13] | 杨竹军. 厚煤层区段小煤柱切顶护巷研究及应用[J]. 煤炭工程, 2019, 51(5): 82-86. |
[14] | 姜黎明. 综放工作面采空区瓦斯高效立体化抽采设计及应用[J]. 煤炭工程, 2019, 51(4): 10-15. |
[15] | 唐猛. 留窄小煤柱沿空掘巷在中厚煤层的应用[J]. 煤炭工程, 2019, 51(12): 0-0. |
阅读次数 | ||||||
全文 |
|
|||||
摘要 |
|
|||||