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[1]周西华,白刚,李诚玉,等.天池矿102综放孤岛工作面控制风量防灭火技术研究[J].中国安全生产科学技术,2015,11(3):105-111.[doi:10.11731/j.issn.1673-193x.2015.03.017]
　ZHOU Xi-hua,BAI Gang,LI Cheng-yu,et al.Study on fire prevention and control technology by controlling air volume on 102 full-mechanized isolated island caving face of Tianchi Coal Mine[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2015,11(3):105-111.[doi:10.11731/j.issn.1673-193x.2015.03.017]
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天池矿102综放孤岛工作面控制风量防灭火技术研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
11
期数:
2015年3期
页码:
105-111
栏目:
职业安全卫生管理与技术
出版日期:
2015-03-30

文章信息/Info

Title:
Study on fire prevention and control technology by controlling air volume on 102 full-mechanized isolated island caving face of Tianchi Coal Mine
作者:
周西华1; 2; 白刚1; 2; 李诚玉1; 刘振岭3; 张树岭4
（1.辽宁工程技术大学 安全科学与工程学院，辽宁阜新123000；2.矿山热动力灾害与防治教育部重点实验室， 辽宁阜新123000；3.中国石化长城能源化工有限公司 煤炭资源部，北京100012； 4.阜新市新邱区煤炭工业管理局，辽宁阜新123005）
Author(s):
ZHOU Xi-hua1; 2; BAI Gang1; 2; LI Cheng-yu1; LIU Zhen-ling3; ZHANG Shu-ling4
1. College of Safety Science and Engineering, Liaoning Technical University, Fuxin Liaoning 123000, China; 2.Key Laboratory of Mine Thermodynamic Disasters and Control of Ministry of Education, Fuxin Liaoning 123000,China; 3. Ministry of coal resources, Great Wall Energy Chemical Industry Co., Ltd. of Sinopec, Beijing 100012, China; 4. Coal Industry Administration Bureau of Xinqiu District, Fuxin Liaoning 123005, China）
关键词:
综放孤岛工作面; 现场监测; 数值模拟; 采空区漏风; 控制风量; 防灭火技术
Keywords:
full-mechanized isolated island caving face;  field monitoring;  numerical simulation;  goaf air leaking;  air volume control;  fire prevention and control technology
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2015.03.017
文献标志码:
A
摘要:
为了防治天池煤矿15#煤层102综放孤岛工作面采空区煤炭自然发火，对工作面实际供风量40.0 m3/s时进行了现场监测，并基于采空区自燃“三带”划分标准和数值模拟的方法，采用流体力学COMSOL计算软件，研究了工作面不同进风量时采空区氧化升温带的变化规律，确定了氧化升温带的范围，并得到了工作面供风量与氧化升温带宽度的拟合曲线。研究结果表明，“U+I”型102工作面采空区自然发火主要是由采空区漏风引起的；氧化升温带宽度随着工作面供风量的增加而增加；现场监测与数值模拟的采空区“三带”变化规律吻合较好；当工作面供风量为40.0 m3/s时，既能有效抽排瓦斯，又能有效预防采空区煤炭自然发火。在102综放孤岛工作面的现场实践表明，运用控制风量防灭火技术防治天池煤矿采空区遗煤自燃是可行的。
Abstract:
In order to prevent coal spontaneous combustion in goaf of 102 fully mechanized isolated island caving face located in 15# coal seam of Tianchi Coal Mine, field monitoring was carried on the working face when the actual air supply quantity was 40.0 m3/s. According to the division standard of spontaneous combustion "three zones" in goaf and numerical simulation method, the change law of oxygenation heating-up zone in goaf under different air supply volumes was studied and the scope of oxygenation heating-up zone was determined by using computational fluid dynamics software COMSOL, then the fitting curve between air supply volume of working face and the width of oxygenation heating-up zone was obtained. The results showed that air leakage in goaf is the main reason for spontaneous combustion in goaf of "U+I" type 102 caving face. The width of oxygenation heating-up zone increases with the increase in air supply volume of working face. The variation laws of "three zones" in goaf obtained by field monitoring fit well with that of numerical simulation. When the face air volume is 40.0 m3/s, it is effective for gas drainage and preventing coal spontaneous combustion. The field practice on the 102 fully mechanized isolated island caving face showed that it is feasible to prevent spontaneous combustion of residual coal in goaf of Tianchi Coal Mine by fire prevention and control technology of air volume control.

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备注/Memo

备注/Memo:
国家自然科学基金资助项目（51274115、51274113）；辽宁省教育厅基金资助项目（L2012122）
更新日期/Last Update: 2015-03-30