|本期目录/Table of Contents|

[1]郭军,李帅,蔡国斌,等.采空区隐蔽火源探测及声学法煤温感知新技术探讨*[J].中国安全生产科学技术,2021,17(6):5-11.[doi:10.11731/j.issn.1673-193x.2021.06.001]
　GUO Jun,LI Shuai,CAI Guobin,et al.Discussion on new technologies of hidden fire source detection and coal temperature sensing by acoustic method for goaf[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(6):5-11.[doi:10.11731/j.issn.1673-193x.2021.06.001]
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采空区隐蔽火源探测及声学法煤温感知新技术探讨*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年6期
页码:
5-11
栏目:
学术论著
出版日期:
2021-06-30

文章信息/Info

Title:
Discussion on new technologies of hidden fire source detection and coal temperature sensing by acoustic method for goaf
文章编号:
1673-193X(2021)-06-0005-07
作者:
郭军; 李帅; 蔡国斌; 李睿涵; 金彦
（1.西安科技大学 安全科学与工程学院，陕西 西安 710054；
2.西安科技大学 西部矿井开采及灾害防治教育部重点实验室，陕西 西安 710054；
3.国家矿山应急救援（西安）研究中心，陕西 西安 710054）
Author(s):
GUO Jun;  LI Shuai;  CAI Guobin;  LI Ruihan;  JIN Yan
(1.College of Safety Science and Engineering,Xi’an University of Science and Technology,Xi’an Shaanxi 710054,China;
2.Key Laboratory of Western Mine and Hazard Prevention,Ministry of Education,Xi’an University of Science and Technology,Xi’an Shaanxi 710054,China;
3.Xi’an Research Center of National Mine Rescue,Xi’an Shaanxi 710054,China)
关键词:
煤自燃; 声学测温; 隐蔽火源; 煤温探测
Keywords:
coal spontaneous combustion;  acoustic temperature measurement;  hidden fire source;  coal temperature detection
分类号:
X936;TD75
DOI:
10.11731/j.issn.1673-193x.2021.06.001
文献标志码:
A
摘要:
为精准判定采空区等地下隐蔽火区高温点的位置和范围，综述现有采空区煤自燃温度探测技术，重点总结和分析红外探测法、分布式光纤测温法、指标气体探测法、热电偶测温技术以及同位素测氡法等煤层测温手段的研究进展与技术瓶颈，着重研究声学法测温的技术原理及实现方式；结合分层建模和插值建模的优点，探讨声学测温技术在采空区松散煤体煤温反演探测应用中的可行性。结果表明：受限于煤层赋存及开采方式等煤矿现场的实际情况，准确反演和精确定位采空区等隐蔽火源高温点和位置的探测方法和装备技术有待进一步发展；声学法探测松散煤体自燃温度的基本原理、传播衰减规律、温度场重构模型及其关键特征参量需进一步准确获取；综合考量声学测温技术原理和实现过程，该技术适用于采空区松散煤体自燃火区的环境特征，有望成为采空区隐蔽火源位置精准探测发展前景良好的探测方法。
Abstract:
In order to accurately determine the location and range of high-temperature points in the underground hidden fire areas such as goaf,the existing detection technologies of coal spontaneous combustion temperature in goaf were reviewed.The research progress and technical bottlenecks of coal seam temperature measurement methods such as infrared,distributed fiber-optic,index gas,thermocouple and isotope radon measurement methods were summarized and analyzed with emphasis,and the technical principle and realization pattern of acoustic temperature measurement was paid more attention.Combining with the advantages of hierarchical modeling and interpolation modeling,the application feasibility of the acoustic temperature measurement technology in the inversion detection on temperature of loose coal body in goaf was discussed.The results showed that limited by the actual situation of the coal mine site such as the occurrence of coal seams and mining methods,the detection methods and equipment technologies for the accurate inversion and precise positioning of high-temperature points and locations of hidden fire sources in goaf needed to be further developed.The basic principle,the law of propagation attenuation,the reconstruction model of temperature field and the key characteristic parameters of the acoustic method to detect the spontaneous combustion temperature of loose coal body needed to be further accurately obtained.Comprehensively considering the technical principle and realization process of acoustic temperature measurement technology,it is suitable for the environmental characteristics of the spontaneous combustion area of loose coal body in goaf,and is expected to become a detection method with great development prospects for the accurate detection on the locations of hidden fire sources in goaf.

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备注/Memo

备注/Memo:
收稿日期： 2021-03-06
* 基金项目： 国家自然科学基金青年基金项目（52004209）；国家重点研发计划项目( 2018YFC0808201);国家自然科学基金项目（51974240）
作者简介： 郭军，博士，讲师，主要研究方向为煤火灾害防控与应急救援。
更新日期/Last Update: 2021-07-07