地下煤自燃隐蔽火源探测方法综述及新技术展望*

doi:10.16265/j.cnki.issn1003-3033.2022.08.0296

中国安全科学学报 ›› 2022, Vol. 32 ›› Issue (8): 111-119.doi: 10.16265/j.cnki.issn1003-3033.2022.08.0296

地下煤自燃隐蔽火源探测方法综述及新技术展望*

郭军¹^,²^,³(), 刘华¹^,^**(), 金彦¹, 蔡国斌¹, 刘荫¹, 杨盼盼¹

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 西安科技大学国家矿山应急救援(西安)研究中心,陕西西安 710054

收稿日期:2022-01-11 修回日期:2022-05-13 出版日期:2022-09-05
通讯作者:
^** 刘华(1996—),男,陕西韩城人,硕士研究生,研究方向为矿山应急救援及煤火灾害防治。E-mail: 15771635762@163.com。
作者简介:
郭军 (1987—),男,陕西咸阳人,博士,副教授,硕士生导师,主要从事矿井热动力灾害及应急救援技术等方面的研究。E-mail: guojun@xust.edu.cn。
基金资助:
国家自然科学基金青年项目资助(52004209); 国家自然科学基金面上项目资助(52174198); 国家重点研发计划项目(2018YFC0808201)

Summary of underground hidden coal spontaneous combustion fire source detection methods and prospect of new technologies

GUO Jun¹^,²^,³(), LIU Hua¹^,^**(), JIN Yan¹, CAI Guobin¹, LIU Yin¹, YANG Panpan¹

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 of China, Xi'an University of Science and Technology, Xi'an Shaanxi 710054, China
³ Xi'an Research Center of National Mine Rescue, Xi'an University of Science and Technology, Xi'an Shaanxi 710054, China

Received:2022-01-11 Revised:2022-05-13 Published:2022-09-05

摘要/Abstract

摘要：

为精确判定地下隐蔽高温火区的位置和范围,针对现有隐蔽火源探测常用的技术手段(热红外探测法、电阻率法、气体探测法、测氡法及数理解算法等)的原理及应用概况,分析煤矿井下隐蔽火源探测技术的研究发展现状,对比各类探测技术手段优缺点。结果表明:现有的常规探测技术可一定程度上实现煤矿井下采空区隐蔽火源位置探测及圈定,但受实际环境因素影响较大,难以实现位置和煤自燃程度的精准判定。声学法测温技术是一种相对成熟有效的温度检测技术,已在大气、海洋、高炉测温等领域广泛应用。在学科交叉融合理念的推动下,结合煤矿采空区隐蔽火源探测需求,探索基于声学法的煤体温度场重构方法,将为采空区隐蔽火源的精准探测技术发展提供新的研究方向和研发思路。

关键词: 煤自燃, 隐蔽火源, 探测法, 采空区, 声学测温

Abstract:

In order to accurately identify the location and scope of underground hidden high-temperature fire areas, research and development status of the hidden fire source detection technology in coal mines were analyzed based on principles and application overview of current commonly used detection methods (such as thermal infrared detection method, resistivity method, gas detection method, radon measurement method and mathematical understanding algorithm, etc.) and advantages and disadvantages of these detection techniques were compared. The results show that although existing conventional detection methods may detect and delineate hidden fire locations in mined-out areas of coal mines, it is difficult to accurately determine the location and degree of coal spontaneous combustion due to severe impacts of actual environmental factors. Acoustic temperature measurement method, as a mature and effective technology, has been widely used in fields of atmosphere, ocean, and blast furnace temperature measurement. Driven by the concept of cross-discipline integration, and given the demand for hidden fire source detection in goaf, exploring reconstruction method of coal temperature field based on acoustic method will provide new perspectives for the development of precise hidden fire source detection technologies.

Key words: coal spontaneous combustion, hidden fire source, detection method, goaf, acoustic temperature measurement

郭军, 刘华, 金彦, 蔡国斌, 刘荫, 杨盼盼. 地下煤自燃隐蔽火源探测方法综述及新技术展望*[J]. 中国安全科学学报, 2022, 32(8): 111-119.

GUO Jun, LIU Hua, JIN Yan, CAI Guobin, LIU Yin, YANG Panpan. Summary of underground hidden coal spontaneous combustion fire source detection methods and prospect of new technologies[J]. China Safety Science Journal, 2022, 32(8): 111-119.

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地下煤自燃隐蔽火源探测方法综述及新技术展望*

Summary of underground hidden coal spontaneous combustion fire source detection methods and prospect of new technologies

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