煤矿冲击地压和煤与瓦斯突出感知报警方法研究

孙继平; 程继杰

doi:10.13272/j.issn.1671-251x.17881

煤矿冲击地压和煤与瓦斯突出感知报警方法研究

doi: 10.13272/j.issn.1671-251x.17881

中国矿业大学(北京) 机电与信息工程学院, 北京　100083

基金项目: 国家重点研发计划资助项目(2016YFC0801800)。

详细信息

作者简介:
孙继平(1958—)，男，山西翼城人，教授，博士，博士研究生导师，中国矿业大学(北京)信息工程研究所所长，原副校长；获国家科技进步奖和技术发明奖二等奖4项(第1完成人3项)；作为第1完成人获省部级科技进步特等奖和一等奖8项；作为第１完成人主持制定中华人民共和国煤炭行业和安全生产行业标准38项；作为第１发明人获国家授权发明专利100余件；主持制定《煤矿安全规程》第十一章“监控与通信”；作为第1作者或独立完成著作12部；被SCI和EI检索的第1作者或独立完成论文90余篇；作为国务院煤矿事故调查专家组组长参加了10起煤矿特别重大事故调查工作；E-mail:sjp@cumtb.edu.cn

中图分类号: TD324/712.7
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出版历程
- 收稿日期: 2022-01-10
- 修回日期: 2022-01-12
- 刊出日期: 2022-01-20

Study on the perception and alarm method of coal mine rock burst and coal and gas outburst

School of Mechanical Electronic and Information Engineering, China University of Mining and Technology(Beijing), Beijing 100083, China

摘要

摘要: 提出了基于温度的冲击地压和煤与瓦斯突出感知报警方法：使用红外热像仪等监测物体温度，使用甲烷传感器监测环境甲烷浓度；当物体温度高于煤矿井下环境温度和已暴露煤岩温度，并且高于环境温度和已暴露煤岩温度的物体数量较多、体积和面积较大，则判定发生冲击地压、煤与瓦斯突出、矿井火灾或瓦斯和煤尘爆炸事故；进一步判别高温物体温度，若大于设定阈值，则判定发生矿井火灾或瓦斯和煤尘爆炸事故，反之，则判定发生冲击地压或煤与瓦斯突出事故；进一步分析甲烷浓度变化，若甲烷浓度迅速升高，则判定发生煤与瓦斯突出事故，反之，则判定发生冲击地压事故。提出了基于速度的冲击地压和煤与瓦斯突出感知报警方法：使用激光雷达、毫米波雷达、超声波雷达、双目视觉摄像机等监测物体移动速度，使用甲烷传感器监测环境甲烷浓度；当物体移动速度不小于设定阈值时，则判定发生冲击地压、煤与瓦斯突出或瓦斯和煤尘爆炸事故；进一步判别速度异常物体的数量、体积和面积，若速度异常物体的数量较少、体积和面积较小，则判定发生瓦斯和煤尘爆炸事故，若速度异常物体的数量较多、体积和面积较大，则判定发生冲击地压或煤与瓦斯突出事故；进一步分析甲烷浓度变化，若甲烷浓度迅速升高，则判定发生煤与瓦斯突出事故，反之，则判定发生冲击地压事故。提出了多信息融合的冲击地压和煤与瓦斯突出感知报警及灾源判定方法：监测并融合温度、速度、加速度、掩埋深度、声音、气压、风速、风向、粉尘、甲烷浓度、设备状态、微震、地音、应力、红外辐射、电磁辐射、图像等多种信息，感知冲击地压和煤与瓦斯突出；通过不同位置参数变化的幅度、先后时序关系及传感器损坏情况，判定灾源。
- 冲击地压 /
- 煤与瓦斯突出 /
- 瓦斯和煤尘爆炸 /
- 矿井火灾 /
- 灾害感知 /
- 灾害报警
Abstract: The paper puts forward a perception and alarm method of rock burst and coal and gas outburst based on temperature. The infrared thermal imager is used to monitor the temperature of objects, and the methane sensor is used to monitor the concentration of ambient methane. When the temperature of the objects is higher than the ambient temperature of the coal mine and the temperature of the exposed coal rock, and the number, volume and area of objects that are higher than the ambient temperature and the temperature of the exposed coal rock are large, it is determined that rock burst, coal and gas outburst, mine fire or gas and coal dust explosion accidents have occurred. The temperature of the high temperature object is further determine. If it is greater than the set threshold, it is determined that a mine fire or a gas and coal dust explosion accident has occurred. Otherwise, it is determined that a rock burst or a coal and gas outburst accident has occurred. The change of methane concentration is further analyzed. If the methane concentration rises rapidly, it is determined that a coal and gas outburst accident has occurred. Otherwise, it is determined that a rock burst accident has occurred. The paper puts forward a perception and alarm method of rock burst and coal and gas outburst based on velocity. The lidar, millimeter-wave radar, ultrasonic radar, binocular vision camera are used to monitor the moving speed of objects. The methane sensors are applied to monitor the concentration of ambient methane. When the moving speed of the object is not less than the set threshold, it is determined that rock burst, coal and gas outburst or gas and coal dust explosion accident have occurred. The number, volume and area of objects with abnormal velocity is further determined. If the number of objects with abnormal velocity is small, the volume and area are small, it is determined that a gas and coal dust explosion accident has occurred. If the number of objects with abnormal velocity is large, the volume and area are large, it is determined that a rock burst or a coal and gas outburst accident has occurred. The changes of methane concentration are further analyzed. If the methane concentration increases rapidly, it is determined that a coal and gas outburst accident has occurred. Otherwise, it is determined that a rock burst accident has occurred. A multi-information fusion method for perception, alarming and judging disaster source of rock burst and coal and gas outburst is proposed. The method monitors and integrates various information such as temperature, speed, acceleration, burial depth, sound, air pressure, wind speed, wind direction, dust, methane concentration, equipment status, micro-seismic, geosound, stress, infrared radiation, electromagnetic radiation and images so as to monitor the pressure and coal and gas outbursts. The source of the disaster is determined through the magnitude of parameter changes at different locations, the sequence relationship and sensor damage.
- rock burst /
- coal and gas outburst /
- gas and coal dust explosion /
- mine fire /
- disaster perception /
- disaster alarm

HTML全文

图 1 基于温度的冲击地压和煤与瓦斯突出感知报警方法流程

Figure 1. Flow of rock burst and coal and gas outburst perception alarm method based on temperature

下载: 全尺寸图片幻灯片

图 2 基于速度的冲击地压和煤与瓦斯突出感知报警方法流程

Figure 2. Flow of rock burst and coal and gas outburst perception alarm method based on velocity

下载: 全尺寸图片幻灯片

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