煤矿瓦斯抽采监测准确计量技术应用  

Accurate metrological technology applied to mine gas drainage monitoring and measuring

作　　者：傅国廷 李波 

机构地区：[1]潞安矿业(集团)有限责任公司瓦斯研究院,山西长治046204 [2]郑州光力科技股份有限公司,河南郑州450001

出　　处：《煤炭科学技术》2016年第7期64-68,共5页Coal Science and Technology

摘　　要：针对瓦斯抽采监测系统存在的不同监测点准确计量难题,分析了瓦斯抽采管网监测准确计量影响因素,论述了基于超声相关法流量检测的钻孔汇流管测量仪在瓦斯抽采钻场钻孔监测的技术优势,以及基于横向漫反射的瓦斯浓度检测和基于循环自激式的流量检测的管道瓦斯监测设备在瓦斯抽采管网监测的技术优势;并通过现场性能对比测试,2种设备与校准设备的瓦斯体积分数、流量误差均小于5%,进一步验证用于瓦斯抽采监测准确计量的可行性。According to an accurate metrological difficult problem of different measuring point existed in the mine gas drainage monitoring and measuring system, the paper analyzed influence factors of gas drainage pipe network monitoring, the paper stated the technical advanta- ges of the borehole manifold measuring instrument applied to the borehole monitoring and measuring of the gas drainage drilling site based on the flow detection of the ultrasound related method, and analyzed the technical advantages of the pipeline gas monitoring and measuring equipment applied to the monitoring and measuring of the gas drainage pipeline network based on the lateral diffuse reflection gas concen- tration detection and based on the circulated self-excited flow detection.With the comparison measurement of the site performances, the gas concentration and flow error between the two equipments and calibration equipments was all less than 5% and could further approve the feasibility applied to the accurate metrology of the gas drainage monitoring and measuring.

关 键 词：瓦斯抽采 管网监测 互联网+ 钻孔汇流管 准确计量 

分 类 号：TD712.63[矿业工程—矿井通风与安全]