气体超声流量计在煤矿井下瓦斯抽放及压风中的应用  

Application of gas ultrasonic flowmeter in gas drainage and air pressure in coal mine

作　　者：冯超 朱艳军 FENG Chao;ZHU Yanjun(Wuyang Coal Mine of Lu'an Chemical Industry Group,Changzhi 046200,China)

机构地区：[1]山西潞安化工集团五阳煤矿,山西长治046200

出　　处：《煤矿安全》2021年第9期142-146,共5页Safety in Coal Mines

摘　　要：分析了煤矿井下瓦斯抽放管道常用的孔板流量计、V锥流量计、旋进旋涡流量计、涡街流量计主要优缺点;介绍了瓦斯抽放管道气体超声流量计工作原理,设计瓦斯抽放管道气体超声流量计测量系统;重点论述了气体超声流量计测量系统数字信号处理技术;详细说明了气体超声流量计在煤矿井下瓦斯抽放及压风中的应用情况。The main advantages and disadvantages of orifice flowmeter, V-cone flowmeter, precession vortex flowmeter and vortex street flowmeter are analyzed;the working principle of gas ultrasonic flowmeter in gas drainage pipeline is introduced, and the measurement system of gas ultrasonic flowmeter in gas drainage pipeline is designed;this paper focuses on the digital signal processing technology of gas ultrasonic flowmeter measurement system;the application of gas ultrasonic flowmeter in gas drainage and air pressure in coal mine is described in detail.

关 键 词：气体超声流量计 瓦斯抽采 瓦斯抽放管道 流量监测 瓦斯气体流量 

分 类 号：TD712.63[矿业工程—矿井通风与安全]