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
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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。Abstract: 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.
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Keywords:
- gas ultrasonic flowmeter /
- gas drainage /
- gas drainage pipeline /
- flow monitoring /
- gas flow
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