时差法超声波测流系统在刘老涧泵站的应用分析

Application analysis of ultrasonic flow measurement system with time difference method in Liulaojian Pumping Station

刘老涧泵站上游引河安装时差法超声波流量实时监测系统,以该流量监测系统为例,介绍时差法超声波流量计在大型泵站引河渠道中应用的工作原理、安装方式、流量计算方法等。从走航式ADCP与时差法超声波测流系统同步流量测验的比测结果看,结合泵站机组运行统计分析,该流量实时监测系统测得流量精度满足相关规范要求。在大型泵站流量测量中,该监测系统具备自动化和信息化优势,可较为明显地提高泵站各项监测能力,所获得的结果准确度更高,具备较高的应用与推广价值。

The upstream approach of Liulaojian pumping station is installed with ultrasonic flow real-time monitoring system. Taking this flow monitoring system as an example, the working principle, installation mode, flow calculation method, etc. of the application of ultrasonic flowmeter with time difference method in the approach channel of large pumping station are introduced. From the comparison results of synchronous flow measurement of traveling ADCP and time difference ultrasonic flow measurement system, combined with the statistical analysis of pumping station unit operation, the flow accuracy measured by the flow real-time monitoring system meets the requirements of relevant specifications. In the flow measurement of large pumping stations, the monitoring system has the advantages of automation and information technology, which can significantly improve the monitoring capabilities of the pumping stations. The results obtained are more accurate and have higher application and promotion value.