一体化超声波多层测流设备在引洮灌区中的研究与应用

Application of Integrated Multi-layer Ultrasonic Flow Measurement Equipment in Irrigation Area of Taohe River Diversion Project

基于传统明渠测流方法中存在的误差大、测量结果不准确、测量方法复杂不利于推广等问题,针对明渠测流自身的特点,结合引洮供水工程智能水量计控系统建设项目,系统研究了一种基于断面平均流速法的超声波多层测流技术,创新性采用了一体化整体封装设计保证了测流技术的稳定性和精确度。着重介绍了超声波多层测流技术的计算原理、设计结构及工程应用实例。通过将研究成果应用于引洮灌区明渠计量工作中,效果良好。

Based on the problems existing in traditional open channel flow measurement methods,such as large error,inaccurate measure⁃ment results,complex measurement method,which is not conducive to popularization,and in view of the characteristics of open channel flow measurement,combined with the construction project of intelligent water metering and control system of Taohe water supply project,a rectangular multi-layer ultrasonic flow measurement technology based on cross-section average velocity method is systematically studied,and the integrated whole package is adopted innovatively.The design ensures the stability and accuracy of flow measurement technology.The calculation principle,design structure and engineering application examples of rectangular multi-layer ultrasonic current measurement technology are emphatically introduced.Through the application of the research results to the open channel measurement in Taohe Irrigation Area,the application effect is good.