长距离输水工程中管路进排气设计的几个问题

长距离有压输水管路经常由于排气阀的质量问题或设计选择不当而造成过经济损失，本文根据国内外对有压输水管道气水两相流的最新理论研究和实验成果，对我国和某些国外进排气网的蛄构原理进行分析，论述长距离有压输水管路进排气阀的选型设计问题。

Several Questions about the Air Relief Valve Design of Long Distance Water Delivery along the Pipe Line

It can produce the economic loss because of the quality of the air relief valves of unreasonable design along the long distance pipe line.This paper analyses their structure principle in home and abroad according to the last theoretical studies and the experiment outcome of the biphase flow of the air and water in the pressure pipe line,disserts the design problems for selecting the type.