低压管道输水灌溉技术

Low-pressure Pipeline Irrigation Technique

本文首先介绍了低压管道输水灌溉的优点，认为管道输水可减少渗漏损失和蒸发损失，与土垄沟相比，管道输水损失可减少5豫，水的利用率比土渠提高了30豫-40豫，比混凝土等衬砌方式节水5豫-15豫。然后详细介绍了管道输水灌溉系统的各项组成部分，最后提出了采用低压管道输水灌溉技术应该注意的一些事项。

This paper first describes the advantages of low-pressure pipeline irrigation which can reduce seepage losses and evaporation losses. Compared with soil ditches, pipeline irrigation water loss can be reduced by 5%, and the utilization ratio of water can be improved by 30%to 40%compared with soil drainage, saving 5%to 15%water than concrete lining. Then the components of pipeline irrigation system are introduced in detail and finally the matters needing attention in using low-pressure pipeline irrigation technique are put forward.