文档介绍：毕业论文
题目: 果园喷灌系统设计及分析
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毕业论文中文摘要
果园喷灌系统设计及分析
摘要:题目设计的是利用种植园地附近深井的水源,在峪口一块苹果树地中铺设一套喷灌系统,以增加对水源的利用率,缓解此地的干旱情况,以提高苹果的产量。设计的主要内容包括:对灌区的自然条件、生产条件和社会条件等基本的资料调查、收集、和整理,确定运行方案,并进行了轮灌编组与工作制度确定,不同灌水定额情况下的运行参数的计算等。另外管道系统设计包括各级管道的布置,管长、管径以及连接方式的设计、动力设备的制定包括控制设备的选择、喷洒器的选型、水泵的选型、水泵工作范围及扬程计算、泵配套动力的选择等。除此之外,本设计还进行了设备的投资预算及经济分析,包括喷灌系统设备明细和投资预算、运行费用计算等,并计算了效益费用比和还本年限。
关键词:喷灌系统系统设计经济效益苹果树
毕业论文外文摘要
Design and Planning of The Sprinkling Irrigation System in The NumberⅠApple Garden area
Abstract
Subject under discussion to utilize source of water of well, in arid loess plateau lay one sprinkling irrigation system in the one area, in order to increase the utilization ratio to the source of water, the situation of alleviating the valley and arid, improve the output of the apple.
The main content designed contain: Operation scheme,To take turns irrigation system go anize into groups sureness of working system, different operation parameters that pours water under the quota situation, Pipeline system, At all levels pipeline assign, pipe choose, pipe diameter, in charge of long connecting designing of way, control the choice of the equipment, choose and work sureness of the parameter, etc. in type of the spraying the pump station pressurizing Choice, water pump of type, sureness, water pump of working range, lift of water pump calculate and related power choice of equipment, investment budget of the equipment and economic analysis Including sprinkling irrigation system equipment detail and investment budget, operate the expenses to calculate etc. It calculate with lasting economic analysis by law benefit expenses than and service life of repaying principal.
Keywords:rinkling irrigation system Conceptual design Economic benefits Apple tree
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