果园规划设计图 毕业设计——果园工程规划设计.doc
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果园规划设计图 毕业设计——果园工程规划设计
酒 泉 职 业 技 术 学 院
毕 业 论 文（设计）
题 目： 果园滴灌工程规划设计
毕业时间： 2013年7月
学生姓名：
指导教师：
班 级：
2012年 12 月 18 日
1
目录
一、项目区节水灌溉综合说明·······················1
（一）绪论·······································1
（二）项目区农业的制约因素·······················1
（三）项目区节水灌溉的必要性·····················2
1、是发展节水农业提高水利用率的需要··············2
2、是缓解季节性缺水矛盾的需要····················2
3、是提高作物单产、提高地区经济实力的需要········2
4、是农业结构调整的必然选择······················3
二、果园滴灌规划设计基本资料·····················3
（一）果园滴灌工程项目概况·······················3
（二）基本资料···································3
三、滴灌技术参数确定·····························4
（一）灌溉设计保证率的确定·······················4
（二）灌溉水利用系数的确定·······················4
（三）设计土壤润湿比P的确定·····················4
（四）设计作物耗水强度的确定·····················4
（五）设计灌水均匀系数Cu的确定··················5
（六）设计湿润层深的确定·························5
四、选择灌水器、确定毛管布置方式·················6
（一）选择灌水器·································6
（二）确定毛管布置·······························6 2
（三）计算润湿比·································6
五、管网系统布置·································7
六、滴灌工程设计·································7
（一）确定灌溉制度·······························7
1、设计净灌水定额································7
2、设计毛灌水定额································8
3、设计灌水周期··································8
4、一次延续灌水时间······························8
（二）系统工作制度确定···························9
1、轮灌组确定····································9
2、轮灌组流量确定································9
3、灌水均匀度····································10
4、轮灌制度······································10
七、系统水利计算·································10
（一）流量计算及管径确定·························10
1、各级管道流量计算······························10
（1）每条毛管流量································11
（2）每条支管流量································11
（3）分干管流量··································11
2、管径确定······································11
（二）管道沿程水头损失···························11
1、毛管水头损失计算······························11 3
2、支管水头损失计算······························12
3、干管、主干管水头损失计算···
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