滴灌系统的组成与规划设计（定

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1、膜下滴灌系统的组成与规划设计TheComponentandDesignofDripIrrigationSystemunderMulchFilm国家节水灌溉工程技术研究中心（新疆）NationalCenterofEfficientIrrigationEngineeringandTechnologyResearch-XinJiang何林望HeLinwang1、膜下滴灌系统的组成ComponentofDripIrrigationSystemunderMulchFilm水源工程Watersourceproject首部枢纽Headofpiv

2、ot输配水管网Pipenetworksforwatertransportation滴头及控制测量和保护装置Emitters,pressureregulator,measuringmeterandprotectiondevices1.水源WaterSource2．水泵Pump3.供水管WaterSupplyPipe4.蓄水池Pond5.逆止阀BackflowPreventionDevice6.施肥开关Fertilizervalve7.灌水总开关IrrigationHeadValve13.滴头Emitter14.毛管(滴灌带)Late

3、ral(Dripline)15.滴灌支管Manifold16.尾部开关(电磁阀)ZoneValve(Electricalvalve)17.冲洗阀FlushValve18肥料罐FertilizerTank19.肥量调节阀FertilizerRegulator20.施肥器FertilizerInjector21.干管MainLine2、膜下滴灌系统设备EquipmentofDripIrrigationSystemunderMulchFilm2.1滴灌管（带）Dripline(tape)柱状滴头Columnardriptape微喷带Mi

4、cro spraytape压力补偿式滴头Pressurecompensatingdriptape微喷Micro-sprinkle2.2输配水管道PipesforwatertransportationPVC干管PVCMainpipePE支管、辅管PESubmainLinepipeandFeederLinepipe2.3首部控制枢纽HeadControl水泵Pump过滤设备Filtrationdevice12347568离心式过滤器CentrifugalFilter1.出水口Wateroutlet2.进水口waterinlet3.罐体

5、tank4.接砂口sandinlet5.排砂口sandoutlet6.支架support7.接砂罐sand-inpot8.冲洗口flushingoutletCentrifugalFilter网式过滤器ScreenFilter离心网式过滤器组合UnitedCentrifugalFilterandScreenFilter砂石过滤器SandFilter工作原理OperatingPrincipleInletShelfBodyFilterMediumOutlet叠片式过滤器DiscFilter施肥罐：FertilizerTank3.膜下滴灌

6、系统的规划设计ProjectPlanningandDesignofDripIrrigationSystemunderMulchFilm3.1规划的基本原则Basicprincipleofprojectplanning滴灌工程的规划应与农田基本建设规划相结合Projectofdripirrigationshouldconsiderthebasicconstructionoffarmland.近期需要与远景发展规划相结合Requirementinthenearfutureshouldconnectwithdevelopmentinth

7、efuture.滴灌工程的规划应综合考虑工程的经济、社会和生态效益。Projectofdripirrigationshouldtakeintoaccountbenefitsofeconomic,socialandecology.3.1.2规划的内容Contentsofproject勘测收集基本资料Surveyandcollectbasicdata论证工程的必要性和可行性Evaluatenecessityandfeasibilityofproject确定工程的控制范围和规模Ascertaincontrollingareaandsco

8、peofproject选择适当的取水方式Chooseproperfetchingwatermode滴灌系统选型Choosedripirrigationsystem工程布置Projectdisposal做出工程概算Workoutprojectbudg