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1、第7卷第6期南水北调与水利科技Vol.7No.62009年12月South-to-NorthWaterTransfersandWaterScience&TechnologyDec.2009doi:10.3969/j.issn.1672-1683.2009.06.007南水北调东线灯泡贯流泵水力模型及装置研究开发与应用12345冯旭松,关醒凡,井书光,汤方平,谢伟东(1.南水北调东线江苏水源有限责任公司,南京210029;2.江苏大学流体机械工程研究中心,江苏镇江212013;3.国务院南水北调工
2、程建设委员会办公室,北京100053;4.扬州大学,江苏扬州225009;5.江苏省水利勘测设计研究院有限公司,江苏扬州225009)摘要:根据南水北调东线一期工程灯泡贯流泵站设计和建设需要,以南水北调金湖泵站设计工况为基础,自主研制开发贯流泵水力模型装置,利用FLUENT软件进行了CFD流场计算分析和设计优化。通过天津同台测试和专家鉴定,研制开发的两套水力模型装置最优工况点效率分别达到79.4%和81.9%,空化比转速达到1100以上。装置模型综合性能良好,运行范围宽,适用于1.0～4.5m的
3、特低扬程泵站,在3m扬程下和相同性能的立式轴流泵相比,效率约提高5%,流量提高10%以上。同时,在水泵模型设计和装置性能优化方法上有所创新。关键词:贯流泵;装置;水力模型;性能试验;泵站;轴流泵中图分类号:TV68;TV675文献标识码:A文章编号:1672-1683(2009)06-0032-04DevelopmentandApplicationonHydraulicModelandEquipmentofBulbTubularPumpsintheEasternRouteoftheSouth-t
4、o-NorthWaterTransferProjectFENGXu-song1GUANXing-fan2,JINGShu-guang3,TANGFang-ping4,XIEWei-dong5(1.JiangsuWaterSourcesCo.Ltd.,theEasternRouteProjectoftheSouth-NorthWaterTransfers,Nanjing210029,China;2.TechnicalandResearchCenterofFluidMachineryEngineer
5、ing,JiangsuUniversity,Zhenjiang212013,China;3.TheOfficeoftheSouth-to-NorthWaterDiversionProjectConstructionCommissionoftheStateCouncil,Beijing100053,China;4.YangzhouUniversity,Yangzhou225009,China;5.JiangsuSurveyingandDesignInstituteofWaterResourcesC
6、o.Ltd.,Yangzhou225009,China)Abstract:AccordingtodesignandconstructionofthebulbtubularpumpstationsinthefirstphaseofSouth-to-NorthWaterTransferProject,basedontheconditionofJinhupumpstation,R&Dweremadeonthehydraulicmodelandequipmentofbulbtubularpumps,th
7、eflowfieldwascalculatedandanalyzedbycomputationalfluiddynamics(CFD)withFLUENTcode,andthehydraulicmodelwasoptimized.TestedbyTianjintest-bedandjudgedbytheexperts,fortwohydraulicmodelandservices,thebestpowerefficiencyreaches79.4%and81.9%respectively,and
8、cavitationspecificspeedisover1100.Theintegratedcapabilityisadvancedwithwidehigh-efficiencyscopeadaptingtothepumpstationwhichwaterheadisbetween1.0～4.5m.Comparedwithalikeverticalaxialflowpump,thebulbtubularpumpsraisedthepowerefficiencyover5%andflowcapa
