南水北調(diào)東線燈泡貫流泵水力模型及裝置研究開發(fā)與應(yīng)用

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1、第7卷第6期南水北調(diào)與水利科技Vol.7No.62009年12月South-to-NorthWaterTransfersandWaterScience&TechnologyDec.2009doi:10.3969/j.issn.1672-1683.2009.06.007南水北調(diào)東線燈泡貫流泵水力模型及裝置研究開發(fā)與應(yīng)用12345馮旭松,關(guān)醒凡,井書光,湯方平,謝偉東(1.南水北調(diào)東線江蘇水源有限責(zé)任公司,南京210029;2.江蘇大學(xué)流體機(jī)械工程研究中心,江蘇鎮(zhèn)江212013;3.國務(wù)院南水北調(diào)工

2、程建設(shè)委員會(huì)辦公室,北京100053;4.揚(yáng)州大學(xué),江蘇揚(yáng)州225009;5.江蘇省水利勘測設(shè)計(jì)研究院有限公司,江蘇揚(yáng)州225009)摘要:根據(jù)南水北調(diào)東線一期工程燈泡貫流泵站設(shè)計(jì)和建設(shè)需要,以南水北調(diào)金湖泵站設(shè)計(jì)工況為基礎(chǔ),自主研制開發(fā)貫流泵水力模型裝置,利用FLUENT軟件進(jìn)行了CFD流場計(jì)算分析和設(shè)計(jì)優(yōu)化。通過天津同臺(tái)測試和專家鑒定,研制開發(fā)的兩套水力模型裝置最優(yōu)工況點(diǎn)效率分別達(dá)到79.4%和81.9%,空化比轉(zhuǎn)速達(dá)到1100以上。裝置模型綜合性能良好,運(yùn)行范圍寬,適用于1.0～4.5m的

3、特低揚(yáng)程泵站,在3m揚(yáng)程下和相同性能的立式軸流泵相比,效率約提高5%,流量提高10%以上。同時(shí),在水泵模型設(shè)計(jì)和裝置性能優(yōu)化方法上有所創(chuàng)新。關(guān)鍵詞:貫流泵;裝置;水力模型;性能試驗(yàn);泵站;軸流泵中圖分類號:TV68;TV675文獻(xiàn)標(biāo)識碼:A文章編號: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