水轮发电机组技术方案(立式轴流定浆)-20131127

源自天成机电立式轴流定浆水轮机一、设计制造标准1.1投标文件中采用的技术标准名称和编写代号标准及标准编制机构名称缩写国际电工委员会IEC国际标准化组织ISO美国材料及试验学会ASTM美国机械工程师协会ASME欧洲工业协会CCH中华人民共和国国家标准GB电力行业标准DL原水电部标准SD原中华人民共和国机械部标准JB原中华人民共和国石油部标准SY原中华人民共和国冶金部标准YB在上述标准中，优先采用中华人民共和国国家标准、电力行业标准和原水电部标准。在国内标准缺项或不完善时，参考选用相应的国际标准或其它国家标准。选用的标准，是目前已颁布的最新版本。1.1AbbreviationinBiddingStandardandstandardauthoritiesAbbreviationInternationalElectro-technicalCommissionIECInternationalorganizationforstandardizationISOAmericansocietyfortestingandmaterialASTMAmericanSocietyofMechanicalEngineersASMEEuropeanindustryassociationCCHPRCnationalstandardGBPowersectorstandardDLFormerChineseWaterresourceministrystandardSDFormerChinesemachineryministrystandardJBFormerChineseoilministrystandardSYFormerChinesemetallurgystandardYBIntheabovestandards,Chinesenationalstandards,powersectorandformerwaterresourcesministrystandardshouldbeprevail.Theselectedstandardsarethelatestversion.1.2引用标准GB/T15468-1995水轮机基本技术条件GB/T10969-1996水轮机通流部件技术条件GB8564-88水轮发电机组安装技术规范GB/T15613-1995水轮机模型验收试验规程GB150-1998钢制压力容器JB/T8860-1997水轮发电机组包装、运输、保管规范DL/T515-93电站弯管GB/T15469-1995反击式水轮机空蚀评定GB/T17189-1997水力机械振动和脉动现场测试规程DL/T443-1991水轮发电机组设备出厂检验一般规定JB/DQ1428-88中小型水轮机产品质量分等GB/T9652.1水轮机调速器与油压装置技术条件DL/T563-95水轮机电液调节系统及油压装置技术条件GB11805-89大中型水电机组自动化元件及其系统基本技术条件IEC有关标准1.2ReferencestandardsGB/T15468-1995waterturbinebasictechnicalconditionGB/T10969-1996waterturbinethrough-flowparts’technicalconditionGB/T15613-1995theprocedureofwaterturbineacceptancetestGB150-1998SteelpressurevesselsJB/T8860-1997thespecificationofgeneratorpackaging,transportation,andstorageDL/T515-93PowerstationbendingpipeGB/T15469-1995theevaluationofreactionturbinecavitationsGB/T17189-1997thespecificationforhydraulicmechanicalvibrationandpulsefieldtestsDL/T443-99thegeneralrequirementsforgeneratorunitsfactoryinspectionGB/T9652.1thetechnicalspecificationofWaterturbinegovernorandoil-pressuredevicesDL/T563-95thetechnicalspecificationofwaterturbineelectro-hydrauliccontrolsystemandoilpressuredevicesIECrelatedstandard1.3所有螺丝、螺母、螺栓、螺杆和有关管件的螺纹使用GB或ISO标准。1.3Allbolts,nuts,screwandrelatedpipefittingthreadshouldfollowGBorISOstandard.1.4材料标准灰铸铁GB/T9439-88一般工程用铸造碳钢GB/T11352-89工程结构用中、高强度不锈钢铸件GB6969-86优质碳素结构钢技术条件GB/T699-1999碳素结构钢GB/T700-88低合金结构钢GB/T1591-1994压力容器用钢板GB6654-1996优质碳素结构钢热扎厚钢板和宽钢带GB/T711-88合金结构钢技术条件GB/T3077-1999低压流体输送用镀锌焊接钢管GB/T3091-93低压流体输送用焊接钢管GB/T3092-93输送流体用焊接钢管YB(T)44-86一般低压流体输送用螺旋缝埋弧焊钢管SY/T5037-1992一般低压流体输送用螺旋缝高频焊钢管SY/T5039-1992无缝钢管GB/T8162-1999输送流体用无缝钢管GB/T8163-1999流体输送用不锈钢无缝钢管GB/T14976-94拉制铜管GB/T1527-1997纯铜棒GB/T4423-1997碳钢焊条GB/T5117-1995低合金钢焊条GB/T5118-1995不锈钢焊条GB/T983-19951.4MaterialstandardGraycastironGB/T9439-88CastcarbonsteelforgeneralprojectGB/T11352-89Medium&highstrengthstainlesssteelcastingGB6969-86ThetechnicalconditionforhighqualitycarbonstructuralsteelGB/T699-1999CarbonstructuralsteelGB/T700-88LowalloystructuralsteelGB/T1591-1994SteelplateforpressurevesselGB6654-1996Highqualitycarbonstructuralhot-rolledsteelplateandsteelbeltGB/T711-88ThetechnicalspecificationforalloystructuralsteelGB/T3077-1999Thesteelpipeforlow-pressurefluidtransmittinggalvanizedweldedGB/T3091-93TheweldedsteelpipeforLow-pressurefluidtransmittingGB/T3092-93WeldedsteelpipeforliquidtransmittingYB(T)44-86Spiralseamsub-mergearcweldedsteelpipefornormalpressureliquidtransmittingSY/T5037-1992SpiralseamhighfrequencyweldedsteelpipefornormalpressureliquidtransmittingSY/T5039-1992SeamlesssteelpipeGB/T8162-1999SeamlesssteelpipeforliquidtransmittingGB/T8163-1999StainlesssteelseamlesspipeforliquidtransmittingGB/T14976-94DrawingcopperpipeGB/T1527-1997PurecooperbarGB/T4423-1997CarbonsteelweldedrodGB/T5117-1995LowalloysteelweldedrodGB/T5118-1995StainlesssteelweldedrodGB/T983-19951.5工作应力和安全系数材料最大许用应力拉应力压应力灰铸铁极限抗拉强度的1/1070MPa普通铸钢极限抗拉强度的1/5或屈服强度的1/3同抗拉碳素锻钢屈服抗拉强度的1/3同抗拉钢板(对于重要受力部件)极限抗拉强度的1/4同抗拉高强度钢板(对于高应力部件)屈服抗拉强度的1/3同抗拉合金铸钢屈服抗拉强度的1/3同抗拉1.5OperatingstressandsafetyfactorMaterialMaximausagestressTensilestrengthPressurestressGraysteelcastingUltimatetensilestrength1/1070MPaNormalsteelcastingUltimatetensilestrength1/5oryieldstrength1/3SamewithtensilestrengthCarbonforgedsteelYieldandtensilestrength1/3SamewithtensilestrengthSteelplate(forstressedparts)Yieldandtensilestrength1/4SamewithtensilestrengthHighstrengthsteelplate(forheavilystressedparts)Yieldandtensilestrength1/3SamewithtensilestrengthAlloycaststeelYieldandtensilestrength1/3Samewithtensilestrength二、水轮机设备特性及性能保证Waterturbineequipments’featuresandperformanceguarantee2.1功率在额定水头条件下，水轮机在额定转速为300r/min运行，空蚀损坏在允许范围内，其功率为表2-1所示：表2-1水头(m)最大出力(KW)允许的吸出高度Hs(m)最小出力(KW)额定水头132895+0.918422.1PowerUndertheratedwaterheadcondition,thewaterturbineratedrotatingspeedshouldbe300r/min,cavitationsdamageisundertheacceptablerange,table2-1illustratespower:Table2-1RatedWaterhead(m)Maxoutput(kW)Acceptabledrought-heightHs(m)MiniOutput(kW)132895+0.918422.2效率（1）在额定水头13m，发额定功率2632KW时，保证原型水轮机的效率不低于92％,相应工况点的模型效率不低于91％。（2）在全部运行范围内，原型水轮机的最高效率保证值不低于92.6％，相应工况点的模型效率不低于91.6%。（3）水轮机在设计水头和以下输出功率条件下，按额定转速运行时效率保证值。表2-2110%100%Nr90%Nr80%Nr70%Nr水轮机功率（kW）28952632236921061842额定水头13m水轮机效率(%)879288.58380水轮机流量(m3/s)27.52322.12119.2在设