机械与动力工程多级泵中英文翻译外文翻译外文文献翻译Word下载.docx
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机械与动力工程多级泵中英文翻译外文翻译外文文献翻译Word下载.docx
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multistagepumpsmainlycomposedofastator,rotor,bearingsandsealoffourparts:
1,multi-stagepumpstatorismainlycomposedofasuctionsection,middleparagraphandout,suchasguidevanecomponent,therewillbetensionboltclampingparagraphs,posinginstudio.Dtypepumpgenerallevelofaspiration,verticalspitup;
usedinoilfieldwaterinjection,pumpinletandoutletareverticalupward.DGtypemultistagepump,entranceareverticalupward.
3,multi-stagepumpbearingsbythebearingbody,abearingandabearingglandcomponents,bearingswithgreaseoroillubrication.
4,multi-levelsoftpackingshaftsealsealing,mainlybywaterandtheendcoverofthesealedboxbody,filler,composedoftheretainingring.Dtypepumpwaterpumpwaterfromthepressureofthewater.DGtypepumpsealwaterfromanexternalwatersupply.
In5,themulti-stagepumprotarypumpthroughtheflexiblecouplingdrivendirectlybytheoriginalmotivation.Fromtheoriginalmotivationdependsonthepump,pumpisclockwise,DtypeDGpumpisahorizontalsinglesuctionmulti-stagecentrifugalpump.Forthetransportofwater(containingimpurityislessthan1%,particlesizeoflessthan0.1mm)orsimilarphysicalandchemicalpropertiesinwaterandotherliquids.Dtypepumpfortransportingmediumtemperaturelessthan80DEGC,suitableforminedrainage,waterflooding,factoriesandcityto,drainageandotheroccasions.Oilfieldwaterinjectionpumpaccordingtocorrosion,pumpusingdifferentmaterials.DGtypepumpfortransportingmediumtemperaturelessthan105DEGC,applicabletoallkindsofboilerfeedwater
Twotwo,multistagepumpwithsinglestagepumpdifference
1,single-stagepumpistheonlyoneofthepumpimpeller,themaximumliftisonly125meters;
2,pumpreferstotwoormorethantwoofthepumpimpeller,themaximumcanliftmorethan125m;
Multistagepumpheadinasingle-stagepumpneedsmustbeequippedwithtwomotorcase,throughanincreaseinthenumberofimpellerwithfourmotors,whichcanincreasepumplifeandreducethenoiseoftheunit,butthemultistagepumprepairrelativesinglestagepumpisalittledifficult.
In3,theactualneedsofpumpheadislessthan125meters,theareaunderthepumpingstation,pumpprices(ingeneralmulti-stagepumppricesthanthehighsingle-stagepump),andotherfactorstoconsiderintheselectionofasingle-stagepumporpump.Withthedevelopmentoftechnology,single-stageimpellerpumpcanpumpbyincreasingthespeedtoincreasethepumphead,insteadofmultistagepump,butthepriceisalittle..
Inthree,themulti-stagepumpmaintenanceandoperationsmanagementattention
Pumppowertobedividedintotwoareaswiththemachine,themachine,themainmaintenancerecordsoftheprevioustuneoutthanyouknow.Thesecondistheaspectofpower,tounderstandthepowerofeachpumpmotor,controlsystemofhisunderstandingofacertainfourmultistagepumpmaintenanceandoperationsmanagementattention
Pumppowertobedividedintotwoareaswiththemachine,themachine,themainmaintenancerecordsoftheprevioustuneoutthanyouknow.Thesecondistheaspectofpower,tounderstandthepowerofeachpumpmotor,controlsystemofhisunderstandingofacertain.Fivestagepumpparameter
DandDGseriesmultistagecentrifugalpumps
流量:
6.3~450立方米每小时
扬程75~685米
HEAD:
75~685米
Capacity:
电机功率:
5.5~1050kw
Motorpower:
产品标准:
JB/T1051-93
Productstandard:
Theexaminationofmultistagepump,pipelineandcombinedwithorwithoutloosening.Manualrotationofmultistagepump,multistagepumpisflexibleat.
Thebearingbody,tojointhebearinglubricatingoil,theoillevelshouldobservesubjectatthecenterline,thelubricatingoilshouldbereplacedorsupplemented.
Themultistagepump,unscrewthediversionplug,pouringwaterdiversion(orleadpaste).
For,closeoutletpipelinevalveandoutletpressuregaugeandvacuumgauge.
In,movethemotor,lookatthemotorturningrightornot.
Asalong-termdisabled,multistagepump,thepumpallopen,drymoisture,therotatingpartandjointcoatedwithgrease.
Hetriedtocontrolmultistagepump,flowandheadinsignsmarkedontherange,toensurethatthemultistagepumpatmaximumefficiencypointoperation,inordertoachievemaximumenergysavingeffect.
The,multistagepumpduringoperation,bearingtemperaturecannotbehigherthanambienttemperature35C,thehighesttemperaturenotexceeding80C.
If,asisfoundinmultistagepumpwithabnormalsoundshouldstopandcheckthereason.
I,multistagepumptostop,andthenclosethevalve,pressuregauge,thenstopthemotor.
We,multistagepumpatworkwithinthefirstmonth,100hoursafterthereplacementoflubricants,laterevery500hours,changingtime.
Indailylife,multi-stagepumpsoftenadjustglandpackingleakage,ensureindoornormal(todropoutasappropriate).
Province,regularlycheckthepumpshaftsleevewearcondition,wearalargershouldbereplacedafter.
,multi-stagepumpinthewinterseason,wheninuse,afterstoppingthepumpbody,lowerdrainplugunscrewmediumplacednet.Topreventthefrostcrack.
,themotorisstarted,whenthemulti-stagepumpofnormaloperation,toopentheoutletpressuregaugeandvacuumpumpastheshowproperpressure,graduallyopenthegate,atthesametimetochecktheelectricalload.
Sevenstagepumpclassification
Multistagepumpseries,accordingtothedifferentappearanceisdividedinto:
verticalandhorizontalmultistagepump.
Inaccordancewiththelumberisdividedinto:
stainlesssteelmulti-stagepump,multistagepump,LGDamultistagepump.
Eightstagepumpworkingprinciple:
Multistagepumpisacentrifugalpump,butalsodependontherotationoftheimpellercentrifugalforceintheacquisition,thusmaterials.Gasdensitytobethescopeofworkofmechanicalvacuumpumpswasdrawnout,therebygaininghighvacuum.
Inthemulti-stagepumpbodywiththerightamountofwaterastheworkingfluid.Whentheimpellerrotatesclockwisedirection,thewaterwasthrownaroundtheimpeller,duetotheeffectofcentrifugalforce,thewaterdecidedtoformapumpcavitysuchastheshapesimilartothethicknessoftheclosedring.Thenextpartofthewaterringcoincideswiththeinnersurfaceoftheimpellerwheeltangent,waterringcoincideswiththeinnersurfaceoftheupperleavesofthetopcontact(infacttheleavesinthewaterringwithinacertaindepth).Atthispointtheimpellerwheelandthewaterformacrescent-shapedspacebetweentherings,andthisspacehasbeendividedintotheimpellerandbladesofanequalnumberofanumberofsmall.
Ifthelower0degreesasastartingpoint,thentheimpellerrotating180degreesinfrontofthecavityvolumefromsmalltolarge,andwiththeendofthesuctionmouthiscommunicated,thegasisinhaled,whenthesuctionendandtheinletcavityisisolated;
whentheimpellercontinuestorotate,thesmallchamberbyasmallchange,makethegasiscompressed;
whenthecavityconnectedwiththeexhaustport,thegaswillbedischargedoutofthepump.
Tosumup,themulti-stagepumpisapumpchamberonthechangesinvolumetoachievesuction,compressionandexhaust,soitcanbeavariablevolumepump.
Multistagepumpcanbeusedforpetroleum,chemical,machinery,mining,lightindustry,medicineandfood,andmanyotherindustrialsectors.Inindustrialproductioninmanyprocesses,suchasvacuumfilter,vacuumdiversion,thevacuumfeed,vacuumevaporation,vacuumconcentration,vacuumandvacuumdegassingresurgence,multistagepumpsarewidelyused.Pumpingflammable,explosivegas,canalsobepumpinggascontainingdust,moisture,therefore,waterringpumpapplicationsisincreasing.
Fault:
waterpumpsuctionpressuregaugeandvacuumgaugepointerseverebeating
Reason.
1perfusiondiversionisnotenough
The2pipelineandmeterjointleakage
3smokewaytoohigh
Method.
The1checkvalveorwaterleakage.Hirefootdiversion
2tighteningtheairleakage
3lowerhighwater
waterpumpsuctionvacuummetershowshighvacuum
The1valveisnotopenorhasbeenblocked
The2pipelineresistanceistoolarge
The3filterclogging
The1checkvalve
2replacingabsorbent
3cleanthefilter.
pressuregaugepressurebutstillnowa
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