真空泵英文文献.docx

真空泵英文文献.docx

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真空泵英文文献

VacuumPumpOverview

XueJianguo

（JiangsuAsiaPacificpumpvalvetechnologylimitedcompany,JiangsuTaizhou225400）

Abstract:

Vacuumpumpisanenormousquantityofproducts,yieldgreatwide,theoutputisnothigh,butitisreallyadirectlyaffectthevacuumequipmentperformancequalityindispensablebasedproducts.Thevacuumpumpmarketinaccordancewiththeneedsofusersandhappendynamics.Marketgrowthfromthemaindrivingforceoftherapiddevelopmentofthesemiconductorindustryanddrypumpandmolecularpumpapplicationfieldofwidening.

Keywords:

vacuumpump;marketdevelopment;expand

Introduction:

Atpresent,thevacuumpumpmarketsalesofabout$20billioninannualratearound7%.Ourproductionofvacuumpumpmanufacturerofvacuumpump,allinmanysalesareabout1.5billionyuan,isonlyAmericanKINNEYcompanyannualsalesofvacuumpump[1,2].Basedontheanalysisofglobalvacuumpumpmarketwecanseethatalltypesofvacuumpumpmarketandapplicationfieldsareconstantlychanginganddeveloping.Ourcountryvacuumpumpmanufacturinghasalonghistoryandstrongfoundation,homebredvacuumpumphasbeenappliedinmanydifferentfieldsandvalidated,somepumpsalsoexportedabroad,getforeigncustomersapprovalandgoodreputation,itshouldbesaidthatChinavacuumpumpmanufacturingindomesticandinternationalmarketstillhasthehugedevelopmentspace.

1.Water-ringvacuumpump

Althoughwater-ringvacuumpumpbelongstoroughvacuumpumps,butinourcountryofpetroleum,chemicalindustry,electricpower,textile,paper,pharmaceuticalproductsstillhasalargemarket.Inaforeigncountry,waterringvacuumpumpssalestotalmarketof14%[3],afterdrypump,soSEIMEMSandNASH,suchcompaniesinChinaKINNEYinvestmentandconstructionorestablishsalesnetwork,andconstantlyexpandinourmarketshare[3].Becausewaterringpumpsaremostlycasting,processingrequirementsarenothigh,oflabor-intensiveproducts,sothedomesticwaterringpumponpricecompetitiveadvantage,thekeyistodesignimprovement,narrowthevolume,loseweight,increaseefficiency,reducetheenergyconsumption.

2.Rotarypistonpump

Rotarypistonpumpisakindofoilsealtypevacuumpump.Becauserotarypistonpumpmoredurable,reliable,variousdomesticandinternationalvacuumfurnace,coatersanddryingequipment,dippingwithrotarypistonpumpisaformerlevelrotarypistonpumppump,butcastingheavy,processinglargerworkload,sotheforeignvacuumfactoryallseekpartnershipinChina.Inordertomakethehomemaderotarypistonpumpcanentertheinternationalmarket,wemustfurtherreducepumpvibrationnoise,preventleakageandimproveinjectionandrotarypistonpumplong-termoperationreliability.

3.Straightleaguerotaryvanepumps

Alongwiththevacuumtechnologyineachapplicationdomainexpandsunceasingly,straightleaguerotaryvanepumpsthegrowingdemand.Becauseofthispumpnumber,processingandassemblingworkloadisverybig,priceisverylow,sosomeforeignvacuummanufacturersinChinabuildplants.Domesticsmallandmedium-sizedstraightleaguerotaryvanepumpsintechnologyhavepass,priceandfarthanforeignpumpcheap,sodomesticpumpstillhasacompetitiveadvantage,thekeyistosolvetheshaftsealleakageandrotaryvanematerialsandvacuumpumpoilperformancequalityproblems,ensurethatstraightleaguepumpinthehighspeed,hightemperatureperformanceisstableandreliableoperation,andmeanwhile,furtherimprovethedomesticstraightleaguerotaryvanepumpsbesideswatervaporability.

4.ROMBatesvacuumpump

FromabroadROMBatesvacuumpumpproductionsituation,theforeignseveralbigcompanies,suchastheLEYBOLD,ALCATELLBALZERS,EDWARDSandULVAC,theyeachROMsalesofBatespumpofworldROMBatespumpsalesproportionofmorethan5%,whicharenotonly20%,total5homeBatespumpoutputrobbenisnotbig,butforeignROMBatespumppricesthandomesticpumpismuchhigher[4].Atpresent,thedomesticandforeignalmostallthelargeorsmallhighvacuumandvacuumsystem,inordertoshortenthesuctiontimeandimproveproductionefficiencyisequippedwithROMBatespump,sohomebredROMBatespumpmustbeinoccupieddomesticmarketbasedonmanagedtoentertheinternationalmarket,sowemustfurtherreducedomesticROMBatespumpvibrationnoise,thoroughlysolvetheshaftsealleakageproblemandimprovethequalityandimprovetheappearanceofthepumpinsidethefinishandcleannessofpump.Additional,evenconsideringsomecountriesandregionsofpowerfrequencyfor60HZ,moremakesurePaulBatespumpinimprovingspeedundertheconditionofthelong-termoperationalreliability.

Atpresent,thedomesticairtypein-lineatmosphericROMBatespumpprogresssoon,technologyhasmaturedon.Becauseofthispumpintheventbelowcontaininggascooler,onepartiscooledtheairthroughpipelinepumpchambertocooltherotorreturns,thusmakerefrigeratorheattobebalanced,sothiskindofpumpcanbein-lineatmosphere.Inordertomeetdifferentrequirementsoflimitingvacuumpumpseries,thiscanbeused,generalappendingaairtypein-lineatmosphericROMBatespumps,reachlimitvacuumpumphighlevelthanbeforeanorderofmagnitude.Thispumpbecauseinpumpchamberwithoutworkingmedium,isactuallybelongtodrypump.Atpresent,thiskindofairtypein-lineatmosphericROMBatespumpandcrewhaveinpetroleum,chemical,plastic,pesticide,turbinerotordynamicbalance,aerospacespacesimulationdevicegotlong-termoperationofthetest,soitshouldbepopularizedandappliedinChina[5].

5.Molecularpump

Molecularpumpinthefieldofmanyforeignsemiconductorprocessoccasionisusedinsteadofcryogenicpumps,especiallysputtering,etchingandLCVDdevicesareadoptedcomplexmolecularpumpandtractionpumpasthemainpump.

Becauseofmolecularpumptowatervaporisonlythepumpingspeedwithdiametercryogenicpumpspumpingspeedinthequarter,somolecularpumpexhausttimethancryogenicpumpslong.Inordertoimprovethepumpingspeed,foreigninmolecularpumpinletsidetoinstalla-130℃~150℃low-temperaturecooling-plate,calledlow-temperaturemolecularpump,vaporbylow-temperatureboard,othergasiscapturedbymolecularpumpedaway[6].Thiskindoflowmolecularpumpinthevacuumcoatingonthedeviceapplication,itraisedproductionefficiencyandimprovesthecoatingquality.WithChina'ssemiconductorindustry,filmindustryandscientificresearchundertakingdeveloprapidly,molecularpumpshouldbefocusingonthedevelopmentofourcountryvacuumpumpmanufacturing.First,molecularpumptoestablishacompleteseriesofchildhood,andresearchanddevelopmentofdifferentcomplexmolecularpump,tractionpumpandlowtemperaturemolecularpump,inordertomeetdifferentsituationtheneed.

6.Drytypemechanicalvacuumpump

Foreigndrytypemechanicalvacuumpumpmarketisgrowing,itsmaindrivefromthesemiconductorindustry,chemicalindustry,filmindustryrapiddevelopment.InJapan,semiconductorindustryisfullalreadyusedryvacuumpumpoilsealtypeJiXieBeng,euramericaninsteadofsemiconductorindustrymorethan45%replacedwithdryvacuumpumpoilsealtypeJiXieBeng,greatlyimprovingtheproductperformanceandquality.Inordertomeetdifferentapplicationsandrequirementsofdifferentworkingconditions,abroadhavemultistageROMBatesvacuumpump,multi-stageclawtypevacuumpump,screwvacuumpumpandthevacuumpump,reciprocatingtypevortexpistonvacuumpumpandturbineoilfreepumpetc.Extremepressurefrom10PA~10-2PA,pumpingspeedfrom20M3/H~500M3/H.Accordingtostatistics,atpresentdomesticdrypumpapplicationisinsufficientstill1%[7],domesticsemiconductorindustrywithdrypumpallimportedfromabroad,itspriceisveryexpensive.Therefore,ourcountryshouldvigorouslyresearchanddevelopmentdrypump,andletthedryvacuumpumpbecomeChina'sindustrialneweconomicgrowthpoint.

7、Vacuumpumptechnologyprogresstrend

Technologyistheimpulsionofthedemandofthemarket.Becausethevacuumtechnology,expansionandtherapidgrowthofhigh-tech,thedomesticmarkettothevacuumpumptechnologylevelputforwardhigherrequest.Thevacuumpumpproductionenterprisesmustthroughtechnicalinnovationandtheadjustmentofproductmixtwowaystopreservetheoriginalmarket,andthuscontinuetoexpandthemarketshare.

7.1、Enhancethevacuumpumpreliability,reducethevibrationandnoise,payattentiontothevacuumpumpcomprehensivelevel.

Overthepastseveralyears,vacuumpumpmanufacturerpaysattentiontomainperformanceindexes,suchas,extremepressure,pumpingspeedetc,andignorethevacuumpumpcomprehensiveperformance.Andnow,productreliability,performancestabilityandtheenvironmentpollutioncausedbygraduallybecomeusersbuyproductsfactors.Forrotaryvanepumps,,rotarypistonpump，luoBatespumpconcernedwillmaturesuchreliabilitydesignconceptappliedtovacuumpumpdesign,thereliabilitydesign,reliabilityexperimentstodramaticallyimproveaspectsthefreetime,vacuumpumpreliability,stabilityandlife,ensurevacuumpumpcanundervariousworkingconditionslong-termreliableoperation.Byadoptingnewtechnology,newmaterial,newstructuretoreducethevibrationandnoise,solvepumpoilspraying,oilleakageproblem,butalsoacleanuserfriendlyworkingenvironment.

7.2、Vacuumpumptoindividuation,diversificationdevelopment.

Enterprisefaceiseverchangingmarket,andourvacuumpumpproductsbutwakinggreatly.Productandmarketofcohesion,makewedon'tlosemanyopportunities.Thevacuumpumpnextdevelopmentshouldbefacingpersonalizedand