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1、INTERNATIONA1.STANDARDISO29461-1editionSend2021-09Airintakefi1.tersystemsforrotarymachineryTestmethods一F斜ife1.ementsSystemesdefi1.trationdairdadmissionpourmachinesIournantesMethodesd,essaiPartie1:E1.ementsfiItrantspourfibresStatiquesReferencenumberISO2946112021(E)COPYRIGHTPROTECTEDDOCUMENTISO2021岫rk
2、dea/山thUcdOthcnviscjftc三orrtmcehDVBiwixuioiti08phnn11UatiocBhrhotocp)Mng,ptbcatonpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanherequestedfromeitherISOattheaddressbe1.owOr1.sOXSmemberbodyinthecountryoftherequester.%,tft晒Iandonnet8CH-1214*crnicr,GenevaPhone：M1.22749O1.11
3、帆禅igjWft.orgPub1.ishedinSwitzerhndContentsForewordivItroductionScope1Normativereferences1Termsanddefinitions1SymbOiSandabbreviatedterms2Testingandc1.assificationoffi1.terefficiencies2Determinationoftheairf1.owresistanceversusthemassoftestdustcaptured4Conditioningmethodtodeterminetheminimumfractiona1
4、.testefficiency5ReportingSAnnexA(normative)Netareaca1.cu1.ation7Bib1.iography.15ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardstdiugh(ISOmote也由Pttf1.QbBGgbodyhitHCDdmttdaiStandriiWfiGSenOWhIarrtchff1.M2committeehasbeenestab1.ishedhastherighttob
5、erepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocument
6、andthoseintendedforitsfurthermaintenanceare。孤籽他幽of1.SOIECt三1.*M1.槐notrttH邻MwfergCCOrdanCe酚Fhthecdito11a1.ru1.esoftheISO/IECDirectives,Part2(seewww.iso.org/dnc1.iivcs).时瞅Onrightsd瞰怖蛤n%槐济骐ns施辟出飘冲做用贤忖docU眯棉强心硼Gsubjectofanypatentrightsidentifiedduringthedeve1.opmerUM4iow1.-w41.beintheIntroductionand/oro
7、ntheISO1.istofpatentdec1.arationsreceived(seewww.iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand姗螭醐fi%tiOnCoIMP照央融和he汗般IIi潴视小牖tion浊器(1.沿|s)0璃瞬涵?
8、isoforeword.h1.J鹿，Ed喂惘铀猫加eBdt1.W品1.mmittee魁融商麻If魏酬饵HUhnicaIa他mr三g砂”CEN/TC195,C1.eaningequipmentforairandothergases,inaccordancewiththeAgreementontechnica1.cooperationbetweenISOandCEN(ViennaAgreement).Thisrevised.secondeditioncance1.sandrep1.acesthefirstedition(ISO29461-1:2013),whichhasbeentechnica1.
9、1.yThemainchangescomparedtothepreviouseditionareasfo1.1.ows:anewtestmethod,referringtoISO16890(a1.1.parts)andISO29463(a1.1.parts),hasbeenadded;aC1.assiGcationtab1.ehasbeenadded;previousAnnexesA,B,CandDhavebeende1.eted;previousAnnexEhasbccome-AHHe-A.AIistofa1.1.partsintheISO29461seriescanbefoundonthe
10、ISOwebsite.蝌施撕戚母用酮st三iiesthiscah8(feHft祁h。UwWW蜘科岛Imembe内喻nationa1.standardsbody.AIntroductionofsuitab1.emachineryUsedimportantproductionwho1.etrbinecompressorSophisticateddeve1.opmentsubstantia1.1.yifnottakencareof.reductionofCfTiciencyenvironmenta1.conditions.Thetounderstandthatandparticu1.ateconta
11、minationisdustco1.1.ectionparts)a!sohasparticu1.ateperformanccasizerangeintakeconsideredtonoton1.yprob1.ematicsurfacecontamination.The1majoritycontributemassnorma1.1.ynumberconcentrationand(1.,0m).ofthesystems,whichfine,Fegeneratedpartic1.es.pu1.sec1.eaning.productsvariesfromsystemsIiavesurfacewiths
12、tandSuchfi1.ters,pane1.-type,C1.eanab1.ecoa1.escingproducts,fi1.terfi1.terpads,cartridgesfi1.ters,inertia1.fi1.ters,surfacefi1.tercriteria29461importantprovidesfi1.terintakecomparetheseproductsmachineryperformanceprotection.Ioadingenvnronment,p1.aysrea1.particu1.ateefficiencyRirthersuchafi1.tercanno
13、tWi1.1.predictedperformancewi1.1.addresstheperformanceoffi1.tersundersuchharshconditions.Inrotatingmachineryapp1.ications,thefi1.teringsystems,typica1.1.yasetoffi1.tere1.ementsarrangedinaturbinemanner,anforenergypartoftheorothershas1.edsystem.Theequipment;andthereforetheimportanceofgoodprotectionofI
14、1.iescsystemshasbecomemoreimportantintherecentyears.Itisknownthatparticu1.atecontaminationcandeteriorateaturbinepowersystemquiteThiseventisoftendescribedaserosionfou1.ing,*andhotcorrosion*wheresa1.tandothercorrosivevpartic1.esareknownaspotentia1.prob1.ems.Otherparticu1.atematterscana1.socausesignifi
15、cantare1.ocatedvariousofthesystems.Itimportantrangeofc1.imateairfi1.terdevicessuchsystemsverywide,rangingfromdesertstohumidrainforeststoarcticenvironments.Therequirementsonthesefi1.tersystemsareobvious1.ydifferentdependingonwheretheywi1.1.beoperating.ISO29461(a1.1.butbasedtheCfTideneyinoftheairthatisfi1.tersystemsbetheuponheavyareafortheseapp1.ications.Bothu1.tra-fineandfinepartic1.es,aswe1.1.as1.argerpartic1.es,shou1.dbeconsideredwheneva1.uatingturbinefou1.ing.Intypica1.outdoorair,u1
