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2016Vol.26No.2JournalofFiltration&Separation(,710201):。,。GB/T6886《》、GB/T6887《》、GB/T20100《》GB/T25863《》。()。(),。。:;;:TQ050.4;TB383:A:1005-8265(2016)02-0031-06:2015-12-27:(1965-),,,:,E-mail:13201562360@163.com.,。,。,、、,。,,,,,,,。1,[1-3],。:1:()。2:()98%,。95%,()。3:(),,,。4:()β(β)。1,,,,。2,,,,,,2。3GB/T5249《—31··2016Vol.26No.2JournalofFiltration&Separation》(ISO4003)。,[4-5]:、,。、,。,,,,。,3。,4,(β),,(1)。εe=Nu-NdNu×100%=(1-NdNu)×100%=(1-1βx)×100%(1):εe();Nu();Nd();βx。β(x)(x),βx,βx(2)。βx=NuNd(2),,,,。2[6-9],,、,。,,,。,,β。,。,、、、,。,。、、。ISO4572,ISO16889ISO4572,,ISO4572,。、、,。ISO4572ACFTD,,ISO16889ISOMTD,。ISO/TR16386ACFTDISOMTD(1)。1ACFTDISOMTDISOMTDACFTDACFTDμmISOMTDμmISOMTDμmACFTDμm1.04.24.0/2.04.65.02.73.05.16.04.35.06.47.05.97.07.78.07.410.09.89.08.915.013.610.010.220.017.515.016.925.021.220.023.430.024.925.030.140.031.730.037.3ACFTDISOMTD32··2016Vol.26No.2JournalofFiltration&Separation1,ISO4572,ISO1688910μm,10μm,10μm。,,ISO4572βx,ISO16889βx(c)。ISO4572,ACFTD,5μmβ20,5μm95%,β5=20;ISO16889,ISOMTD,5μmβ200,β5(c)=200,99.5%;β10(c)=2000,10μm99.95%,ISO16889,ISOMTD。,2、3。231。,。:,1μm4μm(c),,,。3[10-13],、、,98%。ISO16889,。4、5、6、7。ISO4572(98%,μm)ISO16889(98%,μm)BZ5D3.85.7BZ10D15.114.3BZ15D16.818.0BZ25D27.425.2BZ40D42.540.94SG005SG007SG010SG015SG022SG030SG045SG065(μm)(98%)57101422304565(99.9%)7101522304060755TG003TG006TG010TG020TG035TG060(μm)(98%)3610203560(99.9%)510143252856NG003NG006NG012NG022NG035(μm)(98%)36122235(99.9%)510183650ISO4572(98%,μm)ISO16889(98%,μm)SG00667.5SG010109.6SG0161612.733··2016Vol.26No.2JournalofFiltration&Separation,98%。99.9%。,,8。8,(),,。,,、、、。4,。。,。,。,。PORAL,9、10。7BZ5DBZ7DBZ10DBZ15DBZ20DBZ25DBZ30DBZ40DBZ60D(μm)(98%)3.86.915.116.821.327.431.642.568.5(99.9%)7.6/19.221.626.131.240.060.081.0(μm)(Pa)(μm)SSW0054~6545017SSW0109~12270035SSW02018~23136070SSW03028~35910100SSW05048~55540175SSW08075~85340275SSW10093~108270350SSW150140~160180520SSW200187~213140660030507101520304098%(μm)0.20.40.71.223.25898%(μm)3.25.912162640609099.9%(μm)4.59162437589099.9%(μm)0.51.22.33.668.613209PORAL10PORAL03050710152030406098%(μm)0.72.33.44.66.278.510.51398%(μm)3.8172329457310299.9%(μm)5223039609713599.9%(μm)1357.5121420263534··2016Vol.26No.2JournalofFiltration&Separation11PORAL030507101520304098%99.9%161517131313121199.9%99.9%9.07.57.06.76.26.76.912PORAL030507101520304098%99.9%5.47.46.86.37.2101299.9%99.9%57.36.05.25.06.96.8,11、12。,。98%,11~17,03、05、07,16,,12。99.9%。。。,,,,。,。,,。5(1),。(2)ISO4572ISO16889,,ISO4572ISO16889,。(3)98%,。(4),,,。(5),、。:[1].[J].,1992,(4):51~54.[2].[J].,1995,(4):1~6.[3],,,.[J].,2013,(2):38~41.[4]ISO4003-77.PermeableSinteredmeatalmaterials-Dter-minationofbubbletestPoreSize[S].[5]GB/T5249-2013.—[S].35··2016Vol.26No.2JournalofFiltration&SeparationExperimentalResearchonClassifyFilteringEfficiencyofIndustrialDustFiltrationMaterialsQIDong-yue,WANGXiang-qin,NIBing-xuan,LUShu-xing(GuangzhouFibreProductTestingandResearchInstitute,Guangzhou511440,China)Abstract:PM2.5hasbecomeahotsocialtopic,butPM0.5thathasamoreseriousinfluenceonourhealthhasbeenig-nored.Classifyfilteringefficiencyreflectsthefiltrationperformanceofindustrialdustfiltrationmaterialsondustparticleswithdifferentsize,anditcanbeusedtoevaluatethefilteringabilityoffiltermaterialsondustparticlesbelow2.5microns.Therela-tionshipbetweenthickness,basicweight,averagefiberdiameter,averageporesizeoftheindustrialdustfiltrationmaterialsandclassifyfilteringefficiencywasstudiedinthispaper.Testresultsshowedthatindustrialdustfiltrationmaterialshadagoodfil-trationperformanceonPM2.5withremovalrateupto90%,butthefiltrationperformanceonPM0.5waspoorwithremovalraterangingfrom30%to70%.Poresizehadnosignificantinfluenceonthefiltrationperformance.Averagefiberdiameterhadasig-nificantinfluenceonthefilteringresistance.Whentheaveragefiberdiameterdecreased,thefilteringefficiencyincreased,butalsoincreasedthefilteringresistance.EmulsiontreatmentcouldimprovethefiltrationperformanceofthefiltermaterialonPM0.5.Keywords:classifyfilteringefficiency;industrialdustfiltrationmaterial;pm0.5;filteringresistance(30)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!TheFilteringAccuracyofSinteredMetalPorousMaterialsDONGLing-feng(WesternBaodeTechnologiesCO.,LTD,Xi′an710201,China)Abstract:Thefilteringaccuracyisanimportantperformanceindexofsinteredmetalporousmaterials.Inadditiontodeter-miningthefilteringaccuracyofsinteredmetalmeshporousmaterialsbyaverageporesize,Sinteredmetalpowderandfibersin-teredmetalporousmaterialsusefiltrationefficiencytodeterminethefilteringaccuracy.ThedeterminationmethodofthefilteraccuracycanbeobtainedbythetechnicalindexfromtheGB/T6886Sinteredstainlesssteelfilterelements,GB/T6887Sin-teredmetalfilterelements,GB/T20100StainlesssteelsinteredfiberfeltandGB/T25863Sinteredmetalmeshporousma-terialsandcomponents.Thefiltrationefficiencyoftheliquid(filtrationprecision)hasformedtheinternationalstandardandthenationalstandard.Thedetectionofgasfiltrationefficiency(filtrationaccuracy)hasmanyinfluencefactors,andthereisnouni-formstandard.Thereisarelationshipbetweentheliquidandgasfiltrationaccuracyofthesinteredmetalporousmaterials,whic
本文标题:烧结金属多孔材料的过滤精度-董领峰
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