烧结金属多孔材料的过滤精度-董领峰

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：[e-mail].，。，。，、、，。，，，，，，，。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