J72JB/T766419951995-06-161996-07-011122.1compressedair0.1MPa2.2compressedgas0.1MPa2.3purification2.4equipmentforpurging2.5contaminant2.6contamination2.7particle2.8dust0.1~150µm2.9droplet200µm2.10suspension2.11aerosol0.25m/s2.12abrasion2.13erosion2.14corrosion1995-06-16JB/T766419951996-07-01JB/T7664199522.15agglomerate2.16coalescence2.17dustcontent0.1MPa200.65mg/m32.18oilcontent2.17mg/m32.19PPMPPMWPPMV2.20compressedairseparator2.21compressedairdryer2.22compressedairfilter2.23combinedequipmentforpurging2.24theNaClmethod0.02~2µm2.25DOPtheDOPmethod0.3µmDOP33.1adsorptiondryer3.1.1heatlessregeneration3.1.2heatregeneration3.1.2.1directlyheated3.1.2.2regenerationairheatedJB/T7664199533.2refrigerationdryer3.2.1chilledwater3.2.2heatabsorbingmass3.2.3directexpansion3.2.4floodedevaporator3.3absorptiondryer3.4combineddryer44.1desiccant4.1.1absorbentdesiccant4.1.2adsorbentdesiccant4.2absorption4.3adsorption4.4desorption4.5deliquescence4.6regeneration4.7purgeflow4.8condensation4.9dryingbycooling4.10dryingbyovercompression4.11adiabaticdryingJB/T7664199544.12contacttime4.13moisturecontentg/m34.14vapourconcentrationg/m34.15vapourratio4.16relativevapourpressure4.17relativevapourconcentration4.18relativevapourratio4.19dewpoint4.20atmosphericdewpoint4.21pressuredewpoint4.22nominalpressuredewpoint4.23pressuredewpointatdryeroutlet4.24dewpointdepression4.25dryerpressuredrop4.26volumeflowatdryerinlet0.1MPa204.27dryernetoutletvolumeflow4.2655.1coarsefilter5.2dustfilterJB/T7664199555.3coalescingfilter5.4airsterilisationfilter5.5adsorptionfilter5.6activecarbonfilter66.1filtermedium6.2filtration6.3surfacefiltration6.4depthfiltration6.5directinterception6.6inertialimpaction6.7diffusion6.8agglomeration6.9agglutination6.10sedimentation6.11clogging6.12cloggingcapacity6.13cleaning6.14cleaningfactorJB/T7664199566.15equivalentdiameter6.16equivalentparticlediameter6.17effectiveparticlediameter6.18largestparticlepassed6.19effectivefiltrationarea6.20nominalfiltrationrating6.21filterrating6.21.1Ppenetration6.21.2EfiltrationefficiencyE=1–P6.21.3ifiltrationratioi=1/Pi10=7510µm756.21.4nominalfilterrating95%98%95%98%6.22filterpressuredrop6.23maximumpermittedfilterpressuredrop6.24collapsepressuredrop6.25filterelement7ABJB/T766419957ABsurfacefiltration6.3Cerosion2.13deliquescence4.5atmosphericdewpoint4.20pressuredewpointatdryeroutlet4.23coarsefilter5.1sedimentation6.10(P)penetration6.21.1Dequivalentdiameter6.15equivalentparticlediameter6.16Fcorrosion2.14agglutination6.9Gdesiccant4.1dryingbyovercompression4.10nominalpressuredewpoint4.22dryerpressuredrop4.25filtermedium6.1filtration6.2inertialimpaction6.6filterrating6.21Efiltrationefficiency6.21.2ifiltrationratio6.21.3filterpressuredrop6.22filterelement6.25Hdust2.8dustcontent2.17JB/T766419958moisturecontent4.13oilcontent2.18dustfilter5.2activecarbonfilter5.6Jpurification2.3equipmentforpurging2.4agglomerate2.15combinedequipmentforpurging2.23desorption4.4adiabaticdrying4.11contacttime4.12volumeflowatdryerinlet4.26agglomeration6.8collapsepressuredrop6.24Kregenerationairheates3.1.2.2airsterilisationfilter5.4diffusion6.7Lparticle2.7refrigerationdryer3.2chilledwater3.2.1combineddryer3.4condensation4.8dryingbycooling4.9dewpoint4.19dewpointdepression4.24Mabrasion2.12floodedevaporator3.2.4nominalfiltrationrating6.20nominalfilterrating6.21.4Ncoalescence2.16theNaClmethod2.24JB/T766419959coalescingfilter5.3Qcleaning6.13cleaningfactor6.14Svapourconcentration4.14depthfiltration6.4Wcontaminant2.5contamination2.6droplet2.9heatlessregeneration3.1.1Xsuspension2.10aerosol2.11adsorptiondryer3.1heatabsorbingmass3.2.2absorptiondryer3.3absorbentdesiccant4.1.1adsorbentdesiccant4.1.2absorption4.2adsorption4.3relativevapourpressure4.16relativevapourconcentration4.17relativevapourratio4.18adsorptionfilter5.5Ycompressedair2.1compressedgas2.2compressedairseparator2.20compressedairdryer2.21compressedairfilter2.22heatregeneration3.1.2pressuredewpoint4.21dryernetoutletvolumeflow4.27effectiveparticlediameter6.17JB/T7664199510effectivefiltrationarea6.19Zdirectlyheated3.1.2.1directexpansion3.2.3regeneration4.6purgeflow4.7vapourratio4.15directinterception6.5clogging6.11cloggingcapacity6.12largestparticlepassed6.18maximumpermittedfilterpressuredrop6.23DOPtheDOPmethod2.25PPMPPM2.19JB/T7664199511BAabrasion2.12absorbentdesiccant4.1.1absorption4.2absorptiondryer3.3activecarbonfilter5.6adiabaticdrying4.11adsorbentdesiccant4.1.2adsorption4.3adsorptiondryer3.1adsorptionfilter5.5aerosol2.11agglomerate2.15agglomeration6.8agglutination6.9airsterilisationfilter5.4atmosphericdewpoint4.20Cchilledwater3.2.1cleaning6.13cleaningfactor6.14clogging6.11cloggingcapacity6.12coalescence2.16coalescingfilter5.3coarsefilter5.1collapsepressuredrop6.24combineddryer3.4combinedequipmentforpurging2.23compressedair2.1compressedairdryer2.21compressedairfilter2.22compressedairseparater2.20compressedgas2.2condensation4.8contacttime4.12contaminant2.5JB/T7664199512contamination2.6corrosion2.14Ddeliquescence4.5depthfiltration6.4desiccant4.1desorption4.4dewpoint4.19dewpointdepr