新型旋风-布袋组合式除尘器的除尘机理及数值模拟

—266061—。—、、、—。+TQ051.801.9B1009－1904201201－0030－041。1。。—。—。2—1。、、、。、、、、、、、。。。。1—33.1d=0.14mu=12m/s20℃μg=17.9×10－6Pa·sρg=1.205kg/m3Re=ρgud/μg=1.205×12×0.14/17.9×10－6=113095＞12000。RSM2。·03·SP＆BMHRELATEDENGINEERING2012120121.——FLUENTRSM。divV=0ut+divuV=－1ρpx+vdivgradu－u'2x+u'v'y+u'w'zvt+divvV=－1ρpy+vdivgradv－u'v'x+v'2y+v'w'zwt+divwV=－1ρpz+vdivgradw－u'w'x+v'w'y+w'2zVm/su、v、wx、y、zm/su'、v'、w'x、y、zm/s。kερkt+ρkuixi=xjμ+ujσkkxj+12pij－ρερεt+ρεuixi=xjμ+μtσεεxj+12C1εpij－C2ερε2kρkg/m3km2/s2μPa·sμtμt=ρCuk2/εPa·spij1εm2/s3Cu、C1ε、C2εCu=0.09C1ε=1.44C2ε=1.92σk、σεkεσk=0.82σε=1.3。3.2—2600mm200mm880mm1600mm800mm200mm140mm400mm160mm19130mm×1200mm。FLUENTGambit2。23.3。4。I=0.16Re－1/8。0.14m12m/s4%1×105m23mm0m－13.43.4.13、4。3412m/s。·13·SP＆BMHRELATEDENGINEERING20121。。3.4.25。551。1kg/s10.14354935080.031632427150.06056942420.17845041090.030742709160.08858069830.142806680100.046368368170.09137615640.090841241110.073229834180.06344119550.065733500120.097862132190.06041827860.048651427130.04325082970.038259007140.043056201511、2、37、8、9。。。—。。·23·20121.—《》檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨3.4.3、、、。。1×10－3。FLUENT1.4401137kg/s1.4401140kg/s3.0×10－7kg/s3.0×10－7/1.4401140=2.08×10－7＜0.01%。。4—。FLUENTGambit—FluentRSM。。。。FLUENT—。、—。1.J.2007213411～416.2.FluentJ.2010312177～181.3.———CFDM．2004124～126.4.J.20071227～29.5.J.200910362～66.1964－。2011－10－12·33·SP＆BMHRELATEDENGINEERINGBimonthlyTotalNo．106No．12012PublishedonJan．312012ABSTRACTSInitialIssueinDec．of1991SummaryofProductionProcessSelectionforIndustrialPhosphoricAcidinChinaPUYongZHANGWei-hongGuizhouZhonghuaKailinChemicalFertilizerCo．Ltd．Xifeng551109ChinaAbstractIndustrialphosphoricacidisabasicrawmaterialforfinephosphorouschemicalproduction．CurrentinChinatherearethreemainproduc-tionprocessesforindustrialphosphoricacidfurnaceprocesssulphuricacidextractionprocessandhigh-temperaturecarbonreductionprocess．AccordingtothecharacteristicsofthephosphoriteresourcesinChinathefeaturesofthesethreeproductionprocessesareanalyzedanditisconcludedthatthehigh-temperaturecarbonreductionprocessorthekilnprocessforproductionofindustrialphosphoricacidoffersbiggerdevelopmentpromiseinChina．KeywordsindustrialphosphoricacidproductionprocessselectionsummaryDustRemovalPrincipleandNumericalSimulationofNewTypeCyclone-bagCombinedDustCollectorLIZhi-huaJIAOLeiLIZhouMechanicalandElectricalEngineeringSchoolofQingdaoUniversityofScience＆TechnologyQingdao266061ChinaAbstractTheconstructionanddustremovalprincipleforthecyclone-bagcombineddustcollectorareoutlinedandanumericalmodelforsimulationisestablished．Itisconcludedthatthecyclone-bagcombineddustcollectorhelpstosimplifythedustremovalconstructionsavelandspaceextendtheserv-icelifeofthefilterbagandincreasethedustremovalefficiency．Byutilizingthenumericalsimulationitcanguideandoptimizethedesignofthecy-clone-bagcombineddustcollector．Keywordscyclone-bagdustcollectorworkingprinciplenumericalsimulationdustremovalefficiencyDevelopmentofSulphateSeriesProductsUsingAmmoniaProcessDesulphurizationTechnologyCHENYin-genTonglingHuaxingChemicalCo．Ltd．Tongling244023ChinaAbstractThebiggesthighgravityreactorisusedintheammoniaprocessdesulphurizationtechnologybyTonglingHuaxingChemicalCo．Ltd．tore-moveSO2inthetail-gasfromsulphuricacidproductionwithproducingliquidSO2ammoniumsulphatesodiumpyrosulfiteammoniumpersulfateandothersulphateseriesproducts．Thusitdevelopsthecyclingeconomyandalsopromotestheenergysavingandemissionreduction．KeywordshighgravitydesulphurizationsulphateproductApplicationofBruciteinProductionofMagnesiumFertilizerandEnvironmentalProtectionFieldGUORu-xinTianjinSodaPlantTianjin300450ChinaAbstractThebruciteresourcesproducersandapplicationfieldsintheworldareelaboratedon．Theapplicationofbruciteinproductionofmagnesiumfertilizerfeedstockadditiveandenvironmentalprotectionfieldishighlightedsuchastheproductionofneutralizingagentforwastewaterandacidicliq-uidremovalofheavymetalionsaswellasinotherareas．Theoutlookforitsfuturedevelopmentismade．KeywordsbrucitemagnesiumfertilizerenvironmentalprotectionwastewatertreatmentheavymetalremovalreviewInnovationDevelopmentandConsiderationsonChinesePhosphorusProductionTechnologySUNZhi-liHuizeLancangjiangPhosphorusIndustryCo．Ltd．Huize654200ChinaAbstractThecurrentstatusanddevelopmentofmulti-electrodephosphoruselectronicfurnacesinChinaisstudiedandanalyzedanddomesticandin-ternationalmulti-electrodeelectricfurnaceproprietarytechnologiesarecompared．ItisconcludedthatChinahasitowntechnologyforthree-phase6-pcsandthree-phase7-pcsmulti-electrodephosphoruselectricfurnacewhichoffersscientificsystematicandprofessionalcomprehensiveperformancesbothintechnicaldesignparameterandactualproductionoperation．Itissuggestedtomakeconstantimprovementinordertocreateproductivitytohelpthedevel-opmentofthesocietyandbenefitpeople．KeywordsphosphorusproductionbyelectricfurnaceprocessinnovatedtechnologydevelopmentconsiderationPurificationTechnologyforElectronic-gradeHydrofluoricAcidandCurrentStatusofItsDevelopmentLIUFeiQIUZu-junYINFengJIANGYue-mingWengfu〈Group〉Co