国内外船舶尾气处理技术研究现状及发展趋势_李松梅

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上海市教委科研创新项目(11YZ130);上海海事大学研究生创新基金项目(yc2012069)122221.3004522.2013061。SO2NOXIMO。201071MARPOLVI45000×10-620205000×10-688.89%15000×10-620151000×10-693.33%。1[1]。VINOX200011n<130r/min、130r/min≤n<2000r/min2000r/min≤nNOX2[1]。22016NOX76.38%、79.54%74.02%。IMOSO2、NOX。。。220。、200、。、。2.1石膏法烟气脱硫、、[2]。1。、、。、:、。、、。。U664.12A1002-2333201305-0001-05DevelopmentofDomesticandInternationalMarineExhaustGasTreatmentLISong-mei1,DONGYao-hua2,ZHANGCheng-lei2,ZHANGLi2,DONGLi-hua2(1.CNOOCEnergyTechnology&Services-OilfieldConstructionEngineeringCo.,Tianjin300452,China;2.InstituteofMarineMaterialsScienceandEngineering,ShanghaiMaritimeUniv.,Shanghai201306,China)Abstract:Themostpopulargastreatmentmethodsfortheshipexhaustgas,includingdesulfurization,denitrification,simultaneousdesulfurizationanddenitrificationwereelaboratedrespectively.Theirrelatedreactionprinciples,design,characteristicsandtheupdatedresearchprogressofeachmethodwereevaluatedaswell.Thedesulfurizationanddenitrificationtechnology,whichremoveSO2andNOXsimultaneouslywasthemostpromisingdevelopmentdirectioninshipexhaustgastreatmentandhasbroadapplicationprospectsinthefuture.Keywords:marineexhaust;desulfurization;denitrification;development1201351/10-615000150004500045000/10-610000100035000500020103120151120121120201122001.01.01~2011.01.012011.01.01~2015.01.012016.01.01/g·kW·h-1ACADEMICCOMMUNICATIONn17.014.43.4≤n45.0×n(-0.2)44.0×n(-0.23)9.0×n(-0.2)≤n9.87.72.0GGH。SO2GGH。SO2CaSO3CaSO4CaSO4、。。95%[3]、、、。2.2旋转喷雾干燥烟气脱硫SDANiro、、。、、、、、2。HCl、HF、SO2、SO3。。、。SO2g→SO21SO2+H2O→H2SO3SO3+H2O→H2SO42HCl1+CaOH2→CaCl2+H2O2HF1+CaOH2→CaF2+H2OH2SO31+CaOH2→CaSO3+2H2OCaSO3+1/2O2→CaSO4H2SO41+CaOH2→CaSO4+2H2OSDA70%~95%、。CaSO4、CaCl2CaF2。SDA。2.3海水脱硫法1960[4]。SO2。、SO2、、SO2。3。-GGHSO2H+SO2-3pH[5-7]GGH。SO220135212SDASO23ACADEMICCOMMUNICATIONACADEMICCOMMUNICATION。[5-7]H++HCO-3→H2CO3H2CO3→CO2↑+H2OSO2-3+1/2O2→SO2-4、、。。3NOXNOX[8]。。3.1选择性非催化还原法(SNCR)1970SNCR。SNCR2GW[9]。SNCR900℃~1200℃NOxN2H2O、、、、、。4。。。NOX。GGH。GGH、[10]。CONH22+H2O→2NH3+CO24NH3+4NO+O2→4N2+6H2O8NH3+6NO2→7N2+12H2OSNCRNOX30%~50%SNCR。3.2选择性催化还原法(SCR)SCR1970、1980。2002、SCR100、23.1、55.0GWSCR95%93%[11]。SCR90%、。SCRNOxN2H2O5。、NH3、NH3、、SCR、-、。NH320∶1NH3SCR[12]。4NH3+4NO+O2→4N2+6H2O4NH3+2NO2+O2→3N2+6H2O4NH3+6NO→5N2+6H2O8NH3+6NO2+O2→7N2+12H2O。SCR、。、、。4SO2NOX。。、、、3201354SNCR5SCRACADEMICCOMMUNICATION。。4.1电子束氨法1970800keV~1MeVSO2、NOXSO3、NOXNH42SO4、NH4NO3。6、、、。、。SO2、NOX。SO2、NOXH2SO4HNO3NH42SO4、NH4NO3。[13]O2gH2Oe-·OH·O·HO2SO2·OH·O·HO2H2OH2SO4NOX·OH·O·HO2H2OH2SO3H2SO4+2NH3→NH42SO4HNO3+NH3→NH4NO390%SO270%NOXNH42SO4NH4NO3/[14]。。4.2光催化法“”。SO2NOX。TiO2。[15-16]。7。、、。SO2、NOXH2SO4、HNO3。[17-22]O2gH2O→TiO2O*·OHOH-SO2g→·OHHOSO2→O*SO3→H2OH2SO4NOg+2OH-ads→NO2ads+H2OadsNO2adsg+·OH-→NO-3+H+SOXNOX85%95%。、、。。5、、、。、。1.《》2010Z.2010.2.J.200424553-56.67NOXACADEMICCOMMUNICATIONACADEMICCOMMUNICATION201354123!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!3.J.2001128-2932.4.M.:1999102-105.5.J.200336368-72.6.J.2006335-38.7.J.2007511-13.8.J.2011226-29.9.SNCRJ.200622118-21.10.J.200622415-19.11.SCRJ.200420425-27.12.SCRJ.2011522-24.13.J.200538769-73.14.J.200521217-20.15.2005100121134P.2007-03-14.16.2004100092635P.2006-09-13.17.TiO2J.20083112105-108.18.J.20038465-69.19.TiO2J.200521443-47.20.M.1990124-125.21CAMPOSTRINIRetal.Sol-gelderivedanataseTiO2morphologyandphoto-activityJ.MaterialsChemistryandPhysics1994383277-283.22HASHIMOTOKetal.PhotoactivityoxidationofnifrogenmonoxideovertitaniumVIoxidenanocrystalslargesizearessJ.PhotochemandPhotobiolAChemistry2000136103-109.(编辑黄荻)作者简介:李松梅(1962-),女,高级工程师,研究方向海洋装备工程;董丽华(1964-),女,教授,博士学位,博士生导师,研究方向为先进制造技术及材料工程等。收稿日期:25108001345200~220HB。准521A。。。45。。:。。。———。TH133.2A1002-2333201305-0005-03RuptureAnalysisofthe45SteelDrivingSpindleCHENJun-jian(GuangzhouCollegeofSouthChinaUniversityofTechnology,Guangzhou510800,China)Abstract:Thedrivingspindleofanelectronicequipmenthadbeenrupturedafterbeingusedforaboutthreemonths.Therupturepartwasatransitionofstage.Thespindlewasmadeof45steel,whichwastempered.Theruptureofthespindleisresearchedbythebasicmethodandvariouskindsofexperimentsofinvalidationanalysis.Thereasonoftheruptureisfatiguedrupture,andsomeimprovementsolutionsaregiven.Keywords:fatiguefailure;widmanstattenstructure520135ACADEMICCOMMUNICATION

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