膜法富氧技术在燃煤锅炉上的应用

:1007-8924(2001)03-0046-04(,224400):,,,,,.:;;;:TQ02818:B,.,,..,,.,,.10%16%[1,2].1111,,,,,28%.,.112,H2412,,,,.,,,.113,CO609,388,.114,4/5N2,.,,.115,,1300,42%,26%,56%,,,,.116,,,.2211,1.1:2000-08-11;:2000-10-17:(1962),,,,.213Vo1.21No.320016MEMBRANESCIENCEANDTECHNOLOGYJun.200110m,28%30%,,,30004500Pa,,.80:,,,;,,,.[3].21228%30%150200m3/h%50L/min800Pa0.070.12kWh/Nm3()2131).LTV-PS,200mm1000mm.2)1.1/(m3h-1)/Pa/(rmin-1)/kWDWT-512A280049002900515Y132S1-2DWT-419A200460628401.5Y90S-2SK-1272080009701.85Y200L1-63)500mm,300Pa,10m.4)500mm,50mm,6.3WGC20/3182-,SHL,,,,,.2.3.220t/h2415m23182MPa8812m24501715m210482m2158216m2116243m2514MPa343m280%19904kJ/kg3/(m3h-1)/Pa/(rmin-1)/kWG4-73-119D240003290026192472145030Y200L-4Y4-73-1111D601008180023441716145075Y280S-4DG25-501125()550(m)290090Y280M-24411.,18#,,,.,,.412,,,,3:47.413,,6.,1015cm,.414L60,,90,,.,15cm,3040.23cm.41519984,530,623.,10,,,,.62616,.51),,,,.,,.2),,.,,,.3),,,150,50,.,.4),,4h.5),,,20t/h,,,,.,,.20t/h1923t/h,.6,,,.61119987138t,8129t.19998127t.=8.29-7.388.29100%=10.98%20t/h,7114t,2142t,60(280/t).612120130A,4550A,110A,40A,10%,712kWh,0144/(kWh),3117.613[4]10%,.,,1998186,5518t,11116.,20t/h,712kWh,2142t,74133,(112/a,4/a,8/a),61113/a,,,.4821[1].[J]..1992,(6):1215.[2].[J].,1997,17(12):1012.[3],,,.[J].,1998,18(2):5053.[4],,.[J].,1998,18(1):4045.Applicationofmembranetechnologyforoxygenenrichmentincoal-firedboilerFANGShouqi(JiangsuProvinceFuningFertilizerPlant,Funing224400,China)Abstract:Thetechnologyandinstallationofmembraneoxygen-enrichedairusedinthecoal-firedboilerforthefirsttimeisintroducedinthispaper.Thetechnologicalprocess,equipment,theconditionofinstallationandtrialrunaredescribedaswell.Theenergy-savingresultandeconomicbenefitarealsodiscussed.Keywords:membraneoxygen-enrichedair;combustion-supporting;energy-saving;coal-firedsteamboiler(45)Reductionofferricironintitaniumsulfatesolutionbyion-exchangemembraneprimarycellmethodLIQinggang,ZHOUKanggen,ZHANGQixiu,ZHANGGuiqing(DepartmentofMetallurgicalScienceandEngineering,CentralSouthUniversityofTechnology,Changsha410083,China)Abstract:Anewmethod,calledastheino-exchangemembraneprimarycellmethod,forreductionofFe3+inthetitaniumsulfatesolutionhasbeenadvanced.Thepositivecompartmentoftheprimarycellconsistoflead(copper)electrodeandthetitaniumsulfatesolution,andthenegativecompartmentconsistofironelectrodeandacidicFeSO4solution.Theanionion-exchangemembraneisusedasthediaphragmbetweentwocompart2ments.Fe3+inthetitaniumsulfatesolutionisreducedbytheelectricdischargeoftheprimarycell.Theeffectsoftemperature,stitrringstrengthofthesolutionandmembraneareaonthereductionratehavebeeninvestigat2ed.Theexperimentalresultshowsthattheoptimumcurrentdensitycanbehigherthan100A/m2.Keywords:primarycell;ion-exchangemembrane;Fe3+reduction;titaniumdioxide3030,..1.52.5510,..()3:49