高温突跃法处理城市污泥的研究

:025322468(2000)20620751204:X703:A1,1,1,1,2(1.,200062;2.):,,,CO.,800.,43%,CO.:;;Studyonthemunicipalsewagesludgedisposalbytemperature2jumppro2cessLIJun,CHENBanglin,HUJianbin,FENGLiping(TheChemicalDepartmentofEastChinaNormalUniversity,Shanghai200062)SHENQianmin(DrainOfficeofShanghai)Abstract:ThestudyappliesTemperature2jumptechnologytodisposeofsludgeandaimstotakeflammablegasfromsludge.Theresultshowsthat,thecarbonmonoxideyieldofsludgewithamoisturecontentofabout43%isquitehigh,whichcanbedirectlyburnt.Thispaperreportsonthepossibilityofthepresenttechnology,andsuppliesbasicdatafortheappraisalofmaterialbalanceandenergybalance.Keywords:Temperature2jump;electricarcplasma;sludge:1999209206;:2000203201::(1968),,[1],()[2].,,,,[3].,,.,(Temperature2jump),(),,.1.105,650,,.1,,,COHP5890A.206200011ACTASCIENTIAECIRCUMSTANTIAEVol.20,No.6Nov.,20001Fig.1Schematicdiagramoftheexperimentalinstallation2211,7413%,6219%,15450kJ/kg.1.,600.,,[4],,.2N2,,,.1Table1Thecomponentanalysisofdrysludge,%103180300600O1918514125101854102C341152212571040144H4179112501560110N2134216311690116S115401900171015762167411282018551292Table2Thermogravimetricanalysisofdrysludge,,N2261158981331315N2253168931931314N2254157251035010Air23119473163201021221211,,,,,5mm,2mm.,,,,,,.,,;,,,(3).,,N2,N2,.,,.,,25720CO.,800(3).3(5mm)Table3TheresultsoftheT2jumpprocessCO,%,kg,%,kg,m3/kg,,kJ128143011751012301113010867810109523917101188251180111801080581010173431420118330133011250110548601332441160120531146011330107757859805491690122533169011450106017807604(2mm)Table4DataoftheT2Jumpprocesswiththeimprovedfeedcompartment,%,m3/kg,,kJ1301780110377013072301780112480015073301780109079011463CO.,43%,,,,,,.,28%,,50%,,,.5mm2mm,,(4),,,.2COFig.2Effectofmoistureonthecarbonconversion212122CO.:,CO:CO,CO,,,,,CO,,,CO.,.,,CO,,CO.,,.213:,3576:CO.1kg7410%4310%,(20):0118MJ,1123MJ,1141MJ.:W=UI/Gt(G:75%).1kg43%,01456kg,5180MJ,CO0161MJ.:Q=CpG(t-t)T,T,G,G=3116L/mint=18t=29,G=2176L/mint=18t=48,:Q=4111MJ.5T2jump(1kg)Table5EnergybalanceoftheT2jumpprocess,MJ,MJ1141CO016151804111712141720165:=/5,1,.1kg012615048136=3191MJ,CO0161MJ,1515%.3,,.,,,,.,,,,N2,,,,N2,.,,.40t,250/a,,,,,,,.:[1]DanielKC,PeiCC,SangDK,etal.TreatmentTechnologies[J].WaterEnvironmentResearch,1999,71(5):870878[2]HansGH.Plasmatechnology[J].EnviroSciTechnol,1986,20(11):11021104[3].[J].,1991,5:1719[4].[M].:.1991.91145720