IC厌氧反应器多层旋流布水与重渣排放系统研究王建光

2016-05[e-mail][e-mail]215021ICUASBIC。。。IC。IC。ICS216．4B1000－1166201703－0056－06MultilayeredCycloneWaterDistributionandHeavySludgeDischargeSystemforICAnaerobicＲeactor/WANGJian-guangCHENZai-liang/SchoolofMechanicalandElectricEngineeringSuzhouUniversitySuzhou215021ChinaAbstractInviewofthemainstructureproblemsexistinginICanaerobicreactor’swaterdistributionsystemandthetrou-bleofreactorcalcificationthisarticlefocusedonoptimizationdesignforthestructureofwaterdistributionsystemonthebasisofcomparisonandanalysisofUASBandICtypicallayout．Amultilayeredcyclonewaterdistributionandheavysludgedischargesystemwasproposedwhichwascomposedofmulti-layerwaterdistributionpipeandinvertedconeflowguideplate．Throughhydrauliccalculationofthesystemandmotionanalysisofbiologicalsludgeandheavysludgeitwasfoundthattheuniformityofwaterdistributionwasimprovedavoidedwaterdistributiondeadzoneachievedtheseparationofheavysludgefrombiologicalsludgeandenhancedthemixingdegreeofwastewaterorganicswithgranularsludge．Thisef-fectivelystrengthenedthemasstransferandreactionprocess．FinallythisarticleprovidedanempiricalanalysisbasedonamodifiedICreactorproject．Theoperationdataandinfraredthermographydetectionshowedthatthemodifiedschemea-chievedexpectedeffect．Hencethisprovidedanewmethodforsolvingthecalcificationproblemscausedbywaterdistribu-tionandheavysludgedischargeforICanaerobicreactor．KeywordsICanaerobicreactorcyclonewaterdistributioninvertedconeflowguideplateheavysludgedischargesys-temICUASB。2080IC1。US-AB、、、2。。IC、、、、。UASB3。IC。65ChinaBiogas20173534。。。。1UASBIC5。UASB1。6。UASB。UASB1。。、7。1UASBIC182。。。9。。。。2.布水器1.进水3.流化床反应室2IC、IC。。。。2IC110。2。。3。4、75ChinaBiogas2017353。3。3．13。倒锥形导流板布水管道3。11。。。50%12。IC。3．24。。。413。--14。。。3．3ICQ=πD2Vu41DmVum·h－1。d=10004Q3600πV槡D2NS=πD24N3rr=S槡π42d=10004Q3600NπV槡d5Qm3·h－1Vdm·s－1。QiQ1Qi－1m85ChinaBiogas2017353Q1=Q2Q2=Q1－Q2N=1－1NQ2Qi=1－mNQ2626did1=10004Q13600πV槡g=2Q3600πV槡gd2=10002QN－13600πVg槡Ndi=10002QN－m3600πVg槡N75。。。。罐壁倒锥形导流板活性污泥及沼气泡较低压区较低速旋流剪切混合区压差逆流较高压区转高速旋流5。、、。。。。6。。活性污泥重渣64ICФ12．5m×24m7。14824850cm。7IC8IC95ChinaBiogas2017353。。。。。。。。。。IC。1。1ICQ/m3·h－1982Vu/m·h－18Vd/m·s－11．1Vf/m·s－12．17。2m·s－1mmDNm·s－1d11．15624002．17d21．13974001．09d31．13243500．95d41．12292500．813。5。3Vf/m·s－12．1N/pcs18S/M26．824m·s－1mmDNm·s－12．195．8802．68COD≤3000mg·L－1COD≤900mg·L－1COD70%。COD30%IC65%。0．35～0．42kgCOD。IC86%。。15。IC9、16IC。10。。5。IC06ChinaBiogas201735321.5℃20151050-5-9.1Sp19ICSp110。IC。ICIC。1。。2。。3。。4。/。5。。6。。。1．ICJ．200117126－29．2．ICJ．2014412075－76．3WDriessenPYspeert．Anaerobictreatmentoflowme-diumandhighstrengtheffluentintheagro-industryJ．WaterScienceandTechnology1999408221－228．4．J．200223292－95．5AwadAbdelgad．、J．20143392244－2250．6GLettingaLWHulshoffPol．UASB-processdesignforvarioustypesofwastewatersJ．WaterScienceandTechnology199124887－107．7．J．2004342261－268．8．P．CN101193826A2006－06－04．9．J．200746z1225－226．10．UASBJ．2012281873－75．11．J．1995173109－110．12．J．2011222－3．13．--J．201037235－36．14．J．2015443580－582．15．J．200323124－28．16．J．2013262136－141．16ChinaBiogas2017353