导流参数与SUFR系统厌氧区释磷效果的灰熵分析肖铁岩

405四川大学学报(工程科学版)Vol.40No.520089JOURNALOFSICHUANUNIVERSITY(ENGINEERINGSCIENCEEDITION)Sept.2008　　:1009-3087(2008)05-0084-05SUFR肖铁岩,罗固源,季铁军,王丹云(,400045)　:,SUFR,。,,:d/D。SUFR。:;;;:X703.1:AEffectsofParametersofGuidingVaneonPhosphorusReleaseinAnaerobicZoneoftheSUFRSystemBasedonGreyRelationalEntropyXIAOTie-yan,LUOGu-yuan,JITie-jun,WANGDan-yun(KeyLab.ofThreeGorgeReservoirRegion'sEco-environmentMinistryofEducation,ChongqingUniv.,Chongqing400045,China)Abstract:ThemethodofgreyrelationalentropywasusedtoanalyzethephosphorusreleaseintheanaerobiczoneoftheSUFRsystem.Theresultsshowedthattherotationalspeed,thepitchangleoftheguidingvane,d/D,andthelayersofmultistagevaneplayimportantrolesintheanaerobiczone.Thedecreasingeffectsequenceofthefourfac-torsis:therotationalspeedthepitchangleoftheguidingvanethelayersofmultistagevaned/D.ThismethodwasusefultothepracticaloperationoftheSUFRsystemintheThreeGorgeReservoirRegion.Keywords:spiralupflowreactor;phosphorusreleaseunderanaerobiccondition;parametersoftheguidingvane;greyrelationalentropy　　(Spiral-upFlowReac-tor,SUFR)UCT(UniversityofCapetown),(:ZL03117335.8)。、、,。[1-2],:2007-10-20:(50378095):(1955-),,.:.。,SUFR。“,”“”、“”[3]。()[4],:1);2)。,,SUFR,,。DOI:10.15961/j.jsuese.2008.05.0051　1.1　1,r,n,[3]:X0={X0(k)k=1,2,……,n}(1):Xj={Xj(k)j=1,2,……,n,k=1,2,……,n}(1)εh:εh=　　　　　　　　　　　　　　　　　　minjminkX0(k)-Xj(k)+ξmaxjmaxkX0(k)-Xj(k)X0(k)-Xj(k)+ξmaxjmaxkX0(k)-Xj(k)(3),ξ,0.5。Ph,:Ph=εh/∑ni=1εh,　　Ph∈Pj,h=1,2,3…,n(4)1.2　Y=(Y1,Y2,…,Yn),,,i,Yi≥0∑ni=1Yi=1,[4]:H=-∑YilnYi(5)Y,Yi。Shan-non,,,Hm=lnn。(4)(5),:H(εj)=-∑ki=1phlnph(6)(2)Xj:Ej(Xj)=H(εj)/Hm(7),,。2　2.1　1。,13cm,120cm,16L;19cm,85cm,24L;19cm,160cm,45L。:9L·h-1,150%,200%～250%,50%～80%。14d,8～9h。KH2PO4、、。1。1　Fig.1　SchematicdiagramofSUFRsystem1　Tab.1　SyntheticwastewatercompositionCODCr/(mg·L-1)c(PO43--P)/(mg·L-1)c(TP)/(mg·L-1)c(NH3-N)/(mg·L-1)c(TN)/(mg·L-1)pH280～3206～7.56.4～835～4241～506.8～7.23046.67.238487　　CODHACH,NH3-N,TN,PO43-P,。,:()150°180°;d/D(dD)0.30.8;(n)24;(N)85　5,:SUFR30～90r/min。,,:(α)150°;(n)4;(N)30r/min;d/D=0.8。2.2　SUFR,(),。4,、、d/D。2.3　2,220d3～4d。2　Tab.2　ResultsofexperimentsO/(°)N/(r·min-1)d∶DnV/(mgPO43--PgSS-1h-1)1180550.348.82180550.349.13180550.349.44180900.347.45150900.348.26150900.347.57150900.346.88150300.3415.99150300.3414.910150300.341511150300.3415.312150300.341713150300.8216.914150300.8217.415150300.821716180900.827.817180900.826.618180900.827.319180900.827.2　　2,(1)～(7),:R=[E11(X1),E12(X2),E13(X3),E14(X4)]=[0.9933,0.9959,0.983,0.9869](8)(8)(X1)、(X2)、d/D(X3)(X4)SUFR。0.98,。,,:d/D,SUFR。3　0.98,。,。:,(Re)[5]:Re=nd2ρμ(9),n,r/s;d,m;ρ,kg/m3;μ,Pa·s。(9),,d/D。,[6]。[5],,;Re104,,,,。,,,[1]。,;;,。Smodlers[6],COD,COD。,[1]。,、d/D。(9),,,,,。86()40　。,,[7]。SinskeyISF(integratedshearfactor)[8-9]:ISF=2πND1DR-Di(9),N;DR;Di。(9),,、d/D。,(9),[10],。,。、、[9],,;,,,,。(Re)、d/D。,。Phoenics3.6,[11]。2。2　(α)180°150°Fig.2　ThemapofthestreamlineinSUFRcoupledwithα2,α=150°SUFR,α=180°,SUFR,。α=150°SUFR“”,“”,“”。“”[1]。α=180°,,,。,()。2:55r/min90r/min,8.8～9.4(mgPO43--PgSS-1h-1)7.4～8.2(mgPO4-PgSS-1h-1);d/D0.3(1213)0.8(1415),;4(811)2(1213),15.9～16.3(mgPO43--PgSS-1h-1)17～17.3(mgPO43--PgSS-1h-1);180°(4)150°(5),。,、d/D、150°180°,,,。,,。4　　1),、。SUFR;2):、、d/D0.98。SUFR;3),,87　5,:SUFR:d/D。,SUFR,;4),、d/D、150°180°,,。,。:[1]CaoYS,AlaertsGJ.Influenceofreactortypeandshearstressonaerobicbiofilmmorphology,populationandkinet-ics[J].WaterResearch,1995,29:107118.[2]VanPuttenIC,VanSA,WeickertG.Fluidizationbehav-iorinacirculatingsluggingfluidizedbedreactor.PartI:Residencetimeandresidencetimedistributionofpolyethy-lenesolids[J].ChemicalEngineeringScience,2007,62(9):2522-2534.[3]JinWeiliang,YuanXuanxia,LiuXin,etal.Greyrela-tionalcomprehensiveevaluationbasedonfuzzynumbersanditsapplicationinriskanalysisforfastener-styletubularsteelformwork-support[J].JournalofSoutheastUniversity:Natu-ralScienceEdition,2006,36(4):621625.[,,,.[J].:,2006,36(4):621625.][4]ZengGM,HuangRJG,XuM,etal.Optimizationofwastewatertreatmentalternativeselectionbyhierarchygreyrelationalanalysis[J].JournalofEnvironmentalManage-ment,2007,82(2):250-259.[5],.[M].:,2005,129-268.[6]RahimiM,ParvarehA.CFDstudyonmixingbycoupledjet-impellermixersinalargecrudeoilstoragetank[J].ComputersChemicalEngineering,2007,31(7):737744.[7]SmoldersGJF,BulstraDJ,JacobsR,etal.Metabolicmodelofthebiologicalphosphorusremovalprocess:II.Validationduringstart-upconditions[J].BiotechnolBio-eng,1995,48:234～235.[8]NaughtonaJW,SheplakM.Moderndevelopmentsinshear-stressmeasurement[J].ProgressinAerospaceSci-ences,2002,38:515-570.[9],.[M].:,2001:151-227.[10]KumaresanT,JoshiJB.Effectofimpellerdesignontheflowpatternandmixinginstirredtanks[J].ChemicalEngi-neeringJournal,2006,115(3):173193.[11]JiTiejun,LuoGuyuan,ZhangJiadan,etal.Studyonflowpatternandflowmodelofspiralup-flowreactor[J].ChinaWaterandWastewater,2006,22(15):54-58.[,,,.[J].,2006,22(15):54-58.](　)88()40