污泥的粘度与浓度-温度三者关系式的实验推导

73Vol.7,No.320063TechniquesandEquipmentforEnvironmentalPollutionControlMar.2006张鹏1吴志超2敖华军3(1,200031;2,200092;3,330006),:,,,,X705A10089241(2006)03007203Experimentaldeductionoftherelationshipbetweensludgeviscidity,concentrationandtemperatureZhangPeng1WuZhichao2AoHuajun3(1ShanghaiInstituteofStandardization,Shanghai200031;2SchoolofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092;3JiangxiAcademyofBuildingResearch,Nanchang330006)AbstractBycombiningtwoequations,therelationshipbetweensludgeviscidityandsludgeconcentration,andtherelationshipbetweensludgeviscidityandtemperature,wegetanewequation,therelationshipofsludgeviscidity,concentration,andtemperature.Comparedwiththeexperimentaldata,thenewequationisprovedbasicallycoincidentwiththeactualfac.tThenewequationishelpfultocomprehendthechangeofsludgeviscidityonagivencondition,andwillprovideusefulreferenceforsludgetreatmen,tdisposalandtransportationdesignation.Keywordssludgeviscidity;sludgeconcentration;temperature:2004-10-31;:2005-04-27:(1979~),,,Emai:[e-mail]1,,;,,[1],,,,,,2,,2,:,,,,NDJ793:1Table1Viscidityofsludgeunderdifferenttemperaturesandconcentrations(:10-3Pas)56.7(g/L)45.8(g/L)38.5(g/L)28.6(g/L)22.9(g/L)11.5(g/L)5.7(g/L)12!794121115.52.81.822!72381894.82.21.632!63371684.62.01.233.1,122232!(57~56.7g/L),13.2Einstein[2~5]Leighton[6][7][8],=0exp(MLSS)(1):(10-3Pas);0(10-3Pas);;;MLSS(g/L),(1),,,3.3,,Andrade[1]=KMLSSeEkT(2):KMLSS;E,,,(kJ/mol);k(8.314∀10-3J/molK);T(K)KMLSSE,(2),KMLSS,,KMLSS3.4(1)(2),,(1),;(2),2,(1)(2)(1)(2),(1),(2),2,=!expEkT+MLSS(3):!,(3),,,ln=ln!+EkT+MLSS(4)1(∀2=0.02163),!=0.6274,E=1.005kJ/moL,=0.07767,2(4),:ln=-04661+1005kT+007767∀MLSS:=063exp1200T+0078MLSS(5)(5)73735(5),1,2,(5)2Table2Comparisionofdeduceddataandexperimentalresult(:10-3Pas)56.7(g/L)45.8(g/L)38.5(g/L)28.6(g/L)22.9(g/L)11.5(g/L)5.7(g/L)12!79/78*41/34*21/19*11/9*5.5/57*2.8/23*1.8/15*22!72/77*38/33*18/18*9/9*4.8/56*2.2/23*1.6/15*32!63/76*37/33*16/18*8/8*4.6/55*2.0/23*1.2/15*2,(5),,,,60g/L,12~32!,(3)4,,2,,,,kE,(3)[1]..:,1994[2]..:,1998[3],..:,1986[4].Einstein.,2001,2:3~4[5],./.,2001,1:25~27[6]LeightonDT,eta.lTheshearinducedmigrationofparticlesinconcentratedsuspensions.JournalofFluidMechanism,1987,181:415~439[7],..:,2002[8]..:[],200374