BAF生物滤池设计与施工

(,523076):,,(UBAF):;;:X703.1:C:1000-4602(2005)08-0062-04ProblemsontheDesignandConstructionofAeratedBiofilterHUANGYu2ping(DongguanCityKerdaEnvironmentalProtectionEngineeringCo.Ltd.,Dongguan523076,China)Abstract:Aeratedbiofilterisanewwatertreatmentprocesswithmanyadvantagesthatbothbio2filmprocessandactivatedsludgeprocesshave.Basedontheengineeringpractice,theissuesforattentionduringthedesignandconstructionofupflowbiologicalaeratedfilterforwastewatertreatmentweredis2cussedfromthefollowingpoints:keyparameters,basintypeselection,filterplateandsupporter,filterunderdrainnozzleanditsporosity,supportinglayer,aircompressorsystem,anti2cloggingoffilterunder2drainnozzle,qualityofcivilconstruction,airconduitpurge,commissioning,andsoon.Keywords:wastewatertreatment;biologicalaeratedfilter;up2flow2080,,,,,,,(UBAF),,,,60,,,,(),,(),,,,1:COD1001000mg/L,BOD550350mg/L,SS50350mg/L,TKN15602621820058CHINAWATER&WASTEWATERVol.21No.8Aug.2005©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.mg/L,NH3-N1040mg/L:COD40mg/L,BOD520mg/L,SS20mg/L,NH3-N10mg/L,TKN15mg/LNS:26kgBOD5/(m3d),412kgCOD/(m3d)NS,BOD51020mg/L,NS3.55.0kgBOD5/(m3d),BOD5510mg/LNS2.53.2kg2BOD5/(m3d)NS3kgBOD5/(m3d)NH3-N,NS4kgBOD5/(m3d)NH3-N,0.30.8kgNH3-N/(m3d),NS:36m3/(m2h):COD90%,BOD590%,NH3-N90%,SS90%:,(),,,36mm,2.54.5m:410L/(m2s),1220L/(m2s),10%:35min,35min,35min7%10%:,0.420.8kgO2/kgBOD5,(),500mm:2448h:50100m22,(100m2),,,(11.2)(11.5),()8m(),,(5080mm)1m,,300mm(100mm),,,3V,,,,,,,24h(16h,),ABS,,,50%100%,5,,,;,;,,,,(,20),(,,),19mm,4(),,,,(2.02.5mm),250350mm20.0110.0152.02.5mm,,150200mm,(368:21©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.)0.027,(d=4mm)(238mm,50mm),,,(),5V(0.250.3mm)(0.0080.01)(0.91.2mm),(24mm,100150mm),36mm,2448816mm,50100mm6,(),,,7V,,,,,(),()()(),,,,,8V,,,,,,,,,,,(),,,(),,,,,,d=100mmPVC,(580mm),,,(95mm)(,),9,()(GB5023597),20m/s,()():,,5min,10:()46821©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,(mm),1mm,5mm,,(),20cm,,0.040.05MPa,10min,,,,,,()(),,,,20cm,(),E-mail:[e-mail]:2005-04-041.5hm2,117.4m,122.7m,11.6m,(1)1,3,,,,(DBJ15342004),625m,20m,1256m2,,;,;,20s,,86.4%,,,(0.25MPa),,,,,()568:21©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.