浮沉池工艺在给水处理中的应用研究范海燕1, 张 勇2, 迟炳章1, 董献凤1, 张瑞青3(1.淄博市鲁中勘察设计审查咨询中心,山东淄博255000;2.山东省工程咨询院,山东济南250014;3.山东建筑大学,山东济南250101) : 介绍了浮沉池工艺的产生、适应的原水条件,以及影响浮沉池工艺运行的因素。浮沉池工艺适应于低温低浊水和高藻水的处理,并能很好地应对突发的高浊度。水温、浊度、混凝条件、溶气系统、水力负荷、斜管(板)装置、排渣排泥系统都会影响浮沉池的运行。 : 浮沉池; 给水处理; 低温低浊水; 高藻水:TU991.2 :A :1673-9353(2009)04-0014-04doi:10.3969/j.issn.1673-9353.2009.04.004Applicationofflotation-sedimentationtankinwatertreatmentFanHaiyan1, ZhangYong2, ChiBingzhang1, DongXianfeng1, ZhangRuiqing3(1.LuzhongSurveyDesignInspectionConsultationCenter,Zibo255000,China;2.ShandongConsultationInstitute,Jinan250014,China;3.ShandongJianzhuUniversity,Jinan250101,China) Abstract: Thecharacteristicsoftheflotation-sedimentationtank,therawwaterconditionandthefactorsinfluencingoperationofthetankwereintroduced.Flotation-sedimentationtankwasaneffectiveprocessfortreatmentoflowtemperatureandlowturbiditywaterandalgae-ladenwater,anditwasalsofittedforsuddenoccurrenceofhighturbidity.Temperature,turbidity,coagulationcondition,dissolvedairsystem,hydraulicload,inclinedtube(plate)andsludgedischargesystemwouldaffecttheoperationoftheflotation-sedimentationtank. Keywords: flotation-sedimentationtank; watertreatment; lowtemperatureandlowturbiditywater; algae-ladenwater 。4~5,。0~1℃,2~4℃。,,5~30mg/L,5~10mg/L[1],。,,,,,。,、[2]。1 浮沉池的产生,,,,、。、[3],:6×104m3/d,80%;,94%[4]。·14·第3卷 第4期2009年8月 供水技术WATERTECHNOLOGY Vol.3No.4Aug.2009,100NTU[5-6],。,,,,。,,2070,,Sedilotazur()、Sedilotor()[7]。,(),,,,[2]。2 适用于浮沉池的原水条件:、、。、,。:①,,,;②,;③,CO2,;④,,,,;⑤,。,(20~30min),,,,,,,5min。,、。[8]:1—411—12,5℃,10NTU,,32.93%;68.9%,4NTU。[9]:76.66%~93.79%,64.03%~86.77%,,。,。[10]:15~25,10~17,5。,。,。[11]:169.5~66.3NTU,,3NTU。,,、。,,;,。3 浮沉池工艺的影响因素3.1 ,,,,,,[12],,。,;,,,。Kempeneers[13],20~25℃0~5℃,70%56%。Edzwald[14],12~17℃3~5℃,0.28NTU0.80NTU。,。·15·2009年8月范海燕,等:浮沉池工艺在给水处理中的应用研究第3卷 第4期3.2 ,。,。,100μm,,10~30μm,5min。Edzwald[15]Valade[16]5min,,5min20min,、。,(G70s-1),[17]。2~3,,。。[18](1∶1),10.5mg/L,1.2NTU,,;7mg/L,3NTU,,。3.3 ,。,90%。,,,。,。10~100μm,40μm[17]。,500kPa,,400~600kPa。Chung[19],330,440550kPa,83%,87%91%,。,。、,,,。5%~10%。。,,,,。3.4 、,、,,。,,,()、[12]。,。,,,。,,,。3.5 ,。,。:2~3m3/(m2·h),,;5~15m3/(m2·h),30°~50°,;25~40m3/(m2·h),60m3/(m2·h)。(10m3/(m2·h)),。10m3/(m2·h),(),。。·16·第3卷 第4期 供 水 技 术 2009年8月,,。,。,、。3.6 ()(),()。,()。:①(),;②()(),,;③(),;④(),(),。:①(),;②,;③(),,。、[2]:(),;,;(),。3.7 、。,,,,。,。,,,。,。4 结语:;;;,。,。,,,,。:[1] ,,.[J].,1999,25(5):31-34.[2] ,.[J].,2008,24(7):92-95.[3] ,,,.[J].,2006,22(6):38-41.[4] ,,.[J].,2004,24(7):9-12.[5]KiuruHJ.Developmentofdissolvedairflotationtechnologyfromthefirstgenerationtothenewest(third)one(DAFinturbulentflowcondition)[J].WaterScienceandTechnology,2001,43(8):1-7.[6] LundhM,JonssonL,DahlquistJ.Experimentalstudiesofthefluiddynamicsintheseparationzoneindissolvedairflotation[J].WaterRes,2000,34(1):21-30.[7] ,.[J].,2006,32(11):1-2.[8] ,,.[J].,2003,19(5):553-556.[9] ,,,.//[J].,2007,23(9):89-91.[10] ,,,.[J].,1999(7):21-22.[11] ,.[J].,2007,25(1):4-7.[12] ,,.[J].,2004,30(11):19-21.(下转第21页)·17·2009年8月范海燕,等:浮沉池工艺在给水处理中的应用研究第3卷 第4期[J].,2000,8(1):1-4.[2] ,,,.[J].,2004,32(1):43-45.[3] ,,.[J].,2006,9(5):44-47.[4] .[J].,2004,30(1):86-91.[5] ,,,.[J].,2001(8):441-443.[6] ,,,.[J].(),2000(1):79-83.[7]BrownNW,RobertsEPL,ChasiotisAT,etal.Atrazineremovalusingadsorptionandelectrochemicalregeneration[J].WaterResearch,2004,38(13):3067-3074.[8]BrownNW,RobertsEPL,GarforthAA,etal.Electrochemicalregenerationofacarbon-basedadsorbentloadedwithcrystalvioletdye[J].ElectrochimicaActa,2004,49(20):3269-3281.[9]ZhouMH,LeiLC.Electrochemicalregenerationofactivatedcarbonloadedwithp-nitrophenolinafluidizedelectrochemicalreactor[J].ElectrochimicaActa,2006,51(21):4489-4496.[10] ,《》.(4)[M].:,2002.[11] ,.SCN-[J].(),2006,46(6):893-896.[12] ,,,.[J].,2006,28(8):604-607.[13] ,,,.[J].,2004,37(9):44-45.E-mail:zengzhaoli44@hotmail.com:2009-06-22(上接第17页)[13] KempeneersS,VanMenxelF,GilleL.Adecadeoflargescaleexperienceindissolvedairflotation[J].WaterScienceandTechnology,2001,43(8):27-34.[14] EdzwaldJK,TobiasonJE,AmatoT,etal.Integratinghigh-rateDAFtechnologyintoplantdesign[J].JAWWA,1999,91(12):41-53.[15] EdzwaldJK,WalshJP,KaminskiGS,etal.Flocculationandairrequirementfordissolvedairflotation[J].JAWWA,1992,84(3):92-100.[16] ValadeMT,EdzwaldJK,TobiasonJE,etal.Particleremovalbyflotationandfiltration:pretreatmenteffects[J].JAWWA,1996,88(12):35-47.[17] ,,,.[J].,2003,19(8):26-29.[18] .、[J].,2006(5):155-156.[19] ChungY,ChoiYC,ChoiYH,etal.Ademonstrationscaling-upofthedissolvedairflotation[J].WaterResearch,2000,42(3):817-824.E-mail:wyl1016@sina.com:2009-05-15·21·2009年8月李增朝,等:电化学法再生活性炭试验研究第3卷 第4期