山东某大型水厂硝酸盐深度处理工艺设计总结

1121．3000742．26400010×104m3/d+++V+/+。UF+ＲO。、、。UF+ＲOTU991C1000－4602201504－0077－06DesignSummaryofAdvancedTreatmentProcessforＲemovingNitratefromWaterinaLarg-scaleWaterworksinShandongProvinceZHANGYi1SUNWei-dong1ZHOUMing-liang21．NorthChinaMunicipalEngineeringDesignandＲesearchInstituteTianjin300074China2．YantaiWaterSupplyCo．Ltd．Yantai264000ChinaAbstractTherecentcapacityofawaterworksinShandongProvinceis10×104m3/d．Thecom-binedprocessofmechanicalmixfoldedplatereactionhorizontalflowsedimentationtankV-typefilterandUV/liquidchlorinedisinfectionisadoptedandthesludgetreatmentprocessisgravityconcentrationandmechanicaldewatering．BecauseofhighnitratecontentinrawwatertheUFandＲOprocessisusedforadvancedtreatment．Theselectionofwatersourcepredictionofwatervolumedesignwaterqualityanddesignparametersofmainprocessunitswereintroduced．Theproblemsthatshouldbepayattentiontointheengineeringdesignandtheengineeringbenefitareanalyzed．KeywordsSouth-to-NorthwaterdiversionprojectnitrateadvancedtreatmentUFandＲOprocess1。、13．58hm27．3hm2。201510×104m3/d202520×104m3/d。22.1、。、。。、·77·31420152CHINAWATEＲ＆WASTEWATEＲVol．31No．4Feb．2015、。《》3650×104m3/a500×104m3/a4150×104m3/a3650×104m3/a。10×104m3/d。DN220040×104m3/d。2011。10×104m3/d。76m。3650×104m3/a11×104m3/d。2.21、2。1Tab．1Waterquantityprediction104m3·d－1201541．0937．5439．32202555．9452．8754．412Tab．2Waterbalanceofwatersupplyandconsumption104m3·d－1201539．3217．562．53．79．62202554．4117．5637．220．712.32006—2010《》GB3838—2002Ⅲ、N。《》GB5749—2006。2008。Ⅲ。。Ⅲ、《》GB5749—2006。14mg/L10mg/L。。＜15NTU20～50NTU≤30NTU3。3Tab．3Designinfluentquality/NTU≤30/≤20N/mg·L－1≤14≤Ⅲ《》GB5749—2006。＜0．5NTU1．0NTU。2.4+++V++。1。·87·314．watergasheat．com1Fig．1Flowchartofwatertreatmentprocess①、、。。。。②、、、V。、、VV。③“”“”。④99．7%97%～98%2%～3%。、、、。、、。⑤、。。、。70%。、、。·97·．watergasheat．com314。75%～80%。。⑥、、、1。。2℃7～8℃7℃4．98×104kW118×104kW·h。2t。。、。。。。。UFＲO10×104m3/d+D+UF+NF3×104m3/d3×104m3/dUF+ＲO4×104m3/dUF+ＲOＲO。UF+ＲO2。2UF+ＲOFig．2Flowchartofadvancedtreatmentprocess·08·314．watergasheat．com2.54。4Tab．4Designparametersofadvancedtreatmentunit/m3·h－11750/MPa≤0．3/%≥94/8PVDF/m3·h－11650/5/MPa≤1．5/%85/m3·h－1250/2/MPa≤2/%53、、、3138m×68m。、、、、。2.5.1UF①1600m3。②431650m3/h180kPa45kW。③431650m3/h0．1mm。④8199m3/h·≥94%64L/m2·h。⑤。211300m3/h200kPa30kW。NaClO21120L/h0．3MPa250W。⑥。16m3FＲP。21180m3/h200kPa7．5kW。3210．7m3/h120kPa0．37kW。11m3PE。11m3PE。NaClO12m3PE。⑦。11m31．0MPa。15m31．0MPa。2116．7m3/min0．7MPa75kW。⑧1600m3。2.5.2ＲO①431550m3/h320kPa75kW。②431550m3/h5μm。③5320m3/h1400kPa180kW。④5270m3/h·85%。⑤。11m3PE。11m3PE。2200LPE。21120L/h0．3MPa250W。21120L/h0．3MPa250W。150L/h0．3MPa250W。⑥。115m3FＲP。1200m3/h320kPa30kW。1200m3/h10μm。1100kW。⑦1300m3/h200kPa22kW。2.5.3ＲO2120m3/h950kPa45kW。263m3/h·53%。、。2.5.42200m3。422150m3/h·18·．watergasheat．com314120kPa7．5kW。2.6①PLC、。②、。。③、。。④200m2200600。。、70～85db1m＜85db。。。33．92．2/m31．45/m3。。1．J．199314263－6670．2．/PＲBJ．201430348－51．3．J．2013291035－39．4．J．2013291453－55．5．J．2012281490－93．1965－、、。[e-mail]2014－06－20·28·314．watergasheat．com