改良AAOMBRRO工艺用于半地下式污水厂工程设计秦桂海

AAO/MBR/RO26400015×104m3/d4×104m3/d。。AAO+MBRMBRRO。。A。、。MBR。AAOMBRTU992．3C1000－4602201812－0046－04ProjectDesignofImprovedAAO/MBR/ROProcessinSemi-undergroundWastewaterTreatmentPlantQINGui-haiYantaiCityUrbanDrainageManagementOfficeYantai264000ChinaAbstractAwastewaterandreclaimedwatertreatmentplantinShandongProvincehadatreatmentcapacityof15×104m3/dandareclaimedwatercapacityof4×104m3/d．Theplantadoptedasemi-un-dergroundlayoutandtheimprovedAAO+MBRprocesssoastosaveoccupiedarea．PartoftheMBRef-fluentwascontinuallytreatedintheROtreatmentstageforreusepurpose．Afterthecompletionoftheprojecttheeffluentqualitywasexcellent．TheWWTPeffluentreachedthefirstlevelClassAstandardofGB18918－2002andtheeffluentofthereclaimedwatermettherequirementofcirculatingcoolingwaterforthepowerplant．Thesemi-undergrounddesignhadmanyadvantagessuchashighlyintensitylandsavingandreasonableselectionofdesignelevationmeetingthesurroundingenvironmentalrequire-ments．Howeverweshouldpaymoreattentiontothedehumidificationofundergroundwastewatertreat-mentplantsandtakeeffectivemeasuresforenergyconservationinthewholeprocessofMBR．KeywordsundergroundwastewatertreatmentplantAAOMBRRO120×104m3/dB。15×104m3/d10×104m3/d4×104m3/d。《》GB18918—2002A。。、1。500mg/L、2000mg/L。《》GB/T18920—2002≤1000·64·341220186CHINAWATER＆WASTEWATERVol．34No．12Jun．2018mg/L、≤250mg/L。1、Tab．1Designinfluentandeffluentqualitymg·L－1BOD5CODSSTNTP38086065076531110501015580．522.11。1Fig．1Projectlayoutsection2.22.2.1①MBRSS1。MBR。MBRUCT23。②SSSS/BOD51．71。。50%、20%～50%BOD5BOD5。////。③、、。。。80%。。④。。。2.2.22。粗细格栅污水曝气沉砂池提升泵房初沉池膜格栅间厌氧池缺氧池好氧池MBR膜池紫外消毒排海泵房反渗透进水泵保安过滤器反渗透增压泵反渗透膜装置清水池及送水泵房加氯间加氯至用户加药间鼓风机房PAC贮泥池脱水机房污泥外运出水至黄海2Fig．2Flowchartofwastewatertreatmentprocess33.1①MBR。12℃25℃166m×47m。7m1．5m0．088kgBOD5/kgMLSS·d15d·74·．watergasheat．comAAO/MBR/RO34120．76kgDS/kgBOD51．435h13．75h8．21h、5．54h1．09h。245kW900022202Q=2500m3/hH=9kPaN=11kWMBR2000．1μm40．63m3/h22202Q=450m3/hH=120kPaN=30kW1082Q=2345m3/hH=30kPaN=26．5kW422Q=50m3/hH=150kPaN=5．5kW。②。、＞65%16mJ/cm2。340kW。③。83672kg/d98．7%6437m3/d373m3/d79%。651Q=60m3/hN=75kW。④。4×104m3/dMBR17500m3/dRO22500m3/d。651Q=300m3/h300kPa5300m3/h1．3MPa5230m3/h。3.23.2.1。。、。3．00m1．50～1．90m7．20m1～1．5m。4。－7．00m。3。3.005.7m1.50净高4.5m10.00m-7.001.50m3Fig．3Verticalelevationofproject3.2.2。。。4。4Fig．4Pictureinthebox、、、、MBR、、、。·84·3412．watergasheat．com。。、。、。、、、、。4312×104m3/d2。2Tab．2Actualeffluentqualitymg·L－1BOD5CODSSTNTP1．8～6．532～454～67．6～10．40．9～2．60．16～0．322．5～3×104m3。TDS500～850mg/L150～220mg/L。5、、。MBR。①、。②。。③。④MBR、MBR、AAO、MBR。1．/J．2016322044－47．ChenLiLeiRuiLiuYangetal．Applicationofdenitrifi-cationdeepbedfilterandelectromagneticcatalyticozona-tiontoupgradingandreconstructionofwastewatertreat-mentplantJ．ChinaWater＆Wastewater2016322044－47inChinese．2．MBBRA2OJ．2017331259－62．ChenXiaoyan．ApplicationofMBBRandfive-stageA2/OintheupgradingandreconstructionofurbanwastewatertreatmentJ．ChinaWater＆Wastewater2017331259－62inChinese．3．MBBRⅣJ．2017331493－98．YangYuxingWuDiSongMeiqinetal．ApplicationofnewMBBRinWWTPupgradingtomeetclassⅣsurfacewaterstandardJ．ChinaWater＆Wastewater2017331493－98inChinese．4．J．2016321646－49．LiuShideCuiHongshengYinXingleietal．Analysisandsuggestionsforfireprotectiondesignofundergroundsew-agetreatmentplantJ．ChinaWater＆Wastewater2016321646－49inChinese．1963－、。[e-mail]2018－02－26·94·．watergasheat．comAAO/MBR/RO3412