MBBR工艺中流化推流器的选用案例分析卢雪飞

MBBＲ211500。+、、。20161215。MBBＲ。、、MBBＲ。MBBＲTU992．3B1000－4602201804－0022－04SelectionCaseAnalysisofFlowThrusterinMBBＲProcessLUXue-feiWANGWen-shengLIUYu-yongNanjingBeiteEnvironmentalProtectionGEManufactureCo．Ltd．Nanjing211500ChinaAbstractInXilinhaotewastewatertreatmentplanttheeffluentqualitycouldnotmeetthere-quiredstandardafteralargeamountofslaughterhousewastewaterflowedintotheplant．Soitisnecessarytoupgradethetreatmentprocess．Sincethesuspendedfillerwithmechanicalflowthrusteragitationhasadvantagessuchaslandsavinglessconstructioninvestmentlowcostetc．thecombinationprocessoffluidizedbedbiofilmandactivatedsludgewasadoptedintheupgradingproject．Thestartandoperationofthewholetreatmentprocessofthisplantwason15Decemberin2016．Nowtheprocessisinthesta-bleoperationperiod．PackingfluidizationqualitydirectlyaffectstheperformanceofthetreatmentprocesssothedesignofflowthrusteristhekeypointinMBBＲprocess．Thispaperintroducestheappli-cationexperienceofthepreliminarydesignofbiologicaltankwithpackingandflowinverterdebugginginstallationandcommissioningoftheprojectwhichcouldbeusedasareferenceforthedesignandoper-ationmanagementofbiologicaltankintheMBBＲprocessofothersimilarwastewatertreatmentplantsmanagement．KeywordsMBBＲprocesssuspendedfillerfluidizedflowupgradingsewagetreatment1“”。。MBＲ、A2/OMBBＲ、、。DE4×104m3/d2．8×104m3/d。、·22·34420182CHINAWATEＲ＆WASTEWATEＲVol．34No．4Feb．2018。《》GB18918—2002A。+。1。。、11。1、Tab．1Designinfluentandeffluentqualitymg·L－1CODBOD5SSNH3－NTPTN200080012012014130≤50≤10≤10≤58≤0．5≤151Fig．1Flowchartofupgradingtreatmentprocess22.125±0．5mm10±1mm0．35±0．1mm。2.2450m2/m30．94～0．97g/cm392%0．21N/mm95%19%5%2。2.330%～40%。33.1MBBＲAAO－MBBＲQDTM。422。2Fig．2OriginaldesignlayoutofflowthrusterinatankMBBＲ①②·32·．watergasheat．comMBBＲ344③、。MBBＲ。3。3Fig．3Optimizedlayoutplanofflowthruster。65。3.24。。5。4Fig．4Performanceofthebiologicaltank5Fig．5Schematicdiagramofflowthrusterlayoutinaerationtank。44.16。。。6Fig．6Schematicdiagramofangledinstallationforflowthruster201612131215。·42·344．watergasheat．com。7。7Fig．7Fixationoftheangledfixingplate10%30%～40%。。4.2。。。。15°～30°。5①MB-BＲ。②。③、、。。④。。1．HYBASTMJ．2006221221－25．2CJ/T461—2014S．2015．1984－。[e-mail]2017－09－27·52·．watergasheat．comMBBＲ344