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MBR41000114×104m3/dMBR《》GB3838—2002ⅣTN≤8mg/L。、、。TU992.3C1000-4602201724-0092-03ApplicationofMBRforUpgradingandReconstructionofWWTPLIUTaoDANGChao-huaHunanGuozhenEnvironmentalTechnologyCo.Ltd.Changsha410001ChinaAbstractThedesigncapacityoftheupgradingrenovationprojectofChangshasecondwastewater-treatmentplantwas14×104m3/d.ThemembranebioreactorMBRwastakenasthemaindesignprocessaccordingtoitsadvancedtreatmentperformance.TheeffluentqualitycanmeetthegradeⅣTN≤8mg/LoftheSurfaceWaterEnvironmentalQualityStandardGB3838-2002.Inadditiontothegeneralsituationoftheprojectflowprocessdesignparametersandthetechnicalcharacteristicsofthedesignedprojectweresummarized.KeywordswastewatertreatmentplantMBRupgradingandreconstruction2090。MBR、12。MBR。12.97hm214×104m3/d《》GB18918—2002B。201411。14×104m3/dMBR《》GB3838—2002ⅣTN≤8mg/L。2、1。1、Tab.1DesigninfluentandeffluentqualityCODBOD5SSNH3-NTNTP/mg·L-129010017022272.5/mg·L-1≤30≤6≤5≤1.5≤8≤0.3/%89.794.097.193.270.488.01。·29·3324201712CHINAWATER&WASTEWATERVol.33No.24Dec.2017粗格栅原水中格栅细格栅旋流沉砂池膜格栅厌氧池缺氧池好氧池膜分离池消毒池出水混合液回流Q混合液回流4Q混合液回流3Q储泥池剩余污泥离心脱水机房污泥外运1Fig.1FlowchartoftheChangshasecondWWTP3、3.1、、350、15、6mm、20mm5mm3mm。1mm。3444436.5m3/h0.85kPa15kW。3.2HRT4.0h3。-HRT1.2h2.8h3。100%。63.7kW122.3kW2118kPa16kW2910m3/h。3.3MBRMBR7×104m3/d。、、、。3.3.1HRT3.2h5.8m6500mg/L300%。7.00m3/h131043130kPa22kW2910m3/h。3.3.2MBR7817.80L/m2·h4。81161029。0.2μm40kPa。849.6Nm3/min17701.6kg/d99.0%1770.2m3/d。400%5648kPa16kW2910m3/h。3.3.3MBR、。、、981492m3/h110kPa22kW431200kPa11kW80m3/h。3.3.42。211146m3/min75kPa224kW321213m3/min45kPa224kW。3.4、、。23.60minL×B×H=25m×23m×4m3·39·.watergasheat.comMBR332425kg/h21。BOD5∶TN>415.4mg/L7TN25.0mg/L。30.0mg/L。431160kPa132kW2000m3/h。3.514×104m3/dMBR17701.6kg/d1770.2m3/d99%。372~90m3/h。0.4%0.5%0.1%。1000~3000L/h3.5MPa1.50kW。42016910—12201711。2。2Tab.2Themonthlyaverageofeffluentqualityduringcommissioningmg·L-1CODBOD5SSNH3-NTNTP20161012.84.65.00.348.570.312016119.63.53.00.267.830.382016129.13.13.00.206.240.14201718.53.22.00.166.110.11201728.62.52.00.156.640.07201739.83.02.00.175.770.0520161011TNTPCOD、BOD5、SS《》GB3838—2002Ⅳ。5MBRBⅣTN≤8mg/L。MBRMBR11%。1.———M.2002.2.M.2001.3HJ2010—2011S.2011.4HJ576—2010--S.2010.5./MBRJ.20143011116-119.6.//MBRJ.2014301789-91.7.J.2011371138-41.1984-。E-maillewtow@163.com2017-04-26·49·3324.watergasheat.com
本文标题:MBR工艺在污水处理厂提标改造中的工程应用刘焘
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