您好,欢迎访问三七文档
当前位置:首页 > 建筑/环境 > 设计及方案 > 低负荷进水的改良型A2O曝气池的改造
38920139ENVIRONMENTALSCIENCEANDMANAGEMENTVol.38No.9Sep.20132013-08-291969-。1674-6139201309-0103-03A2/O原建光1,孙娟1,苑丽2,李洪涛11.4540002.454000工业集聚区都配套相关的污水处理厂,但是很多工业集聚区,在刚刚起步的时候配套的污水处理厂都面临配套管网建设滞后、收集废水量较少等问题。焦作市万方工业集聚区污水处理厂进水单一,生化性差,进水负荷低于设计值,曝气池连续曝气造成污泥解絮,间歇曝气导致污泥在反应区发生沉淀,为解决上述问题,在好氧区添加潜水搅拌器,能够合理控制溶解氧,防止污泥解体,并且还可以避免生物反应区污泥发生沉淀现象,降低了电耗,出水指标好,达到了设备改造预期效果。低负荷;A2/O;添加潜水搅拌器;改造X730.3BImprovementofAerationTankwithLowA2/OLoadYuanJianguang1SunJuan1YuanLi2LiHongtao11.KangdaEnvironmentalWaterCo.Ltd.Jiaozuo454000China2.JiaozuoMunicipalEnvironmentalMonitoringStationJiaozuo454000ChinaAbstractIndustrialagglomerationareasusuallyhavesupportingsewagetreatmentplantsbutthesetreatmentplantsusuallyhavetheproblemsoflaggedbehindconstructionofpipelinesorsmalltreatmentcapacity.ThesewageplantofJiaozuoWanfangIn-dustrialZonefacestheproblemsofsingleinfluentandpoorbiodegradability.Theinfluentloadislessthanthedesignvalueresul-tingindeflocculatinginaerationtankandthesludgeareprecipitatedinthereactionzone.Tosolvetheseproblemssubmersiblemixerswereaddedintheaerobiczonetocontrolthedissolvedoxygenandpreventsludgedisintegrationandalsoavoidthereac-tionzoneofbiologicalsludgeprecipitationphenomenon.Thissolutionhastheadvantagesoflowerpowerconsumptionandgoodef-fluentwaterqualityreachingexpectedresultsofequipmentmodification.KeywordslowloadA2/Osubmersiblemixertransformation、。、、、A2O。15.0m3/d2009122.5m3/d、15km2。+A2O+《》GB18918-2002B。1.1BOD530mg/lCOD·301·38920139·A2/OVol.38No.9Sep.2013B/C≈0.10.31。1CODcrmg/LBOD5mg/LSSmg/LNH4-Nmg/LT-Nmg/LTPmg/LpH300150~20030035454.06.5~8.52803021030604.06.5~8.51.21。1A2/O、。1.31232.0H=6.33.86~8。2A2O1265.0×32.5mH=6.8m。、、12400m3400m31200m32600m38200m3。11.64h1.5h、2.4h7.74h。、。4gSS/L、0.13kgBOD5/kgVSS·d、20d、2.1kgO2/kgBOD5、1∶5.25、100%。3230H=4.4100%1.0m3/m2·h2.0。22.1A2/O、。BOD530mg/lMLSS2000mg/l0.03kgBOD5/MLSS·d50%。DO9~10mg/l。。DO2~4mg/l。·401·38920139·A2/OVol.38No.9Sep.20132.2DO2~4mg/l。。6~8W21476.8W256KW。4KW960rap/min0.4、40。233.1h1、2、3、4DOMLSS1、2、3、4DOMLSS2、3。2DOMLSS1h2h3h4hMLSSmg/l1975203820242078DOmg/l1.11.64.16.23DOMLSS1h2h3h4hMLSSmg/l1989196118901913DOmg/l2.41.71.20.93.22000mg/l1、23380m3/min、12、12。44.1110KW2480m3/min26403380m3/min12、1264819440。4.22011。、4。4mg/lCODNH3-NSS801740656.51351BOD5MLSS2000mg/l33。2、。3、。·501·
本文标题:低负荷进水的改良型A2O曝气池的改造
链接地址:https://www.777doc.com/doc-6553509 .html