青山湖污水处理厂工程优化初步设计说明 106页

青山湖污水处理厂工程QingShanHuSewageTreatmentPlant优化初步设计OptimizedPreliminaryDesign工号Proj.No:2002-163中国市政工程华北设计研究院NorthChinaMunicipalEngineeringDesign&ResearchInstitute2003年01月\n国徽工程设计证书甲级单位名称：中国市政工程华北设计研究院业务范围：市政公用行业（地铁轻轨除外）甲级、建筑行业建筑工程甲级、冶金行业（焦化）甲级。以下空白证书编号：020010-sj有效期：****发证部门：中华人民共和国建部（印章）2002年7月17日中华人民共和国建设部印制\n文件签署院长曹开朗主管副院长徐强院总工程师李成江计划经营部部长王起技术质量部部长李颜强设计九所所长刘晓松设计九所副所长胡永龙设计九所总工程师申蓁项目负责人申蓁\n本人签署页院级审核审定李成江第九设计所所长刘晓松第九设计所副所长胡永龙第九设计所总工申蓁项目负责人申蓁工艺专业负责人李晶总图专业负责人宫业龙电气专业负责人刘清自控专业负责人余颖建筑专业负责人黄玉慧结构专业负责人刘迎焕暖通专业负责人李小慧\n青山湖污水处理厂工程QingShanHuSewageTreatmentPlant优化初步设计OptimizedPreliminaryDesign第一卷设计说明书PartOne:SpecificationofOptimizedDesign\n目录Content前言Preface--------------------------------------------------------------------011设计依据BasesofDesign---------------------------------------------------2设计范围DesignScope------------------------------------------------------3工程规模ScaleoftheProject-----------------------------------------------4污水处理厂进水水质RawsewagequalityofQingShanHuSewageTreatmentPlant------5污水处理厂出水水质EffluentqualityofQingShanHuSewageTreatmentPlant----------6污水处理厂处理工艺TreatmentProcessoftheSewageTreatmentPlant-----------------7污水处理厂工程设计EngineeringDesignofSewageTreatmentPlant-------------------7.1工程内容EngineeringContent--------------------------------------------7.2处理单元工艺设计DesignofTreatmentProcess\nUnit----------------7.3总平面设计GeneralLayout-----------------------------------------------7.4高程设计DesignofAltitude-----------------------------------------------7.5附属设施OtherFacilities--------------------------------------------------7.6建筑设计说明NotesForArchitecture------------------------------------7.7结构设计说明StructureDesignReference------------------------------7.8电气设计ElectricalDesign------------------------------------------------7.9自动化仪表及控制系统的设计AutomaticControlSystemAndInstrumentationDesign-8暖通设计HV&ACNotes--------------------------------------------------9人员编制StaffArrangement-------------------------------------------------\n前言Preface中国市政工程华北设计研究院受德国柏林水务国际有限公司的委托，对南昌市青山湖污水处理厂工程进行施工图阶段设计。NorthChinaMunicipalEngineeringDesign&ResearchInstituteiscommissionedbyBerlinwasserInternationalGmbHtotheconstructiondesignoftheQingShanHuSewageTreatmentPlantinNanchangcity.在此之前德国柏林水务国际有限公司根据已审批的《江西省南昌市青山湖污水处理工程初步设计》提出了初步设计优化方案设想，并通过了有关方面的审查论证。为此，在施工图设计之前，中国市政工程华北设计研究院需以柏林水务国际有限公司提出的初步设计优化方案设想为基础并充分体现柏林水务国际有限公司的宗旨，对原《江西省南昌市青山湖污水处理工程初步设计》进行修改即优化初步设计。双方就工程技术方案进行了认真讨论、交流、磋商形成共识后，我院于2002年12月15日开始了本项目的初步设计优化设计工作，于2003年1月23日完成。在文件的编制过程中，得到了柏林水务国际有限公司的专家的大力支持和协作，同时也得到了南昌市污水处理工程有限公司等有关部门的支持和帮助。BerlinwasserInternationalGmbHhadputforwardtheconceptionofoptimizedpreliminarydesignaccordingtotheaudited“PreliminaryPlanningofNanchangCityQingShanHuSewageTreatmentPlantinJiangxiProvince”whichhas\npassedthroughtheaudit.Therefore,theoptimizingofpreliminarydesignofNCMEDRIshouldbebasedontheconceptionofoptimizedpreliminaryplanningandtheaccomplishedpreliminarydesign,andtakefullconsiderationofthetenetoftheBerlinwasserInternationalGmbH.AfterathoroughdiscussionNCMEDRIstarttoworkat12.15.2002,andcompletedat01.23.2003.Duringcompiling,NCMEDRIreceivedgreathelpandsupportfromBerlinwasserInternationalGmbHandNanchangSewageTreatmentCompany.本文件由三部分内容组成：第一卷优化初步设计说明书第二卷主要设备材料清单第三卷设计图纸Thewholedocumentiscomposedofthreeparts:PartOne:SpecificationofOptimizedDesignPartTwo:MainEquipmentsandMaterialListPartThree:DesignDrawings在第一卷中我们只对污水处理厂的工程设计部分做简要说明，其余方面可参见原初步设计，在本文件中不重复累述。OnlyabriefdescriptionoftheengineeringdesignofthesewagetreatmentplantwillbedoneinPartOne,andotherscanbereferredtointheoriginalpreliminary\ndesign,therefore,itwillnotberepeatedhere.1设计依据BasesofDesign·《江西省南昌市青山湖污水处理厂工程初步设计说明书》及图纸（上海市政工程设计研究院）（南昌市城市规划设计研究总院）2002年4月“SpecificationofthePreliminaryDesignforNanchangCityQingShanHuSewageTreatmentPlantProject”andcorrespondingdrawings(ShanghaiMunicipalEngineeringDesign&ResearchInstitute)(NanchangGeneralUrbanLayoutDesignandResearchInstitute)·施工图设计合同ConstructionDesignContract·《南昌市青山湖污水处理厂初步设计优化方案》（柏林水务国际有限公司）StrategyofOptimizedPreliminaryDesignforNanchangCityQingShanHuSewageTreatmentPlant(BerlinwasserInternationalGmbH)·\n《南昌市青山湖污水处理厂优化设计备忘录》（2002年12月13日）NotesofoptimizingdesignforNanchangCityQingShanHuSewageTreatmentPlant(12.13.2002)2设计范围DesignScope本项目的设计范围为青山湖污水处理厂工程（围墙内）。对厂内的工艺、建筑、结构、总图、电气、自控、暖通进行优化设计。Areaforwhichdesignistobeperformed:Completesewagetreatmentplantpremisesuptotheperimeterfence(inclusive):includingoptimizingofprocess,architectureandcivilengineering,generaldrawing,electric&automaticcontrol,andheating&ventilation.\n3工程规模Scaleoftheproject根据污水量预测，青山湖污水处理厂最终规模99万m3/d，分三期建设，一期规模33万m3/d。本项目按一期规模设计，充分考虑与二、三期的衔接。Accordingtothepredictionoftheflowquantity,QingShanHuSewageTreatmentPlant,Nanchang,consistingofthemechanicaltreatmentstage(990,000m3/d)andthebiologicaltreatmentstage(330,000m3/d).Thedesignworkisbasedonthescaleof330,000m3/dandtakefullconsiderationofthefurthertwostages.\n4污水处理厂进水水质Rawsewagequalityofthesewagetreatmentplant确定青山湖污水处理厂进水水质为：RawsewagequalityofQingShanHuSewageTreatmentPlantisasthefollowing:CODcr≤250mg/LBOD5≤130mg/LSS≤200mg/LNH3-N≤20mg/L\n磷酸盐Phosphate（以P计calculatedasP）≤2.0mg/L根据排水协议，无需考虑水质波动。NofluctuationofwaterqualityneedbeconsideredaccordingtotheSupplyAgreement.5污水处理厂出水水质EffluentqualityofQingShanHuSewageTreatmentPlant青山湖污水处理厂出水水质如下：EffluentqualityofQingShanHuSewageTreatmentPlantisasthefollowing:CODcr≤120mg/LBOD5≤30mg/LSS≤30mg/L磷酸盐Phosphate（以P计calculatedasP）≤1.0mg/LNH3-N≤25mg/L\n6污水处理厂处理工艺TreatmentProcessoftheSewageTreatmentPlant依据德国柏林水务国际有限公司的初步设计优化方案，青山湖污水处理厂处理工艺如下：AccordingtothestrategyofoptimizedpreliminarydesignofBerlinwasserInternationalGmbH,thetreatmentprocesswillbeasthefollowing:污水处理工艺采用普曝法工艺。曝气池为氧化沟形式，采用表面曝气机曝气。Traditionalaerationprocesswillbeappliedinthe\ntreatment.Theoxidationditchesareadoptedasaerationtankswithupside-downsurfaceaerators.污泥处理工艺采用厌氧中温消化，消化后的污泥经机械脱水后外运。Anerobicmildtemperaturedigestionisadoptedinthetreatmentofsludge,anddigestedsludgeshallbetransportedoutaftermechanicaldewatering.对消化过程中产生的沼气进行综合利用，其用途有Theusageofthebiogasproducedduringdigestion:（1）用于拖动进水泵的沼气发动机Todrivethe2screwpumps.（2）用于加热消化池的沼气锅炉Toheatupthedigestiontankthroughbiogasboiler:（3）用于厂区综合楼的集中空调溴化锂机组Tothelithiumbromideunitforcentralair-conditioninginthegeneralofficebuilding.沼气利用的气量及热量平衡图见污泥处理工艺设计部分Theamountandheatbalancechartofthebiogaspleaserefertotheprocessdesignofsludgetreatment.青山湖污水处理厂处理工艺流程如下：TheflowoftheQingShanHuSewageTreatmentPlantisasthefollowing:\n雨水溢流栅渣外运栅渣外运计量原污水曝气沉砂池细格栅站粗格栅及进水泵房计量终沉池低排沟氧化沟污泥脱水机房储泥池消化池污泥浓缩机房污泥缓冲池污泥泵池沼气利用沼气柜泥饼外运7污水处理厂工程设计EngineeringDesignoftheSewageTreatmentPlant7.1工程内容EngineeringContent青山湖污水处理厂规模33万m3/d，并予留二、三期规模发展用地，其主要内容包括：ThedesignscaleQingShanHuSewageTreatmentPlantis330,000m3/d,andthedevelopingareaforfurthersecondandthirdstageisleft.Maincontentissetasbelow:·污水提升与预处理系统\nSewagepumpingandpretreatmentsystem·污水生化处理系统Sewagebiologicaltreatmentsystem·污泥处理系统Sludgetreatmentsystem·厂区附属建筑Otherbuildingsinplant·厂区动力系统（包括变配电系统）Powersysteminplant(includingtransformersystem)·自动控制监测仪表系统Automaticcontrolandinstrumentsystem·厂区总平面及配套设施Generallayoutoftheplantandsupportingsystem7.2处理单元工艺设计Designoftreatmentprocessunit设计规模Q=33万m3/dScale:Q=330,000m3/d根据要求，截流倍数为2的雨水经污水处理厂预处理后（经曝气沉砂后）直接溢流至厂区南侧的低排沟。Rainwaterwhoseinterceptionmultipleis2overflowstoDipaitroughinfrontofthesouthoftheplantafterpretreatment(aerationgritchamber)\n雨季最大设计流量Qmax=11.46m3/s(Qmax=990000m3/d)TheRainseasonQmax=11.46m3/s(Qmax=990000m3/d)旱季最大设计流量Q旱max=4.40m3/s(Q旱max=380000m3/d)ThedryseasonQ旱max=4.40m3/s(Q旱max=380000m3/d)旱季平均设计流量Q平均=3.82m3/s(Q平均=330000m3/d)ThedryseasonQ平均=3.82m3/s(Q平均=330000m3/d)(1)粗格栅及进水泵房Coarsescreenandinletpumpstation设计参数及描述：Designparametersanddescription 粗格栅及进水泵房土建及设备规模均按一期规模设计并充分考虑与二、三期规模的衔接。 ScaleofcivilEngeneeringandequipmentsaresetforthaccordingtothefirststageandgivefullconsiderationtothefurthersecondandthirdstage. 设计流量：雨季最大流量Qmax=11.46m3/s Designflowquantity:RainseasonQmax=11.46m3/s 旱季最大流量Q旱max=4.40m3/s DryseasonQmax=4.40m3/s 旱季平均流量Q平均=3.82m3/s DryseasonQaver..=3.82m3\n/s 粗格栅间的设置，可去除污水中较大漂浮物以保证污水提升泵的正常运行，粗格栅间内安装有齿耙除污机和用于维修的闸门等设备。该格栅除污设备带有独立轨道及抓爪，根据时间间隔或格栅前后水位差，自动启闭悬挂在载重滑车上的机械抓爪，将污物排放至收集箱，完成栅渣的收集、输送和装箱。采用机械格栅与进水泵房合建，共设三条渠道，单沟宽2000mm，正常情况下，三台格栅运行，事故时互为备用。 Coarsescreenisdesignedtoremovetherelativebigfloaterstoensurethenormaloperationoftheinletpump.Rakeandmaintenancegatesetcareinstalledinthecoarsescreenstation.Rakebringsitselfindependenttrailsandgrippers,andremovethescreenstothedustbinautomaticallyaccordingtotimeintermittentorwaterleveldifference.Itaccomplishesthecollection,transportationandincasement.Thecoarsescreenandinletpumpstationarejoinedtogether.Therearealtogether3channelsdesignedinthecoarsescreenstationwithindividualwidth2000mm.3coarsescreensareinoperationnormallyandbestandbybyeachotherwhenaccidentshappen.\n设置进水泵房，用来提升污水以满足后续污水处理流程及竖向的衔接要求，为地下式钢筋混凝土矩形集水池，泵房与粗格栅合建，污水经泵房提升后通过渠道，进入细格栅站。进水泵采用螺旋泵型式，以提高效率减少维护。内设6台螺旋污水泵，旱季3用3备，雨季6台全开。根据沼气平衡计算，其中两台进水泵采用沼气发动机驱动，当运行初期无沼气时可用天然气暂时替代。根据实际运行情况租用天然气子站用专用车。每台螺旋泵前均设有闸门以便检修。在集水泵池上部建有泵房，用于防护螺旋泵的电机和沼气发动机及配套的余热利用系统，室内装有现场电控柜及PLC柜。Theinletpumpstationisdesignedforpumpingsewagetosatisfythetreatmentflowandverticallinkup.Itisanundergroundreinforcedconcreterectangulartank,willbebuilttogetherwiththecoarsescreen.Sewageispumpedtothefinescreenstationthroughchannels.6screwpumpsareadoptedtoimproveefficiencyandreducemaintenance.3areinoperationandthreestandbyindryseasonand6inoperationinrainseason.2ofthe6screwpumpsaredrovebybiogasenginesduetothebalancecalculationofthebiogas.Inthefirstperiodofoperationwhenthereisnotenoughbiogas,the2biogasengineswillusenaturalgasasfuel.Specialtruckswillbeleasedfromthenaturalgassubstationaccordingtooperationrequirement.Arectangulargateissetbeforeeachofthescrewpumpforitsmaintenance.Apumphouseisbuiltonthechannelsinwhichareenginesforscrewpumps,heatrecyclingsystemsandPLC&controlpanels.粗格栅间尺寸：长X宽X高7mx8mx5.8mDimensionsofthecoarsescreen:\nLengthxwidthxheigh7mx8mx5.8m B.主要设备及参数 Mainequipmentsandparameters 齿耙除污机 Rake 数量：3套 Quantity:3sets 格栅宽度：B=2.0m Widthofthescreen:B=2.0m 栅条间隙：b=80mm Clearanceofthebars:b=80mm 栅条倾角：α=70o Inclinationofthebars:α=70o 栅前水深：2.25m（雨季） Waterdepthbeforescreen:2.25m(rainseason) 1.47m（旱季最大） 1.47m(max.indryseason) 过栅流速：0.65m/s旱季流速 velocity:0.65m/s(Dryseason) 1.0m/s雨季流速 1.0m/s(rain\nseason) 电动闸门 数量：3套 Quantity:3sets 规格：2mx1.8mN=2.2kw Specification:2mx1.8mN=2.2kw 螺旋泵及配套设备 Screwpumpsanditsaccessories 设备数量：6套（雨季全开，平均旱季2台，最大旱季3台） Quantity:6sets(allinoperationinrainseason,aver.2andmax.3indryseason) 流量：Q=1910L/s Flowquantity:Q=1910L/s 提升高度：H=8.28m（设计水位13.30m,提升后水位21.58m） Head:H=8.28m(min.waterlevel13.30,and21.58afterpumping) 螺旋直径：D=2.850m Diameterofthescrew:D=2.850m 配套电机 Engines 设备数量：4套 Quantity:4sets 单台功率N=250\nkw Powerforeach:N=250kw 沼气发动机 Biogasengines 设备数量：2套 Quantity:2sets 单台功率N=250kw Powerforeach:N=250kw 所需沼气量6178Nm3/d Biogasneeded:6178Nm3/d 可利用余热1237x104Kcal/d Usableremainheat:1237x104Kcal/d ---热回收系统300KW ---Heatrecoverysystem300KW ---紧急冷却系统96Kcal/s ---Emergencyaircooler96Kcal/s ---油泵40l/h ---Oilpump40l/h 叠梁闸门 Pensrock 数量：6套 Quantity:6sets (2)细格栅站 \nFinescreenstation 设计参数及描述 Descriptionofthedesignparameters 细格栅站土建及设备规模均按一期规模设计并充分考虑与二、三期规模的衔接。 ScaleofcivilEngineeringandequipmentsaresetforthaccordingtothefirststageandgivefullconsiderationtothefurthersecondandthirdstage. 设计流量：雨季最大流量Qmax=11.46m3/s Designflowquantity:RainseasonQmax=11.46m3/s 旱季最大流量Q旱max=4.40m3/s DryseasonQmax=4.40m3/s 旱季平均流量Q平均=3.82m3/s DryseasonQaver..=3.82m3/s 设置细格栅可去除原水中漂浮物以及杂物，保证后续处理流程的通畅，设有八条渠道。八条渠道格栅前后分别装有闸门以便检修。细格栅的栅渣由螺旋传送至栅渣压实后送往栅渣箱中，污水经过细格栅后进入曝气沉砂池。细格栅站与进水泵房联建，单渠宽2.0m。 Thefinescreenstationisdesignedtoremovefloatersintherawsewagetoensureasmoothflowinthefollowingtreatment.8channels,eachisequippedwithpenstorksformaintenance,areset.Screensareremovedbyscrewconveyorandcrushedbyscreenspresser,and\nsentintodustin.Sewageflowsintoaerationgritchamberafterfinescreen.Finescreenstationisbuilttogetherwithinletpumpstation,andsinglechannelwidthis2.0m. 主要设备及参数 Mainequipmentsandparameters 机械旋转细格栅 Mechanicalrotationfinescreen 数量：8台 Quantity:8sets 格栅宽度：B=1.8m Width:B=1.8m 栅条间隙：b=15mm Clearancebetweenbars:b=15mm 格栅倾角：α=70o Inclination:α=70o 栅前水深：1.6m Waterdepth:1.6m 单台功率N=2.2kw Powerforeach:N=2.2kw 螺旋输送机 Screw\nconveyor 数量：1台 Quantity:1set 规格：6m3/hL=23m Specification:6m3/hL=23m 单台功率：N=3.7kw Powerforeachset:N=3.7kw 栅渣压实机 Screenpresser 数量：1台 Quantity:1set 规格：6m3/h Specification:6m3/h单台功率：N=1.5kwPowerforeachset:N=1.5kwa.手动渠道闸门ManualChannelPenstock数量：16套Quantity:16sets规格：2.0mx1.8mSpecification:2.0mx1.8m(3)曝气沉砂池AerationGritChamber\nA.设计参数及描述Descriptionofthedesignparameters曝气沉砂池土建及设备规模均按一期规模设计并充分考虑与二、三期规模的衔接。ScaleofcivilEngineeringandequipmentsaresetforthaccordingtothefirststageandgivefullconsiderationtothefurthersecondandthirdstage.设计流量：雨季最大流量Qmax=11.46m3/sDesignflowquantity:RainseasonQmax=11.46m3/s旱季最大流量Q旱max=4.40m3/sDryseasonQmax=4.40m3/s旱季平均流量Q平均=3.82m3/sDryseasonQaver..=3.82m3/s沉砂池采用曝气沉砂池系统，可去除原水中粒径较大的无机砂粒，以保证后续流程的正常运行。Theaerationgritsettingsystemofthegritchambercanremovetherelativebiginorganicgranulestoensureasmoothflowinthefollowingtreatment.吸砂泵提升沉砂至砂水分离器，进行砂水分离。污水经沉砂池后进入氧化沟。罗茨鼓风机放置于进水泵房一层内。Gritremovalpumpraisesgritstogritclassifier,whichseparategritfromwater.Thesewageflowsintooxidation\nditchaftersetting.Theblowersareputinfirstflootofthepumpstation.采用两组沉砂池系统（每组两池）。Twogroupsofgritchambersareadopted(eachwithtwochambers).池数：4池Numberoftanks:4chambers雨季停留时间：2minRetentiontimeindryseasons:5min池长：L=30mLengthofthechamber:L=30m池宽：B=4.0mWidthofthechamber:B=4.0m有效水深约H效=3.0mEffectivewaterdepth:Heffective=3.0m所需空气量：1788m3/hAirneeded:1788m3/hB.主要设备及参数Mainequipmentsandparametersa.刮砂桥Gritscraper数量：2套（两池共用1套）\nQuantity:2sets(oneforeachtwochambers)桥长：L=10mLength:L=10m单台功率：N=0.75kwPowerforeachset:N=0.75kwa.吸砂泵Gritremovealpump数量：4套Quantity:4sets规格：Q=40m3/hH=5mSpecification:Q=40m3/hH=5m单台功率：N=2.2kwPowerforeachset:N=2.2kwb.罗茨鼓风机Blowers数量：3套（二用一备）Quantity:3sets(onestandby)规格：Q=895m3/hH=3.5mSpecification:Q=895m3/hH=3.5m单台功率：18kwPowerforeachset:18kwc.砂水分离器\n数量：2套Quantity:2sets规格：Q=70~120m3/hSpecification:Q=70~120m3/h单台功率：N=1.1kwPowerforeachset:N=1.1kwa.手动渠道闸门Manualchannelpenstock数量：4套Quantity:4sets规格：1.5mx1.5mSpecification:1.5mx1.5mb.手动渠道闸门Manualchannelpenstock数量：4套Quantity:4sets规格：1.5mx1.8mSpecification:1.5mx1.8m(4)雨水溢流渠RainOverflowChannelA.设计参数及描述Descriptionofthedesignparameters\n为矩形钢筋砼结构，池内设有调节堰板，雨季时可调节溢流量以保证进入氧化沟流量的稳定。在进入氧化沟渠道的入口处装有叠梁闸，雨季时可插入叠梁闸板以保证进入氧化沟流量的稳定。溢流后的雨水直接排入低排沟，该渠道按一期规模设计。Rectangularreinforcedconcretestructurewithadjustableweirinforadjustmentofoverflowquantityinrainseasonstoensurestabilityintheoxidationditches.Stoplogsareinstalledintheentranceoftheoxidationditches,toensurethestableoperationoftheoxidationditchesinrainseasons.TheoverflowedrainflowsintoDipaiTroughdirectly,andtheoverflowchannelisdesignedasthefirststage(330,000m3/d).主要设计参数：Maindesignparameters:最大雨水溢流量6.49m3/sMax.overflowquantityoftherainwater:6.49m3/s池长：20mLengthofthetank:20mB.主要设备及参数Mainequipmentsandparametersa.电动调节堰板Electricadjustableweir\n规格：L=5mH=0.5mSpecifications:L=5mH=0.5m单台功率：0.75kwPowerforeachset:0.75kwa.叠梁闸Stoplogs规格：L=2.5mH=0.4mSpecifications:L=2.5mH=0.4m(5)氧化沟OxidationDitchesA.设计参数及描述Descriptionofthedesignparameters池中设立式表曝机，获得动能和溶解氧的混合液在池中快速流动，可形成好氧、缺氧区，具有降解有机物和脱氮的功能。为钢筋砼池。池内预留出安装水下推进器的位置，可根据以后实际运行情况确定。每座氧化沟通过渠道分别经计量后进水，可通过调节安装在进口处的调节堰确定进入每座氧化沟的流量，进水调节堰亦可起关闭进水的作用。氧化沟出水处亦安装有调节堰以调整池内水位并可关闭出水。每池设有放空阀门。Rectangularreinforcedconcretestructurewithadjustableweirinforadjustmentofoverflowquantityinrainseasonstoensurestabilityintheoxidation\nditches.Stoplogsareinstalledintheentranceoftheoxidationditches,toensurethestableoperationoftheoxidationditchesinrainseasons.TheoverflowedrainflowsintoDipaiTroughdirectly,andtheoverflowchannelisdesignedasthefirststage(330,000m3/d).主要设计参数Maindesignparameters设计流量旱季平均流量Q平均=3.82m3/sFlowquantity:AverageinDryseasons:Qaver..=3.82m3/s泥龄：4天Sludgelife:4days设计水温18摄氏度Temperatureofthesewage:18degrees污泥负荷0.204kgBOD5/kgMLSS·日Sludgeloading:0.204kgBOD5/kgMLSS·day污泥回流比100%Sludgereturnrate:100%污泥产率1.35kgDS/kgBOD5Sludgeproductionrate:1.35kgDS/kgBOD5混合液浓度：3.0~3.5g/LStrengthofmixedliquid:3.0~3.5g/L水深5.0m\nWaterdepth:5.0m池数：8池Quantityoftanks:8tanks曝气方式立式表曝机Wayofaeration:verticalsurfaceaerator氧化沟总容积8x9000m3Totalvolumeoftheoxidationditches:8x9000m3水力停留时间5.1hHydraulicretentiontime:5.1h实际平均需氧量为35154kgO2/dActualaverageoxygendemand:35154kgO2/d实际最大需氧量为45700kgO2/dActualmaximunoxygendemand:45700kgO2/d标准情况下平均需氧量为(SOR)59410kgO2/dAverageoxygendemandatstandardconditions(SOR)59410kgO2/d标准情况下最大需氧量为(SOR)59410kgO2/dMaximunoxygendemandatstandardconditions(SOR)59410kgO2/dB.主要设备及参数Mainequipmentsandparametersa.立式表曝机\nVerticalsurfaceaerators数量：16台（每池2台）Quantity:16sets(2foreachditch)单机功率：132kwPowerforeach:132kw转速：25~35rpmSpeed:25~35rpm表曝机直径：3500mmDiameterofthesurfaceaerator:3500mm动力效率：2.0kgO2/kw·hKineticefficiency:2.0kgO2/kw·ha.水下推进器（预留）SubmergedImpellers(remained)数量：16台Quantity:16sets单机功率：4kwPowerforeach:4kwb.电动进水调节堰板Electricadjustableinletweir:规格：L=3mH=0.5mSpecifications:L=3mH=0.5m单机功率：0.55kw\nPowerforeach:0.55kwa.电动出水调节堰板Electricadjustableeffluentweir:规格：L=5mH=0.5mSpecifications:L=5mH=0.5m单机功率：0.55kwPowerforeach:0.55kw根据溶解氧测定的溶氧值，由PLC控制，通过变频器调节表曝机电机转速，控制充氧量。同时考虑到进水流量对溶氧值的影响，将进水流量做为一个前馈信号引入进行补偿，构成前馈反馈闭环调节系统，改善调节质量，达到节能的目的。Aproperdissolvedoxygenquantityintheditchiskeptthroughadjustingthespeedofthemotoroftheaerator,whichiscontrolledbyPLCaccordingtothemeasureddissolvedoxygenquantity.Meanwhile,impactofinfluentonthedissolvedoxygenisalsoconsidered.Thequantityofinfluentisusedasasignalforcompensationtosaveenergy.(6)终沉池SedimentationtankA.设计参数及描述Descriptionofthedesignparameters\n最终沉淀池将曝气后的混合液进行固液分离后，澄清水经集水井后排入水体，其类型为钢筋混凝土辐流式沉淀池，池中央进水，周边出水，池壁设导流板，采用三角齿形堰出水，经环形集水渠收集后直接排入低排沟。每池设有放空阀门。Aproperdissolvedoxygenquantityintheditchiskeptthroughadjustingthespeedofthemotoroftheaerator,whichiscontrolledbyPLCaccordingtothemeasureddissolvedoxygenquantity.Meanwhile,impactofinfluentonthedissolvedoxygenisalsoconsidered.Thequantityofinfluentisusedasasignalforcompensationtosaveenergy.主要设计参数：Maindesignparameters:设计流量：旱季最大流量Q旱最大=4.40m3/sDesignflowquantity:MaximumindryseasonsQmax.=4.40m3/s表面负荷：q=1.00m3/m2·hSurfaceloading:q=1.00m3/m2·h池数：8座Numberoftanks:8tanks池径：50米Diameter:50m池边有效水深：4.5m\nEffectivewaterdepth:4.5m停留时间：3.35hRetentiontime:3.35hB.主要设备及参数Mainequipmentsandparameters全桥式管式梁刮泥机及配套刮浮渣排渣等设备。Fullbridgeofpipestylegirdersludgescraperanditsaccessories,andscumscrapersanddrainageetc.台数：8台规格：D=50m单机功率：N=2×3.0kw(7)污泥泵池SludgepumpstationA.设计参数及描述Descriptionofthedesignparameters污泥泵池为现浇钢筋混凝土矩形池，来自最终沉淀池的污泥分别通过污泥回流泵提升到往氧化沟的进水井，剩余污泥经剩余污泥泵提升后送到污泥缓冲池，共设八池与氧化沟一一对应。每池内设3台用于回流污泥的套筒式混流泵，1台用于排除剩余污泥的潜污泵。Reinforcedconcreterectangulartankisadoptedhere.Sludgefromsedimentationtankshallbepumpinto\ntheinfluentwellofoxidationditchbysludgereturnpumpandintosludgebuffertankbyexcesssludgepump.8tanksaresettomatchoxidationditches.3sleeveformedmixedflowpumpareinstalledineachofthetankand1isusedforexcesssludgedrainage.每座污泥泵池尺寸：Dimensionsforeachsludgepumpstation长x宽x高:5.2mx4.8mx4.6m主要设计参数：Maindesignparameters:回流比：40%～120%Sludgereturnrate:40%～120%回流污泥量：1.53～4.58m3/sSludgereturnquantity:1.53～4.58m3/s池数：8座Numberoftanks:8sets剩余污泥量：6240m3/dExcesssludgequantity:6240m3/d含水率：99.2%Watercontention:99.2%B.主要设备及参数Mainequipmentsandparameters\na.回流污泥泵Sludgereturnpump回流污泥泵采用不堵塞型套筒式潜水混流污水泵Non-clogsleeveformedsubmergedmixedflowpumpsareadopted.数量：24台流量：687m3/h扬程：H=3.5m单台功率：N=15kw连续运行Continuousoperationa.电动闸门Electricpenstock数量：8套规格：DN800单台功率：N=0.37kwb.剩余污泥泵Excesssludgepump剩余污泥泵采用不堵塞型潜污泵（带有配套的阀门及逆止阀）Non-clogsleeveformedsubmergedmixedflowpumpsareadopted.(Valvesandcheckvalvesareequipped)数量：10台（每池一台，2台冷备）\n流量：65m3/h扬程：15m单台功率：7.5kw工作时间12-18小时Workstime:12-18hours根据水位变化，由PLC控制潜水泵的开启，亦可现场手动控制。StartingandstopofthesubmergedpumpsarecontrolledbyPLCaccordingtochangingofwaterlevel,andcanalsomanualcontrolledinfield.(8)污泥缓冲池SludgebuffertankA.设计参数及描述Descriptionofthedesignparameters剩余污泥泵将剩余污泥提升至缓冲池中，再由污泥泵将池内污泥抽升送到浓缩机上，设置缓冲池以调整剩余污泥的排入与浓缩机工作的时间上的偏差，为运行管理带来方便。池内设有搅拌器防止污泥板结。Sludgeispumpedtosludgebuffertankbyexcesssludgepump,andthenpumpedtosludgethickeningmachine.Thesludgebuffertankissettoadjusttimedifferencebetweenthedrainageofexcesssludgeandthethickeningmachine,andbringconvenienceto\noperation.Mixersaresetinthesludgebuffertank.主要设计参数：Maindesignparameters:干污泥量：49800kgDS/dDrysolid:49800kgDS/d进泥含水率：99.2%Watercontentedininletsludge:99.2%进泥量：6240m3/dQuantityofinletsludge:6240m3/d总容积：2x1200m3Totalvolume:2x1200m3池数：2座有效水深：H=4m单池平面尺寸：BxH=17.3mx17.3mB.主要设备及参数Mainequipmentsandparametersa.水下搅拌器Mixer设备型式：三叶搅拌器Typeofequipment:mixer设备数量：2套（每池1台）单台功率：N=4kw\n(9)污泥浓缩机房SludgedewateringhouseA.设计参数及描述Descriptionofthedesignparameters减少污泥体积，以减少后续处理设施的规模，节省投资。土建驻设备按一期规模设计，用于消化池的进泥投配泵亦设于此。Itissettoreducethevolumeofsludge,soastoreducethescaleofthefollowingconstrutionsandreduceinvestment.CivilEngineeringandequipmentsaredesignedforthefirststage,(330,000t/s),andthesludgefeedingpumpsfordigestiontankarealsohere.污泥浓缩机房尺寸：Dimensionsofsludgedewateringhouse:长x宽x高：30mx15mx6.5m主要设计参数污泥干固量：49800kgDS/d浓缩前污泥含水率：99.2%设计污泥量：6250m3/dDesignsludgequantity:6250m3/d设计出泥量：830m3/dDesignsludgeeffluentquantity浓缩后污泥含水率：94%\nWatercontentedafterthickening:94%浓缩时间：18hr/dThickeningtime:18hr/d絮凝剂用量：1g/kgDSPolymeramount:1g/kgDS由PLC控制污泥的进泥加药及脱水，亦可手动操作。DosinganddewateringofthesludgeiscontrolledbyPLCandalsocanbecontrolledmanually.B.主要设备及参数Mainequipmentsandparametersa.浓缩机Sludgethickeningmachine设备类型：螺旋污泥浓缩机Typeofequipment:screwsludgethickeningmachine设备数量：4套（第4台根据实际运行情况安装）Quantity:4sets(The4thoneshallbeinstalledlateraccordingtooperationrequirement)单台设备能力：Q=100m3/hCapacityforeach:Q=100m3/h单机功率：N=4.4kwPowerforeach:N=4.4kwb.进泥螺杆泵\nSludgefeedingscrewpump设备类型：偏心螺杆进泥泵Typeofequipment:eccentricscrewfeedingpump设备数量：4套（第四台实际运行情况安装）Quantity:4sets(The4thoneshallbeinstalledlateraccordingtooperationrequirement)单台设备流量：Q=60～100m3/h扬程：H=7m单机功率：N=3kwa.污泥投配泵Sludgefeedingpump设备类型：偏心螺杆进泥泵Typeofequipment:eccentricscrewfeedingpump设备数量：3套（二用一备）单台设备流量：Q=20～30m3/h扬程：H=28m单机功率：N=7.5kwb.絮凝剂制备及投加系统Polymermakeupanddosingsystem设备型式：固体高分子絮凝剂制备及计量投加系统Typeofequipment:solidmacromoleculepolymermakeupandmeasurementdosingsystem\n设备数量：2套设计参数：聚丙烯酰胺用药量：2-4gPE/kgDSDesignparameter:dosingamountofmacromolecule:2-4gPE/kgDS设备包括：Equipmentsincluding:·1台干物质螺旋式计量装置，包括药粉仓和药粉储量监测装置。1setofdrysokidscrewformmeasurementunit,.includingdosagecabinetanddosagequantitymonitoringequipment.·1个用于母液的本药罐，容量1.05m3，不锈钢钢板制成，包括电动螺旋浆搅拌装置、进水附件，并具有液位控制功能。当熟化时间已到，并且储药罐有足够的空间，母液自动释放到下面容量1.5m3的储药罐。储药罐由不锈钢钢板制成，具有药位控制装置。设备包括完备的内部管道系统。1dosagepotforpregnantsolutionmakeupwithavolumeof1.05m3andmadewithstainlesssteel，waterfeedingaccessories.Itcanautomaticallycontrolwaterlevel.Electricscrewpropellermixerunitandotheraccessoriesareneededhere.Waterisdistributedbydistributor.Whenpolymerismadeupandthedosagepot\nhasenoughroom,thepregnantsolutionwillbesetfreetothe1.5m3dosagepot.Thedosagepotismadeupofstainlesssteelandbeofdosagelevelcontrolunit.Acompleteinnerpipesystemisincluded.·2台聚合物计量投加泵用于投加母液，通过特殊混合管，将聚合物溶液稀释到0.1%的活性物质，具有可调的驱动装置。2setsofdosingpumpsareappliedtoinvestpregnantsolution.Throughaspecialmixingpipe,thepolymersolutionwillbedilutedto0.1%,andadjustabledrivingequipmentisinstalled.a.高压冲洗水泵，用以反冲洗Highpressureflushingpumpsareadoptedforflushing设备型式：立式离心泵Typeofequipment:verticalcentrifugalpump数量：2台流量：25m3/h扬程：50m单台功率：N=7.5kw(10)消化池DigestionTankA.设计参数及描述Descriptionofthedesignparameters\n设消化池对剩余污泥进行无害化处理，利用厌氧产酸菌群及厌氧产气菌将剩余污泥中的有机物进一步分解，使其达到稳定。为钢筋混凝土锥形中温消化池：Digestiontanksaresetgotreatexcesssludgetoharmlesssludge.Itmakeuseofanerobicbacteriumgroupstobreakuptheorganicsintheexcesssludgeandmadeitstable.Reinforcedconcretetapershapedmiddletemperaturedigestiontankisadopted.设计规模：土建及设备安装按照一期工程规模设计Designscale:civilengineeringandequipmentsinstallationisdesignedaccordingtothefirststage(330,000t/d)oftheproject.主要设计参数池数：2座设计参数：进泥干固量：49800kgDS/dDrysolidoftheinletsludge:49800kgDS/d进泥含水率：94%Watercontentedinsludge:94%进泥量：Q=830m3/dSludgequantity:Q=830m3/d挥发份比例：50%\nVolatilizationrate:50%污泥投配率：5%Sludgeinvestmentrate:5%水力停留时间：20dHydraulicretentiontime:20d消化温度：33～35OCDigestiontemperature:33～35OC单池容积：V=8000m3Volumeforsingletank:V=8000m3池径：20m池总高度：33.65mTotalheightofthetank:33.65m有机物负荷：1.54kgDS/m3·dOrganicloading:1.54kgDS/m3·dB.主要设备及参数Mainequipmentsandparametersa.污泥搅拌器Sludgemixer数量：2台单台设备能力：Q=3000m3/h单机功率：N=22kwb.集气罩及压力安全装置\nGascollectingchannelandsafepressurecontrolsystem设备数量：2套(11)污泥控制室SludgeControlRoomA.设计参数及描述Descriptionofthedesignparameters进行新鲜污泥投配、维护消化池内的消化温度，保证设计的生化反应条件。为二层砖混结构并与沼气锅炉房联建。Freshsludgeisfeedtoanddigestiontemperatureismaintainedtoensurethedesignedbiologicalreactioncondition.Itisatwofloorbrickandconcretestructureandbuilttogetherwithboilerroom.内设循环污泥泵3台（二用一备），空气压缩机1台，沼气过滤器2台，沼气脱硫塔1座，泥—水热交换器2套。热水来自沼气发动机冷却水的余热利用和沼气锅炉房。锅炉房内设沼气热水锅炉一台，制备90/75摄氏度热水补充给冬季污泥加热所需热量。Thereare3sludgecirculationpumps(1standby),1compressor,2biogasfilters,1biogasdesulfurizationtowerand2setsofsludge-waterheattransformers.Hotwaterisfromthecoolingwaterofthebiogasenginesandalsoformthebiogasboilerroom.1setofbiogashotwaterboilerissetintheboiler\nroomand90/75OChotwaterismadetoheatsludgeinwinter.设计规模：土建按照二期工程设计，设备安装按照一期工程配备Designscale:civilengineeringisdesignedaccordingtothefuturesecondstage,whileequipmentsinstallationtothefirststage.污泥控制室平面尺寸：24mx15mDimensionofthelayout:24mx15m主要设计参数：数量：1座污泥投配量：Q=1095m3/dSludgefeedingquantity:Q=1095m3/d污泥投配时间：T=18hr/dSludgefeedingtime:T=18hr/d设计加热时间：T=18hr/dDesignheatingtime:T=18hr/d污泥加热量：Qmax=1000kwHeatquantityofthesludge:Qmax=1000kwB.主要设备及参数Mainequipmentsandparametersa.循环污泥泵Sludgecirculationpump\n设备类型：偏心螺杆污泥泵Typeofequipment:eccentricscrewfeedingpump设备数量：3套（二用一备）单台设备流量：Q=75～90m3/h扬程：H=8m单机功率：N=20kw控制方式：根据消化池温度由PLC进行自动控制Wayofcontrol:automaticcontrolbyPLCaccordingtothetemperatureofdigestiontank.a.污泥加热换热器Sludgeheatingheattransformer设备类型：套管式泥—水换热器Typeofequipment:sleeveformsludge-waterheattransformer设备数量：2台单台热交换器能力：Qmax=600kw设计加热时间：18hr/d污泥投配温度：Ts=30oCSludgefeedingtemperature:Ts=30oC消化温度：Td=33～35oCDigestiontemperature:Td=33～35oC进口热水温度：Tw1=90oC\nWatertemperatureinentrance:Tw1=90oC出口热水温度：Tw2=75oCEffluentwatertemperature:Tw2=75oC热水换热温差：ΔT=15oCTemperaturedifference:ΔT=15oC热交换器污泥管管径DN150mmDiameterofsludgepipeinheattransformer:DN150mm热交换器热水管管径DN250mmDiameterofwaterpipeinheattransformer:DN250mm控制方式：根据热交换器的进出口温度调节热水流量，由PLC自动控制。Wayofcontrol:automaticcontrolbyPLCaccordingtothetemperatureofinfluentandeffluent.a.热水循环泵Hotwatercirculationpump设备类型：立式离心泵Typeofequipment:verticaleccentricpump设备数量：3套（二用一备）单台设备流量：Q=40m3/h扬程：H=8m单机功率：N=2.2kwd.脱硫热水泵\nDesulfurizationhotwaterpump设备数量：2套单台设备流量：Q=2m3/h单机功率：N=1kwe.热水分配器热水调节器及膨胀罐Hotwaterdistributor,hotwateradjustorandexpansiontank设备数量：1套a.沼气粗过滤器及细过滤器Biogascoarsefilterandfinefilter设备数量：2套b.沼气锅炉及配套设备Biogasboilerandaccessories设备数量：1套（远期增加一套）规格：0.7MW（配有两台热水循环泵）Specifications:0.7MW(2setsofhotwatercirculationpump)(12)贮泥池SludgeTankA.设计参数及描述Descriptionofthedesignparameters泥量：37000kgDS/d\n平面尺寸：D=20mH=4.0mB.主要设备及参数Mainequipmentsandparametersa.水下搅拌器设备数量：1台功率：N=4kw(13)污泥浓缩机房SludgeDewateringHouseA.设计参数及描述Descriptionofthedesignparameters功能：将污泥的含水降到尽可能低的程度以减少污泥体积并可装卸作业，同时污水处理厂的MCC3与污泥脱水机房合建。Function:toreduceasmuchaspossiblethewatercontentedinsludge,soastoreducethevolumeofsludgeandmakeitcanbeloadandunload.MCC3isbuilttogetherwiththesludgedewateringhouse.类型：框架结构钢筋混凝土污泥脱水机房Type:reinforcedconcreteframestructure设计规模：土建按二期规模设计，设备安装按一期规模设计Scale:civilengineeringisdesignedaccordingtothesecondstageandequipmentsinstallationisdesignedaccordingtothefirststage(330,000t/d)\n数量：1座污泥脱水机房平面尺寸：48mx12mDimensionoflayoutofthedewateringhouse:36mx12m泥棚平面尺寸：24mx18mDimensionoflayoutofthesludgeshed:36mx12m设计参数：进泥干固量：37000kgDS/dDrysolidrateafterdewatering:20～25%进泥含水率：95.5%Watercontentedinfeedingsludge:95.5%进泥量：Q=830m3/dFeedingsludge:Q=830m3/d工作时间：16～24hr脱水后污泥含固率：20～25%Drysolidrateafterdewatering:20～25%浓缩脱水后泥饼体积：197-247m3/dVolumeofsludgecakeafterdewatering:197-247m3/d絮凝剂用量：3～4.5g/kgDSQuantityofpolymer:3～4.5g/kgDS设3台带式压滤脱水机、污泥投配泵、聚合物配置及投加系统，脱水后的污泥由2台无轴螺旋输送机运至室外外运。3completesetsofbeltfilterpresser,dosing\npump,polymermakeupanddosingsystem.Sludgedewateredshallberemovedoutdoorby2screwconveyors.B.主要设备及参数Mainequipmentsandparametersa.污泥脱水机Sludgedewaterer设备类型：带式压滤机及全部配套设备Type:beltfilterpresserandaccessories设备数量：3台（第3台根据实际运行情况安装）设计参数：单机处理能力：22m3/h设计工作时间：T=18～24hr带宽：2.5mBeltwidth:2.5m进泥含水率：95.5%Watercontentedinfeedingsludge:95.5%出泥含水率：75%Watercontentedafterdewatering:75%单机功率：N=30kw控制方式：根据污泥脱水量按比例控制絮凝剂投加量，亦可手动操作。Wayofcontrol:Dosingisautomaticallycontrolled\naccordingtothewateramount,butitcanalsobemanuallyoperated.a.污泥进料泵Sludgefeedingpump设备类型：偏心螺杆污泥泵设备数量：4台（第四台根据实际情况安装）Quantity:4sits(The4thoneshallbeinstalledlateraccordingtooperationrequirement)单台设备流量：Q=10～25m3/h扬程：H=30m单机功率：N=7.5kwc.冲洗水泵（用以清洗滤带）Flushingpump,toflushbelt设备型式：立式离心泵数量：3台流量：25m3/h扬程：H=45m单台功率：N=7.5kwd.空压机（用以调整滤带）Compressor:toadjustbelt设备型式：移动式空压机Type:mobilecompressor\n设备数量：3台（第三台根据实际情况安装）气量：0.1m3/minAirquantity:0.1m3/min压力：0.7Mpa单机功率：N=3.0kwf.絮凝剂制备及投加系统Polymermakeupanddosingsystem设备型式：固体聚丙烯酰胺高分子絮凝剂制备及计量投加系统Type:solidpolyacrylamidePolymermakeupanddosingsystem设备数量：2套设计参数：聚丙烯酰胺用药量3～4.5gPAM/kgDSDesignparameters:polyacrylamideamount3～4.5gPAM/kgDS设备包括：·1台干物质螺旋式计量装置，包括药粉仓和药粉储量监测装置。1setofscrewmeasuringunitincludingpolymercabinetandmonitoringunit.·1个用于母液的配药罐，容量2.0m3，不锈钢钢板制成，包括电动螺旋浆搅拌装置、进水附件，并具有液位控制功能。当熟化时间已到，并且储药罐有足够的空间，母液自动释放到下面容量3.0m3的储药罐。储药罐由不锈钢钢板制成，具有药位控制装置。设备包括完备的内部管道系统。\n1dosagepotforpregnantsolutionmakeupwithavolumeof2.0m3andmadewithstainlesssteel,waterfeedingaccessories.Itcanautomaticallycontrolwaterlevel.Electricscrewpropellermixerunitandotheraccessoriesareneededhere.Waterisdistributedbydistributor.Whenpolymerismadeupandthedosagepothasenoughroom,thepregnantsolutionwillbesetfreetothe3.0m3dosagepot.Thedosagepotismadeupofstainlesssteelandbeofdosagelevelcontrolunit.Acompleteinnerpipesystemisincluded.·2台聚合物计量投加泵用于投加母液，通过特殊混合管，将聚合物溶液稀释到0.1%的活性物质，具有可调的驱动装置。2setsofdosingpumpsareappliedtoinvestpregnantsolution.Throughaspecialmixingpipe,thepolymersolutionwillbedilutedto0.1%,andadjustabledrivingequipmentisinstalled.g.无轴螺旋输送机（水平安装）Non-axialscrewconveyor(horizontalinstallation)设备规格：D=400L=20m设备数量：1套单台功率：N=5.5kw\n脱水机房内设悬挂式起重机1台，起重量为3T，用于设备的安装和维修。A3tonssuspensioncraneissetinthesludgedewateringhouse,forinstallationandmaintenanceofequipments.(14)沼气利用UseofBiogasA.设计参数及描述Descriptionofthedesignparameters污水处理过程中所产生的污泥在消化池内进行厌氧消化产生大量沼气经过滤脱硫后存入沼气柜，沼气柜用于调节贮存沼气，出气用于进水泵房的沼气发动机、综合楼空调机组、沼气锅炉；多余气体燃烧器燃烧。以下为冬季和夏季的沼气利用及热平衡图。Biogasproducedfromthesludgedigestiontankentersintothebiogasholderafterdesulfurization,andthecabinetisusedforgasstorageandadjustment.Biogasisusedininletpumpstation,airconditionersingeneralofficebuildingandbiogasboiler.Excessbiogasisincineratedingastorch.Theusageofbiogasinwinterandsummeranditsheatbalancedrawingissetbelow:\n总沼气量Totalamount9138Nm3/d用于拖动进水泵forscrewpump剩余气体Excessgas618Nm3/d溴化锂直燃机组Li-BrEngine900Nm3/d沼气锅炉Biogasboiler1433Nm3/d沼气发动机Biogasengine6187Nm3/d500kw40%85%可提供热量Availableheat609*104kcal/d可利用余热Usableexcessheat1237*104kcal/d热损失热损失HeatlossHeatloss10%10%消化池污泥需热量Heatdemandedfordigestiontank1661*104kcal/d图7.2-1冬季沼气利用及热平衡图\nChart7.2-1HeatBalanceofBiogasinWinter总沼气量Totalamount9138Nm3/d用于拖动进水泵forscrewpump剩余气体Excessgas1551Nm3/d溴化锂直燃机组Li-BrEngines1400Nm3/d沼气锅炉Biogasboiler0Nm3/d沼气发动机Biogasengine6187Nm3/d500kw剩余可用热量Availableheat282*104kcal/d可利用余热Usableheat1237*104kcal/d热损失10%消化池污泥需热量Heatdemandedfordigestiontank831*104kcal/d图7.2-1夏季沼气利用及热平衡图Chart7.2-1HeatBalanceofBiogasinSummer\n主要设计参数总沼气量：9138m3/dTotalbiogasquantity:9138m3/dB.主要设备及参数Mainequipmentsandparametersa.储气柜Biogasholder设备类型：柔膜密封干式储气柜Type:softmembrancedrybiogasstorage设备数量：1套（远期增加2套）Quantity:1set(2moresetswillbeinstalledinthefurtherstage)总容量：3000m3Totalcapacity:3000m3平衡时间：7.9hrBalancetime:7.9hr工作压力：0.004Mpab.燃烧塔Biogastorch设备类型：钢结构燃烧塔Type:Steelstructurebiogastorch\n设备数量：1套规格：500m3/h7.3总平面设计Generallayout7.3.1平面布置Layout青山湖污水处理厂位于低排沟北侧，污水处理厂远期占地面积40.0277公顷，一期占地面积21.4290公顷。QingShanHuSewageTreatmentPlantliestonorthofDipaiTrough,andtotallyoccupiesanareaof40.0277ha,while21.4290hainthefirststage.在与路相邻的厂区东侧共设两个大门：西门和北门。均与规划路相通，交通便利。西门设于厂前区附近，作为污水厂的主要进出口，北门设于污泥区附近，以利于污泥及药剂等物品的运输。Therearetwodoorssetintheeastpartoftheplant,whichisadjacenttoroad:westdoorandnorthdoor.Thetwodoorsarebothjoinedtofore-plannedroad.Asmainentrance,thewestdoorisneartheareainthefrontofplant.Thenorthdoorliesneartothesludgeareaforconvenienttransportationofsludgeanddosageetc.\n给水：厂区自来水由城市给水管网供给，接自城市供水管网。需管径为DN200的自来水管道进厂，给水管道在厂内形成环状，以满足消防给水需要，并有水表计量。Watersupply:tapwaterissuppliedfromthemunicipalwaterpipenet.Thediameterofthegeneralpipeis200mmandformsacircuittomeetthedemandoffirecontrol.Measurementdeviceisequipped.排水：厂区排水按雨污分流制设计，厂区污水汇合后排入厂区进水水泵池，由泵提升至细格栅前与进城市污水一并处理，厂区雨水分三个系统排至厂低排沟。Drainage:Rainandsewagearedrainedinseparatesystem.Sewageinplantflowsintotheinletpumpstation,andwillbetreatedtogetherwiththemunicipalsewage.RainwilldraintotheDipaiTroughthroughthreeindependentsystems.7.4高程设计DesignofAltitude污水处理厂实际占地部分地形平坦，高程悬殊不大。Thereisarelativeplanlandforminthesewagetreatment.根据原初步设计资料，低排沟设计控制水位为16.0米，综合考虑污水处理厂的运行费用确定沉淀池水位17.30米。Thedesigncontrolwaterlevelis16.0maccordingtotheoriginalpreliminarydesigndata.Thefinallevelof\nthesedimentationtankisconfirmedat17.30minconsiderationofdailyoperationcost.依据厂区自然标高，考虑周围坝顶的高度及构筑物的竖向布置，填挖土方量平衡，确定厂区地面平均标高17.50米。Theaveragegroundaltitudeis17.5minconsiderationoftheheightofdamaround,hydraulicflowandearthworkbalance.污水处理厂进水由进水泵提升至21.58米，靠重力流至各处理工段后，总水头损失2.34米。为保证污泥处理系统运行可靠，防止污泥管道堵塞，采用污泥泵压力输送污泥，泵的位置尽可能靠近排泥点。Sewageispumpedto21.58mwithininletpumpstation,andflowsnaturallytothefollowingtreatmentconstructionswithatotalhydraulicloss2.34m.Sludgeistransferredinpressurizedpipetppreventfromclogging.Pumpsislocatednearaspossibletosludgedrainageplace.各构筑物的高程设计详见附图。Altitudeofeachconstructionpleaserefertotheattacheddrawing.7.5附属设施OtherFacilities（1）运输工具Transportationvehicles\n污泥车5.0-7.0吨5辆Sludgetruck5客货两用车1辆Doublefunctiontruck1吊车20吨1辆HoistTruck20tons1小型交通车3辆Minibus3合计10辆（1）通讯Communications在综合楼内设电话总机室，设置一台50门小型功能型电话程控交换机，主要办公室及各建筑物内设电话分机，共安装电话分机30部。Atelephoneexchangestationwhosecapacityis50branchexchangersissetinthegeneralofficebuilding.30branchexchangersareinstalledinmainoffices.（2）化验室Lab化验室设在化验楼内，设有污水分析室、污泥分析室、预处理室、微生物室、BOD室、仪器分析室、天平室、药品库等。Labissetinthelabbuilding,inwhichthereare\nsewageanalysisroom,sludgeanalysisroom,pre-treatmentroom,microorganicsroom,BODroom,instrumentanalysisroom,balanceroomanddosageroometc.（1）机修Machinemaintenance主要负责厂内水泵、鼓风机、电机、阀门、管道，水处理机械设备及其它零配件修理，特殊大型设备和零件配置的修理依赖社会服务。Itisresponsibleforthemaintenanceofpumps,blowers,motors,valves,pipes,sewagetreatmentmechanicalmachineandotheraccessories.Maintenanceofspeciallargeequipmentrelyonthesocialservice.（2）辅助性建筑Accessories根据国家颁布的《城镇污水处理厂附属建筑和附属设备设计标准》（CJJ31-89），青山湖污水处理厂工程的规模33万m3/d，远期规模100万m3/d，各附属建筑按远期规模设计，面积见建筑设计部分。PresentscaleofQingShanHuSewageTreatmentProjectis330,000m3/d,andinthefutureitwillreachto1,000,000m3/d,andareapleaserefertoarchitecturedesign.7.6建筑设计说明NotesForArchitecture\n本工程建筑分生产和辅助生产二部分。Architecturedesignismadeoftwoparts:Productionbuildingsandassistantproductionbuildings.生产性建筑图纸根据工艺专业提供的工艺资料进行设计，详见建筑设计图纸和建筑物一览表。Thearchitecturedesignofproductionbuildingsisbasedonprocessdesign.Refertothearchitecturedrawingsandthelistofbuildings.辅属建筑有综合楼车库、仓库、机修车间，辅属建筑的设计是根据建设单位的要求并结合实际生产需要确定的。Assistantproductionbuildingsinclude:generalofficehouse,garage,storageandmachinemaintenancehouse.Designoftheassistantproductionbuildingisbasedontheopinionsanddemandsofowneroftheplant,andtomeettherealrequirementoftheprocessproduction.综合楼建筑由实验室、食堂、中心控制室、空调机房，职工宿舍办公室等部分组成。其中实验室250m2，食堂260m2，单身宿舍4间，空调机房180m2，职工浴室95m2，会议85m2，中心控制室125m2，还有办公和公共活动部分。总面积2545m2。Thegeneralofficehouseshallinclude:lab,dinningroom,centercontrolroom,dormitory,etc.Thebuildingareaisasfollowing:\nLab:250m2Dinningroom:260m2Dormitory:4roomsRefrigerationmachinerybuilding:180m2Bathroom:95m2Meetingroom:85m2Centercontrolroom:125m2OfficeandActivityroometcTotalarea:2545m2其它辅属建筑详见设计图纸和建筑物一览表。Otherassistantarchitecturesseethedrawingsandlistofbuildings.室内外装修采用中级标准。外详饰面选用高级外墙防水涂料，局部挂贴花岗岩或铝板。Outdoorsfitmentsadoptsmediumstandard.Highqualitypaintingischosetopainttheoutsideofthewalls,exceptsomepartpastedwithgraniteoraluminiumplates.屋面防水采用II级标准，二道设防。IIstandardisadoptedinwaterproofoftheroof.外檐门窗采用彩色铝合金门窗。Doorsandwindowsoutsideadoptscolorfulaluminumalloy.\n建筑物一览表编号名称建筑面积建筑层数结构形式备注1粗格栅及进水泵房404钢筋砼框架2污泥浓缩机房478一层钢筋砼框架3污泥控制室810二层钢筋砼框架地下一层，地上一层和楼梯井4污泥脱水机房785一层钢筋砼框架泥棚650m251#变电站323一层钢筋砼框架带有半地下室62#变电站153一层钢筋砼框架7综合楼2545三层、局部一、三层钢筋砼框架8车库及仓库468一层钢筋砼框架棚159m29机修车间314一层钢筋砼框架10门卫30一层砖混结构ListofBuildings№NameAreaStructureformLayer1粗格栅及进水泵房404ReinforcedConcreteframeStructureSingle2污泥浓缩机房478Single3污泥控制室810Multi-layer4污泥脱水机房785Single51#变电站323Twolayers62#变电站153Single7综合楼2545Threelayers8车库及仓库468Single9机修车间314Single10门卫30砖混结构Single7.7结构设计说明\nStructureDesignReferenceofNanchangQingShanHuSewageTreatmentPlant7.7.1设计依据Referencestandards国家颁的现行结构设计规范及各专业提供的基本设计资料。Thelatesteditioncodesandthedatesprovidedbyotherspecialties.7.7.2地质情况Geologiccondition《地勘报告》已对地质情况做了较详细的叙述，在这里不再阐述。Subgradesurveyreporthasgivenadescription,wedon’tdetailhere.7.7.3主要建筑物的结构形式及地基处理方案StructureMethodAndSubgradeTreatmentOfTheMainBuildings(Houses)结构形式：详见建筑设计说明中建筑物一览表。Structuremethod:Seelistofbuildingsofdesignexplanation.地基处理方案：拟采用换填法，即将③-1层以上的土全部清除掉，用级配砂石回填，分层碾压，压实系数不小于0.96。Subgradetreatment:plantoselectthepermutationbadsoilprecept,indetail,cleanoutallthesoiluplayer③-1\nandexchangeitwithgritsandrocks.Thegritsandrocksmustbelayer-tampedandthetampedcoefficientλc≥0.967.7.4主要构筑物地基处理，抗浮措施，结构选型等ConstructionFormAndSubgradeTreatmentOfTheMainBuildings(Tanks)7.7.4.1氧化沟OxidationDitch平面尺寸约120m*32m，深5.5m，地上3.1m，地下2.4m，共4组（每组两池），拟采用挡水墙结构，刚性底板，整体抗浮。由于场地开阔且基底下为③-1层粉质粘土，基坑可按一定坡度进行放坡开挖，但必须采取有效的降水措施，将地下水位降至垫层下不小于0.5m。Theplanedimensionisabout120m*32m,thedepthisabout5.5m,theupgroundpartis3.1mandtheundergroundpartis2.4m.Theoxidationditcheshave4groupsandeachgrouphastwotanks.Weplantoselectthewardoffwaterwallstructureformforwallandselecttherigidbottom.Self-weightpreventsflotage.Thefieldisplaneandthesubgradeislayer③-1(powder-clay),sotheearthworkcanbedugaccordingtoacertainslope.Artificialprecipitationmustbedonewhilediggingandthelevelofgroundwatermustbedeclinedtotheplane500mmunderconcretecushion.7.7.4.2终沉池SedimentationTank平面尺寸为Φ\n50m的圆池，地上2.24m，地下2.76～7.26m，拟采用无粘结预应力结构，壁板砼标号为C40，用Φ400mm的沉管灌注桩抗浮，由于场地开阔且基底下为③-1层粉质粘土，基坑可按一定的坡度进行放坡开挖，但基底已接近④层土，该层为细砂，含水量丰富，渗水性强，且具承压性，施工时务必采取可靠的降水措施，谨防产生涌砂现象。Theplanediameterisabout50m,theupgroundpartis2.24mandtheundergroundpartis2.76m～7.26m.Weplantoselectconcretetankstructureprestressedwithunbondedtendons.TheconcreteclassisC40.WeplantoselectΦ400pilefoundationtopreventfromflotage.Thefieldisplaneandthesubgradeislayer③-1(powder-clay),sotheearthworkcanbedugaccordingtoacertainslope.However,thebottomoftanksisclosedtosoillayer④(silversand),thelayer④hasabundantgroundwater,theinfiltrationcoefficientkofsoilisbigandthegroundwaterreceivedpressure,soreliablemeasuresmustbeadoptwhiledigging.7.7.4.3消化池DigestionTank消化池有2组、平面直径约20m，地上部分28m，地下部分5m。计划采用无粘法预应力水池结构。拟采用Φ800桩基础。桩基础施工和土方开挖时必须注意地下水且采取可靠措施。Thedigestiontankshave2groups.Theplanediameterisabout20m,theupgroundpartis28mandtheundergroud\npartis5m.WeplantoselectΦ800pilefoundation.Muchattentionmustbepaidtogroundwaterandreliablemeasuresmustbeselectedduringconstructingpilefoundationanddigging.7.7.4.4粗格栅及进水泵房CoarseScreenAndRawSewagePumpingStation平面尺寸约25m*35m，此构筑物分为三部分：粗格栅，进水提升泵池，设备机房。粗格栅，进水提升泵池为地下式水池，深约8米，钢筋砼结构。在粗格栅与进水提升泵池间设伸缩缝一道。设备机房(9m*32m)为钢筋砼框架结构，筏板基础。构筑物自重可以满足抗浮要求，构筑物主要以③-1层粉质粘土为持力层。基坑采用放坡开挖，并应采取有效降水措施。Theplanedimensionisabout25m*35m,thebuildingismadeupofthreeparts:coarsescreenandrawsewagepumpingstationareundergroundtanks,thedepthisabout8.0m,anditisreinforcedconcretestructure.Astretchingslotissetbetweenthecoarsescreenandtherawsewagepumpingstation.Reinforcedconcretestructureandraftplatefoundationareadoptedintheequipmenthouse.Thebuilding’sdeadweightcancounteracttheflotage.Thesubgradeislayer③-1(powder-clay),thefoundationpitcanbescoopedaccordingtoacertaindegreeofslopeand\nmeasuresmustbetakentoreducethelevelofgroundwater.7.7.5防腐措施MethodOfAnti-Corrosion《地勘报告》提示地下水对砼具弱腐蚀性，依据《工业建筑防腐设计规范》将采取降低水灰比，加大受力钢筋保护层厚度，埋入土中的墙柱，池体表面涂刷防护材料等一系列措施。Subgradesurveyreportsaid:thegroundwaterisabitcaustictoconcrete.Accordingtothecode,Weplantoreducetheratioofwater/cementofconcrete,enlargetheprotectivethicknessofthemainbarsofconcretestructureandpaintingtoprenventfromcorrosion,etc.7.7.6抗震设计SeismicDesign建、构筑物均按设防烈度为六度进行设计。并采取相应的构造措施。Accordingtothecodeforseismicdesignofbuildings,allthebuildings’Seismicfortificationintensityis6degreeandcorrespondingmeasurearetaken.7.8电气设计ElectricalDesign7.8.1设计依据及设计范围CriteriaAndDesignRange\n本工程主要依据以下内容进行设计：Thecriteriaoftheelectricaldesignforthisprojectareasfollows:7.8.1.1与本工程有关的设计规范和设计标准RequirementChineseDesignCodes7.8.1.2业主要求（详见会议纪要）TheRequirementOfEmployer(MeetingMinute)7.8.1.3工艺提供的设计资料DataFromMechanicalEngineer本工程设计范围包括污水厂全部的动力及照明设计。10kV供电线路不在本设计范围之内。Theelectricaldesignincludesallpowerandilluminationforwholewastewaterplant.The10kVpowersourcelineisexcluded.7.8.2负荷等级及供电电源LoadClassAndPowerSource根据污水处理工艺的要求和大中城市污水处理厂的重要性，本工程用电负荷确定为二级负荷。Theloadclassoftheprojectisclass2accordingtotheprocessrequirementandimportanceoftheproject.拟采用两路10KV电源供电，两路电源分别引自江纺变电站和高新变电站。\nPowersourcearefromJiangfangtransformerstationandGaoxintransformerstationrespectively.7.8.3用电负荷Load本工程全部用电设备的电压等级均为AC220V/380V。总装机容量4302KW，使用容量4102KW。计算负荷3213KW。经无功功率补偿后视在功率3448KVA。TheratedvoltageofallloadsshallbeAC220V/380V.Thetotalequipmentcapacityis4302KW,theoperationcapacityis4102KW,andthecalculatedpoweris3213KW.Afterreactivecompensation,theapparentpoweris3448KVA.7.8.4变配电系统设计TheTransformerAndDistributionSystemDesign根据全厂总图布置和工艺处理区域的划分，拟建四座10KV/0.4KV变电站：Totallyfourtransformerstationsshouldbebuiltaccordingtothegenerallayoutandprocessfunctionpartitions.1#变电站设在进水泵站附近，作为全厂10KV配电中心，同时负责污水机械预处理区设备和一部分生化区设备的供电及控制。1#transformerstationshallbelocatednearthesawsewagepumpingstation.Itisnotonlythe10KVpower\ndistributioncenterbutalsoresponsibleforthepowerdistributionandmotorcontrolforwholemechanicalpre-treatmentsectionandpartofthebiologicaltreatmentsection.2#变电站设在氧化沟与沉淀池之间，负责生化处理区设备的供电及控制。2#transformerstationshallbelocatedbetweenoxidationditchandsedimentationtank.Itisresponsibleforthepowerdistributionandmotorcontrolfortherestpartofthebiologicaltreatmentsection.3#变电站毗邻污泥脱水机房，负责污泥处理区设备的供电及控制。3#transformerstationshallbelocatedbesidesludgedewateringroom.Itisresponsibleforthepowerdistributionandmotorcontrolforwholesludgetreatmentsection.4#变电站设在生活区，负责综合楼等生活设施的供电。4#transformerstationshallbelocatedwithincivilareaandisresponsibleforthepowerdistributionforcivilutilities,e.g.syntheticbuilding.10KV\n配电系统采用单母线分段式结线，设母线联络开关。两路电源同时工作，互为备用。10KV电源自1#变电站以放射式向2#～4#变电站供电。The10KVdistributionsystemadoptedintheprojectisadividedsingle-busbarsystem,thebusbarisdividedintotwopartsandlinkedbyaliaisonbreader.Thetwopowersourceshallbeinoperationsimultaneously,andstandbyforeachother.The10KVpowershallberadiatedto2#～4#transformerstationfrom1#transformerstation.1#～3#变电站各设两台变压器。1#、2#变电站AC220/380V低压侧采用单母线分段式结线，设母联开关。两台变压器同时工作，各承担一段母线的供电。3#变电站两台变压器一用一备，AC220/380V低压侧采用单母线分段式结线，设母联开关。4#变电站设一台变压器，AC220/380V低压侧采用单母线结线。详见附图。Therearetwotransformersineachtransformerstationexcept4#transformerstation.In1#and2#transformerstation,thelowvoltage(220/380V)distributionsystemadoptedisdividedsingle-busbarsystem,i.e.thebusbarisdividedintotwopartsandlinkedbyaliaisonbriaker.Undernormalcondition,bothoftransformersshallbeinoperationsimultaneouslytosupplypowertobothpartsofthebusbar,oneforeach.Thelowvoltage(220/380V)distributionsystemadoptedin3#transformerstationissingle-busbarsystem;onetransformerisinoperation,\nwhileanotherisspare.Thereisonetransformerin4#transformerstation,thereforethelowvoltage(220/380V)distributionsystemadoptedisasingle-busbarsystem.Fordetails,seetheattacheddrawing(D-01～D-05).低压系统采用以变电站为中心的放射式配电。详见附图。Thelowvoltage(220/380V)powershallberadiatedfromeachtransformerstation.Fordetails,seetheattacheddrawing(D-07～D-11).7.8.5电气传动系统设计MotorControlSystemDesign本工程工艺设备分为两种供电方式，即由MCC直接供电和由现场控制箱供电。每个单机设备的控制均采用现场手动和PLC自动两种控制方式。由MCC供电的设备均设机旁操作箱，箱上设“远程停—就地”选择开关，远程时由PLC控制，就地时可实施手动控制。由现场控制箱供电的设备在箱上设“手动—停—自动”选择开关，自动时由PLC控制，手动时可在箱上实施手动控制。手动控制仅在系统和设备调试时使用，正常运行时全部由PLC自动控制。Foreachmotor,thepowershallbesuppliedfrommotorcontrolcenter(MCC)locatedintransformerstationorlocalcontrolpanel/box.Eachmotorcanbecontrolledonlocalpanel/boxand/orbyPLC.\nTherewillbealocaloperationbox(“OB”)besidethemotortowhichpowerissuppliedfromMCC.OnthefrontfaceoftheOB,thereisaRemote-O-Localswitch.WhenRemote,themotorshallbecontrolledbyPLC;whenLocal,themotorshallbecontrolledmanuallyontheOB.TherewillbeaManual-O-Autoswitchonlocalcontrolbox(“CB”)forthemotortowhichpowerissuppliedfromMCC.Themotorshallbecontrolledmanuallyonlywhencommissionormaintenance.Undernormalcondition,allofthemotorsshallbecontrolledbyPLC.格栅设备组、进水泵、表曝机、污泥浓缩和脱水机等设备的现场控制箱随工艺设备供货。Somecontrolboxesshallbedeliveredwithplantssuchasscreenplants,rawsewagescrewpumps,sludgethickeningmachineandsludgedewateringmachine,etc.7.8.6主要设备选型TypeOfMainEquipment10KV中压开关柜选用中置式金属铠装开关柜，开关选用真空断路器，继电保护装置选用集电量综合测量和保护于一体的智能保护装置。10KVswitchgearismetalcladcenter-located\nwithdrawabletypeswitchgear.Vacuumbreakershallbeenclosedintheswitchgear.Intelligentcontroldevicesthatintegratemeasurementwithprotectionarealsoadoptedtoprotectthe10KVvoltagesystem.变压器采用树脂浇注型绝缘干式电力变压器。Transformeriscast-resintypetransformer.10KV系统直流控制和操作电源选用智能高频开关型直流电源屏，配进口铅酸免维护蓄电池。Theintelligenttypehigh-frequencyswitchDCpowersetequippedwithimportedleadacidmaintenance-freestoragebatteriesisadoptedtosupplypowertocontrolandoperatethe10KVsystem.低压开关柜选用抽出式（抽屉式）开关柜，开关、接触器、热继器、马达综合保护器等均选用知名品牌产品。Thelowswitchgeariswithdrawabletype.Allcircuitbreakers,contactors,thermalrelays,motorintelligentprotectiondevicesequippedinsidetheswitchgeararemanufacturedbyfamouscompanies.户外安装的配电箱、控制箱、操作箱、接线箱选用汉森公司生产的聚碳酸酯箱体，防护等级IP65。Thebodyofoutdoorboxessuchasdistributionbox,controlbox,operationboxandjunctionboxshallbemade\nofPC(polycarbonate),IP65,andmanufacturedbyHENSEL.7.8.7设备安装和电缆敷设InstallationAndCableLaying落地安装的开关柜、控制柜（箱）采用槽钢作基础，槽钢与柜间采用螺栓固定。Floormountedswithgearandcontrolboxshallbemounteddirectlyonchannelsteel,fixedbybolts.户外安装的配电箱、控制箱、操作箱等一般采用支架安装，亦可视现场实际情况采用其它形式的安装方式，安装支架作防腐处理。Generally,theoutdoorboxessuchasdistributionbox,controlbox,operationboxandjunctionboxshallbesupportedbybracket,ortheycanalsobemountedinotherwayaccordingtositecondition.Thebracketshallbeanticorrosivetreated.室内电缆采用电缆沟和穿钢管敷设，电缆选用YJV型和YJKV型交联聚氯乙烯绝缘聚乙烯护套电力和控制电缆。Insidecablesshallbelaidthroughcabletroughorpipes.ThecableshallbeYJVtype(powercablewithcross-linkedpolytheneinsulationandPVCjacket)orKYJVtype(controlcablewithcross-linkedpolytheneinsulationandPVCjacket).\n室外电缆采用电缆沟和穿管敷设，各构筑物局部采用穿管明敷或电缆桥架内敷设。电缆桥架选用防腐型钢质桥架或或玻璃钢桥架，电缆保护管、电缆沟内支架以及接地线等均采用镀锌材料。Outsidecablesshallbelaidthroughcabletroughorconcealedpipes,exceptthatsomeshallbelaidthroughcabletraysorexposedpipesatpartofstructures.Thecabletraysshallbemadeofanticorrosivetreatedsteelorfiberglass.Allofthepipes,bracketsandearthingwiresshallbegalvanized.7.8.8接地及等电位联接设计EarthingAndMainEquipotentialBonding各变电站均设工作和电气系统保护综合接地系统，接地电阻不大于1欧姆。Earthingsystemshallbeadoptedineachtransformerstationforworkingandprotectingtheelectricalsystem,theearthingresistanceshallbenotmorethan1Ω.在各构筑物和建筑物的进线处设电源的重复接地和等电位端子箱连成一体，形成总等电位，使人身接触电压降到安全值。Ateachbuildingandstructure,repeatearthingandequipotentialbondingshallbeadopted.Repeatearthingshallbelocatedinpowerinlet.Whileequipotentialbondingmeansthatallmetalpartssuchasequipmentshell,\nbracket,pipe,etc.shallbebondedtogetherattheequipotentialterminalbox,soastolowertheprospectivetouchvoltagetothesafevalue.7.8.9防雷及过电压保护LightningPtotectionAndOvervoltageProtection为防止因大气过电压和系统过电压而造成的电气设备损坏，在10KV母线处，10KV馈线，220/380V母线以及现场电源箱进线处安装过电压吸收装置。使过电压降低到设备绝缘电压以下。Overvoltagearrestorsshallbeinstalledat10KVbusbars,10KVfeeders,220/380Vbusbarsandlocaldistributionboxestoavoidtheelectricalequipmentdamage.根据规范要求和当地的气象条件及习惯做法，主要建筑物和构筑物设防雷保护。LightingprotectionshallbeadoptedatmainbuildingsandstructuresaccordingtoChinesedesigncodeandlocalmeteorologiccondition.7.8.10照明设计IlluminationDesign办公及生活区室内照明以荧光以荧光灯为主，生产区采用高压汞灯或钠汞混光源照明。\nFluorescentlampshallbeusedasthemainlightsourceinofficeandcivilarea,whilemercuricand/orsodiumlampshallbeusedinproductionarea.厂区道路照明选用6m灯杆路灯，光源为钠灯。厂区路灯分别由门卫和变电站分区域供电，采用路灯控制器自动控制。Forroadillumination,theroadlampwith6m-poleandsodiumlightsourceshallbeadopted.Thelightpowershallbesuppliedfromtransformerstationsandwarehousewhereroadlampcontrollerscancontroltheroadlampsautomatically.室外构筑物根据需要设局部照明。Foroutsidestructure,illuminationisdesignedaccordingtorequirement.变电站等重要场所设置事故照明，确保停电后人员安全疏散。Fortheimportantplace,e.g.transformerstations,emergencylightingshallbedesignedtoensuresafeescapeincaseofpowerfailure.7.8.11其它Others污泥处理区中，处于防爆区的电气设计将根据防爆等级的划分采取相应的防爆措施。Withinexplosiveatmosphereinsludgetreatmentsection,\nexplosive-proofmeasureshallbedesignedinaccordancewithrelatedChinesecode.根据业主要求，本工程10KV配电站和各变电站均考虑了土建予留。Accordingtotherequirementoftheemployer,sparespaceisconsideredin1#transformerstationandeachtransformerstation.厂区各建筑物内和生活区各主要房间和建筑内均设电话，全厂设一台约100门的程控交换机。Telephonesocketsshallbeembeddedinroomsineachbuilding.A100-setprogrammabletelephoneswitchboardshallbeinstalledfortheplantcommunication.7.9自动化仪表及控制系统的设计7.10自动化仪表及控制系统的设计AutomaticControlSystemAndInstrumentationDesign7.10.1设计依据及设计范围DesignPrincipeAndDesignRange1.自控仪表设计依据工艺推荐方案及工艺对自控系统的要求并考虑污水厂运行管理的具体运行情况，结合自控仪表行业的特点并依据相关的设计规范进行设计。Accordingtotheprocessschemeandrequirements,thesewagerunningconditionshouldbeconsideredduringmake\ntheautomaticcontrolsystemandinstrumentationdesign.Itcombinesthefeatureinautomaticcontrolsystemfieldandcorrelativedesigncriterion.1.设计范围按工艺要求完成自控系统的设计，范围如下：Accordingtothetechnicalprocessrequirements,automaticcontrolsystemdesignisfinished.（1）按工艺流程配置必要的液位、流量等检测仪表。Basedontheprocessflowdiagram,weconfigurethenecessaryinstrument.E.g.level,flow,pressureetc.（2）全部检测仪表及电气设备的运行信号的传送和显示。ByusingPLC,itcollectsprocessparametersofthewholesewagetreatmentplant,electricalparametersandinformationofoperatingstatusofequipment.（3）根据电气设备的运行要求及主要工艺参数的控制要求，设置自动控制和自动调节系统。Accordingtotheprocessrequirementandtheelectricalequipmentdemand,automaticcontrolandadjustmentsystemissetup.（4）建立二级计算机管理及通讯系统。Itcomposesoftwo-levelcontrolsystemandcommunicationsystem.\n（1）对大门等部分厂区安装闭路电视监视系统。Theclosed-circuittelevisionsystemisequippedinpartareaofplant.（2）对综合楼内的重要生产管理部门设置防盗报警系统。Theguardagainsttheftandalarmsystemisequippedintheimportantdepartmentofplant.7.10.2控制系统的组成及系统通讯AutomaticControlsystemStructureAndCommunication本设计采用集散型控制系统。该系统由中央控制室监控管理计算机和现场PLC子站组成，同时考虑到设备的分布情况，在部分PLC子站下设置分布式I/O。当中控室监控管理计算机出现故障，各现场子站都能独立、稳定工作，从根本上提高了系统可靠性。而采用PLC为主体构成的集散系统性能价格比较高。Theintegralcomputercontrolsystemisappliedtothedesign,itiscomposedofmonitoringandcontrollingcomputer,programmablecontrollerinlocalcontrolpanel.Andconsideringthatthedifferenceofequipmentdistributing,partprogrammablecontrollerappliesthedistributingI/Omodules.Whenmonitoringandcontrollingcomputeroccursfault,eachprogrammablelogiccontrollerallcanworkindependentlyandstably.Itimproves\nradicallythesystemreliability.Ifweadoptthecontrolsystemwhichmainbodyisprogrammablecontroller,thepriceofsystemmayprobablymoreexpensive.二套监控管理计算机位于综合治理楼内的中心控制室，两套计算机位于综合楼内的中心控制室，两套计算机可分担不同功能，故障时可互为备用，计算机配有彩色显示器，打印机，键盘等。Thetwomonitoringcomputerseatedinthecentralcontrolroomofofficebuilding,tworedundantcomputersareequippedindifferentfunction.Ifoneofthemisinfailure,otherofthemstillworksindependently.Eachcomputerisequippedincolormonitor,printer,keyboard,etc.监控管理计算机系统通过通讯网络采集污水厂各工艺过程的工艺参数，电气参数及主要设备的运行状态信息。对现场数据进行分析、处理、贮存，对各类工艺参数做出趋势曲线，通过简单的键盘操作，可进行系统功能组态，在线修改和设置控制参数，给下位机下达指信令，CRT可直观显示全厂动态流程图，并放大显示各工段工艺流程图，带有动态参数显示，趋势曲线显示，自动生成各类报表，可显示和打印记录；报警系统将现场设备的各种故障在中心控制室进行声、光报警，并能将故障分类打印。Bydatatransmissionandcommunicationinthewholeplant,themonitoringandcontrollercomputerreceives\nprocessparametersofthewholewastewatertreatmentplant,electricalparametersandinformationofoperatingstatusofthemainequipment.Thesedataandinformationwillbestored、analyzed、treated.Forvariesofprocessparameter,itpresentstheirtrendchart.Bysimplekeyboardaction,wecandosystemfunctionconfiguration,modifyandsetonlineparameters,makeinstructiontolowercontrolsystem.Themonitormaydisplayvisuallythedynamicflowdiagramofplant,andenlargepartialflowdiagramofplant;itdisplaysdynamicparametersandtrendgraph,andproducesautomaticallymanykindsofreports,thesereportandchartcanbeprinted.Aftertheprocessorelectricalequipmentstarted,ifthereisafailureonsite,thefailurereportwillbesenttothemonitoringcomputerandalarmwithsound,printandclassifyfaultrecords.中心控制室内设有电动投影屏和投影仪，将工艺流程图动态地投影于屏幕上，投影仪通过以太网通讯与控制系统连接。用以直观显示全厂工艺流程和设备运行状态及主要工艺参数的实时值。这种配置克服了传统的马赛克模拟屏一次性制作，无法修改流程图的弊病，可随时在计算机上对流程图进行修改。经济合理。Theelectricalprojectivedeviceandlargescreenisinstalledincentralcontrolroom,inordertoprojectthe\ntechnicalprocessandoperationstateofthesewagetreatmentplantonscreen.BytheEthernet,theprojectivedevicecommunicateswithautomaticcontrolsystem,anditdisplaysvisuallythedynamicflowdiagramofplant,operationstateofelectricalequipmentandrealtimevalueofmainprocessparameters.Suchaswecanmodifyflowdiagramincomputeratanymomenttoavoidtheshortagethattraditionalmosaicmimicisproducedonlyonetimebutnomodified.Thismethodismoreeconomicalandreasonable.PLC子站与中控室监控管理计算机之间采用10/100Mbit/s自适用工业以太网，通过光纤环网进行通讯，该通讯系统具有非环网双网冗余的功能，提高了系统的可靠性，又降低了硬件成本。PLC子站与分布式I/O之间采用profibus现场总线连接，这样可减少大量的电缆。TheoneselfadjustableEthernetwhosespeedis10/100Mbit/sisadoptedinthecommunicationbetweenmonitoringandcontrollingcomputerandprogrammablelogiccontrollersubstation.Thecommunicationsystemusesthedoublenetthatisredundantandnon-circleopticfibernet.Itbothimprovessystemreliabilityandreducesthehardwarecost.ThefieldbuswithProfibusprotocolisusedinthecommunicationbetweenprogrammablelogiccontroller\nsubstationanddistributionI/Omodule,itmayavoidlargenumbersofcables.7.10.3PLC现场子站的划分PLCSubstationLocation根据工艺特点、构筑物的布置和现场控制的分布情况，设置四个PLC现场子站，PLC现场子站选用可编程序控制器（PLC），PLC为模块化结构，硬件配置较灵活，软件编程方便。并且PLC子站与相应的MCC置于同一地点，同时对于设备较集中又远离子站的现场设置远程I/O由通讯电缆连接。Accordingtothelayoutofthesewagetreatmentplantanddistributionofcontrolequipment,wesetupfourPLCsubstation.Theautomaticcontrolofthesewageplantisachievedbyprogrammablelogiccontroller(PLC).PLCstructureismodulestructure,whosehardwareconfigurationisagilityandwhosesoftwareprogramisconvenient.EachPLCarealllocatedinthesameplacewithcorrespondingMCC.ForthoseelectricalequipmentthatarefarfromPLCsubstationandcentralized,wesetupdistributingI/Omodules.Byfieldbuscommunication,thesignalissenttoPLCsubstation.各子站划分如下：EachPLCsubstationarelocatedasfollowsA.机械预处理子站PLC1Mechanicalpre-treatment\nsubstationPLC1PLC1islocatedinthesub-controlroomof1#transformerroom,coarsescreenandinletpumpingstation,finescreen,aeratedgritchamber,parshallflume,mechanicalpre-treatmentsection,ItconcludesonedistributingI/Omodule.B.生化处理子站PLC2BiochemicaltreatmentsubstationPLC2PLC2置于2#变电站，负责2#变电站、氧化沟、污泥回流泵池、沉淀池、出水等部分全部设备的自动控制和数据采集。PLC2islocatedinthesub-controlroomof2#transformerroom,toberesponsibleforthesignalsampleandcontrolin2#transformerroom,oxygenditchandsludgepumpingstation,sedimentationtank,effluent,biochemicaltreatmentsection.C.污泥脱水机房子站PLC3SludgedewateringtreatmentsubstationPLC3PLC3置于3#变电站，负责3#变电站、脱水机房、储泥池全部设备的自动控制和数据采集。PLC3islocatedinthesub-controlroomof3#transformerroom,toberesponsibleforthesignalsampleandcontrolin2#transformerroom,sludgedewateringplant,sludgetankandsludgedewateringtreatmentsection.\nD.污泥浓缩机房子站PLC4SludgethickeninganddigestertreatmentsubstationPLC4PLC4置于浓缩机房控制室，负责MCC3-1、MCC3-2、污泥缓冲池、浓缩机房、污泥控制室、消化池、沼气柜及沼气利用系统全部设备的自动控制和数据采集。该部分包括一个分布式I/O。PLC4islocatedinthesub-controlroomofmechanicalthickeningplant,toberesponsibleforthesignalsampleandcontrolinMCC3-1,MCC3-2,sludgesuffertank,mechanicalthickeningplant,sludgecontrolroom,digestertank,digestergasutilizationandsludgethickeninganddigestertreatmentsection.ItconcludesonedistributingI/Omodule.具体分配详见带控制点的工艺流程图和自控系统图。Thespecificationdetailsareviewedincontrolflowdiagramandautomaticcontrolsystemdrawing.7.10.4仪表系统InstrumentationSystem根据工艺要求设置相关的仪表，并满足检测和控制系统的要求，传感器与变送器之间信号连续，变送器输出4-20mA的标准信号并且隔离。Themeasuringinstrumentshouldmeettherequirementofprocess,measuringandcontrolsystem.Thesignalbetween\nsensorandtransmitteriscontinues,andthetransmittersendsout4～20mAstandardisolatedsignals.所有变送器应有工程计量单位的刻度和LED数字显示，可与传感器一体式分体安装。AllthetransmittersshouldhavegraduationofengineeringmeasurementunitsandLEDdigitaldisplay.Thetransmittercanbeinstalledtogetherwithsensororinstalledseparately.传感器和变送器符合IP54至IP68防护等级的要求，户外变送器安装在不锈钢的现场保护箱内，保护箱要带有显示窗口，保护箱的保护等级为IP65。ThesensorandtransmittershouldmeetstherequirementsofprotectiongradesfromIP54toIP68.Thetransmittersshouldbeinstalledinthestainlesssteelprotectiveboxwithdisplaywindow.TheprojectivegradeoftheprojectiveboxisIP65.防爆区内的仪表满足防爆要求，设计选用本安型防爆仪表，并设防爆隔离栅。Allinstrumentsinexplosionareamustsatisfyexplosionproofrequest.Theintrinsicallysafeexplosionproofinstrumentisadoptedindesign,andwesetsomeexplosionproofisolationbar.\n流量检测仪表：在渠道中流量计采用超声波明渠或方渠流量计；管道中流量计要采用电磁流量计。Flowmeter:Ultrasonicflowmeterissuitableforthemeasurementofflowinopenchannel.Electromagneticflowmeterissuitableforthemeasurementofflowinthepipe.液位检测仪表：在需要给出连续测量信号的环节，采用超声波液位计，一般环节的水位测量需给出位式信号，采用浮球位开关。Levelmeter:Theultrasonicliquidlevelmeterissuitableforthecontinuelevelmeasurement.Thefloatingballlevelswitchissuitablefordefinitelevelmeasurement.沼气柜的测量采用雷达物位计。Thelevel-radarmeterissuitableforbiogasstorage.温度检测仪表：采用传感器和变送器一体化的温度测量仪。热敏元件为铂热电阻（Pt100）。Temperaturemeter:Inthetemperaturemeasurementweadoptsthemeterthatistogetherwithsensorandtransmitter.Itsheatsensorusetheplatinumresistant-typeprobe(Pt100).溶解氧测定仪，选用无隔膜固体电极传感器，并带自动清洗装置。Dissolvedoxygenmeter:Thesensoriscomposedofsolidelectrodewithoutdiaphragm.Ithasauto-cleanunitforthe\nelectrode.酸度测定仪，采用玻璃电极式酸度计。PHmeter:Themeterusesglasselectrode,withtemperaturesensorandautotemperaturecompensation.悬浮物测定仪，选用光电式传感器。Solidsuspendingsubstancemeter:Thesolidsuspendingsubstancemeterismadeaccordingtotheinfraredopticsprinciple.COD测定仪采用紫外光发测定离子含量。CODmeter:TheCODmeterismadeaccordinginprinciplethatitdetermineioncontentwithultravioletlightemission.7.10.5闭路电视监控及防盗报警系统Closed-CircuitTelevisionAndGuardAgainstTheftAndAlarmSystem大门、进水泵站、粗细格栅、曝气沉砂池、氧化沟、沉淀池设摄像头，中控室内可监视到以上部分的情况。Wesetupsomecamcordersensorinthefollowingplantplace:Gate,inletpumpingstation,coarsescreen,finescreen,aeratedgritchamber,oxidationditch,sedimentationtank,etc.Thecircumstancesintheseplaceisinspectedincentralcontrolroom.\n在综合楼内的重要部门设红外防盗报警器，并在中控报警。Theinfraredguardagainst-theftandalarmsystemissetinimportantdepartmentofofficebuilding,andalarmincentralcontrolroom.7.10.6防雷与接地LightingProtectionAndGrounding整个污水厂采用等电位连接，仪表自控系统的接地采用联合接地方式，厂区联合接地网的接地电阻<1欧姆。仪表PLC柜的电源进线、户外现场仪表的电源、信号线接口及通讯讯道加装防雷保护及浪涌吸收装置。Theequipotentialconnectionisadoptedinsewageplantgrounding.Theunitegroundingmodeisusedingroundingofinstrumentationandautomaticcontrolsystem,thegroundingresistanceisnotlessthan1ohm.Thelightingprotectiondevice(surgearrestor)isinstalledonpowersupplyincomingterminalinPLCpanel,localinstrumentandsignalcommunicationinterface.\n8设计依据HV&ACNotes8.1室外气象参数1.冬季空调室外计算温度--3OC冬季通风室外计算温度5OC夏季空调室外计算温度35.6OC夏季通风室外计算温度33OCOutsidedesignconditionsOutsidewinterdesigntemperature(air-conditioning)Outsidewinterdesigntemperature(ventilating)Outsidesummerdesigntemperature(air-conditioning)Outsidesummerdesigntemperature(ventilating1.综合楼设集中空调，冬季室内温度18OC--22OC，夏季室内24OC--28OC。冷热源采用溴化锂直燃机组，燃料为沼气。GeneralofficebuildinguseCentralAir-Conditioningsystem(s).Indoorwinterairtemperatureis18～22andindoorsummerairtemperatureis24～28.Lithiumbromideunitwhichusemethaneasfuelsupplyenergyforsystem(s).2.水泵房、污泥浓缩机房、污泥控制室、脱水机房等产生有害气体的厂房均设机械通风，进行全面换气。Pumpstation、Sludgethickeninghouse、Sludgecontrolroom&Gas/Oilboilerhouse、Sludgedewateringhouseetc.Where\nproducenocuousgassesshallbeinstalledwithmechanicalventilationsystems.9人员编制StaffArrangement青山湖污水处理厂内设置相应的职能科室和生产工段负责全厂的行政和生产管理。全厂人员共计80人，其人员构成见下图：Correspondingdepartmentsandworkshopsectionsaresetinplanttoresponsibleforadministrationandproduction\nmanagement.Therearetotally80staffintheplant,staffstructureisasbelow:Total:80Engineer4Technician1Master6Worker69EmployeeMasterTechnicianEngineerHeadoftheplant厂长1人EmployeeControlling1HeadofControlling1Secretary1HeadofOperation/Maintenance1Canteen2HeadofMaintenance1Shift-Master4HeadofLab1MasterMechanism1MasterElec-/Control1Shift-Worker44EmployeeLab2Guard7E-/ControlWorker6GeneralMaint-enance3Mechanic3图8-1全厂人员分布图Chart8-1StaffStructureofthePlantNumberofemployeeandQuanlificationPlaceofperformancecontrol1Master;1ViceMaster;1OperatorCentralControlRoomCoarsescreen,pumpingstationfinescreen,gritchamber1OperatorActivatedsludgetank,Secondaryclarifikationtank2OperatorsBoilerhouse,Gas-facilitiesSludge-warmupfacilities2OperatorsSludgethickening,digestionsludgedewatering4Operators\n图8-2生产人员分布图Chart8-2StaffStructureoftheProduction