中国(海口)污泥处理先进技术介绍

October20-21,2011PöyryEnvironmentGmbH1CaseStudiesofTechnologicallyAdvancedSludgeTreatmentinChina(Haikou)中国（海口）污泥处理先进技术介绍Dr.-Ing.PANBoshou 潘伯寿博士Project

Director 项目总管PöyryEnvironmentGmbH 贝利环境咨询公司MannheimGermany

德国曼海姆

Sino-GermanTrainingonSewageSludgeTreatmentandManagement

中德合作培训

污泥处理及管理October20-21,2011PöyryEnvironmentGmbH2TableofContents目录海口市白沙门污水处理厂概述OverviewonBaishamenWasteWaterTreatmentPlant,HaikouCity污水处理主要构筑物Importantstructuresofthewastewatertreatment污泥处理主要构筑物Importantstructuresofthesludgetreatment5年(2004-2008)运行参数分析进水量和进水COD负荷QuantityofwaterinflowandCODload进出水浓度Concentrationofwaterin-andoutflow污泥脱水投药量Polymerconsumption(Sludgedewatering)泥饼量Sludgecake沼气产量和发电量ElectricityGeneration经验和教训Lessonslearned总结SummaryOctober20-21,2011PöyryEnvironmentGmbH3海口市白沙门污水处理厂概述OverviewonBaishamenWasteWaterTreatmentPlant,HaikouCity海口市利用德国政府软贷款兴建的第一座城市污水处理厂HaikouCityusesasoftloanfromtheGermangovernmenttobuildthe1sturbanwastewatertreatmentplant设计服务人口为75万人Designedtoserveapopulationof750.000服务面积为96平方公里Catchmentarea96squarekilometres设计日处理能力为30万吨Designedtotreat300.000t/day最大峰值流量为4.52m³/sPeakflowvolume:4.52m³/s1999年底处理厂污水处理竣工并投入运行2005年4月-8月消化池投入运行

Twodifferentoperationwaysinthesludgetreatment!污泥处理的两种不同运行方式！October20-21,2011PöyryEnvironmentGmbH4海口白沙门污水处理厂概貌PictureofBaishamenWasteWaterTreatmentPlantOctober20-21,2011PöyryEnvironmentGmbH5白沙门污水处理厂工艺流程略图

MapofTechnologicalProcessofSewageProcessing污水处理工艺为高负荷生物处理加深海排放；污泥利用厌氧消化进行稳定处理及离心脱水；沼气发电供厂内使用，其废热加热消化池污泥

October20-21,2011PöyryEnvironmentGmbH6污水处理主要构筑物MainStructuresforWasteWaterTreatment1粗格栅coarsebarscreen3道，每道渠宽2.0m栅距30mm，栅前水深1.4m2细格栅Finerack3道，每道渠宽2.6m栅距8mm，栅前水深1.4m3进水潜水泵Waterpump(inletline)4用1备流量1150l/s.台，扬程13.5mOctober20-21,2011PöyryEnvironmentGmbH74曝气沉砂池Aeratedgritchamber2组，每组2格，每格尺寸：长×宽×深=20×3×3.6m，容积860m3停留时间3.2分钟污水处理主要构筑物MainStructuresforWasteWaterTreatmentOctober20-21,2011PöyryEnvironmentGmbH85高负荷曝气池highrateaerationbasin2组，矩形池，有效水深5m，总容积8890m³MLSS：2g/L6离心鼓风机Centrifugalblower２用１备单台能力15000m³／h污水处理主要构筑物MainStructuresforWasteWaterTreatmentOctober20-21,2011PöyryEnvironmentGmbH97沉淀池Settlementtank2组，每组4个圆形池，直径40m表面负荷1.62m/h8潜水回流泵Submersiblerefluxpump4用1备流量600l/s.台，扬程3.5m，回流比0.5污水处理主要构筑物MainStructuresforWasteWaterTreatmentOctober20-21,2011PöyryEnvironmentGmbH109高潮位出水泵Hightidewaterlevelpump4用1备流量1150l/s，扬程8.5m10深海放流管Deepseapipeline总管直径2000mm，长度1332m，埋深25.3m(海拔标高)扩散管21根，每根直径400mm，4个扩散口污水处理主要构筑物MainStructuresforWasteWaterTreatmentOctober20-21,2011PöyryEnvironmentGmbH11污泥处理主要构筑物MainStructuresforSewageSludgeTreatment1预浓缩池Concentrationpond2个圆形池，直径24m污泥负荷50kgSS/m².d，停留时间12hOctober20-21,2011PöyryEnvironmentGmbH122消化池Digester4个圆形池，总容积24,000m3，沼气搅拌消化温度35℃，停留时间25d，有机物降解率50%，产气量8520Nm³/d3后浓缩池Concentrationpond(aftertreatment)1个圆形池，直径24m污泥负荷75kgSS/m2.d，停留时间24h污泥处理主要构筑物MainStructuresforSewageSludgeTreatmentOctober20-21,2011PöyryEnvironmentGmbH134离心脱水机Centrifugalhydroextractor2用1备每台15.1m³/h，755kgDS/h污泥处理主要构筑物MainStructuresforSewageSludgeTreatmentOctober20-21,2011PöyryEnvironmentGmbH145脱硫塔Thionizer1台，直径1.9m处理能力450m³/h6贮气柜Gasstoragecabinet1个5000m³，低压污泥处理主要构筑物MainStructuresforSewageSludgeTreatmentOctober20-21,2011PöyryEnvironmentGmbH157沼气发动机Methaneengine2台每台116-388kW（负荷30-100%）发电机Generator2台每台351kW污泥处理主要构筑物MainStructuresforSewageSludgeTreatmentOctober20-21,2011PöyryEnvironmentGmbH16进水量和进水COD负荷的月均值October20-21,2011PöyryEnvironmentGmbH17进出水浓度的月均值October20-21,2011PöyryEnvironmentGmbH18污泥脱水投药量的月均值October20-21,2011PöyryEnvironmentGmbH19泥饼量月均值October20-21,2011PöyryEnvironmentGmbH20每月的沼气产量和发电量平均每m³消化池产气量为：0.16m³/d（通常为：0.5—1.0m³/d）October20-21,2011PöyryEnvironmentGmbH21平均每方污水的沼气产量和发电量一般城市污水产气量为：0.05

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0.08m³气/m³污水October20-21,2011PöyryEnvironmentGmbH22沼气组份October20-21,2011PöyryEnvironmentGmbH23平均每方沼气发电量October20-21,2011PöyryEnvironmentGmbH24LessonsLearned经验和教训ImportanceofPersonnelTraining人员培训的重要性AfterSaleServicesofContractorandManufacturers承包商和制造商的售后服务SummarizationofOperationalExperience运行经验总结FormationofStruvite(blockageofpipelines)鸟粪石的形成（管道堵塞）Desulphurization脱硫ExperienceinSludgeDisposal污泥处置经验Agriculture农用October20-21,2011PöyryEnvironmentGmbH25Summary总结Technology技术方面-Anaerobicsludgedigestioncanalsobeutilizedforwastewaterwithrelativelylowinletconcentration

厌氧处理消化池适用于浓度较低的废水

HumanResource人力资源–importanceofstafftraining

人员培训的主要性Operationresults运行结果-Anaerobicsludgestabilization

厌氧污泥稳定Reducedthesludgeamounttobefurthertreatedanddisposed(approx.25%ofthesludgecake)减少污泥进一步处理和处置的量