学生：郑君健指导老师：林华摘要：城镇污水处理厂是现代城市发展和水资源保护不可缺少的组成部分。本课题是设计一座日处理量为1万m3的城市生活污水处理厂，通过对生活污水的无害化处理以达到环境保护的目的。此次生活污水水质指标：BOD5=250mg/L，CODcr=500mg/L，SS=420mg/L，NH3-N=25.7mg/L，TP=3.1mg/L，pH=7-8。通过文献查阅和工艺比较最后确定采用厌氧池+氧化沟工艺作为本次生活污水处理工艺。处理构筑物主要包括了格栅，平流沉砂池，厌氧池，氧化沟，二次沉淀池，接触消毒池，污泥浓缩池等等。其核心处理工艺是氧化沟工艺流程，污水在氧化沟中经曝气设备的搅动与活性污泥充分接触后大部分的污染物被除去，最后出水达到国家的有关排放标准（GB18918-2002）即：CODcr≤50mg/L，SS≤10mg/L，BOD5≤10mg/L，NH3-N≤5mg/L，TP≤0.5mg/L。处理后的出水排进厂区附近的天然河道。本文设计介绍了该工艺的特点，并有相关的城镇污水处理厂的工艺设计过程。关键词：污水处理厂工艺设计氧化沟工艺污水处理ThewastewatertreatmentplantdesignforthetownofhuixianinlinguiStudent:JunJian-ZhengTeacher:Hua-LinAbstract:Thecitysewagetreatmentplantisessentialconstituentofthemodernurbandevelopmentandthewaterresourcesconservation.Thistopicdesignsacitylifesewagetreatmentplantwhichcantreat10000m3sewageaday.Throughthetreatmentanddisposalofsewagetheresearchcanachievethepurposeofenvironmentalprotection.Thesewagewaterqualityindicators:BOD5=250mg/L,CODcr=500mg/L,SS=420mg/L,NH3/L,TP=3.1mg/L,pH=7-8.Throughliteraturereviewandfinalizetheadoptionprocess,anaerobicpond+oxidationditchprocessischosenasthissewagetreatmentprocess.Dealstructuresincludingthegrille,advectiongritchamber,anaerobictank,oxidationditch,secondarysedimentationtank,thecontactdisinfectiontank,sludgethickenerandsoon.朗读显示对应的拉丁字符的拼音字典Itscoreprocessingcraftselectstheoxidationditchtechnicalprocess.Sewageinoxidationditchafteraeratormixingandactivesludgefullcontact,mostofpollutantsofwhichareremoved.Atlast,thewaterleakageachievedthecountryrelateddischargesstandardswhichareCODcr≤50mg/L,SS≤10mg/L,BOD5≤10mg/L,NH3-N≤5mg/L,Treatedeffluentisdischargedintothenaturalrivernearthefactory.Thisarticleintroducesthecharacteristicofthiscraftandsuppliesthecorrelatedprocessofthecitysewagetreatmentplant.Keywords:SewagetreatmentplantTechnologicaldesignOxidationditchcraftSewageprocessingTOC\o"1-3"\h\z\uHYPERLINK\l"_Toc300062628"临桂县会仙镇污水处理厂工程设计PAGEREF_Toc300062628\h1HYPERLINK\l"_Toc300062629"第1章前言PAGEREF_Toc300062629\h7HYPERLINK\l"_Toc300062630"第2章工程设计背景PAG