文档介绍：本科毕业设计说明书题目:西岗镇污水管网规划与污水处理厂设计院(部)市政与环境工程学院专业:给水排水工程班级:水工094班姓名:学号:指导教师:完成日期:2013年6月15日摘要进行了西岗镇镇区污水管网规划与污水处理厂设计。污水管网根据就近排放的原则进行布置,主干管沿长征路(河边)铺设。干管分为六条,南北向,与等高线相交铺设。分别设置在华天路,清泉路,和平路,琼海路,新华路,知春路右侧。,管径300~1000mm,~,,。进水水质为BOD5:326mg/L;SS:328mg/L;TN:38mg/L;TP:5mg/L,采用MSBR污水处理工艺,结合了A2/O工艺和SBR工艺的优点,对BOD、COD、SS及氮和磷的却除效果好;抗冲击负荷能力强;氧利用率高;自动化程度高;采用一体化的结构设计,占地面积小。整个污水处理的工艺流程为粗格栅→污水泵房→细格栅→沉砂池→初沉池→MSBR池→混合池→纤维束滤池→接触消毒池→计量堰→出水。,设计出水水质达到《城镇污水处理厂污染物排放标准》(GB18918-2002)一级A标准,。关键词:污水管网;污水处理;脱氮除磷;MSBR工艺全套图纸加扣 ,andthemaincanalliesalongtheChangzhengRoad(Riverbank).SeparatelylaiddownonHuatian,Qingquan,Heping,Qionghai,XinhuaandZhichunRoad’srightsides,thewholepipesystemisdividedintosixbranchesfromnorthtosouth,,300~1000mmpipediameter,~,,theinletwaterqualityisBOD5:326mg/L;SS:328mg/L;TN:38mg/L;TP:5mg/,COD,SS,NitrogenandPhosphoruswithrelativelymoredesiredanti-,thepipesysteminthisessayadoptstheintegrationofstructuredesigns;pleteprocessflowsincludecoarsebarscreen-sewagepumphouse-finebarscreen-gritchamber-primarysettlingtank-MSBRtank-mixingtank-fiberclustertank-disinfectingtank-meteringweir-,216,’smore,theoutputwaterqualitymeetstherequirementof<DischargeStandardoftheemissionformunicipalwastewatertreatmentplant>(GB18918-2002):work;treatment;MSBRprocess;Denitrificationandphosphorusremoval目录摘要 ⅠABSTRACT Ⅱ第一章前言 1第二章设计任务及要求 :