UASB+SBR工艺处理屠宰废水毕业设计

目录摘要......................................................................................................31前言................................................42工程概况.............................................62.1设计任务及依据.............................................................................62.2设计要求.........................................................................................62.3设计原则.........................................................................................73水质特性及水量...............................................................................83.1废水危害及来源.............................................................................83.2废物组成.........................................................................................84屠宰废水处理工艺流程..................................................................94.1工艺比较分析及方案确定.............................................................94.2处理工艺流程选择.......................................................................134.3工艺设计说明...............................................................................144.4构筑物设计进出水水质与去除率..............................................145主要构筑物计算.............................................................................155.1格栅设计计算...............................................................................165.2隔油沉淀池..................................................................................195.3调节池..........................................................................................245.4污水提升泵选择..........................................................................255.5UASB反应器设计.......................................................................255.6SBR反应器的设计......................................................................335.7消毒池..........................................................................................435.8污泥浓缩池...................................................................................445.9污泥脱水机房..............................................................................486高程布置及平面布置.....................................................................506.1平面布置......................................................................................506.2高程布置......................................................................................517人员配置.........................................................................................548投资估算.........................................................................................558.1土建工程估算..............................................................................558.2主要设备及材料..........................................................................568.3总投资合计..................................................................................579经济效益分析.................................................................................579.1运行费用分析..............................................................................579.2直接经济效益...............................................................................589.3间接经济效益...............................................................................589.4环境效益.......................................................................................5810总结...............................................................................................59谢辞...................................................................................................60参考文献.............................................................................................61摘要本次设计主要是对眉山碧海实业有限公司的屠宰废水处理进行设。在查找相关资料的基础上，依据废水的水质水量选择合适的工艺流程。废水先经过格栅、隔油沉淀池、调节池等物理处理构筑物，然后再通过UASB反应池，SBR反应池。最终出水达到《肉类加工工业污染物排放标准》（GB13457-92）一级标准。选择适宜的工艺流程之后对构筑物进行了设计计算、设备选型，处理站的平面布置和高程布置，并完成了成本估算，经估算吨处理成本为0.5元。关键词：屠宰废水；UASB反应池；SBR反应池ABSTRACTThisdesignprojectisaimatstudythedisposaloftheslaughterwastewatertreatmentfromMeishanblueseaindustrialco,LTD.Referringtothecorrelationdatafoundationandaccordingtothequalityandvolumeofthewastewater,wechoicetheappropriatetechnicalprocess.Firstlythewastewaterflowuptosomephysicaltreatmentstructuressuchasgrille,oilseparationandsedimentationtank,adjustingpool.Andthen,thewastewateristreatedbytheUASBreactor.FinallythewastewaterreachDischargestandardofpollutantsformeatprocessingindustry（GB13457-92）primarystandard.Afterchoosingtheappropriatetechnicalprocess,thefollowingjobisthedesignofstructures,thechoiceofequipment,thelayoutandelevationlayoutofthesewagetreatmentstationwhichwithcompletethecostestimates,theestimatedtreatmentcostis0.5yuanperton.Keywords:Slaughterwastewater;UASBreactor;SBRreactor1.前言屠宰业是我国出口创汇和保障供给的支柱产业，屠宰废水来自畜牧、禽类、鱼类宰杀加工，是我国最大的有机污染源之一。我国大部分城市已基本上实现了禽畜的顶点集中屠宰，据调查，屠宰废水的排放量约占全国工业废水排放量的6%，随着经济的发展和人民生活水平的提高，肉类食品加工工业将会有更大的发展，屠宰废水的污染还有不断加剧的趋势，而环保部门要求具有一定规模的屠宰场都必须建立专门的废水处理站。屠宰废水主要来自猪禽类屠宰和加工环节，水量大、颜色深、有机物浓度高。废水中含有大量血液、油脂、碎肉、粪便和毛发，并带有难闻的臭味，含有高浓度的有机质而不易降解，处理难度大，环境污染严重。一般屠宰废水的水质具有如下特点：屠宰废水一般呈红褐色，有难闻的腥臭味，其中含有大量的血污、油脂质、毛、肉屑、骨屑、内脏杂物、未消化的食物、粪便等污物，固体悬浮物含量高；屠宰废水有机含量高，可生化性好，其中高浓度有机质不易降解，处理难度较大，屠宰废水中的营养物主要是