焦化公司生化废水处理站工艺方案

焦化有限公司生化废水处理站工艺方案方案设计(V3.3)目录1.项目概述...................................................................................................................................11.1项目业主简介...................................................................................................................11.2项目背景...........................................................................................................................11.3项目的来由.......................................................................................................................12.设计水量、水质及设计要求...................................................................................................22.1废水的来源.......................................................................................................................22.2设计水量...........................................................................................................................32.3原水水质...........................................................................................................................32.4处理要求...........................................................................................................................33.设计依据、设计原则及内容...................................................................................................43.1设计依据...........................................................................................................................43.2设计原则...........................................................................................................................53.3设计内容...........................................................................................................................63.4工程内容...........................................................................................................................74.焦化废水处理方案比选...........................................................................................................74.1焦化废水的特点................................................................................................................24.1.3酚含量高...................................................................................................................7氨氮含量高...............................................................................................................8难降解有机物含量高...............................................................................................84.2关键工艺的选择................................................................................................................24.2.3物化法.......................................................................................................................8生化法.......................................................................................................................8结论...........................................................................................................................94.3主要工艺原理...................................................................................................................9.1.1A/O工艺原理.........................................................................................................9厌氧段（A段）............................................................................................10A段）....................................................................112O段）........................................................................121O）.............................................................................................142工艺特点.........................................................................................................14I方案设计(V3.3).3沸石吸附法.............................................................................................................14EMO）............................................................................................154.4推荐的工艺流程及说明.................................................................................................164.4.1工艺流程图.............................................................................................................164.4.2预处理工艺说明.....................................................................................................污水提升池.....................................................................................................事故池.............................................................................................................隔油池.............................................................................................................气浮池.............................................................................................................调节池.............................................................................................................194.4.3生化处理工艺说明.................................................................................................厌氧池.............................................................................................................缺氧池.............................................................................................................好氧池.............................................................................................................二沉池.............................................................................................................生物接触氧化池.............................................................................................234.4.4深度处理工艺说明.................................................................................................混凝沉淀池.....................................................................................................砂滤池.............................................................................................................24高效氨吸附池.................................................................................................244.4.5污泥处理工艺说明.................................................................................................污泥浓缩池.....................................................................................................2污泥脱水.........................................................................................................264.5工艺流程特点.................................................................................................................264.6处理效果预测.................................................................................................................275.主要构筑物设计及设备选型.................................................................................................285.1预处理部分.....................................................................................................................285.1.1污水提升池.............................................................................................................2人工粗格栅.....................................................................................................2池体.................................................................................................................2提升泵.............................................................................................................2事故泵.............................................................................................................295.1.2事故池.....................................................................................................................2池体.................................................................................................................2潜污泵.............................................................................................................30潜水搅拌机.....................................................................................................30蒸气管.............................................................................................................305.1.3隔油池.....................................................................................................................30方案设计(V3.3)池体.................................................................................................................30双边驱动行车式刮油机.................................................................................315.1.4气浮池.....................................................................................................................3设备.................................................................................................................315.1.5调节池.....................................................................................................................3池体.................................................................................................................3潜水搅拌机.....................................................................................................3蒸气管.............................................................................................................3一级提升泵.....................................................................................................325.2生化处理部分.................................................................................................................335.2.1厌氧池.....................................................................................................................3池体.................................................................................................................3三相分离器.....................................................................................................3布水装置.........................................................................................................335.2.2缺氧池.....................................................................................................................3池体.................................................................................................................3布水装置与溢流装置.....................................................................................34填料.................................................................................................................34磷酸盐加药装置.............................................................................................345.2.3好氧池.....................................................................................................................3池体.................................................................................................................3纯碱投加设备.................................................................................................3鼓风机.............................................................................................................3曝气器.............................................................................................................355.2.4硝化液沉淀池.........................................................................................................3池体.................................................................................................................3硝化液回流井.................................................................................................3硝化液回流泵.................................................................................................375.2.5二沉池.....................................................................................错误！未定义书签。池体.................................................................................................................375.2.6污泥回流井.............................................................................错误！未定义书签。池体.................................................................................错误！未定义书签。污泥回流泵.....................................................................错误！未定义书签。5.2.7生物接触氧化池.....................................................................错误！未定义书签。池体.................................................................................错误！未定义书签。曝气器.............................................................................错误！未定义书签。5.2.8絮凝反应池.............................................................................................................3池体.................................................................................................................3搅拌机.............................................................................................................38III方案设计(V3.3)5.2.9混凝沉淀池.............................................................................................................3池体.................................................................................................................3斜管填料.........................................................................错误！未定义书签。加药设备.........................................................................错误！未定义书签。5.2.10压力滤池.................................................................................................................4设计参数.........................................................................................................4罐体.................................................................................................................41高效氨吸附池.........................................................................错误！未定义书签。池体.................................................................................错误！未定义书签。氨氮脱附周期.................................................................错误！未定义书签。次氯酸钠投加装置.........................................................错误！未定义书签。5.2.12复用水池.............................................................................................................4构筑物............................................................................................................4复用水泵........................................................................................................4反冲洗水泵....................................................................................................425.3污泥处理部分.................................................................................................................425.3.1污泥浓缩池.............................................................................................................4池体.................................................................................................................4..2污泥脱水.................................................................................................................43污泥脱水机.....................................................................................................43污泥泵.............................................................................................................435.3.3综合车间.................................................................................................................435.4主要构筑物及设备一览表.............................................................................................446.污水处理站总图布置.............................................................................................................476.1总体布置原则.................................................................................................................476.2总图.................................................................................................................................477.公用工程.................................................................................................................................487.1给排水及消防.................................................................................................................487.1.1给水.........................................................................................................................487.1.2排水.........................................................................................................................487.1.3消防.........................................................................................................................487.2强电.................................................................................................................................497.3自控.................................................................................................................................497.3.1供电电源.................................................................................................................497.3.2设备启动和控制方式.............................................................................................497.3.3电线缆敷设及设计.................................................................................................497.3.4接地保护.................................................................................................................507.3.5自控与仪表.............................................................................................................50方案设计(V3.3)集水井.............................................................................................................50气浮池.............................................................................................................50好氧池、生物接触氧化池.............................................................................50二沉池.............................................................................................................51反应池.............................................................................................................518.工程技术经济分析.................................................................................................................518.1工程预算.........................................................................................................................518.1.1土建费（A）...........................................................................................................518.1.2设备材料费(B).......................................................................................................538.1.3概算总表.................................................................................................................558.2运行成本分析.................................................................................................................568.2.1电费（A）...............................................................................................................568.2.2人员费（B）...........................................................................................................568.2.3药剂费（C）...........................................................................................................5工业磷酸氢二钠.............................................................................................56纯碱.................................................................................................................5絮凝剂.............................................................................................................5总药剂费用(C)...............................................................................................5其它费用（D）...............................................................................................578.2.4水处理直接成本（E）...........................................................................................578.3项目经济性评价.............................................................................................................579.安装调试运行.........................................................................................................................589.1设备安装.........................................................................................................................589.2蜂窝管、曝气器及填料的安装.....................................................................................599.3管道安装及敷设.............................................................................................................5.1.1管材的选用.............................................................................................................59压力流管道.....................................................................................................59重力流管道.....................................................................................................59加药管.............................................................................................................60管道接口.................................................................................................................60管道基础.................................................................................................................60管道防腐.................................................................................................................60管道试压要求.........................................................................................................60明露管道涂漆颜色规定.........................................................................................60管道施工及验收应遵循以下规范.........................................................................61其它.........................................................................................................................6...系统调试.........................................................................................................................619.5运行管理.........................................................................................................................62V方案设计(V3.3)10.工程实施进度.....................................................................................................................63工程施工方案（组织）设计.............................................................................................63各分部分项工程主要施工方法.....................................................................................63土建分部工程施工方法.........................................................................................63土建施工前期准备工作.................................................................................63分部分项工程施工.........................................................................................64主要设备安装技术措施.........................................................................................65设备安装前期工作.........................................................................................65主要设备的安装要求.....................................................................................67放线就位和找正调平.....................................................................................68试运转.............................................................................................................70各类污水处理机械安装.................................................................................75确保工程质量的技术组织措施.............................................................................77确保安全生产的技术组织措施.............................................................................78确保工期的技术组织措施.....................................................................................80其它说明内容：.....................................................................................................81施工技术组织措施.........................................................................................81与气候有关的施工措施.................................................................................83现场施工组织.................................................................................................................83现场施工组织结构图.............................................................................................83各部门职责.............................................................................................................84项目经理职责.................................................................................................84项目副经理职责.............................................................................................85工程技术班组.................................................................................................85质量管理组职责.............................................................................................85材料设备管理班组职责.................................................................................86安全管理班组职责.........................................................................................86计划管理班组职责.........................................................................................87文明施工组职责.............................................................................................87财务会计组职责.............................................................................................88后勤供应组职责.............................................................................................88设备安装制作队职责.....................................................................................88自控仪表安装队职责.....................................................................................88变配电工程安装队职责.................................................................................88机电设备队职责.............................................................................................8912.技术服务与质量保证体系.................................................................................................8912.1）.............................................................................................89设计.....................................................................................................................8912.1.1方案设计(V3.3).312.1.412.1.5原材料的采购.....................................................................................................90施工.....................................................................................................................90开车调试.............................................................................................................90培训.....................................................................................................................91工程质量承诺.............................................................................................................91售后服务.....................................................................................................................9212.212.3附录I总平面布置图附录附录附录工艺流程图高程布置图外购件制造厂家(备选)一览表方案设计(V3.3)1.项目概述1.1项目业主简介大户。1.2项目背景为适应国家生产环保达标的要求，同时也为使企业走上技术化、集约型、高效益、可持续发展之路，公司通过扩建，现达到年产优质焦炭40万吨，回收加工焦油1.6万吨、粗苯4000吨。形成了以公司及多家企业建立了长期合作关系。1.3项目的来由视。本公司受甲方委托，对全厂内、外环境进行详细周密的考察后，案。·1·方案设计(V3.3)2.设计水量、水质及设计要求2.1废水的来源的终冷洗苯水；苯、焦油、古马隆等化工产品加工的分离水。煤中碳、氢、氧、氮、硫等元素，在干馏过程中转变成各种氧、-­、SCN及硫化物等等。焦化废水水量大，污染物复以某焦化厂为例，废水的来源与配比如表1所示。表1废水的来源序号来源水量（m/h）31剩余氨水8.5～9.53.5～5.2粗苯分离水3精苯分离水4气柜废水1.0～1.51.5～2.5·2·方案设计(V3.3)5焦炉水封水1.5～2.513.5～15.29.5～36.6终冷水7小计2.2设计水量/h，另外一部分为生产废水约为30m/h多，合计约为40m/h。据/d，Q=40m/h。10m333此确定污水站的处理规模为Q=960m33dh2.3原水水质甲方提供待处理混合废水的水质数据如表2所示。根据同类废水生化性有一定改善。表2混合废水水质指标水质指标CODCr(mg/L)BOD5(mg/L)1000挥发酚(mg/L)500～650SSpH2000～25007～8油水质指标氰化物(mg/L)氨氮(mg/L)150(mg/L)300(mg/L)2.4处理要求·3·方案设计(V3.3)（GB8978—1996）一级标准，其主要指标如表3所示。表3出水水质指标水质指标水质指标CODCr(mg/L)<150SSBOD5(mg/L)<60挥发酚(mg/L)<0.5pH6～9油氨氮氰化物(mg/L)<0.5(mg/L)<50(mg/L)<25(mg/L)<103.设计依据、设计原则及内容3.1设计依据(1)业主提供的相关技术资料、委托资料及设计要求等(2)《污水综合排放标准》（GB8978－1996）(3)《室外排水设计规范》（GBJ14-87）(4)(5)《污水再生利用工程设计规范》（GB/T50335-2002）(6)《泵站设计规范》（GB/T50265-97）(7)《采暖与空气调节设计规范》（GBJ19-87）(8)《工业企业噪声控制设计规范》（GBJ87-85）(9)《工业企业设计卫生标准》·4·方案设计(V3.3)（TJ36-79）(10)