(duraflow)20吨电厂脱硫废水技术方案

20T/H电厂脱硫方案电厂脱硫废水零排放处理技术方案美国DURAFLOWLLC公司20T/H电厂脱硫方案1目录1项目概况....................................................................................................................22项目目标及技术指标...............................................................................................32.1脱硫废水水质（供参考）.............................................................................32.2脱硫废水深度处理出水回用水质要求.........................................................42.3设计依据........................................................................................................42.3.1业主提供的原始资料及设计要求.....................................................42.3.2标准和规范.........................................................................................42.4设计规模........................................................................................................62.5设计原则........................................................................................................62.6设计指标........................................................................................................73设计工艺流程及说明................................................................................................83.1工艺流程图.....................................................................................................83.2处理工艺说明.................................................................................................93.2.1废水收集池..........................................................................................93.2.2三联箱..................................................................................................93.2.3二级软化处理......................................................................................93.2.4浓缩槽..................................................................................................93.2.5DF膜系统............................................................................................103.2.6纳滤膜系统........................................................................................133.2.7DTRO系统...........................................................................................133.2.8MVR系统............................................................................................164.运行成本分析..........................................................................................................194.1电费...............................................................................................................194.2药剂成本......................................................................................................205.3人工成本......................................................................................................204.4蒸汽成本.......................................................................................................204.5膜的更换成本...............................................................................................215.投资预算................................................................................................................2220T/H电厂脱硫方案21项目概况本项目适用于电厂脱硫废水深度处理系统；它提出了该系统的设计、投资、建设、调试、试运行、检测验收，并最终达标验收本期工程脱硫废水深度处理水量为20m3/h；脱硫废水深度处理出水回用水免费送至辅冷水池及工业水池。20T/H电厂脱硫方案32项目目标及技术指标2.1脱硫废水水质（供参考）序号项目单位含量备注1pH8～92色度(稀释倍数)163悬浮物(SS)mg/L≤704化学需氧量(COD)mg/L350～4505氨氮mg/L15～306硫化物mg/LND0.0057氟化物mg/L92～1708氯根离子(Cl-)mg/L～68009硫酸根离子(SO42-)mg/L～3000010全硅(SiO2)mg/L10～2011钠离子(Na+)mg/L1260～138012钙离子(Ca2+)mg/L500～80013镁离子(Mg2+)mg/L3580～700014总铁(Fe)mg/L2～515总铜(Cu)mg/L0.11～0.2016总汞(Hg)mg/L0.001～0.00517总镉(Cd)mg/L0.2318总铬(Cr)mg/L0.028～0.14719总砷(As)mg/L0.0006～0.000820总铅(Pb)mg/L～1.621总镍(Ni)mg/L≤1.022总锌(Zn)mg/L～0.1623TDSmg/L20000～3000024含固量%≤125重碳酸盐mg/L0～2.920T/H电厂脱硫方案42.2脱硫废水深度处理出水回用水质要求序号项目单位招标方要求处理后水质投标方提供处理后水质1pH6.8～7.86.8～7.82电导率(25℃)μS/cm3000≤30003氨氮mg/L≤2≤24氟化物mg/L≤0.01≤0.0110TDSmg/L≤30≤300011化学需氧量（COD)mg/L＜50＜5012生物需氧量（BOD）mg/L＜10＜1013总磷mg/L＜1＜114浊度NTU＜5＜52.3设计依据2.3.1业主提供的原始资料及设计要求2.3.2标准和规范脱硫废水深度处理装置的设计、制造、安装、调试、试验及检查、试运行、考核、最终交付等应符合相关的中国法律、法规、规范、以及最新版的ISO标准。应符合中国国家标准、部颁标准及行业规程规定；执行的规范和标准：进口设备制造和材料符合以下标准和规定的最新版本要求AFBMAAnti-FrictionBearingManufacturers’AssociationAGMAAmericanGearManufacturers’AssociationAISCAmericanInstituteofSteelConstructionAISIAmericanIronandSteelInstituteASMEAmericanSocietyofMechanicalEngineersASTMAmericanSocietyforTestingandMaterialsAWSAmericanWeldingSociety20T/H电厂脱硫方案5AWWAAmericanWaterWorksAssociationHISHydraulicInstituteStandardsIEEEInstituteofElectricalandElectronicsEngineersISAInstrumentSocietyofAmericaMSSManufacturingStandardsSocietyNEMANationalElectricalManufactures’AssociationOSHAOccupationalSafetyandHealthAdministrationUBCUniformBuildingCodeULUnderwritersLaboratory国产设备制造和材料符合以下标准和规定的最新版本要求1.《钢制压力容器》GB1502.《固定式压力容器安全技术监察规程》TSGR00043.《换热器及冷凝器用钛及钛合金管》GB／T36254.《钛及钛合金牌号及化学成分》GB/T3620.15.《钛制焊接容器》JBT47456.《管壳式换热器》GB1517.《水处理设备技术条件》JB29328.《橡胶衬里化工设备》HGJ329.《化工设备、管道外防腐设计规定》HGJ3410.《压力容器油漆、包装技术条件》ZBJ9800311.《火力发电厂汽水管道设计技术规定》DL/T505412.《钢塑复合管和管件》DL/T93513.《衬胶钢管和管件》HG2150114.《流体输送用不锈钢无缝钢管》GB/T1497615.《管制管法兰类型与参数》GB911216.《平面、突面板式平焊钢制管法兰》GB911917.《火电厂钢制平台扶梯设计技术规定》DLGJ15818.《火力发电厂焊接技