第1页共44页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共44页摘要本设计题目为“宣化某毛纺厂废水处理工程工艺设计”，该工程所处理的污水主要是由染色废水和洗线、洗毯、刺绣车间废水组成。经建设方确认，本设计规模按日最大处理水量：2500m3/d（包括处理站自用水排水量）。污水主要污染物CODcr、SS、BOD5、S2-、色度等，其污水水质如下：染色废水：CODcr=1495mg/L，BOD5=340mg/L，SS=540mg/L，S2-=1.35-2.16mg/L，PH=3.7-8.62，色度=300倍；洗线、洗毯、刺绣车间废水：CODcr=480mg/L，BOD5=300mg/L，SS=200mg/L，S2-=1.2mg/L，PH=3.7-8.62，色度=50倍。冬季平均温度-14.9℃，夏季平均温度为29.2℃，年平均降水量427.1mm，冬季主导风向为西北，夏季主导风向为东南。处理站处理水质为：BOD5≦20mg/l，CODcr≦100mg/l，SS≦70mg/l，PH=6-9，色度≤50倍，出水水质符合国家的二级排放标准。本设计采用水解酸化加生物接触氧化处理废水。处理构筑物主要有调节池、水解酸化池、生物接触氧化池、竖流式沉淀池、浓缩池、泵房、脱水机房和鼓风机房等。其主要构筑物生物接触氧化池采用传统的一段式接触氧化，总共采用两座，每座分为八格，处理效果明显。预处理的调节池和水解酸化池有效的降低了污水的各项指标，为生物接触氧化池的进水，提供了最佳进水指标，同时还有效的降低了污水的色度，再加上后面的竖流式沉淀池的絮凝沉淀作用，色度指标大大降低，基本上可以满足出水的要求。关键词：印染废水废水处理生物接触氧化ABSTRACTThedesignentitled"Xuanhuaawoolenmillwastewatertreatmentprocessdesign,"Theworksaremainlytreatedsewageeffluentfromdyeingandwashinglines,washingblankets,embroideryworkshopwastewatercomponents.Confirmedbytheconstructionside,thedesignofhandlingthelargest-scalewaterdaily:2500cubicmetersperday第2页共44页第1页共44页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共44页(includingwaterdischargefromthestation).SewagemajorpollutantsCODcr,SS,BOD5,S2-,color,theeffluentqualityareasfollows:dyeingwastewater:CODcr=1495mg/L,BOD5=340mg/L,SS=540mg/L.S2-=1.35-2.16mg/L,pH=3.7-8.62,color300times;washingline,washingblankets,embroideryworkshopwastewater：CODcr=480mg/L,BOD5=300mg/L.SS=200mg/L,S2-=1.2mg/L,PH=3.7-8.62.color50times.Theaveragewintertemperature-14.9,averagesummertemperatureof29.2,withtheaverage℃℃rainfall427.1mm.Winterwindsledtothenorthwest,thesummerwindsledtothesoutheast.WaterDisposalStation:BOD520mg/l,COD≦cr100mg/l,SS70mg/l,≦≦PH=6-9,color50,theeffluentqualityinthestate'stwoemissionstandards.≦ThedesignacidhydrolysisBiologicaloxidationwastewatertreatment.Dealingwiththemainstructuresregulationpool,poolacidhydrolysis,biologicaloxidationpond,theverticalflowsedimentationtank,concentratedpool,pumpingstations,Dehydrationroomandtheotherblower.Themainstructuresofbiologicaloxidationpondusedforthetraditionalcontact-oxidation,usingatotaloftwo,eachdividedintoeightblocks.significanttreatmenteffect.PretreatmentRegulationpoolsandpoolacidhydrolysiseffectivelyreducethesewageindicatorsofbiologicaloxidationpondinundated.Intakeprovidesthebestindicator,butalsoeffectivelyreducesewagecolor,plusbehindtheverticalflowsedimentationtankofflocculationandsedimentation,colorindicatorsgreatlyreduced.Basicallymeetwaterrequirements.Keywords:dyeingwastewaterwastewatertreatmentbiologicaloxidation目录第1章概述········································································································61.1设计依据及设计任务···················...
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