2019电力建设施工技术规范 第6部分：水处理及制氢设备及系统

PAGE83电力建设施工技术规范第6部分：水处理及制(供)氢设备和系统目次前言···································································Ⅱ1总则···································································12术语·······································································23基本规定························································43.1一般规定····························································43.2建筑工程·····························································43.3设备及材料的检验与保管···············································53.4设备系统的严密性试验·······················································53.5绿色施工·······························································64水的预处理设备························································74.1沉淀池································································74.2曝气生物滤池·························································74.3澄清器································································84.4无阀滤池································································94.5机械过滤器································································104.6超滤、微滤装置····························································105蒸发式淡化处理设备····················································115.1取水泵及取水、浓盐水管道····················································115.2低温多效装置····················································195.3闪蒸装置·····················································215.4机械蒸发装置·····················································236除盐设备······································································256.1反渗透装置······························································256.2正渗透装置······························································266.3离子交换设备················································266.4除二氧化碳器·····················································276.5电除盐装置······························································276.6再生装置······························································287凝结水处理设备································································297.1一般规定··························································297.2前置过滤器································································297.3离子交换器及再生装置···········································298废水处理设备······························································308.1常规装置·····························································308.2中和池······················································308.3废水池·····················································318.4油水分离装置·····················································319循环冷却水处理设备······························································329.1杀菌剂加药及制备装置··············································329.2加药设备····················································339.3旁流处理设备·····················································3310汽水取样和加药系统············································3410.1加药设备···············································3410.2汽水取样系统······················································3511箱、槽、罐······································································3612转动机械······························································3812.1石灰系统··············································3812.2排泥系统························································3812.3水处理专用泵······························································3812.4空气压缩机及附属设备······················································4012.5搅拌器····································································4013特殊管道和阀门··································································4113.1一般规定··································································4113.2特殊介质输送管道··························································4113.3特殊材料管道······························································4113.4特殊阀门··································································4514防腐施工··································································4614.1一般规定··································································4614.2防腐施工工艺··························································4614.3塑料制品的施工······························································4815水处理系统的试运···························································4915.1一般规定···································································4915.2水的预处理系统·······················································5015.3蒸发式淡化处理系统······················································5215.4除盐系统····················································5715.5凝结水处理系统·····················································5815.6循环冷却水处理系统·····················································5815.7取样及加药系统·····················································5915.8废水处理系统·····················································5916氢气站·········································································6016.1一般规定··································································6016.2制(供)氢设备·················································6116.3氢气管道·······················································6116.4储氢设备·······················································6316.5制（供）氢设备启动调整···············································6417工程项目文件清单······························································66附录A·············································································67附录B·············································································69标准用词说明···································································72引用标准名录·····································································73条文说明·········································································74

ContentsForeword···········································································Ⅱ1Generalprovisions·······························································12Terms··································································23Basicrequirement··························································43.1Generalrequirement···············································43.2Constructionengineering················································43.3Inspectionandstorageofequipmentandmaterials······················53.4Leaktestsofequipmentandsystem···································53.5GreenConstruction····················································64Waterpretreatmentequipment················································74.1Sedimentationtank················································74.2Biologicalaeratedfilter················································74.3Clarifier(Pool)···················································84.4Valvelessfilter················································94.5Mechanicalfilter················································104.6Ultrafiltrationandmicrofiltrationequipment·······················105Evaporativedesalinationequipment·········································115.1Takewaterpumpanddrawwaterandconcentratedbrinepipe····················115.2Lowtemperaturemultieffectdevice········································195.3Flashdistillationplant················································215.4Mechanicalevaporationdevice······························236Desaltingequipment···················································256.1Reverseosmosisunit············································256.2Forwardosmosisunit··············································266.3Ionexchangeequipment···············································266.4Carbondioxideremovaldevice········································276.5Electricdesalinationdevice··········································276.6Regenerationdevice·············································287Condensatedwaterprocessingequipment········································297.1Generalrequirement·············································297.2Pre-filter·····················································297.3Ionexchangersandregenerationdevice·························298Wastewaterdisposalequipment··········································308.1Generalrequirement················································308.2Neutralizationpool···················································308.3Wastewaterpool·················································318.4Oil-waterdiscreteunit·········································319Coolingwatertreatmentequipment·········································329.1Fungicidepreparationdevice···············································329.2Dosingequipment···············································339.3By-passflowtreatmentequipment······························3310Samplinganddosingsystem··············································3410.1Dosingequipment···································3410.2Samplingsystem···············································3511Boxes,drumsandtanks·················································3612Rotatingmachineryandotherequipment······································3812.1Limesystem··················································3812.2Sludgeremovalsystem··················································3812.3Watertreatmentpumps···········································3812.4Aircompressorsandaccessories································4012.5Agitators·····························································4013Specialpipingandvalves················································4113.1Generalrequirement············································4113.2Specialmediapipeline················································4113.3Pipemadeofspecialmaterials··············································4113.4Specialvalves·····················································4514Anticorrosiveconstruction················································4614.1Generalrequirement················································4614.2Anticorrosiveconstructionprocess·········································4614.3Constructionofplastics··················································4815Startupandadjustmentofwatertreatmentsystem···························4915.1Generalrequirement·················································4915.2Waterpretreatmentsystem··········································5015.3Evaporativedesalinationequipment···································5215.4Desalinationsystem·············································5715.5Condensatetreatmentsystem·······································5815.6Coolingwatertreatmentequipmentsystem·····························5815.7Samplinganddosingsystem·······································5915.8Wastewatertreatmentsystem·······································5916Hydrogenstation····························································6016.1Generalrequirements·················································6016.2Hydrogengenerationequipment········································6116.3Hydrogengaspipeline··············································6116.4Hydrogenstoragedevices··········································6316.5Startupandadjustmentofhydrogengenerationequipment&storagedevices····6417Projectdocumentstobeprovidedbeforequalityacceptance························66AppendixAFiltermateral·······················································67AppendixBReferencedateforhydrogenpipeinstallation·······················69Explanationofwordinginthiscode···································72Normativestandard···················································73Addition:Explanationofprorisions·············································741总则1.0.1为规范电力建设工程水处理及制(供)氢设备和系统的施工技术管理，规范水处理及制(供)氢设备和系统的施工、检验及试运的技术要求，特修订本部分。1.0.2本部分适用于各类型新建、扩建、改建的火力发电机组、燃气蒸汽联合循环机组、核电站常规岛及BOP系统、生物质能等发电工程的水处理及制(供)氢设备和系统的施工。1.0.3水处理及制(供)氢设备和系统的施工应依据经批准的设计和设备制造厂技术文件，如需修改或变更，应由设计单位、设备制造厂出具相应的证明文件，办理相关的审批手续。土建工程除满足本规范《电力建设施工技术规范第1部分：土建工程》的规定外，特殊要求按本部分相关规定执行。1.0.4水处理及制(供)氢设备和系统的施工应按设备订货合同、技术协议及制造厂有效技术文件的要求执行，如合同协议及制造厂无明确要求或要求不全面时，按本部分规定执行。1.0.5水处理及制(供)氢设备和系统的施工除应符合本部分外，尚应符合国家、行业现行有关标准的规定。

2术语2.0.1水的预处理waterpretreatment为了满足后续水处理工艺要求而进行的沉淀、混凝、澄清、过滤等处理工艺。2.0.2澄清clarification悬浮的微粒在反应池内沉降下来，分离出微粒含量很少的水处理过程。2.0.3过滤filtration水通过滤料或滤膜以除去悬浮微粒的过程。2.0.4超滤ultrafiltration介于微滤与纳滤之间的过滤，过滤精度一般在0.01m～0.10m之间,是以一种带有微孔的高分子滤膜为过滤介质的过滤方式,微孔孔径为0.001μm～0.200μm。其装置有真空式和压力式两种。2.0.5微滤microfiltration介于常规过滤与超滤之间，过滤精度一般在0.1m～1.0m之间。2.0.6反渗透reverseosmosis在膜的原水一侧施加高于溶液渗透压的外界压力，只允许溶液中水和某些组分选择性透过，其他物质不能透过而被截留在膜表面的过程。2.0.7正渗透Forwardosmosis水在渗透压作用下从化学势高的一侧自发扩散到化学势低的一侧的过程。2.0.8再生水recycledwater污水经适当处理后，达到一定的水质指标，满足某种使用要求，可以进行有益使用的水。2.0.9废水wastewater电厂生产、生活过程中排放的水。2.0.10真空箱严密性试验Getthetightnesstestwithaboxformingthevacuum利用真空箱装置对水箱底板焊缝质量进行严密性检查的一种方法。2.0.11低温多效淡化装置lowtemperaturemulti-effectdistillationunit(LT-MED)通过降低蒸发器内部压力来降低水的沸点，采用横管喷淋技术，将一系列的水平管喷淋降膜蒸发器串联布置的蒸馏淡化装置，其盐水最高温度低于70℃。2.0.12除盐desalination除去水中盐类的过程。2.0.13电除盐electrodeionization在电渗析器的淡水室中装填阴、阳混合离子交换树脂，将电渗析与离子交换结合起来，去除水中离子并利用电渗析过程中极化现象对离子交换树脂进行电化学再生的方法。2.0.14离子交换ionexchange水中某些阴离子或阳离子通过离子交换材料被另一些离子置换的过程。2.0.15孔网钢带塑料复合管perforated-steelandplasticcompositepipe孔网钢带塑料复合管是以氩弧对接焊成型的多孔薄钢管为增强体，外层和内层双面复合热塑性塑料的一种复合管。2.0.16电熔承插式连接electricalfusionbellandspigotconnection利用镶嵌在承口内壁的电热元件通电后产生的高温，将插入承口的管材与承口的接触面熔接成整体的连接方法。2.0.17内衬不锈钢复合管stainlesssteellinedcompositesteelpipe采用复合工艺，在焊接钢管、无缝钢管等输送流体的钢管内壁，镶衬一层不锈钢内衬组成的复合结构壁钢管。2.0.18钢瓶集装格thebundleofhydrogengascylinders通过专用框架固定，采用集气管将多只气体钢瓶接口并连组合的气体钢瓶组单元。2.0.19绿色施工greenconstruction在保证质量、安全等基本要求的前提下，通过科学管理和技术进步，最大限度地节约资源，减少对环境的负面影响，实现节能、节地、节水、节材和环境保护（“四节一环保”）的施工活动。3基本规定3.1一般规定3.1.1本部分规定了水处理及制(供)氢设备和系统的施工技术要求，凡涉及机械安装、管道施工、焊接施工、监测仪表及程序控制等施工技术，应按照国家或行业相关的规定执行。3.1.2主要设备的制造厂家，应取得国家、省（自治区）、直辖市或有关国家行政监督管理部门颁发的制造许可证。设备质量的验收，应按照国家或行业现行的有关标准规定执行，无规定时，应按照合同约定执行。3.1.3各类设备的安装施工应按设计和产品技术文件的要求进行。如需修改设计或采用代用设备、材料时，应经设计单位、监理和建设单位批准后实施。3.1.4本部分未包括的非标准设备安装施工应按照合同约定或设计要求进行。国外引进的设备，应根据合同约定或有关技术文件制定相应的施工技术措施。3.1.5设备装置订购时应签订技术协议书，并作为合同的附件，同时构成施工验收的依据。3.1.6设备安装前应检查质量报告，报告应完整且结论合格。3.1.7液位测量、就地分析仪表应在系统冲洗干净后安装，安装前应检定合格。3.1.8容器的排水管道应在沟内设置与排水方向一致的过渡弯。3.1.9加药间应设有冲洗水系统。3.1.10进行储存、输送酸、碱等介质操作时，必须严格遵守安全操作规程。3.1.11奥氏体不锈钢管道及管件的储存、搬运、安装不应与铁素体材料直接接触，不锈钢管道与碳钢支吊架之间应采用不锈钢皮或其它氯离子含量小于50mg/kg的非金属垫片隔离。3.1.12超滤、反渗透、电除盐等装置的框架安装质量应符合GB50205《钢结构工程施工质量验收规范》的相关规定。3.1.13特种设备的安装应用应履行告知手续。3.2建筑工程3.2.1设备安装就位前，建设单位或监理单位应组织安装、建筑承包商共同对建筑工程进行检查，并应符合下列要求：1设备基础的几何尺寸、位置及标高应符合设计要求；2预埋件及预留孔洞的尺寸、位置应符合设计要求；3平底水箱设备基础上应做沥青砂垫层，其坡向、坡度应符合设计要求或GB50128《立式圆筒形钢制焊接储罐施工及验收规范》的相关规定。3.2.2混凝土构筑物应按设计图纸验收。有防腐蚀要求的钢筋混凝土构筑物、建筑物应按照DL5190.1《电力建设施工技术规范第1部分：土建工程》、GB50212《建筑防腐蚀工程施工及验收规范》、GB50224《建筑防腐蚀工程施工质量验收规范》的规定进行验收。3.2.3钢筋混凝土容器应做灌水试验，试验前管道接口的安装应符合设计要求，灌水试验时间不少于24h，应无渗漏。灌水试验合格后方可进行设备及管道的安装。3.2.4水处理设备进行单体试运前，建筑施工应完成下列工作：1水处理室内外的防腐蚀地面、防腐蚀沟道及中和池、废液池应按设计要求施工完毕，并验收合格；排水、排渣沟道畅通无阻；沟盖板齐全，板面与地面平齐；2水处理室内外粉刷、油漆、地面、平台、阶梯、门窗及照明等应按设计要求施工完毕；3实验室上下水、采暖、通风、照明、空调、电源及实验台等设施应按设计要求施工完毕；4酸、碱储存库的构筑物和防腐蚀、通风、安全设施应全部施工完毕，验收合格。3.2.5氢气站设备和系统调整试运前，建筑及电气施工应符合下列规定：1氢气站避雷针、接地网应按设计要求施工完毕，按规定验收合格；2氢气站道路、围墙及其大门、构筑物门窗应按设计要求施工完毕，按规定验收合格；3氢气站内上下水、采暖、通风、照明和电源应按设计要求施工完毕，按规定验收合格；4安全、消防设施按规定验收合格，能满足投用条件，安全警示标识齐全醒目。3.3设备及材料的检验与保管3.3.1设备开箱检验应包括下列内容：1装箱清单、产品质量证明书、合格证、产品总图、产品使用说明书等随机文件应齐全；2产品质量证明书应包括主要受压元件材料质保书、水压试验报告，对有无损探伤要求的设备，还应有焊缝无损探伤报告；3按照清单检查设备、材料的数量、规格、包装及外观质量，并做好开箱检验记录。如发现设备或材料有锈蚀、冻裂、变质、损坏等缺陷问题，应会同有关单位共同分析原因，查明责任，及时进行处理。3.3.2设备、材料的保管，应按照DL/T855《电力基本建设火电设备维护保管规程》的规定及产品技术文件的要求进行。3.3.3防腐设备、材料运到施工现场后，对防腐层应进行外观检查和漏电试验检验，并应符合下列规定：1衬里材质及其厚度应符合设计要求；2防腐层无起浮或空鼓；3用高频电火花检测仪对全部防腐层进行漏电试验检查，应不产生电火花。检测时，探头在任一位置的停留时间不能过长，行走速度为3m/min～6m/min。其检验电压见表3.3.3；表3.3.3防腐层漏电检验电压防腐层材料漏电检验电压衬胶每毫米厚胶板3kV衬塑负极接钢管，正极接衬塑层，最低检漏电压按U=7843确定。式中：U-用于检测的最低电压值，Vt-衬塑层厚度，mm玻璃钢检验电压宜为3kV～3.5kV其它检验电压符合设计要求，设计无要求时可按涂层厚度乘以5V/μm计算4发现质量缺陷，应按合同约定进行处理；处理后应再次检验，合格后方可进行安装；5介质为酸、碱的衬胶设备，如有缺陷，应由制造厂家处理。3.3.4水处理使用的专用材料及药剂运到现场后应进行抽样检验，质量应符合订货合同的技术要求和相关标准规定，并应分类存放、妥善保管。3.4设备系统的严密性试验3.4.1各类管道及设备安装完毕后，应进行系统严密性试验。钢制管道的试验压力、试验方法及注意事项应按照DL5190.5《电力建设施工技术规范第5部分：管道及系统》的相关规定执行。3.4.2衬胶、衬塑、玻璃钢、塑料及其它非金属材料的管道，严密性试验的压力为其额定工作压力。不同额定工作压力的设备、管道安装在同一系统中，宜按系统中额定工作压力最低的设备或管道的额定工作压力做系统严密性试验。当工作压力未明确时，可将动力设备扬程折算为工作压力。3.4.3不锈钢设备宜使用氯离子含量小于25mg/L的洁净水进行严密性试验。3.4.4水处理系统中的离子交换器、再生装置等，在系统安装完毕后应进行单体工作压力水压试验。3.4.5承压容器设备应按TSGR0004《固定式压力容器安全技术监察规程》的相关规定进行水压试验。具有出厂证件能确认出厂前水压试验合格者，可不做此项试验,但应参与相连管道系统的严密性试验。3.4.6常压容器应进行灌水试验，确保严密不漏。现场制作的常压容器，底板的所有焊缝应进行真空箱法严密性试验，试验负压值不低于53kPa。3.4.7设备和容器内的浮筒应做灌水试验，确保浮筒严密不漏。3.4.8混凝土结构的容器设备应按照GB50300《建筑工程施工质量验收统一标准》的相关规定进行试验检查。3.4.9各设备以及系统应在灌水试验、渗油试验或严密性试验合格后方可进行防腐、保温等下一道工序。3.5绿色施工3.5.1水处理及制(供)氢设备和系统的施工，应符合下列规定：1优化施工工艺流程，利于节能减排；2应采用新技术、新工艺、新流程、新设备、新材料，不应使用高污染的工艺技术和材料等；3应使用节能环保的施工设备和机具，并提高使用率；4试验用水宜回收利用；5施工过程产生的废弃物应分类处置；6不得使用国家明令禁止的材料和技术。3.5.2各种水处理、废水处理的废液排放时，应符合GB8978《污水综合排放标准》及地方制定的污染物排放标准。3.5.3严禁采用溢流、渗井、渗坑、废矿井或稀释等手段排放有毒有害废水。3.5.4水处理或废水处理排出的废物或污泥，应存放在专用堆放场地，不得任意倾倒，宜综合利用。专用堆放场应采取防止粉尘飞扬、淋沥水外泄等措施。3.5.5建设项目投入生产或使用时，其环境保护防治设施必须同时投入。

4水的预处理设备4.1沉淀池4.1.1配水渠与沉淀池的配水孔应符合图纸要求。4.1.2钢制配水渠组装宜在水池完成闭水试验后进行，配水渠孔眼中心线应在同一水平线上，允许偏差为2mm。4.1.3有效水深宜采用2.0m～4.0m；缓冲层高度，非机械排泥宜为0.5m；机械排泥时，应根据刮泥板高度确定，且缓冲层上缘宜高出刮泥板0.3m；贮泥斗斜壁的倾角，方斗宜为60°，圆斗宜为55°；坡向泥斗的底板坡度，平流式沉淀池不宜小于0.01。4.1.4堰流出水槽出水堰口应水平并可调整。4.2曝气生物滤池4.2.1反冲洗配气管道安装应符合下列规定:1反冲洗配气管应在滤板浇筑前放入池子底部；2反冲洗配气管道预埋套管已经安装就位，反冲洗配气管已经放置于滤池底部且无损伤；3根据反冲洗配气管主管材质及设计安装要求，首先用水平尺测量反冲洗配气管主管道水平度，然后按图纸要求用支架将其固定于滤梁下侧，用不锈钢紧固件将反冲洗管道分配器与预埋管道法兰固定，最后将反洗支管焊接在主管道上预留孔上；4安装过程中测量应精确无误确保配气管中心线保持水平，管两端竖向及水平偏差不得大于2mm，支管应保持垂直管口标高一致，支管竖向倾斜度不大于2mm，任意两支管管口标高相差不得大于2mm。4.2.2出水稳流栅安装应符合下列规定:1出水稳流栅板应两排交错布置，每排内各栅板间距50mm，误差不得大于3mm，两排栅板间间距30m，以不锈钢螺栓固定于中间平行的两条不锈钢梁上，不锈钢梁两边与滤池壁上预埋的不锈钢板焊接于出水堰前的设计预留位置；2出水稳流栅成品货物发到现场后，先在滤池内部搭好脚支架并做施工平台，然后将出水稳流栅搬到水池上；3安装位置及安装精度应准确无误，确保稳流栅的水平度以保持出水流量、流速及水位稳定。稳流栅水平偏差10mm、垂直偏差3mm、各栅板栅隙误差3mm，稳流栅与滤池安装间隙5mm。4.2.3滤板安装应符合下列规定：1安装前滤板应整齐堆放，仔细清扫滤池内部，严禁出现混凝土颗粒物质，应对滤池、滤梁及滤板作专项质量检验；2滤梁上表面的平整度控制在3mm以内；3滤板吊装时,不得损坏滤板，预埋件及滤池池体；4相邻两滤板的高度误差为3mm，同组滤池滤板水平误差为±5mm；5滤板调平后，滤板缝不得进行二次调整，二次灌浆时确保通气槽畅通；6灌缝前，将滤板缝及滤板撒水洒湿，保证灌浆料凝固严实；7配水室内不得有尺寸大于2mm的杂物留存。4.2.4长柄滤头安装应符合下列规定：1对滤板滤孔、长柄滤头进行检查，滤孔不得堵塞，滤头不得损坏；2安装完毕后，检查确保整池安装无缺漏、无破损，且所有长柄滤头被紧固于滤板上；3滤板上的滤头安装高度应一致，可用绳线牵紧或调整滤池水位来检测滤头安装水平度；4安装于滤板上的平O型圈应无破损，且滤板与长柄滤头之间密实性良好，确保布水布气均匀。4.2.5分配器安装应符合下列规定：1检查与分配器对接的预埋管道法兰是否已经就位，参照施工图纸确定实际距离是否与图纸距离吻合，以便实时作出调整；2检查曝气管道的前端管道是否已经吹脱干净，保证管道里无颗粒性物质，以免在安装好曝气系统后堵塞曝气器的微孔而导致曝气不均匀；3曝气主管道未用风机吹脱前禁止与分配器连接，防止曝气主管道中的铁锈或铁渣等杂物堵塞曝气孔；4分配器安装应当严格根据图纸施工，主分配器立管垂直误差±5mm，横管水平误差±10mm；5法兰对接应牢固，支架焊接做到合理美观，包箍安装牢固且无遗漏，分配器内吹扫干净。4.2.6曝气器及角钢支架的安装应符合下列规定：1曝气支管安装前要检查是否有多余误钻孔，单孔膜空气扩散器不得装反，曝气支管的开孔不得过大漏气，不锈钢压条钻孔不得漏钻；2曝气器及不锈钢压条安装完毕后，要求曝气支管与分配器焊接牢固，单孔膜空气扩散器无破损、无反装；3支管压盖无漏，自攻螺丝拧紧，采用不锈钢焊接板将不锈钢压条与压板固定，曝气支管内无残留杂质，所有焊接应美观、合理、牢固。4.3澄清器（池）4.3.1澄清器（池）的安装应符合下列规定：1组装宜在设备完成灌水试验后进行，集水槽孔眼中心线应在同一水平线上，允许偏差为2mm；2集水槽、隔板应焊接严密；3取样管、阀门的安装应符合下列规定：伸入器内的取样管端头应向下弯，垂直插入深度为50mm-100mm；取样管材质应符合设计要求；取样管标高应符合设计要求，允许偏差为lOmm；取样阀门应布置在便于操作的位置，并安装牢固；取样管在寒冷地区需采取相应的保温伴热措施。4加装的蜂窝斜管或斜板安装时应排列整齐，相互贴紧，不得松动，组件间的空隙不得大于孔径；5溢水管及出水管标高应符合设计要求，其允许偏差为5mm。4.3.2澄清器（池）的爬梯应满焊，并作防腐处理。4.3.3澄清器（池）进水分配箱的相邻堰口高度允许偏差为5mm。4.3.4空气分离器的安装应符合下列规定：1中心、标高应符合设计要求，外壳垂直度允许偏差为其高度0.4%，且最大偏差为20mm；2伸入空气分离器的原水管中心线与空气分离器的中心线允许偏差为5mm，分水盘的上部边沿水平允许偏差为2mm。4.3.5悬浮澄清器的安装应符合下列规定：1支撑环与基础之间应有30mm-40mm的间隙；支撑环应水平，允许偏差为其直径的0.1%，且最大偏差为5mm；2外壳垂直度允许偏差为设备高度的0.25%，且最大偏差为5mm；3上部集水槽、内筒及内筒集渣管的中心线与澄清器外壳中心线应为同一轴线，其允许偏差为其外壳直径的0.5%，且最大偏差为20mm；4内部水平及垂直稳流板焊接应牢固，孔径与孔距应符合设计图纸规定，孔的边缘应光滑；5进水喷嘴的锥形部分加工尺寸应符合设计要求，内表面应光洁。安装时喷嘴与套管应水平；两个喷嘴应相互平行，并与澄清器的锥形部分成切线；6内、外筒的连接支架应焊接牢固。内筒和锥形部分的人孔应严密不漏；7内筒同层进渣孔的上下边缘应在同一水平线上，孔的边缘应光滑；8澄清器灌水试验用水应先进内筒、后进外筒。4.3.6水力循环澄清池安装应符合下列规定：1反应室中心线的允许偏差为澄清池直径的0.25%；喉管、喷嘴垂直中心线的允许偏差为反应室内径的0.5%；反应室喉管喇叭口的椭圆度应控制在1%之内；反应室垂直度、水平度应符合设计要求；2喷嘴加工内表面应平整光滑，喷嘴与喉管中心线的允许偏差为3mm；3喉管上下滑动导杆应在喷嘴、喉管、提升器就位后再进行安装，喉管上下滑动无卡涩。4.3.7机械搅拌澄清池安装应符合下列规定：1第一反应室、第二反应室与澄清池中心线的允许偏差为澄清池直径的0.25%；2机械搅拌装置的轴承及传动部分的安装，应按DL5190.2《电力建设施工技术规范第2部分：锅炉机组》的相关规定执行；3搅拌装置的主轴中心线与第二反应室中心线允许偏差为第二反应室直径的0.5%；4浆板的加工尺寸及连接角度应符合设计要求；5叶轮升降调节器底部冲洗装置的位置整定及喷嘴角度的调整应符合设计要求；6投药管、泥渣浓缩斗、排泥管及澄清池底部排污管的插入高度应符合设计要求；7刮泥板与池底的间隙设计无要求时，应为5mm至9mm。4.3.8高密度澄清池安装应下列规定：1澄清池内的斜管安装角度宜为60度（详见附录C）；2絮凝池搅拌器安装，应按DL5190.2《电力建设施工技术规范第2部分:锅炉机组》的相关规定执行；3导流筒、导流板、集水槽安装垂直度、水平度应符合设计要求；4刮泥机、污泥回流泵、污泥排放泵安装，应按DL5190.2《电力建设施工技术规范第2部分:锅炉机组》的相关规定执行；5澄清区上部采用集水槽进行澄清水的收集，集水槽、溢流堰、斜管支撑等的材质采用不锈钢，焊接时按照不锈钢焊接规范执行，螺栓连接时应采用同样材质的螺栓。4.4无阀滤池4.4.1无阀滤池安装应符合下列规定：1虹吸辅助管管口、滤池出水口、进水分配箱堰口、进水管U形弯底部以及排水井堰口的标高，应符合设计要求，允许偏差为10mm；2滤池挡水板应保持水平，允许偏差为2mm；3虹吸辅助管不得采用直角弯头，管口不得伸入虹吸弯管内，且在虹吸管内不得有焊口；4虹吸弯管顶部的抽气管管口应插入虹吸管内10mm—20mm；5滤池斜管应符合设计要求，斜管角度允许偏差为2°，斜管管口应靠近抽气管，斜管和抽气管应安装在虹吸辅助管的同侧；6虹吸管液位计、虹吸辅助管、抽气管、虹吸破坏管应严密不漏。4.5机械过滤器4.5.1安装应符合下列规定：1过滤器应垂直安装，外壳垂直允许偏差为高度的0.25%，且最大偏差为5mm，壳体找正后，及时将支脚、垫铁与基础预埋件焊接牢固并进行二次灌浆；2过滤器配水系统、排水系统及空气分配系统的支管与母管中心线应相互垂直，支管的水平允许偏差为2mm；3水帽座的中心线应与支管水平面垂直，水帽水平高度应一致，允许偏差为3mm，水帽间的缝隙及水帽与容器底板间隙应符合设计要求，且安装牢固；4配水母管、支管的管孔应光滑无毛刺，套裹支管的网布，应符合设计要求并绑扎牢固；5设置空气擦洗装置的过滤器，其底部垫层的上平面应与鼓气孔眼或水帽顶部处于同一水平面；6过滤器壳体内部的防腐层在填料装填前，应按本部分第3.3.3条的规定进行质量检查；7过滤器底部垫层应符合本部分附录A的规定。4.6超滤、微滤装置4.6.1安装前检查应符合下列规定：1装置外观不应有缺损，包装和标识应规范、完整；2设备和膜组件的型号、规格、数量、材质和产地等应符合合同要求；3备品备件型号、数量应符合合同要求。4.6.2膜保管应符合下列规定：1膜存放环境应干燥、通风良好，远离热源、点火装置和阳光直射；2膜保管应防雨、防尘，储存温度应为5℃～40℃，湿法包装的膜组件应确保包装袋密封严密，运输时不应受到撞击、颠簸、抛掷和重压等外力作用；3未使用的膜元件不应排除内部的保存液；4元件或膜不应接触有机溶剂、含有氯或浓酸的溶剂。4.6.3膜组件安装应符合下列规定：1膜组件组装时应轻拿轻放，不应受到额外外力；2膜组件内部应无变质、发霉及杂质，膜组件应无内漏；3超滤、微滤膜组件组装前应对装置进行水压试验和水冲洗，水压试验压力应不小于泵的最大扬程，冲洗水采用过滤后的清水，冲洗至进、出口浊度一致为合格；4膜组件安装应符合产品技术文件的要求；5配管连接时不应破损膜组件；6金属箍在与配管连接时不应使装置变形，避免损坏膜组件；7塑料制成的膜组件容器，不应坠落或受到撞击；8安装后应用过滤水冲洗干净。

5蒸发式淡化处理设备5.1取水泵及取水、浓盐水管道5.1.1交付安装的土建工程应具备下列条件：1行车轨道安装完毕，二次浇灌的混凝土已达到设计强度，并经验收合格；2主辅设备基础、基座浇灌完毕，模板已拆除，混凝土已达到设计强度的70%以上并验收合格；3厂房内的沟道施工完毕，一次地坪及进厂房道路施工完毕；4厂房封闭，屋面止水；5土建施工的模板、脚手架、剩余材料、杂物和垃圾已清除；6厂房内的各基础、各层中心线和标高标识清晰、齐全；7各层平台、通道、梯子、栏杆、踢脚板和扶手装设完毕且焊接牢固，孔洞有可靠的临时盖板或围栏；8厂房内的管沟、泵坑、排水沟及集水井等清洁，排水畅通；9消防设施应可靠投用；10影响设备安装的装饰工程已全部完成。5.1.2基础尺寸、中心线、标高、地脚螺栓孔和预埋铁件位置等应与设计图纸相符，其质量应符合DL5190.1《电力建设施工技术规范第1部分：土建工程》的相关规定。5.1.3泵组就位前应对混凝土基础进行处理并达到下列规定：1与二次灌浆混凝土接触的表面应凿出毛面、清除油污和其他杂物；2放置垫铁的混凝土表面应凿平，与垫铁接触应密实，垫铁放上后无翘动现象；3采用埋置垫铁安装工艺时，应下列规定：1）沿纵轴线埋置垫铁的标高应符合制造厂技术文件的要求，标高允许偏差为2mm；2）垫铁的厚度宜大于20mm，每块垫铁的纵向扬度应与轴系扬度一致；3）垫铁底部距基础凿毛面的灌浆层厚度应为20mm～50mm，灌浆材料应采用无收缩灌浆料，并应制作同等条件下的试块。4地脚螺栓孔内应清洁、无杂物、无油垢。5.1.4配置垫铁应满足下列规定：1垫铁材料可以采用钢板或铸铁；2垫铁表面应平整、无翘曲、无毛刺；3垫铁的坡度宜为1∶10～1∶25，薄边厚度应大于5mm。5.1.5垫铁安装应满足下列规定：1垫铁应安放在地脚螺栓的两侧和底座承力处，大型泵组底座内、外侧应各放一组。因底座结构特殊无法在地脚螺栓两侧布置垫铁时，可在地脚螺栓孔浇灌后在浇灌层上布置垫铁。底座在地脚螺栓拧紧后不得变形；2每叠垫铁不宜超过3块，特殊情况下个别允许达5块，其中允许用一对斜垫铁；3垫铁宜伸出底座边缘10mm～20mm；4垫铁各承力面应接触密实，用0.3kg～0.5kg手锤轻敲，应无松动，调整结束后应在垫铁侧面点焊牢固；5底座与基础表面的距离应大于50mm；6底座埋入二次灌浆混凝土的部位，应将浮锈、油污及油漆清除干净。5.1.6安装地脚螺栓时应符合下列规定：1地脚螺栓上的油脂、污垢应清理干净；2地脚螺栓与其孔壁四周应有间隙；3地脚螺栓末端不应触及孔底；4地脚螺栓的螺母与垫圈、垫圈与底座应接触良好，并采取防松措施；5地脚螺栓终拧后螺栓端部宜露出螺母2个～3个螺距。5.1.7采用无垫铁安装工艺的泵组安装时应满足下列规定：1临时垫铁或小千斤顶应安放稳固并便于拆除；2设备的纵横中心线、标高、水平调整好后，地脚螺栓应适当固定，避免二次灌浆时被移位；3二次灌浆时施工人员应监视，防止设备移位；混凝土强度达到70%后方可拆除临时支垫物。5.1.8泵组安装前，除应符合第5.1.1～5.1.7条规定外，尚应符合下列规定：1进水侧水槽或流道的混凝土表面，经外观检查无蜂窝、无孔洞、无露筋、无裂纹等缺陷；2泵基础的中心线与进出口水管接口构筑物的中心线的允许偏差为10mm；3电动机与水泵分层安装的泵组，各层标高的相对偏差，应在10mm以内；4测量各层开孔中心，偏差应在5mm以内，楼面开孔的尺寸应大于出水弯管的断面尺寸；5大型立式泵基础应无不均匀沉降。5.1.9水泵固定部分，包括各型立式泵的底座、中间节、进水锥管、叶轮外壳、导叶体等的检查应符合下列规定：1底座及外壳各节的结合面、承插止口、填料压环等应平整，无毛刺、无变形等缺陷；2分成两半的外壳结合面及各节法兰或止口，吊装前应进行立式组合，应相吻合并接触良好。5.1.10立式泵固定部分安装应符合下列规定：1底座安装的位置应符合设计要求，允许偏差为：标高5mm；中心3mm；端面水平度0.05mm/m；底座与垫铁、垫铁与基础应接触良好。2底座定位，地脚螺栓混凝土强度达70%后，方可紧固地脚螺栓；经复查底座水平无变化，然后浇筑二次混凝土；3带接长轴的立式泵安装时，应吊钢丝线锤作基准，测量主轴密封、导轴承及底座法兰三处中心相互偏差在0.20mm以内；4各节结合面应接触严密，用0.05mm塞尺检查无间隙，局部间隙应控制在0.10mm以内；5上下各节结合面的填料圈应压正、压紧，不得有局部凸起、脱槽或断裂，法兰结合面宜采用硅酮密封胶作密封涂料；6大型轴流泵固定部分的安装尚应注意：当泵壳体各节安装后水泵叶轮无法装入时，应在底座就位后将叶轮与导水圈等部件组合先行临时就位；导叶体与上节泵座正式连接后，应复查其水平、标高及垂直中心，确认合格后方可对泵座进行二次浇灌，埋入部件与混凝土之间结合应密实，底座、泵座等浇灌后上部应填灌防渗填料；二次灌浆层达到强度后，临时拆掉叶轮外壳时，对两半外壳的中分面应以夹具拉紧，防止变形。5.1.11立式离心泵转子部件的检查与组装，除应按一般离心泵的规定执行外，尚应符合下列规定：1水泵的组装工作应在竖立状态下进行；2带诱导轮的离心泵，诱导轮与密封圈应光洁、无损伤，径向总间隙为诱导轮最大直径的1/1000～1.5/1000，且应四周均匀；3带平衡鼓的立式离心泵，平衡鼓与套筒应光洁、无损伤，螺旋槽应通畅，无毛刺、无杂物，径向间隙单侧宜为0.25mm～0.35mm，平衡套与壳体应紧密配合、无松动；4水泵主轴联轴器法兰平面坡度允许误差为0.05mm/m。5.1.12立式轴流泵调节式转子部件的检查和组装应符合下列规定：1泵轮各部件经检查无锈污、无毛刺、无损伤，解体时应打好配合标记；2叶片转动机构各部件的配合应灵活、不松旷、无卡涩；3转臂与止推轴套端面应接触良好并有0.10mm～0.15mm的间隙，转臂与转子体内壁应无卡涩；4叶片枢轴与转子体应对号组合，叶片枢轴与轴套在轴向的窜量应小于0.50mm，枢轴在轴套内应能转动灵活；5固定叶片的环键在键槽中应为过渡配合，松紧适度；6叶片密封装置的弹簧、压环及垫环，转子体与垫圈接触部位应平整、无毛刺，垫圈应富有弹性、平整、厚度均匀；7用螺栓压紧垫圈，应均匀、缓慢进行，不得紧偏；8全调节式的叶轮部件在组装时应按规定进行密封装置的严密性试验，试验油温不得低于+5℃，试验过程中各组合缝及螺孔等应无渗漏；9叶片应在试压同时进行动作试验，油动机活塞与叶片动作应灵活平稳、行程符合图纸要求，转子体上转角最大和最小位置之间，应按设计要求度数标出分度；10本条第8、9两款可用压缩空气进行试验；11叶轮在正式安装前应与壳体进行试装配，叶片端部应无显著凸凹，与壳体间隙宜为2mm～3mm，并应均匀一致，叶片根部在整个调角范围内与转子体应无卡涩；12转子部件各过流面螺栓最终紧好后，在螺孔处应浇铸铅、环氧树脂或其他能固化的防水填料。5.1.13立式轴流泵主轴安装前应检查下列各项并符合规定：1核对主轴长度与泵轮至联轴器法兰面的设计标高间的距离，记录其测量值；2主轴各精加工部位应光洁、无损伤，平放情况下，检查下列各项并作记录，其控制值为：主轴弯曲度＜0.10mm；轴径处径向晃度＜0.06mm；联轴器端面瓢偏＜0.04mm；联轴器径向晃度＜0.04mm；在轴的最大弯曲点作出印记，供测摆度时参考。3导轴承与主轴轴径的接触及间隙应符合制造厂要求，橡胶轴承不得接触油脂；4全调节式的轴流泵主轴内部及油管应清理洁净，内部油管接头应装好垫片并接触严密，螺栓应均匀紧固并锁紧。5.1.14立式轴流泵主轴与泵轮安装应符合下列规定：1主轴安装前泵轮组合体如在壳体内临时就位，不得使泵轮直接压在底盖上；2主轴与转子体正式安装前，应实测联轴器的高程和泵轮的位置并与制造厂记录核对；3主轴与泵轮连接的各结合面应严密，用0.05mm塞尺检查应全周无间隙，最终连接时结合面应加符合规定的防水涂料，螺栓紧力应均匀，螺母应点焊牢固；4以联轴器法兰平面水平为准调整主轴与泵轮连接后的主轴垂直度；5测量主轴与导轴承孔上下圆周各点的间隙，测量主轴瓦的厚度，两者偏差应符合制造厂的要求；6泵轮在壳体内的轴向中心实际位置值，应与壳体中心印记相对泵联轴器法兰平面的标高差一致。当叶片在最大或最小转角位置时，在上、中、下三点测量叶片与外壳的径向最小间隙应符合图纸要求，间隙偏差应不超过实际平均间隙的20%；7安装主轴时叶轮的定位标高应比设计值稍高，使叶轮下缘与外壳单边间隙大于上缘与外壳单边间隙的5%～15%；8主轴的正式定位应在电动机定子找正后进行，在电动机安装前水泵主轴初步标高位置应比设计标高低，所低数值为联轴器法兰止口深度再加2mm～6mm，避免调整时电动机定子与主轴碰擦。5.1.15电动机直接坐落在泵体上的立式泵，电动机的检查与安装除按DL5190.3《电力建设施工技术规范第3部分：汽轮发电机组》第5章发电机和励磁装置中空冷发电机的相关规定执行外，尚应符合下列规定：1大型电动机的转子与定子的磁力中心线应吻合；2电动机的定子与转子间的空气间隙四周应均匀，偏差应小于磁极平均空气间隙的10%；3电动机与转动机械的联轴器找中心应符合下列规定：两联轴器中心的允许偏差应符合表5.1.15的规定；根据设备支座的材料、结构形式和介质温度及制造厂技术文件的要求，联轴器找中心应考虑在常温下预留其运行升温时中心变化的补偿值；联轴器中心调好后应作记录，并在设备二次灌浆和有关设备管道正式连接后复查；表5.1.15联轴器找中心允许偏差值转速n（r/min）允许偏差值（mm）固定式非固定式径向端面径向端面n≥30003000＞n≥15001500＞n≥750750＞n≥500n＜5000.040.060.030.040.050.060.080.060.240.040.060.080.100.154电动机地脚螺栓紧固后，底部外露的螺杆、螺母、垫板应相互点焊牢固。5.1.16大型立式泵单独装在机架上的电动机，安装前应进行下列检查：1机架支腿各结合面应平整、无损伤，上下机架油槽应经渗油试验无渗漏；2电动机联轴器的端面瓢偏应小于0.04mm，与水泵联轴器的端面瓢偏应高低配合；3电动机的电气部分经电气人员检查，接触电阻和绝缘电阻等均应符合规定；4电动机风扇应无变形、无锈蚀、无裂纹等缺陷，叶片方向及高度应符合图纸要求，叶片镶装应牢固、无松动；5电动机冷油器应进行1.25倍的设计压力的水压试验，保持5min应无渗漏；装入油槽的管件接头应连接牢固、无渗漏；6上机架放油管丝堵等接头应连接牢固，严密无渗漏。5.1.17大型立式电动机机架和定子的安装应符合下列规定：1电动机底座的安装标高，应以水泵联轴器标高为基准，使电动机转子磁场中心比定子磁场中心略低，其偏差值应小于电动机定子硅钢片有效高度的0.4%；2下机架安装应使定子标高符合上条款的规定，允许偏差为1mm；与水泵底座中心允许偏差为1.5mm；机架水平允许偏差为0.10mm/m；3下机架连接后应安装定位销，螺栓紧固后，结合面用0.05mm塞尺检查应无间隙，局部有间隙的面积总和应小于结合面的30%；4定子吊装就位后与下机架的结合面应严密，用0.05mm塞尺检查应无间隙，并用定位销固定。5.1.18大型立式电动机转子吊装前的检查，应符合下列规定：1机架、定子、转子应清扫干净，定子的中心位置应符合规定；2测量并调整下机架导轴承部位的几何尺寸应大于联轴器法兰尺寸；3装好水泵主轴、导轴承及密封环；4制动器及