不锈钢酸洗钝化操作规程-中英文应用版本

将生命注入产品让产品走向世界1重庆市澳凯龙医疗器械研究有限公司不锈钢酸洗钝化规程文件编码：编制人:审核人：批准人:版本号:日期：受控文件：不锈钢酸洗钝化规程目录TABLEOFCONTENTS1编制方案的依据Basisofschemecompilation22工作范围Workingscope23清洗工艺Cleaningprocess24清洗过程Cleaningprocess35废液处理Wasteliquortreatment76甲方提供的条件Conditionsuppliedbytheowner77临时配管Temporarytubing88检验与验收Testandaccept89安全9将生命注入产品让产品走向世界21编制方案的依据Basisofschemecompilation1.1管道清洗的必要性Necessityofpipingcleaning纯化水不锈钢管道在使用前，要进行脱脂、酸洗、钝化和消毒处理，管道才能达到生产使用的技术要求。Beforeusedstainlesssteelpipingforpurifiedwatershouldbedegreased,pickled,passivityanddisinfected.Onlyinthiswaycanpipingmeettechnicalneedsofproductionandusage.1.2《脱脂工程施工及验收规范》HG20202-2000。ConstructionandAcceptanceCriteriaofIndustrialPiping1.3《工业设备化学清洗质量标准》HG/T2387-2007QualityCriteriaofChemicalCleaningforIndustrialEquipment1.4VWS提供的图纸DrawingssuppliedbyVWS1.5管线的材质为全部为316L，如有其它材质，清洗前必须说明。Materialofpipelineisall316L.Giveadescriptionofthematerialbeforecleaningifothermaterialsareused.2工作范围Workingscope主要为卫生级不锈钢SS316L管道MainlyforsanitarySS316Lpipe.2.1从纯水制造机到纯水TANK接口前级的循环管道；PipesfromOriontowatertankandpipesofwatertankreturningtothefronttank.2.2纯水循环管道；PWloopdistributionPipes.3清洗工艺Cleaningprocess3.1采用我公司多年成熟的不锈钢管道清洗工艺。Adoptcleaningprocessforstainlesssteelpipewhichwearegoodat.3.2管道的清洗工艺为：Pipingcleaningprocessisasfollows:临时配管建立循环回路formcirculation—拆除滤芯removefilter—水冲洗waterflush——脱脂degrease——水冲洗rinsebywater——酸洗pickling,钝化passivation——水冲洗rinseby将生命注入产品让产品走向世界3water——系统恢复systemreset3.3设备、管线系统内不宜清洗的部件：Componentsintheequipmentandpipingthatarenotsuitabletobecleaned清洗系统中的仪表类（一次仪表、二次仪表及仪表传感器）和UV杀菌灯、热交换器（板式及管壳式）对清洗液敏感的部件应临时拆除。Othercomponents,suchas1stloopinstrument,2ndloopinstrumentandothertransmitter,UV,HX(includingplatetypeandtube/shell)thatarenotinconformitywithmaterialandaresensitivetocleaningagent,suchasflowmeter,conductivitymeter,levelmeter,wiring,tank,etcshouldbedismantledtemporarily.3.4管线系统内不参与清洗的短管等拆除的部件采用浸泡清洗，清洗完成后经检验合格后用塑料保鲜膜包扎，等管线系统清洗完成后再安装复位。Allcomponentsdidnotinvolvedonthepipelinetobesoakedandcleaned.Aftercleanedandtested,itmustbepackedwithplasticfilm.Installedandpositionedafterpipecleanfinished.3.5清洗流程Cleaningprocess3.5.1.所有需要清洗的管道用临时管道连接形成清洗循环系统，采用循环清洗，清洗时建立一个循环回路.Allpipingthatneedcleaningshouldbeconnectedbytemporarypipingtoformcirculationsystem.Circulatingcleaningisusedandoneloopwasformedwhenproceedingwithcleaning.3.5.2.清洗流程图Cleaningflowchart根据系统流程图Accordingtotheflowchartofthesystem4清洗过程Cleaningprocess所有清洗系统的过程是一样的。Allcleaningsystemhavethesameprocess.4.1人工处理Manualhandling4.1.1.管线在清洗前要做全面检查，设备材质和方案中所列要一致。Pipelinesshouldbeinspectedintheoverallperspectivebeforecleaningandmakesurethatequipmentmaterialisinconformitywiththatlistedinthescheme.4.1.2.不参与清洗的被隔离的仪表阀门等要在清洗前检查确认Isolatedinstrumentsand将生命注入产品让产品走向世界4valvesthatarenotcleanedshouldbecheckedbeforecleaning。4.1.3.测试样品必须包含两个新焊的，未清洗的焊缝。一个安装在将要清洗的管路中，另外一个放在化学清洗罐内;.4.2水冲洗：水冲洗及试压的目的在除去管线内表面积灰、泥沙、脱落的金属氧化物及其它疏松污垢，并在模拟清洗状态下对临时清洗回路进行泄漏检查。Rinsewithwater.Rinseandpressuretestaimtoremoveashes,mudandshedmetallicoxideandotherloosedirtonthesurfaceofpipelinesandproceedwithleaktestontemporarycleaningloopunderthecircumstancesofcleaningstimulation.用纯化水（氯离子小于0.1ppm）进行冲洗，冲洗时控制进出水平衡。冲洗的同时检查清洗循环系统是否有泄漏等情况发生，如果有，在清洗剂添加前要处理好。Rinsewithpurifiedwater(chlorineionislessthan0.1ppm).Inrinseprocesscontrolthebalancebetweenincomingandoutgoingwaterandcheckifcirculatingsystemleaks.Ifso,doitwellbeforeaddingcleaningagent.4.3脱脂：脱脂处理的目的系统内表面在制作、安装、过程中产生的油脂，使酸洗液能完全，彻底地和系统内表面接触，从而使清洗彻底，钝化膜完整；Degrease.Itaimstodegreasetheoilproducedinthefabrication,installationofinnersurfaceofsystemtomakepicklingagentgetinfullcontactwithinnersurfacesystem.Thereforecleaningcanbefinishedfullyandpassivationmembraneisincompletesituation.4.3.1.操作步骤，系统加入纯化水（氯离子小于0.1ppm）至预定液位，开始循环，并加入碱洗药剂。Procedure.Injectpurifiedwater(chlorineionislessthan0.1ppM)intothesystemandbeginthecirculation.Andaddalkalinecleaningmedicamentforstainlesssteelanddegreasingfinishes.4.3.2.工艺条件：Process温度temperature常温normaltemperature循环时间circulatingtime2小时hours循环时间可根据天气、管道复杂情况适当延长或缩短。Circulatingtimecanbelengthenedorshortenedaccordingtotheweatherandpiping.将生命注入产品让产品走向世界54.3.3.脱脂药剂：Degreasingmedicament序号No名称Name1氢氧化钠直到其浓度为1%4.3.4.测试项目：ItemstobetestedPH1次/半小时once/halfhour脱脂液PH要求维持在12以上，当PH小于12时应添加氢氧化钠。PHofDegreasingagenttobekeptasabove12andsufficientdegreasingagenttobeadded.PH测试使用PH试纸PHcheckedwithPHtestpaper4.4水力冲洗：水力冲洗的目的是除去脱脂后脱落的污物，并将系统表面残留的脱脂液冲洗干净。Waterrinsetogetridofshedordureandflushremainingdegreasingagentonsystemsurfaceclean.4.4.1.操作步骤，排尽系统内脱脂液，用大量水冲洗。Operationprocedure.Draindegreasingsolutioninthesystemandflushthesystemwithenoughwater.4.4.2.测试项目，用视觉观察冲洗水至透明无微粒，测定PH小于9。Itemstobetested.CheckflushwatertobetransparentwithnoparticulatevisuallyandmakesurePHvaluelessthan9.PH2次/半小时twice/halfhourPH测试使用PH试纸，当PH小于等于9时水冲洗完成。PHcheckedwithPHtestpaperandwaterflushfinishedwhenPH9.4.5酸洗：酸洗的目的是利用酸洗液将金属表面的铁锈氧化物等污垢进行化学和电化学反应，生成可溶性物质，并利用酸洗液的冲刷作用除去污垢。Pickling.Picklingaimstomakedirtlikerustedoxideonthesurfaceofmetalproceedwithchemicalandelectromechanicalreactiontoproducedissolublematerialandgetridof将生命注入产品让产品走向世界6dirtwithpicklingsolution.4.5.1.操作步骤，排净系统水冲洗残液后，随即系统加水至一定液位循环，