纯化水管线-酸洗钝化方案附件20卫生级管路酸洗钝化方案SanitaryPipeChemicalPickled&PassivationProcedure目录TABLEOFCONTENTS1编制方案的依据Basisofschemecompilation...........................52工作范围Workingscope.................................................................53清洗工艺Cleaningprocess............................................................54清洗过程Cleaningprocess............................................................75废液处理Wasteliquortreatment...............................................116甲方提供的条件Conditionsuppliedbytheowner................127临时配管Temporarytubing...........................................................128检验与验收Testandaccept.........................................................129安全.....................................................................................................131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——水冲洗waterflush——脱脂degrease——水冲洗rinsebywater——酸洗pickling,钝化passivation——水冲洗rinsebywater——系统恢复systemreset3.3设备、管线系统内不宜清洗的部件：Componentsintheequi