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1、关于不锈钢二期板坯连铸机液压、润滑系统管线的酸洗钝化施工方案PicklingandPassivationSolutionForTheHydraulicandLubricationSystemofCon-caster一、清洗目的I.PurposeofCleaning管线在生产、运输会使管线内产生微量油污、金属粒子,特别是氧气管线内金属粒子可能与高纯氧高压氧化、撞击,产生电火花而发生不堪设想的严重后果,历史上这样惨重的事故很多,因此清洗钝化是必不可少的。Duringtheproductionandtransp
2、ortationofpipes,oilresidue,metalparticals,especiallythemetalparticalswouldreactwithhighpurityoxygenunderhighpressure,producingelectricsparklingandleadingtocatastrophicresult.Infact,ithappenedtimesagaininthepast.Therfore,itishighlynecessarytocleaningandpas
3、sivatingthepipinglines.项目名称:不锈钢专项炼钢分项板坯连铸机液压、润滑系统管线酸洗、钝化II.Projectname:PicklingandPassivationSolutionForTheHydraulicandLubricationSystemofCon-caster1、氧化管线:OxydizedpipelinesSpec.LengthSpec.Lengthφ48×3.578mφ34×327mφ60×3.545mφ48×720mφ76×464mφ60×845mφ114×416m
4、φ38×5500mφ10×1.564mφ42×2.570mφ12×236mφ89×3.2100mφ16×3500mφ20×3422.5mφ25×31104mφ30×4328m1、施工人员:6人,在双方达到协议开工后,我方将派出由项目负责人带队的有实践经验的专业清洗工4人和一个安全员组成的队伍到现场实施清洗工作,可视工期及施工进度适当增加或减少人员。2、Operators:6operators.Beforetheagreeddateofstart-upofcleaning,wewilldispatch4ex
5、periencedcleaningworkersandasafetyinspectorledbyprojectmanagertoJISCOsiteforpipelinecleaning.Personnelarrangementisflexibleaccordingtotheactualdemandofprojectproceeding.3、施工机具:清洗泵、4只耐酸清洗槽、吊车、加热器、水管、玻璃钢等。1、Operatingtools:cleaningpumps,4anti-acidcleaningtan
6、k,crane,heaters,waterpipe.2、安全措施:涉酸碱作业,所有工作人员配备安全帽、护目镜、防毒面具、耐酸碱手套、雨靴、穿戴齐全方可作业,现场配有5%的苏打水。3、Safetymeasurement:Forallworksinvolvingacidoralkaline,theoperatorsneedtobeequippedwithsafetyhelmet,eye-protectionglasses,mask,anti-acid/alkalinegloves,rainbootsetc.A
7、nyoperatorwhoisnotsafelyequippedisforbiddentogetintothesite.5%sodawaterisavailableonsite.4、废液收集处理:清洗完毕后,清洗废液在槽内中和后经业主确认后排放。5、Collectionofwasteliquid:Aftercleaningprocedure,thewastewillbeneutrolizedinthetankanddischargedaftersafetyconfirmationofJISCO.一、具体施
8、工方案二、Specificoperationprocedure1、酸洗钝化工艺:采用脱脂、酸洗钝化三步分开进行法2、Picklingandpassivationprocedure:degreasing—pickling—passivation.脱脂---高压水---酸洗---漂洗---钝化---高压水冲洗---吹干---封存Tobespecific:degreasing—highpressurewaterflushing—pi