板坯连铸机液压润滑系统管线的酸洗钝化施工方案

1、第 第7页 共 7 页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Pickling an Passivation Solution For The Hyraulic an Lubrication System of Con-caster一、 清洗目的 I. Purpose of Cleaninguringtheprouctionantransportationofpipes,oilresiue,metal particals,especiallythemetalparticalswoulreactwithhighoxygenunerhighpressure,proucingel

2、ectricsparklinganleaingto catastrophicresult.Infact,ithappenetimesagaininthepast.Therfore,it ishighlynecessarytocleaninganpassivatingthepipinglines.钝化II. Projectname:Pickling anPassivationSolutionForTheHyraulic an Lubrication System ofCon-caster1、氧化管线：OxyizepipelinesSpec.LengthSpec.Length 483.578m 3

3、4327m 603.545m 48720m 76464m 60845m 114416m 385500m 101.564m 422.570m 12236m 893.2100m 163500m 203422.5m 2531104m 304328m2、 施工人员：6 人，在双方达到协议开工后，我方将派出由项目4 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。3 Operators:6 operators. Before the agree ate of start-up cleaning,wewillispatch4experiencecleaningworkersana safe

4、tyinspectorlebyprojectmanagertoJISCOsiteforpipeline cleaning.Personnelarrangementisflexibleaccoringtotheactualeman of project proceeing.4、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。5、Operatingtools:cleaningpumps,4anti-acicleaningcrane,heaters, waterpipe.6、 安全措施：涉酸碱作业，一切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、5%的苏打水。7、Safetymeasurement:Forallworksinvolvingacioralkaline,the operators nee to be equippe with safety helmet,eye-protection glasses,mask,anti-aci/alkalinegloves,rainbootsetc.Anyoperator whoisnotsafelyequippeisforbientogetintothesite.5%soa water is available on site.8、 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

6、后排放。9、Collectionofwasteliqui:Aftercleaningproceure,thewastewill beneutrolizeinthetankanischargeaftersafetyconfirmation ofJISCO.二、 具体施工方案三、 Specific operation proceure1、酸洗钝化工艺：采用脱脂、酸洗钝化三步分开进行法2、Picklinganpassivationegreasingpicklingpassivation.脱脂高压水酸洗漂洗钝化高压水冲洗吹干封存To be specific: egreasinghigh pressur

7、e water flushingpicklingrinsingpassivationhigh pressure water flushingblowing to ry-covere up.脱脂剂配方：氢氧化钠 10%、碳酸钠 50%、表面活性剂 5%Recipeofegreasingagent:NaOH:10%;NaCH50%;activation agent5%.酸洗剂配方：盐酸 20%、硝酸 50%、缓蚀剂 1%Recipe of pickling agent: HCL20%, Nitric aci 50%,anti-corrosion agent 1%钝化剂配方：磷酸 50%、氧化锌 3

8、5%、亚硝酸钠 2%Passivation agent recipe: Phosphoric aci 50%, Oxyize zinc 35%,亚硝酸钠 2%3、施工质量目标：有效去除管道内表面、油渍、锈渍、铁屑等物，形成钝化膜。4、Target:Removetheimpurities,oilresiues,rustetc.onthesurface of thepipeline.5、温度控制：脱常温、酸常温、钝加温506、Temperaturetemp.;pickling-ambienttemp.;passivation-heatupto507、施工质量试验：目视法，管线内壁无鲜明锈渍、杂物、

9、油渍形成完整的钝化膜。8、Quality inspection:by nake eyes,to see if there isobviousrust,impurity,oilresiue,anwhetherthecomplete passivation film has been forme.9、510、Time consumption: 5 ays all together1）1 1 ay for preparation.2）3 3ays for cleaning,3）1 1 ay for retreat11、工程清场及验收退场Projectclearance,inspectionwithr

10、awal;anClearance;alltooloutofsite,wasteliquibeingneutraliseanischarge.退场：试验合格，带管子缝墙运回现场，工程达标完成关于不锈钢二期板坯连铸机液压、润滑系统管线的焊接施工方案Welingsolutionforthepipingofhyraulic anlubricationsystemofCon-caster我单位油管焊接采取两个方案，一个是插入式焊接如下图所示2 options:one is insert weling,see following rawing:焊接由于此关于接属于插入式，不会导致氧化皮进入管内，所以，只需要直接焊接即可。Byinsertconnection,thescalewillnotgetintothepipe,then,just wel them.另一种焊接方式属于关于接式焊接，如下图所示Anotherisbuttweling,asshownintherawing:焊接氮氮氩弧焊气由于此关于接方式，管内易产生氧化皮，故将管内充满氮气，将管内空气排净，且焊缝处，氩弧焊