1、第 第7頁 共 7 頁關(guān)于不銹鋼二期板坯連鑄機液壓、潤滑系統(tǒng)管線的酸洗鈍化施工方案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.鈍化II. Projectname:Pickling anPassivationSolutionForTheHyraulic an Lubrication System ofCon-caster1、氧化管線：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、 施工人員：6 人，在雙方達(dá)到協(xié)議開工后，我方將派出由項目4 的隊伍到現(xiàn)場實施清洗工作，可視工期及施工進度適當(dāng)增加或減少人員。3 Operators:6 operators. Before the agree ate of start-up cleaning,wewillispatch4experiencecleaningworkersana safe

4、tyinspectorlebyprojectmanagertoJISCOsiteforpipeline cleaning.Personnelarrangementisflexibleaccoringtotheactualeman of project proceeing.4、施工機具：清洗泵、4只耐酸清洗槽、吊車、加熱器、水管、玻璃鋼等。5、Operatingtools:cleaningpumps,4anti-acicleaningcrane,heaters, waterpipe.6、 安全措施：涉酸堿作業(yè)，一切工作人員配備安全帽、護目鏡、防毒面具、耐酸堿手套、雨靴、穿戴齊全方可作業(yè)，現(xiàn)場配有

5、5%的蘇打水。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、 廢液收集處理：清洗完畢后，清洗廢液在槽內(nèi)中和后經(jīng)業(yè)主確認(rèn)

6、后排放。9、Collectionofwasteliqui:Aftercleaningproceure,thewastewill beneutrolizeinthetankanischargeaftersafetyconfirmation ofJISCO.二、 具體施工方案三、 Specific operation proceure1、酸洗鈍化工藝：采用脫脂、酸洗鈍化三步分開進行法2、Picklinganpassivationegreasingpicklingpassivation.脫脂高壓水酸洗漂洗鈍化高壓水沖洗吹干封存To be specific: egreasinghigh pressur

7、e water flushingpicklingrinsingpassivationhigh pressure water flushingblowing to ry-covere up.脫脂劑配方：氫氧化鈉 10%、碳酸鈉 50%、表面活性劑 5%Recipeofegreasingagent:NaOH:10%;NaCH50%;activation agent5%.酸洗劑配方：鹽酸 20%、硝酸 50%、緩蝕劑 1%Recipe of pickling agent: HCL20%, Nitric aci 50%,anti-corrosion agent 1%鈍化劑配方：磷酸 50%、氧化鋅 3

8、5%、亞硝酸鈉 2%Passivation agent recipe: Phosphoric aci 50%, Oxyize zinc 35%,亞硝酸鈉 2%3、施工質(zhì)量目標(biāo)：有效去除管道內(nèi)表面、油漬、銹漬、鐵屑等物，形成鈍化膜。4、Target:Removetheimpurities,oilresiues,rustetc.onthesurface of thepipeline.5、溫度控制：脫常溫、酸常溫、鈍加溫506、Temperaturetemp.;pickling-ambienttemp.;passivation-heatupto507、施工質(zhì)量試驗：目視法，管線內(nèi)壁無鮮明銹漬、雜物、

9、油漬形成完整的鈍化膜。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、工程清場及驗收退場Projectclearance,inspectionwithr

10、awal;anClearance;alltooloutofsite,wasteliquibeingneutraliseanischarge.退場：試驗合格，帶管子縫墻運回現(xiàn)場，工程達(dá)標(biāo)完成關(guān)于不銹鋼二期板坯連鑄機液壓、潤滑系統(tǒng)管線的焊接施工方案Welingsolutionforthepipingofhyraulic anlubricationsystemofCon-caster我單位油管焊接采取兩個方案，一個是插入式焊接如下圖所示2 options:one is insert weling,see following rawing:焊接由于此關(guān)于接屬于插入式，不會導(dǎo)致氧化皮進入管內(nèi)，所以，只需要直接焊接即可。Byinsertconnection,thescalewillnotgetintothepipe,then,just wel them.另一種焊接方式屬于關(guān)于接式焊接，如下圖所示Anotherisbuttweling,asshownintherawing:焊接氮氮氬弧焊氣由于此關(guān)于接方式，管內(nèi)易產(chǎn)生氧化皮，故將管內(nèi)充滿氮氣，將管內(nèi)空氣排凈，且焊縫處，氬弧焊