斜板澄清池作业指导书中英最终上报Word格式文档下载.docx

斜板澄清池作业指导书中英最终上报Word格式文档下载.docx

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3作业方法及工艺要求……………………………………………………………………4

3OperationMethodandTechnologyRequirements

4安全卫生及环境管理…………………………………………………………………8

4Safetyandhealth&

environmentalmanagement

一、编制依据

I.CompilationFoundation

1.1工程招标相关文件；

1.1Relatedfilesaboutprojectbidding

1.2和设备厂家的相关设计图纸技术资料；

1.2Designinstituteandrelateddesigndrawingsandtechnicaldocumentationofequipmentmanufacturer.

二、作业任务

IIOperationtask

2.1作业围

2.1Scopeofoperation

2.1.1本工程为公用系统斜板澄清池二台。

2.1.1Twopublicsystemwatertreatmentplantsareusedinthecurrentproject.

2.2作业准备和作业条件

2.2Operationpreparationandcondition

2.2.1人员配备：

2.2.1Personnel:

施工负责人：

1人Constructiondirector:

1冷作工：

4人Coldworkman:

4

技术负责人：

1人Technicaldirector:

1焊工：

4人Welder:

2.2.2主要工器具的配备

2.2.2Mainmachines&

toolsprovided:

50T汽车吊1台

Truckcraneof50T1

5T手动葫芦3件

Chainblockof5T3

水平仪1台

Levelgauge1

电焊机4台

Electricweldingmachine4

磨光机4台

Polisher4

30m钢卷尺2把

Steeltapeof30m2

三、作业方法及工艺要求

IIIOperationmethodandtechnologyrequirements

3.1基础验收

3.1Acceptanceofthebase

根据土建单位移交的交工资料及设备布置图、安装图对基础进行验收，基础表面应平整，无裂纹、孔洞、蜂窝、麻面和露筋等现象，所有基础表面的模板、地脚螺栓固定架及露出于基础外的钢筋等必须撤除，杂物及污水等应清理干净。

对基础的外形、几何尺寸、位置进行复查，并应符合要求。

Tocheckandacceptthebaseaccordingtothedeliverymaterialandequipmentarrangementdrawinghandedoverbycivilengineeringunit,andthebasesurfaceshouldbeflat,phenomenaofcrack,holes,honeycomb,pittedsurface,reinforcementexposionarenotallowedtoexist,alltemplates,anchorboltsupportandreinforcementrevealingoutsidethebasemustberemoved,sundriesandsewageshouldbecleaned.Theshape,geometricdimensionandlocationofthebaseshouldberecheckedandmeettherequirements.

3.2底斗拼装

3.2Installationofbottomhopper

3.2.1底斗钢板的平整度和外形尺寸，外形尺寸超标的要进行修正，变形量超出标准要求的要进行校正。

3.2.1ForflatnessandappearancedimensionofBottomhopper,thedimensionwhichissubstandardshouldbecorrected,anddeformationwhichdoesn’tcomplywiththestandardrequirementshouldberectified.

3.2.2钢板检查合格后，进行钢板与加固角钢的焊接。

3.2.2Aftersteelplateinspectionresultturnsouttobequalified,toconductweldingofsteelplateandreinforcementanglesteel.

单块板焊接完后，检查矫正变形量，合格后进行底斗的拼装焊接。

Aftersingleplateiswelded,tocheckthedeformationdegreeofrectification,iftheresultisqualified,toassemblyandweldthebottomhopper.

3.3水箱壳体安装

3.3Installationofwatertankshell

（1）筒壁垂直度偏差、筒壁焊缝间隙、坡度及错口量、筒壁上平面高差，严格按图纸施工，误差控制在最小围。

（1）Verticaldegreedeviationofshellwall,weldingspaceofshellwall,gradientandstaggeredjointvalue,planeheightdifferenceontheshellwallshouldbeconstructedstrictlyaccordingtothedrawingtoensuretheminimumerror.

（2）有关人员检查符合要求后，焊工即可在水箱壁外侧进行纵缝施焊，先焊外侧焊缝，后进入水箱施焊侧焊缝，施焊完毕后进行焊缝检验。

焊工焊接时必须执行有关焊接规，采用分段退焊法施焊。

（2）Afterrelevantpersonnelcheckthewallplateweldingqualityandmakesureitmeetstherequirements,weldercanweldlongitudinalseamoutsidethewatertankshell,toweldweldingseamoutsideandthenenterintothetanktoweldweldingseaminside,thentoinspectweldingseamafterweldingiscompleted.Weldermustimplementweldingprocedureduringweldingbyusingsegmentalbackweldingmethod.

3.4焊缝质量控制

3.4Weldingqualitycontrol

（1）焊条采用E7018.

（1）ElectrodeE7018isadopted

（2）壳体上纵、环形焊接接头的对口错边量b（见下图）应不大于下表的规定。

（2）Alignmentdeviationvalueb（seethepicturesasbelow）oflongitudinalandannularweldingjointoftheshellshouldnotgreaterthanthevalueregulatedbythetablebelow.

（3）制造中应避免钢板表面的机械损伤，对严重的尖锐伤痕应进行修磨，对壳体用板的修磨深度不得超过名义厚度δn的10％，且不大于2mm，并使修磨围均匀适度，不得有突变。

超出规定的修磨深度，允许采用焊补，但焊补后还应满足本条的要求。

（3）Mechanicaldamagetosteelplateshouldbeavoidedinthefabrication,serioussharpbruiseshouldbepolished,thepolishingdepthoftheshellshouldnotexceed10%ofnominaldepthandnotgreaterthan2mm,andmakethepolishingareaevenandproperwithoutabruptchange.

Astopolishingdepthwhichexceedsregulatedpolishingdepth,itisallowedtoadoptrepairingwelding,butafterrepairwelding,itstillshouldmeettherequirementofcurrentarticle.

（4）相邻两层壁板的纵向接头应相互错开且不得小于500mm

（4）Longitudinaljointbetweenadjacenttwolayershellshouldbeseparateddistanceshouldnotbelessthan500mm.

（5）箱壁纵向接头采用全熔透的对接形式，箱壁横向接头采用全熔透的对接形式

（5）Longitudinaljointsoftankwallshouldadoptfullpenetration’sconnectionform.Transversejointsattankwallshouldadoptfullpenetration’sconnectionform.

（6）壁板剪裁在长度方向上不得小于1500mm，在宽度方向上不得小于500mm。

（6）Clippingofwallboardonthelengthdirectionisnotlessthan1500mm,andthatonwidthdirectionisnotlessthan500mm

（7）焊缝高度K等于被焊件的最小厚度。

（7）The“K”ofweldbeadheightshallbeequaltobeminimumthicknessoftheweldingunit.

3.6盛水试验

3.6Fullwatertest

（1）试验前应将焊接接头的外表面清除干净，并使之干燥。

试验中焊接接头应无渗漏。

如有渗漏修补后应重新试验。

试验完毕应立即将水排净，并使之干燥。

Weldingjointsurfaceshouldbecleanedanddriedbeforetestisconducted.Theweldingjointshouldhavenoleakageduringthetest.Ifleakageoccurs,testshouldbeconductedagainaftertherepairiscompleted.Watershouldbedischargedcompletelyandthejointshouldbedriedafterthetestisover.

（2）箱底的严密性，应以充水试验过程中池底无渗漏为合格

（2）Thebottomoftank’srigidityisqualifiedaccordingthatthebottomdoesn’tleakduringwaterfillingtest

（3）池壁的强度及严密性试验，应以充水在设计最高液位并保持24小时后，箱壁无渗透漏，无异常变形为合格

（3）Intensityandrigidityoftankwallshouldbetestedafterthewaterisonhighestlevelandkeeps24hours.Thetankwallisqualifiedwhichdoesn’tleakandabnormaldeform.

（4）设备严密性水压试验，即将设备充满水，用1～1.5kg锤子沿焊缝（距焊缝30～50mm处）轻轻敲打，盛水时间不少于24小时，检验焊缝不应漏水

（4）Theequipmentcarryrigiditytest,thatistheequipmentfillswaterandbeatsallwelds（distancethewelds30~50mm）slightlyusinghammer（1-1.5kg）,thefillingtimeislessthan24hours,andthetestingweldsdon’tleak

3.7油漆防腐

3.7Paintanticorrosion

（1）斜板澄清器壁油漆：

（1）Innerwallpaintofwatertreatmentplant

类别

Category

名称

Name

层数

Numberoflayer

干膜厚度

Dryfilmthickness

底漆

Primer

环氧富锌底漆

Epoxyzincrichprimer

2

60um

中间漆

Middlepaint

环氧树脂云母氧化铁漆

Epoxyresinmicaoxidationironpaint

80um

面漆

Finish

环氧树脂漆

Epoxypaint

3

100um

（2）斜板澄清器外壁油漆Outerwallpaintofwatertreatmentplant

环氧树脂云母氧化铁漆

丙烯聚氨脂面漆

Propylenepolyurethanefinish

40um

四、安全卫生与环境管理

IVSafetyandhealth&

4.1参加施工人员应进行安全教育，合格后方可进入施工现场。

4.1Constructionpersonnelshouldreceivesafetyeducation,theyareallowedtoenterconstructionsiteonlyiftheyarequalifiedinsafety.

4.2.施工现场人员必须正确佩带安全帽，严禁穿拖鞋、凉鞋、高跟鞋或带钉的鞋，严禁酒后进入施工现场。

4.2Constructionsitepersonnelmustwearsafetyhelmetcorrectly,slipper,sandal,high-heeledshoesorspikedshoesareforbiddentowear,andanyonewhodrinkswineisforbiddentoenterthesite.

4.3作业必须系好安全带，挂在上方牢固处。

高空作业的脚手架应搭设牢固，临空面应设置防护围栏和安全网。

4.3Constructionpersonnelmustfastensafetybeltduringoperationandhangthebelttotightplaceabovehim.Scaffoldingshouldbeerectedtightlyinaloftoperation,protectivefencingandsafetynetshouldbeinstalledonthefreefaceofscaffolding.

4.4吊车起吊不得超负荷起吊，吊运钢板时，卡具应有足够的强度和可靠性，并设防割措施，吊点应选择适当，防止滑落脱钩翻转伤人，行走时，注意长度方向及左右3米不准有人，吊运人员随钢板在宽度方向一侧扶钢板行走，以稳定钢板，钢板起吊高度不准超过一米。

4.4Thecraneshouldnothoistoverload,whensteelplatesarehoisted,fixturesshouldbestrongandreliableenough,andcuttingresistancemeasuresshouldbetaken,hoistingpointshouldbeproperlychosentopreventhookslidingandrollingovertohurtpeople,whilepeoplearewalking,payattentiontothelength,directionofthehoistarmandpeoplearenotallowedtoappearwithin3mofleftandrightsidesofthearm,hoistingpersonnelshouldleanagainststeelplates,walkingalongtheorientationsteelplatewidthdirectatinordertostabilizesteelplate,hoistingheightofsteelplatesmustnotbemorethan1m.

4.5.构件组合时，吊点应选择合理并焊牢，确认无误后方可起吊，组件吊运时应有专人指挥，指挥信号清晰、明确、吊件下及周围严禁有人，组合时两组件必须点焊牢固，并有牢固的支撑，确认无误后方可松钩。

4.5Whencomponentsarecombined,hoistingpointshouldbechosenproperlyandweldedtightly,tomakesurethepointisaccurateandthenstarthoisting,speciallyassignedpersonshouldcommandasidewhencomponentsarehoisted,commandingsignalshouldbeclearanddefinite,peoplearenotforbiddentoappearunderoraroundhoistingcomponents,twocomponentsmustbespotweldedtightlywhentheyarecombined,andfirmsupportsarerequired,tomakesurethespotweldingaccurateandsupportsareinplace,andthenhookcanbeloosen.

4.6.大件翻转时吊点选择合理，并设专人指挥、专人监护，并特别注意把吊耳焊牢，经检验合格后方可起吊，起吊时必须缓慢，翻转时起吊不得太高，放下要平，并设有防止滚动的设施。

4.6Hoistingpointshouldbechosenproperlywhenlargecomponentsarerolledover,speciallyassignedpeopleshouldcommandandsuperviseaside,andpaymuchattentiontoweldinglugtightly,thenstarthoistingafteritischeckedtobequalified,itisadvisedtohoistslowly,donothoisttoohighlywhenthecomponentsarerolledover,andhoistthemdownstably,androllingresistancefacilitiesshouldbeinstalled.

4.7.在组焊时，所搭设脚手架及临时支撑必须牢靠，攀登时设专人监护。

4.7Whenassemblyweldingisconducted,scaffoldingandtemporarysupportsmustbereliable,whenpersonnelisclimbing,speciallyassignedpersonshouldsupervise.

4.8工件吊起就位安装时，由起重工一人统一指挥，并在工件适当位置栓好溜绳。

4.8Whenworkpieceishoistedandinstalled,oneliftingworkerisrequiredtogiveunifiedcommandandfastenslideropeatproperpositionofworkpiece.

4.9安装时工件就位，但在未牢固之前，不得摘钩。

4.9Workpieceshou