【正文】 (ormanholes)fromcenterlineofvesselisspecifiedonVesselDrawing,measurementsshallbemadeasshownin4c(or5c).即便在容器圖紙中指定了平復(fù)器中心線到裝備口〔或人孔〕法蘭面的間距，應(yīng)按照4c〔。,2band3arenotappliedtodistortioncausedbyweldingforattachingparts,suchasnozzles,supportrings,fittingorotherraisedparts.在2a、2b、3中所示的贊成傾向不有用于因?qū)⒏郊踩缪b備口、支撐環(huán)、凸耳及不的配件〕焊接到殼體及封頭上所發(fā)作的變形。這里給出的贊成傾向有用于破式容器及臥式容器。以容器圖紙中指出的贊成傾向?yàn)橹?切線.除非另有規(guī)那么，所有尺寸及贊成傾向均以mm計(jì)。備注,alldimensionsandtolerancesaregivenin(mm).62100D2100177。.,(D)公稱內(nèi)徑Tolerances贊成傾向Dsaddle:從切線到承臺(tái)螺栓孔中心的間距:177。6saddle3177。≤螺栓圓周直徑及螺栓孔間距：從切線到支撐耳的間距:177。≤1000010000D≤≤≤≤.,(D)公稱內(nèi)徑Tolerances():6177?！軓那芯€到基座底的間距〔側(cè)緣或支腿高〕SADDLES)]任意一對(duì)卡具的間距:177。到參考中心線的方位:177。到切線的位置:177。1/4176。方位傾向裝備口間距:177。connectedtoreboiler)任意一對(duì)裝備口〔如液位計(jì)裝備口及連接到重沸器的裝備口〕:(relatedtotrays)fromtraysupportring:177。人孔法蘭面對(duì)中:177。人孔法蘭面到殼體外外表:177。人孔從參考中心線的方位:177。人孔到切線的位置:177。6:177。10螺栓孔圓周內(nèi)直徑傾向：最大年夜(orbottom).1/2176。566裝備口、人孔及不的附件.最大年夜25≤30000長(zhǎng)度Tolerances總長(zhǎng)下測(cè)量值〔從底到頂部切線〕：曲折度〔殼體外外表與直線的傾向〕(1)177。%.(bydirectmeasurements):10177。7177。5177。1000010000D177。80008000D60006000D40004000D21002100D12001200D贊成傾向D內(nèi)徑〔通過圓周測(cè)量法斷定〕40≤30000177。長(zhǎng)度Tolerances13，或每1000為，但不克不迭逾越以下數(shù)值13or177。.:附錄A圖表：壓力容器贊成傾向[SHELLSANDHEADS]NovesselsshallbereleasedforshipmentfromVendor’sshopuntilithasbeenapprovedbyPurchaser’sinspector.再未經(jīng)買方檢查人員贊成前不得將容器從賣方車間運(yùn)出。InternalswithinVendor’sscopeofsupplyshallbeinstalledandassembledatVendor’sshopbeforeshipping,unlessotherwiseinstructedbyPurchaser.在運(yùn)輸前，賣方供給的內(nèi)件應(yīng)在賣方車間安裝好，除非買方另有教唆。TemplatesandfoundationboltingshallbeshippedseparatelyfromthevesselsaccordingtoPurchaser’sinstruction.樣板及地足螺栓應(yīng)按照買方指導(dǎo)同容器離開運(yùn)輸。.所有法蘭口應(yīng)裝備最小厚度為的帶墊片的螺栓連接鋼蓋板。Allvesselsshallbedriedupbydrainingandairblowing,thoroughlycleanedinsideandoutsideandfreeofalldirtandlooseforeignmaterialsbeforeshipping.在運(yùn)輸前所有容器應(yīng)應(yīng)用排水及吹掃的方法停頓單調(diào)，完好清理內(nèi)外部，去除灰塵及異物。概述PackingandshippingshallbeinaccordancewithEngineeringSpecificationR453“PackingandTransportation〞andthefollowingadditionalrequirements.包裝及運(yùn)輸及符合工程標(biāo)準(zhǔn)R453“包裝及運(yùn)輸〞及以下附加懇求：Allremovablepartsshallbeidentified..按照中國(guó)法則制造的壓力容器應(yīng)按照規(guī)章懇求裝備銘牌及標(biāo)識(shí)牌。EachPressureVesselsshallbemarkedinaccordancewithVesselStandardD123.每臺(tái)壓力容器應(yīng)按照容器標(biāo)準(zhǔn)D123停頓標(biāo)識(shí)。墊片的外表，見不銹鋼及高合金鋼的外表不需刷漆。Notpainted.Asarule,allexternalsurfaceofvesselsshallbepaintedinaccordancewithCIBA3rdLineProjectPipingMaterialsClassification(CSTLT1300/O301),exceptthefollowing.作為規(guī)那么，除了以下情況所有容器的外外表應(yīng)按照CIBA第3條線工程管道材料等級(jí)表〔CSTLT1300/O301〕的懇求停頓刷漆。禁止將銘牌裝在可撤除部件上。銘牌.,PAINTINGANDMARKING在試驗(yàn)后，容器內(nèi)的水應(yīng)排擠并對(duì)容器停頓單調(diào)?？傮w懇求Thegasketfacesofgirthflangesshallbemachinedafterfinalheattreatment.在最終熱處理后翼緣法蘭的墊片的端面應(yīng)停頓加工。NoweldingshallbeperformedonvesselsafterthefinalpostweldheattreatmentwithoutPurchaser’sapproval.未掉掉落買方贊成，在最終焊后熱處理后不得在容器長(zhǎng)停頓任何焊接。Unlessotherwisestated,postweldheattreatmentshallbecarriedoutinaccordancewiththeapplicablecodesorstandards.除非另有規(guī)那么，應(yīng)依拍照關(guān)標(biāo)準(zhǔn)或標(biāo)準(zhǔn)的懇求停頓焊后熱處理。.在停頓碳鋼及低合金鋼的焊接時(shí)應(yīng)停頓預(yù)熱。Weldingproceduresshallbeselectedtominimizetheresidualstressesinsofaraspractical.在選擇焊接工藝時(shí)應(yīng)使剩余應(yīng)力最小化。Weldingelectrodesandwiresshallhavechemicalpositionsandmechanicalpropertiesequaltoorofhighergradethanthebasematerial.焊條及焊絲的化學(xué)要素及呆板功用應(yīng)同母材的等級(jí)一樣或更高。在兩遍對(duì)接焊不真實(shí)際的情況下，可應(yīng)用一遍對(duì)接焊，但需保證完好焊透。焊接在應(yīng)用高合金鋼或無鐵材料時(shí)，可用浸透探傷停頓檢測(cè)。,liquidpenetratemethodcanbesubstituted.在成型過程中需求臨時(shí)附件，應(yīng)應(yīng)用同主焊縫的一樣焊接次第將臨時(shí)附件焊到殼板上。Aformedheadshallgenerallybemadeofsingleplate.成型的封頭平日應(yīng)用單板制造。Austeniticstainlessforgingshallrequiresolutionheattreatnment.奧氏體不銹鋼的鍛造需停頓熱處理。假設(shè)必須應(yīng)用熱成型，應(yīng)按照買方贊成在成型落伍展熱處理。成型Longitudinalandcircumferentialweldedseamsshallbekeptoutoftheinternalweldsinsofaraspractical,andshallbesolocatedthattheycanbeeasilyinspectedwithinternalsinplace.縱向及環(huán)向焊縫應(yīng)避開內(nèi)部焊縫，且在內(nèi)件安裝后便于檢查。Longitudinalweldedseamsonadjacentshellsegmentsshallbeseparatedbyatleast4timesthewallthicknessofthethickerplatebutnotlessthan100mm.相鄰殼段上的縱向焊縫應(yīng)相隔最厚板壁厚的4倍但不小于100mm。假設(shè)通過贊成焊縫被加強(qiáng)板或支承墊掩飾，在焊接加強(qiáng)板或支承墊前應(yīng)對(duì)焊縫停頓打磨并探傷。saddlesaddleShellplatesshallbelaidoutsothattherewillbeaminimumofweldedseams.殼板布置應(yīng)使焊縫最小制造在打算時(shí)應(yīng)將最小攻擊系數(shù)考慮在內(nèi)。吊耳及凸耳的材料及同殼體焊接的次第及檢測(cè)方法應(yīng)細(xì)心檢查。不的關(guān)于滿意表格所有條件，如最大年夜重量、承臺(tái)高度、強(qiáng)度打算等的容器，能夠不報(bào)買方。saddle支撐Threadsofboltsandnutsshallbecoatedbeforeinstallationwithantigallingagent.在安裝前螺栓的螺紋及螺母應(yīng)用防磨損劑包覆。所有裝備口法蘭及翼緣法蘭螺栓應(yīng)為雙頭螺栓。假設(shè)螺栓尺寸為M27或以下，應(yīng)用公制粗牙螺紋。Unlessotherwisespecified,metriccoarsescrewthreadsshallbeused.除非另有規(guī)那么，壓力容器所用的所有螺栓的螺紋應(yīng)為ISO公制。ForlengthofthenozzleseeVesselStandardD123.裝備口的長(zhǎng)度見容器標(biāo)準(zhǔn)D123,NutsandGasketsNozzlesforlevelgaugeandotherlongprojectionnozzlesshallbereinforcedbybarsofsuitablesizetoresistbendingmomentonnozzles.液面計(jì)及不的長(zhǎng)頸裝備口應(yīng)應(yīng)用適當(dāng)尺寸的條棒停頓加固以防止裝備口撓矩。≥1200mm.≥ForVendorsinChina,thefollowingforgingsshallbeofClassIIIorhigher,otherforgingsshallnotbeoflessthanClassII.關(guān)于中國(guó)的賣方，以下鍛件應(yīng)為III級(jí)或以上，不的鍛件不應(yīng)小于II級(jí)。Material材質(zhì)NozzleSize裝備口尺寸NeckThickness頸部厚度Carbonsteel碳鋼DN≤2〞Sch80DN2〞Sch40Stainlesssteel不銹鋼DN≤6〞Sch40sDN6〞Sch10sTheminimumnominalthicknessfornozzleneckshallbeinaccordancewiththefollowingtable.裝備口頸部的最小公稱厚度應(yīng)符合下表：表2Incaseanonstandardflangeisdesignedbyvendor,thepanionflangewithbolt,nutandgasketshallbesuppliedwithbyvendor.在賣方打算非標(biāo)法蘭時(shí)，應(yīng)同時(shí)供給螺栓