【文章內(nèi)容簡介】 ornozzleflangeshallbeselectedaccordingtoCIBA3rdLineProjectPipingMaterialsClassification(CSTLT1300/H103).裝備口法蘭用單頭螺栓〔雙頭螺栓〕及螺母的材料按照CIBA第3條線工程管道材料等級表〔CSTLT1300/H103)選擇。(3)Gasketforequipmentshellflangeshallbeselectedbythefollowingtable.裝備法蘭用墊片按照下表選擇Table1MaterialsforGirthFlangeGasketsMEDIA介質(zhì)NOMINALPRESS.PN(MPa)公稱壓力FLANGETYPE法蘭方法GASKETMATERIAL墊片材料Hydrocarbons,organicpound碳?xì)浠衔?，無機(jī)化合物PN≤WeldingNeckType焊頸法蘭SpiralWoundGasketHoop:316LFiller:FlexibleGraphite圍繞墊：316L填料：撓性石墨Steam,air,inertgases蒸汽、氣氛及惰性氣體PN≤Anytype任意型Graphitecorrugatedgasket石墨墊(4)MaterialsofgasketsusedfornozzleflangeshallbeselectedaccordingtoCIBA3rdLineProjectPipingMaterialsClassification(CSTLT1300/H103).裝備口法蘭用墊片材料按照CIBA第3條線工程管道材料等級表〔CSTLT1300/H103)選擇。.中國的賣方應(yīng)為壓力部件用的不銹鋼板應(yīng)用出口材料。在此情況下，出口材料的贊成應(yīng)力與GB1501998中的相當(dāng)材料一樣。ASMEMaterialASME材質(zhì)照應(yīng)的GB材質(zhì)304SS0Cr18Ni9304LSS00Cr19Ni10316SS0Cr17Ni12Mo2316LSS00Cr17Ni14Mo2Allmaterialusedforpressurepartsshallbekilledsteel.壓力部件所有的所有材料均應(yīng)為脫氧鋼。FollowingrequirementsshallapplyforVendorsinChina.以下為對中國的賣方的懇求：Q235materialmaybeusedonlyforutilityservicesuchassteam,.按照GB1501998中限度，Q234僅可用豐公用系統(tǒng)上，如蒸汽、氣氛等。Ingeneral,then16MnRmaterialshallbeused.一般情況下，壓力部件碳鋼板應(yīng)用20R跟16MnR鋼鐵。假設(shè)應(yīng)用20R總計厚度逾越12mm，那么應(yīng)用16MnR。負(fù)荷前提及強(qiáng)度打算ThethicknessindicatedonPurchaser’,butinnocase,anyproposedthicknesswillbedecreasedwithoutPurchaser’spriorapproval,evenifithasanextramarginbeyondtherequiredthickness.買方圖紙中指定的厚度為買方建議厚度。賣方應(yīng)加以檢查確認(rèn)以保證買方建議的厚度在指定條件下抵達(dá)強(qiáng)度懇求。假設(shè)賣方認(rèn)為厚度缺乏應(yīng)破刻通知買方，但不管什么情況下買方建議的厚度不得有所添加，即便建議的厚度逾越所需厚度的最大年夜值，除非掉掉落買方贊成。Thehydrostatictestconditionintheinstalledpositionshallbeconsideredfordesignofallvessels.所有容器的打算時應(yīng)考慮安裝后的水壓試驗條件。.風(fēng)力載荷與地能源應(yīng)符合本標(biāo)準(zhǔn)第節(jié)懇求。MaximumallowabletensilestressoffoundationboltsofA307orQ235shallbe100N/mm2forlongtermand150N/mm2forshorttermloadingconditions.A307orQ235材質(zhì)的根底螺栓的最大年夜贊成拉應(yīng)力為：臨時負(fù)荷條件100N/mm2，短期負(fù)荷條件150N/mm2。Localstressesatshellaroundattachmentssuchasnozzle,vesselsupportandliftinglugandsoon,shallbecalculatedandevaluatedwhenrequestedbyPurchaser.如買方有懇求，裝備口、容器支架及吊耳等附件四周殼體的部分應(yīng)力應(yīng)加以打算及估測。Thefollowinggenerallyacceptedcalculationprocedure,ortheequivalent,maybeapplied.可用以下打算次第或相當(dāng)?shù)拇蔚冢?a)焊接研究委員會通告第107期或297期(b)BS5500appendixGBS5500附錄G(c)PressureVesselHandbook()壓力容器手冊〔〕(d)ProcessEquipmentDesign()工藝裝備打算〔〕(e)SpecificationforStressCalculationofSteelChemicalVessel(HG205821998)鋼制化學(xué)容器應(yīng)力打算標(biāo)準(zhǔn)〔HG205821998〕贊成傾向TolerancesshallbeinaccordancewithAppendixA“TolerancesforPressureVessels〞unlessotherwisespecifiedonPurchaser’sdrawings.贊成傾向應(yīng)符合附錄A圖A“壓力容器贊成傾向〞的懇求，除非買方圖紙中另有指定。%ofthenominalthicknessmaybeused,unlessrequestedotherwisebytheapplicablecode.壓力保持部件在成型后的厚度不得小于打算厚度。所用板的贊成傾向不得逾越或公稱厚度的6％，除非相關(guān)標(biāo)準(zhǔn)另有懇求。Theflangefaceofagitatormountnozzleshallbeperpendiculartovesselaxiswithintoleranceof1/。詳細(xì)打算殼體及封頭TheshapetheformedheadshallbeasspecifiedonPurchaser’:1ellipsoidalordishhead(withknuckleradius=)shallbeused.成形加工的封頭外形應(yīng)符合買方圖紙或數(shù)據(jù)表中的規(guī)那么。封頭應(yīng)為2:1橢圓體或碟形〔封頭過渡區(qū)半徑為直徑的倍〕。Thenominalthicknessof2:,thenominalthicknessshallnotbelessthantheminimumrequiredthicknessofconnectingcylindricalshell.2:1橢圓體或碟形封頭的公稱厚度的選擇需保證成型后的最小厚度不小于封頭的最小懇求厚度。同時，公稱厚度不得小于柱形連接處的最小懇求厚度。Gasketcontactsurfaceofgirthflangeshallhaveafinishequivalenttothefollowinginμm.同法蘭外表接觸的墊片的磨光應(yīng)符合以下懇求，單位μm圍繞墊：從至(2)Formetaljacket,solidmetalgasket:金屬包覆墊、固體金屬墊片：及更好的內(nèi)件UnlessotherwisespecifiedinPurchaser’srequisitionsheetsorindicatedonPurchaser’sdrawings,allinternalsareincludedinthescopeofVendor’’sdrawings.除非在買方的需求單或圖紙中另有指定，所有內(nèi)件屬于賣方供給范圍。賣方應(yīng)按照買方圖紙中信息停頓內(nèi)件的打算Unlessotherwisespecified,removableinternalpartsshallbedesignedin.除非另有規(guī)那么，可撤除內(nèi)件在能夠從上方邇來的人孔拿出、放入的情況下盡能夠打算為最大年夜。除了支撐梁外，容器內(nèi)可撤除硬塊的重量平日不逾越40kg。Internalboltssubjecttovibration,fluctuatingload,untiloosewashers,tackwelding,.能夠遭到振動、堅決載荷、攻擊載荷或能源載荷的內(nèi)部螺栓應(yīng)加以保護(hù)防止松動?？刹杉{雙螺母、防松動墊圈、點焊等。Allremovableinternalsshallbecheckedbysuitablemethodstoensuretheirinsertabilityandremovabilitythroughthemanhole.所有可撤除內(nèi)件均需應(yīng)用適當(dāng)?shù)姆椒ㄍｎD檢查以確保其通過人孔的可嵌入性及可撤除性。裝備口及人孔,ifnozzles,reinforcementpads,andmainseamsshouldinterferewitheachother,thesedimensionsmaybechangeduponPurchaser’sapproval.賣方不克不迭修正裝備口及人孔的尺寸。但是，假設(shè)裝備口、加強(qiáng)墊及主梁互相防礙，在事先掉掉落買方贊成后可變更其尺寸。Thetype,ratingandfacingofnozzleflangesshallconformtothosespecifiedinPurchaser’sdrawingordatasheet.裝備口法蘭的典范、等級及端面應(yīng)符合買方圖紙或數(shù)據(jù)表的規(guī)那么。,VendorshallpromptlycontactwithPurchaserforinstruction.賣方不克不迭修正買方指定的裝備口及人孔位置。假設(shè)裝備口與人孔互相防礙或同不的附件有所防礙，賣方應(yīng)及時同買方聯(lián)絡(luò)以獲得教唆。Boltholesinnozzleflangeandmanholeflangeshallstraddleplantnorthsouthlineorvesselhorizontalverticalline.裝備口及人孔法蘭上的螺栓孔應(yīng)為北南線或容器水平垂直線。Eachmanholecoverwithmassover20kgshallbesupportedbyadavitorhingeasspecifiedonPurchaser’.逾越20kg的人孔蓋板應(yīng)按照買方圖紙的規(guī)那么用吊柱或鉸鏈支撐。吊柱或鉸鏈的概略應(yīng)符合容器標(biāo)準(zhǔn)。.等于或小于24英寸的裝備口法蘭應(yīng)符合。.。Incaseanonstandardflangeisdesignedbyvendor,thepanionflangewithbolt,nutandgasketshallbesuppliedwithbyvendor.在賣方打算非標(biāo)法蘭時，應(yīng)同時供給螺栓、螺母及墊片。Theminimumnominalthicknessfo