管道和管道之間的間距表

PAGE -PAGE1-1總則1.0.1本標準適用于不保溫管道和保護層為鍍鋅鐵皮或鋁合金板的保溫架空管道。表中數(shù)值為架空管道的最小間距。1.0.2本標準根據(jù)中國石油化工總公司標準《石油化工企業(yè)管道設(shè)計通則》（SHJ12-89）中第三章第二節(jié)管道間距的規(guī)定。并按院標《設(shè)備和管道隔熱材料及其厚度選用規(guī)定》（BA2-3-9-94）中的管道保溫經(jīng)濟厚度選用表（表-4）所規(guī)定的保溫材料及其厚度進行計算的管道最小間距。1.0.3執(zhí)行本標準時，尚應(yīng)符合現(xiàn)行有關(guān)標準規(guī)定的要求。1.0.4本標準代替《管道間距表》（BA3-3-6-89）。2管道間距的確定2.0.1本標準依據(jù)機械行業(yè)標準PN2.5MPa《凸面對焊鋼制管法蘭》（JB/T82.1）和PN4.0MPa《凹凸面對焊鋼制管法蘭》（JB/T82.2）中系列1法蘭外徑計算管道間距。2.0.2在管架上并排布置的管道不論有無保溫，凈距均取50mm,法蘭外緣與相鄰的凈距取25mm。2.0.3管道外壁或管道隔熱層最突出部分，距管架或框架的支住、建筑物墻壁的凈距取100mm。2.0.4并排布置的架空相鄰管道，若選用不同保溫材料，且介質(zhì)溫度不同時，可按2.0.2、2.0.3給出的凈距進行計算。2.0.5有側(cè)向位移的管道；要求保溫的法蘭、閥門、管道配件和管溝內(nèi)并排布置的管道，應(yīng)加大管道間距。3管道間距表3.0.1不保溫管道間距見表3.0.1。3.0.2保溫管道間距a)巖棉、硅酸鋁棉復(fù)合管殼保溫管道間距見表3.0.2-1。b)巖棉管殼、縫氈保溫管道間距見表3.0.2-2。c)硅酸鈣管殼保溫管道間距見表3.0.2-3.6不保溫管道間距表表3.0.1單位:mm適用于無法蘭不保溫管道管中心至公稱δ保溫厚度墻壁距離直徑600500450400350300250200150100805040252015DN公稱直徑SDN630530480426377325273219168114896048342722DH管外徑12015380330300280250230200180150120110100908080807706005301202038033031028026023020018015013011010090908067072050048012025390340310280260230210180160130120100100906106506904504501304039034032029027024022019016014012011010057059062067040043013050400350320300270250220190170140130110510550560600640350390150804103603403102902602402101801601404504805205305706103003601601004303803503203002702502202001703904204605005105405902503301901504504003803503303002802502203303604004304704805205602002902102004804304003803503303002702603003403704004404604905401502502402505104604304003803503302002402703103403804204304605101002202703005304804604304103801701902202603003303604004204505008020029035056051048046043014016018021025028032035039040044048050190320400580530510480130140150170200240280310340380400430480401803404506105605301001201301501602002302703003403803904204702516037050063058010010012013014016019023027030033037039042047020160420600680909010012012014016019023027030033037038042046015150管外徑DH222734486089114168219273325377426480530630DNS公稱直徑DN152025405080100150200250300350400450500600公稱管中心至保溫厚度δ直徑墻壁距離適用于有法蘭不保溫管道注:DN600法蘭為PN2.5MPa,其余為PN4.0MPa。保溫管道間距表表3.0.2-2單位:mm適用于巖棉、硅酸鋁棉復(fù)合管殼≤200℃管中心至公稱保溫1009090807070707060605050404040δ保溫厚度墻壁距離直徑厚度500450400350300250200150100805040252015DN公稱直徑SDNδ530480426377325273219168114896048342722DH管外徑1501540470430410370340310280260220210180180160160160160204048045042038034031029026022021019018016016082012050049016025404904504203803403202902602302201901801707708001204504601804050490480430400360330310280230230210200720750770120400440180505051047045040037034031029025024021063068070073010035039021080605305004704303903603403102802605806106506807001003003702201006055051048044040038035032029053055058062065068010025034026015070580550520480440410390360450490520540590610640902003002802007061057055050047044041040043047049052056060061090150280310250706506105805304904703303703904304504805205505808010024034030070670640610560520280310340370410430460500530550708022037035080700660640590250270290330350390420440490510540705020041040090720690660220240250280310340380400430470500520604019043045090750710210220230250270310330370390420460490520602518047050010078018020020022023026029032036038041045048050050201701801801902002202302502903203503804004504705005015170管外徑DH222734486089114168219273325377426480530保溫DNS公稱直徑DN152025405080100150200250300350400450500厚度公稱管中心至保溫厚度δ505060607070809090100100100120120120δ直徑墻壁距離適用于巖棉、硅酸鋁棉復(fù)合管殼≤300℃注：DN>350時保溫材料料巖棉縫氈。保溫管道間距表表3.0.2-3單位:mm適用于硅酸鈣管殼≤150℃管中心至公稱保溫808080807070706060605050404040δ保溫厚度墻壁距離直徑厚度500450400350300250200150100805040252015DN公稱直徑SDNδ530480426377325273219168114896048342722DH管外徑160154045042040037034031029025022021019018016016016016020404504304003803403202902502302101901801701708001105004801602540460430400380340320290260230220190190170750780110450450180405047045042040036034031027025023021020077073075011040043018050504804504304003703403102802502402106506807007301103504002108060500480450430390370340300280260580620640670690100300370220100605204904604404003803503202905305505906106406701002503402501506054052049047043041038034045049052055058060063090200300280200705805505305004704404104004304604905305505806009015028031025070620580550530490470330370390430450490510540570801002403403007063061058056052030032035038042044048050053055080802303703508067064062059025028029033035039042045048050053070502004004008069067064022024026028031034037040044046049051060401904204508072069021022023025027030033037039043045048051060251804505008074018020020022024026029031035038042044047049050201701801801902002202402502903103503804104404604905015170管外徑DH222734486089114168219273325377426480530保溫DNS公稱直徑DN152025405080100150200250300350400450500厚度公稱管中心至保溫厚度δ505060607080809090100100110110110110δ直徑墻壁距離適用于硅酸鈣管殼≤250℃保溫管道間距表表3.0.2-3單位:mm適用于硅酸鈣管殼≤350℃管中心至公稱保溫130130130130120120110110100908080707060δ保溫厚度墻壁距離直徑厚度500450400350300250200150100805040252015DN公稱直徑SDNδ530480426377325273219168114896048342722DH管外徑1801560520490470440410380350320280260240230210210200190207053051048046042039036033030027025024023022090016050053019025705405104804604204003603403002802502502308508801604505002104080550530500480440410380350320290270260780820840150400470210508056053051048045042038036032030027073076079082015035044024080905805605305104704504103803503206607007207607801403004102601001006105805505304904704304103706106306706907307601402503803001501106406205905705305004704405305706006306606907201302003403202001106706406205905605304904605005305606006206606801201503103602501207106806506305905703904304605005205605806206501101002703603001207307106806606203403704004404805005405606006201008025042035013077074072069029032034038041045048051054057060090502204504001307907707402802903103403704104404705105305705909040220470450130820790250270270300320360390430450490510550580802520050050013084022024025026028031034038041044048050054056070201902202202302502602803003403804104404705005305607015190管外徑DH222734486089114168219273325377426480530保溫DNS公稱直徑DN152025405080100150200250300350400450500厚度公稱管中心至保溫厚度δ7070809090100110120130140140150150160160δ直徑墻壁距離適用于硅酸鈣管殼≤450℃續(xù)表3.0.2-3單位:mm適用于硅酸鈣管殼≤550℃管中心至公稱保溫180180180170170160150140130120110100909080δ保溫厚度墻壁距離直徑厚度500450400350300250200150100805040252015DN公稱直徑SDNδ530480426377325273219168114896048342722DH管外徑20015805905605405004804404103703303102902702502502402102090600580550520490450420380350320300280270260980200500570210259061058055052049046042039035033030029027093096020045054023040100620600570540510470440400370340320300860900920190400510240501106406105905505304904504203803603308108408709001903504802708012066064061058055052048044041