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管道按公稱壓力和設計溫度分類明細

按管(guan)道(dao)(dao)(dao)的(de)公(gong)(gong)稱(cheng)(cheng)(cheng)壓(ya)(ya)(ya)力劃(hua)分時(shi)，習慣上將真空管(guan)道(dao)(dao)(dao)與低壓(ya)(ya)(ya)管(guan)道(dao)(dao)(dao)合并。凡公(gong)(gong)稱(cheng)(cheng)(cheng)壓(ya)(ya)(ya)力小于2.5MPa的(de)管(guan)道(dao)(dao)(dao)稱(cheng)(cheng)(cheng)為(wei)(wei)(wei)低壓(ya)(ya)(ya)管(guan)道(dao)(dao)(dao)；公(gong)(gong)稱(cheng)(cheng)(cheng)壓(ya)(ya)(ya)力為(wei)(wei)(wei)4～6.4MPa的(de)管(guan)道(dao)(dao)(dao)稱(cheng)(cheng)(cheng)為(wei)(wei)(wei)中壓(ya)(ya)(ya)管(guan)道(dao)(dao)(dao)；公(gong)(gong)稱(cheng)(cheng)(cheng)壓(ya)(ya)(ya)力為(wei)(wei)(wei)10～100MPa的(de)管(guan)道(dao)(dao)(dao)稱(cheng)(cheng)(cheng)為(wei)(wei)(wei)高壓(ya)(ya)(ya)管(guan)道(dao)(dao)(dao)；公(gong)(gong)稱(cheng)(cheng)(cheng)壓(ya)(ya)(ya)力大于100MPa的(de)管(guan)道(dao)(dao)(dao)稱(cheng)(cheng)(cheng)為(wei)(wei)(wei)超(chao)高壓(ya)(ya)(ya)管(guan)道(dao)(dao)(dao)。按管(guan)道(dao)(dao)(dao)工作...

管子按用途、材質、直管工藝分類

按用(yong)(yong)(yong)途分類（表4.1.1）輸送用(yong)(yong)(yong)及(ji)傳熱(re)(re)用(yong)(yong)(yong)：流體(ti)輸送用(yong)(yong)(yong)管(guan)(guan)(guan)(guan)、長輸管(guan)(guan)(guan)(guan)道用(yong)(yong)(yong)管(guan)(guan)(guan)(guan)，石油裂(lie)化用(yong)(yong)(yong)管(guan)(guan)(guan)(guan)，化肥用(yong)(yong)(yong)管(guan)(guan)(guan)(guan)，鍋爐用(yong)(yong)(yong)管(guan)(guan)(guan)(guan)，換熱(re)(re)器用(yong)(yong)(yong)管(guan)(guan)(guan)(guan)等(deng) 結(jie)構(gou)用(yong)(yong)(yong)：普通結(jie)構(gou)用(yong)(yong)(yong)管(guan)(guan)(guan)(guan)，高強結(jie)構(gou)用(yong)(yong)(yong)管(guan)(guan)(guan)(guan)，機械結(jie)構(gou)用(yong)(yong)(yong)管(guan)(guan)(guan)(guan)等(deng) 特殊用(yong)(yong)(yong)：鉆井用(yong)(yong)(yong)管(guan)(guan)(guan)(guan)，高壓氣(qi)體(ti)容(rong)器用(yong)(yong)(yong)管(guan)(guan)(guan)(guan)等(deng)...

半管接頭、焊支管臺、螺紋支管臺及承插焊支管臺強度要求

1.半(ban)管(guan)接頭≤公(gong)(gong)稱直徑50mm和主管(guan)公(gong)(gong)稱直徑的(de)1/4，且設(she)計壓力(li)小于或等于10MPa時(shi)，在接頭端部(bu)處(chu)最小厚(hou)度≥表(biao)3.4.4的(de)厚(hou)度t，并符合圖3.4.9的(de)形式時(shi)，可(ke)免做補強計算。2.選(xuan)用(yong)對焊支(zhi)管(guan)臺(tai)、螺紋支(zhi)管(guan)臺(tai)及(ji)承插(cha)焊支(zhi)管(guan)臺(tai)（見圖3.4.10），應按設(she)計壓力(li)-溫度參數條件整體補強...

焊接支管補強板的計算安裝與工程應用

1.焊(han)接(jie)支管(guan)(guan)(guan)的補(bu)強(qiang)(qiang)計(ji)算（如圖3.4.12所示），應(ying)(ying)符合下列要求。2.支管(guan)(guan)(guan)軸(zhou)線(xian)與主管(guan)(guan)(guan)軸(zhou)線(xian)斜交的結構型式，圖中支管(guan)(guan)(guan)軸(zhou)線(xian)與主管(guan)(guan)(guan)軸(zhou)線(xian)的夾角β應(ying)(ying)介于(yu)45°～90°。主管(guan)(guan)(guan)為焊(han)接(jie)管(guan)(guan)(guan)時，焊(han)縫應(ying)(ying)位于(yu)主管(guan)(guan)(guan)的斜下方(fang)(fang)。3.開孔(kong)補(bu)強(qiang)(qiang)面積的計(ji)算方(fang)(fang)法： ①.主管(guan)(guan)(guan)開孔(kong)需補(bu)強(qiang)(qiang)的面積A41，應(ying)(ying)按...

支管直接焊接到主管不需要進行補強的情況有哪些

符合下列情況(kuang)之一者，不需要進行補強計算，也(ye)不需要采取其他補強措施；（1）直接焊于主管(guan)(guan)上的(de)螺紋及承插焊半管(guan)(guan)箍（半管(guan)(guan)接頭），應(ying)符合下列各項(xiang)要求： ①.支管(guan)(guan)的(de)公稱直徑不應(ying)大于DN50； ②.支管(guan)(guan)的(de)外徑，與(yu)主管(guan)(guan)的(de)外徑之比小于或(huo)等于1/...

支管連接形式的選用與強度計算工程應用

1.某(mou)工程(cheng)施工時，由于某(mou)管(guan)(guan)(guan)(guan)(guan)(guan)道的(de)三通未采(cai)購到，業主(zhu)(zhu)發(fa)聯絡單(dan)讓(rang)管(guan)(guan)(guan)(guan)(guan)(guan)道設(she)計(ji)人員判斷在主(zhu)(zhu)管(guan)(guan)(guan)(guan)(guan)(guan)直接(jie)開(kai)孔焊接(jie)支(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)是否可行。2.支(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)連(lian)接(jie)形式的(de)選用支(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)直接(jie)焊接(jie)在主(zhu)(zhu)管(guan)(guan)(guan)(guan)(guan)(guan)上的(de)支(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)連(lian)接(jie)，除下列情況外，應進行開(kai)孔補(bu)強校(xiao)核，并根(gen)據校(xiao)核結(jie)果采(cai)取相應的(de)補(bu)強措施；支(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)通過(guo)加(jia)強度接(jie)頭與主(zhu)(zhu)管(guan)(guan)(guan)(guan)(guan)(guan)連(lian)接(jie)；支(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)...

法蘭強度的計算與工程應用

1.特殊要求的(de)(de)非標準(zhun)法(fa)(fa)蘭(lan)(lan)可(ke)按GB/T150《壓(ya)(ya)力(li)(li)(li)容器(qi)》進(jin)行設計(ji)。 2.當法(fa)(fa)蘭(lan)(lan)除承(cheng)受內壓(ya)(ya)外(wai)，還(huan)承(cheng)受較大附加外(wai)荷載(zai)(zai)（如重力(li)(li)(li)荷載(zai)(zai)、位移(yi)荷載(zai)(zai)等）時(shi)，可(ke)采用法(fa)(fa)蘭(lan)(lan)的(de)(de)當量(liang)(liang)壓(ya)(ya)力(li)(li)(li)校(xiao)核法(fa)(fa)蘭(lan)(lan)的(de)(de)承(cheng)載(zai)(zai)能力(li)(li)(li)，法(fa)(fa)蘭(lan)(lan)的(de)(de)當量(liang)(liang)壓(ya)(ya)力(li)(li)(li)不宜大于法(fa)(fa)蘭(lan)(lan)的(de)(de)許用工作(zuo)壓(ya)(ya)力(li)(li)(li)。法(fa)(fa)蘭(lan)(lan)的(de)(de)當量(liang)(liang)壓(ya)(ya)力(li)(li)(li)按下(xia)列公式(shi)確定：...

盲板厚度計算與工程應用

（1）夾在(zai)兩法蘭之間的盲(mang)(mang)(mang)板(ban)如圖(tu)3.4.6所示(shi)，其計(ji)算厚度(du)可按式（3.4.22）確定。用整體鋼(gang)板(ban)制造時，式中焊接(jie)接(jie)頭(tou)系數E等于1。對于永久(jiu)性盲(mang)(mang)(mang)板(ban)應按式（3.4.23）增加厚度(du)附(fu)加量。（2）GB／T20801對盲(mang)(mang)(mang)板(ban)厚度(du)計(ji)算要求如下(xia)。（3）某(mou)試壓用盲(mang)(mang)(mang)板(ban)最小厚度(du)計(ji)算工程(cheng)應用某(mou)工程(cheng)計(ji)算試...

平蓋厚度及強度計算方法

1.無拼接焊縫平蓋(gai)厚度應按式(shi)（3.4.20）及(ji)式(shi)（3.4.21）計算。注：①.坡口尺寸應符(fu)合有關的(de)規定。②.用于(yu)公稱壓力小于(yu)或等(deng)于(yu)2.5MPa和公稱直徑(jing)小于(yu)或等(deng)于(yu)400mm的(de)管(guan)道(dao)。③.只用于(yu)水壓試(shi)驗，公稱直徑(jing)小于(yu)或等(deng)于(yu)400mm的(de)管(guan)道(dao)。④.用于(yu)公稱壓力小于(yu)2.5MPa和...

非標準不銹鋼異徑管強度計算方法

1.無(wu)折(zhe)邊的(de)非標準(zhun)不(bu)(bu)銹(xiu)(xiu)鋼(gang)異徑(jing)管（圖3.4.3）的(de)設(she)計(ji)，應符(fu)合(he)下列要求(qiu)。 ①.無(wu)折(zhe)邊的(de)不(bu)(bu)銹(xiu)(xiu)鋼(gang)異徑(jing)管可采用鋼(gang)板卷焊(han)，對偏心異徑(jing)管的(de)焊(han)縫(feng)宜(yi)位于(yu)如圖3.4.3（b）所示的(de)位置(zhi)。 ②.無(wu)折(zhe)邊不(bu)(bu)銹(xiu)(xiu)鋼(gang)異徑(jing)管的(de)設(she)計(ji)壓力，應符(fu)合(he)規范的(de)規定。&n...

不銹鋼三通壁厚及強度計算方法

不(bu)銹鋼三通(tong)強度的(de)(de)計(ji)算(suan)通(tong)常采用(yong)原西德(de)鍋(guo)爐規范(fan)TRD301中的(de)(de)壓(ya)力面積法計(ji)算(suan)公式。這種計(ji)算(suan)方法是在實驗基礎上(shang)（爆破試驗等）通(tong)過理(li)論分析推導而(er)得，并經(jing)工程(cheng)實踐驗證，因此是可靠的(de)(de)。不(bu)銹鋼三通(tong)產品標(biao)準主要選用(yong)ASMEB16.9等標(biao)準。ASMEB31.3對各種不(bu)銹鋼三通(tong)、焊(han)...

斜接彎管壁厚及強度計算方法

1.斜接彎(wan)(wan)頭（蝦(xia)(xia)米(mi)彎(wan)(wan)、蝦(xia)(xia)米(mi)腰）是(shi)常見(jian)的一種彎(wan)(wan)管型式。計算方法同ASMEB31.3-致。對蝦(xia)(xia)半腰的使用范(fan)圍及結構(gou)上的要(yao)求，國內(nei)外規定不(bu)一致。國內(nei)通常要(yao)求蝦(xia)(xia)米(mi)腰使用在溫(wen)度及壓力不(bu)太(tai)高的情況下。ASMEB31.3規定斜接角大于(yu)(yu)22.5°時(shi)，不(bu)得(de)使用于(yu)(yu)劇(ju)烈循環工況；斜接...

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香蕉视频app破解码

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