Mphamvu ndi Kudalirika kwa Mapaipi Opangidwa ndi Hollow-Section: Kuyang'ana Mozama Paipi Yozungulira Yokhala ndi Arc Welded ndi API 5L Line Pipe
Yambitsani:
Mu dziko la zomangamanga ndi chitukuko cha zomangamanga, kusankha zipangizo zoyenera n'kofunika kwambiri.Mapaipi opangidwa ndi gawo lopanda kanthu Zimagwira ntchito yofunika kwambiri popereka mphamvu, kulimba komanso kudalirika ku mapulojekiti osiyanasiyana. Mu blog iyi, tifufuza makhalidwe ndi ubwino wa mitundu iwiri yofunika kwambiri ya chitoliro chomangidwa: chitoliro chozungulira chozungulira cholumikizidwa ndi arc ndi chitoliro cha mzere wa API 5L.
Chitoliro cholumikizidwa chozungulira chozungulira:
Chitoliro cholumikizidwa ndi arc welded (SAW) choviikidwa m'madzi, chomwe chimadziwikanso kuti chitoliro cha SSAW, chimagwiritsidwa ntchito m'njira zosiyanasiyana. Mbali yapadera yaChitoliro cha SSAW ndi mipata yake yozungulira, yomwe imapereka mphamvu zambiri komanso mphamvu zonyamula katundu poyerekeza ndi mitundu ina ya chitoliro. Kapangidwe kake kapadera kameneka kamathandiza kugawa kupsinjika mofanana mu chitoliro chonsecho, zomwe zimapangitsa kuti chikhale choyenera ntchito zomwe zimafuna kukhazikika kwa kapangidwe kake.
Kapangidwe ka makina a chitoliro cha SSAW
| kalasi yachitsulo | mphamvu yocheperako yopezera phindu | mphamvu yochepa yolimba | Kutalikitsa Kochepa |
| B | 245 | 415 | 23 |
| X42 | 290 | 415 | 23 |
| X46 | 320 | 435 | 22 |
| X52 | 360 | 460 | 21 |
| X56 | 390 | 490 | 19 |
| X60 | 415 | 520 | 18 |
| X65 | 450 | 535 | 18 |
| X70 | 485 | 570 | 17 |
Kapangidwe ka mankhwala m'mapaipi a SSAW
| kalasi yachitsulo | C | Mn | P | S | V+Nb+Ti |
| % Yokwanira | % Yokwanira | % Yokwanira | % Yokwanira | % Yokwanira | |
| B | 0.26 | 1.2 | 0.03 | 0.03 | 0.15 |
| X42 | 0.26 | 1.3 | 0.03 | 0.03 | 0.15 |
| X46 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X52 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X56 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X60 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X65 | 0.26 | 1.45 | 0.03 | 0.03 | 0.15 |
| X70 | 0.26 | 1.65 | 0.03 | 0.03 | 0.15 |
Kulekerera kwa geometrika kwa mapaipi a SSAW
| Kulekerera kwa geometric | ||||||||||
| m'mimba mwake wakunja | Kukhuthala kwa khoma | kuwongoka | kupitirira muyeso | kulemera | Kutalika kwakukulu kwa mkanda wothira | |||||
| D | T | |||||||||
| ≤1422mm | >1422mm | <15mm | ≥15mm | chitoliro chomaliza 1.5m | utali wonse | thupi la chitoliro | mapeto a chitoliro | T≤13mm | T >13mm | |
| ± 0.5% | monga momwe anavomerezera | ± 10% | ± 1.5mm | 3.2mm | 0.2% L | 0.020D | 0.015D | '+10% | 3.5mm | 4.8mm |
Mayeso a Hydrostatic

Chitolirocho chiyenera kupirira mayeso a hydrostatic popanda kutuluka kudzera mu msoko wa weld kapena thupi la chitolirocho.
Zolumikizira siziyenera kuyesedwa ndi madzi, bola ngati magawo a chitoliro chomwe chimagwiritsidwa ntchito polemba zolumikizira adayesedwa bwino ndi madzi asanayambe ntchito yolumikizira.
Kutsata:
Pa chitoliro cha PSL 1, wopanga ayenera kukhazikitsa ndikutsatira njira zolembedwa zosamalira:
Kuzindikira kutentha mpaka mayeso aliwonse okhudzana ndi chmic atachitika ndipo kutsatira zofunikira zomwe zafotokozedwazo kukuwonetsedwa.
Kuzindikiritsa kwa gawo loyesera mpaka mayeso aliwonse okhudzana ndi makina atatha ndipo kutsatira zofunikira zomwe zafotokozedwazo kuwonetsedwe
Pa chitoliro cha PSL 2, wopanga ayenera kukhazikitsa ndikutsatira njira zolembedwa kuti asunge chizindikiro cha kutentha ndi chizindikiro cha chitoliro choyesera cha chitolirocho. Njira zoterezi ziyenera kupereka njira zotsatirira kutalika kulikonse kwa chitolirocho ku chitoliro choyenera choyesera ndi zotsatira zoyeserera za mankhwala.
Chimodzi mwa ubwino waukulu wa chitoliro cha SSAW ndi kusinthasintha kwake popanga. Mapaipi awa amatha kupangidwa m'mitundu yosiyanasiyana, kukula kwake, ndi makulidwe ake ndipo amatha kusinthidwa kuti akwaniritse zofunikira pa ntchito inayake. Kuphatikiza apo, mapaipi ozungulira omwe amalumikizidwa ndi arc nthawi zambiri amapangidwa ndi chitsulo chapamwamba kwambiri, zomwe zimapangitsa kuti asawonongeke ndi dzimbiri ndikuwonetsetsa kuti ntchitoyo ikhale yayitali.
Chitoliro cha Mzere cha API 5L:
Chitoliro cha mzere wa API 5Lndi chitoliro chomangidwa ndi malo opanda kanthu chomwe chimagwiritsidwa ntchito kwambiri chomwe chimakwaniritsa miyezo ya American Petroleum Institute (API). Mapaipi awa adapangidwa kuti azinyamula madzi, monga mafuta ndi gasi wachilengedwe, mtunda wautali. Chitoliro cha mzere wa API 5L chimadziwika ndi mphamvu zake zapamwamba, kulimba komanso kukana kuzizira kwambiri.
Njira yopangira chitoliro cha mzere wa API 5L imaphatikizapo njira zowongolera bwino kwambiri kuti zitsimikizire kuti ndi yodalirika. Mapaipi awa amapangidwa ndi chitsulo cha kaboni ndipo ali ndi mphamvu zabwino kwambiri zamakanika. Kutsatira kwambiri miyezo ya API kumatsimikizira kuti mapaipi awa amatha kupirira kupsinjika kwakukulu ndi kusintha kwa kutentha, zomwe zimapangitsa kuti akhale oyenera kugwiritsidwa ntchito kwambiri mumakampani amafuta ndi gasi.
Ubwino wophatikizana:
Pamene chitoliro cholumikizidwa ndi arc chozungulira chozungulira ndi chitoliro cha mzere wa API 5L ziphatikizidwa, zimapereka umphumphu wosayerekezeka komanso kudalirika. Mizere yozungulira ya chitoliro cha SSAW pamodzi ndi mphamvu ndi kulimba kwa chitoliro cha mzere wa API 5L imapanga dongosolo lolimba lothandizira kapangidwe kake.
Kuwonjezera pa ubwino wawo, kugwirizana kwa chitoliro cholumikizidwa ndi arc ndi chitoliro cha mzere wa API 5L kumawonjezera kugwira ntchito bwino kwa mapulojekiti a mapaipi. Kusinthasintha kwa chitoliro cha SSAW kumalola kulumikizana kosavuta ndi chitoliro cha mzere wa API 5L, kuonetsetsa kuti madzi akuyenda bwino mkati mwa netiweki ya chitoliro.
Pomaliza:
Mapaipi okhala ndi dzenje ndi ofunikira kwambiri pomanga zomangamanga zolimba. Kugwiritsa ntchito pamodzi mapaipi a SSAW ndi mapaipi a mzere wa API 5L kumapereka yankho lamphamvu lomwe limapereka mphamvu, kulimba komanso kudalirika pamapulojekiti osiyanasiyana. Kaya kuthandizira maziko a nyumba zazitali kapena kunyamula madzi ofunikira pamtunda wautali, mapaipi awa amachita gawo lofunikira pakutsimikizira kuti zomangamanga zathu zimakhala zokhalitsa komanso zokhazikika. Pogwiritsa ntchito mphamvu ya mapaipi ozungulira omwe ali ndi arc welded komanso kudalirika kwa mapaipi a mzere wa API 5L, mainjiniya amatha kumanga maziko olimba a tsogolo labwino.








