Chitoliro cha LSAW (Longitudial Submerged Arc Welding)
LSAW (Kuwetsa Arc Yokhala ndi Longitudinal Submerged Arc):Izi zikutanthauza njira yopangira.
Kutalika: Msoko wothira umayenda molingana ndi kutalika kwa chitoliro (mzere wowongoka). Izi ndi zosiyana ndi HSAW/SSAW (Helical/Spiral Submerged Arc Welding), komwe wothira umakhala wozungulira.
Kuwotcherera Arc Welding (SAW): Njira yabwino kwambiri yowotcherera pomwe arc imamizidwa pansi pa fusible flux. Izi zimathandiza kuti kutentha kulowe kwambiri, kumapanga weld yolimba kwambiri, yofanana, komanso kumapanga mapeto osalala popanda kutsanulira madzi.
Msoko Wowongoka Wambali Iwiri:Izi zikufotokoza momwe weld imagwirira ntchito.
Chitolirocho chimapangidwa kuchokera ku mbale imodzi yachitsulo (skelp) yokulungidwa mu silinda, ndikupanga msoko umodzi wowongoka.
Mbali Ziwiri: Kuwotcherera kumachitika mkati ndi kunja kwa chitoliro. Izi ndizofunikira kwambiri chifukwa zimaonetsetsa kuti chowotchereracho chili bwino kwambiri, zomwe zimapangitsa kuti chizitha kuthana ndi kupsinjika kwakukulu komanso kugwiritsa ntchito zinthu zovuta.
| M'mimba mwake wakunja | 406-1422MM |
| Kukhuthala | 6.0-50.0MM (kulekerera +/-10-12%) |
| Utali | 6M-12M |
| Muyezo | API 5L, ASTM A53, ASTM A252 |
| Kalasi yachitsulo | Giredi B, x42, x52 |
| Mapeto a Chitoliro | Malekezero opindika okhala ndi kapena opanda chitetezo chachitsulo cha m'mphepete mwa chitoliro |
| Pamwamba pa chitoliro | Zakuda Zachilengedwe kapena Zopaka Zakuda kapena Zokutidwa ndi 3PE |
Mapulogalamu Oyambirira a Zitsulo za LSAW
| Gulu la Ntchito | Ntchito Zapadera | Chifukwa Chake LSAW Imagwiritsidwa Ntchito |
| Mapaipi a Mafuta ndi Gasi a M'mphepete mwa Nyanja/M'mphepete mwa Nyanja | Mapaipi otumizira mafuta osakonzedwa, gasi wachilengedwe, ndi zinthu zoyengedwa. | Imalimbana ndi kupsinjika kwakukulu kwamkati, imalimbana ndi kupsinjika kwakunja, ndipo imatha kuphimbidwa kuti iteteze dzimbiri m'malo ovuta. |
| Ntchito Zokhudza Kupanikizika Kwambiri | Nthunzi yothamanga kwambiri, njira zodyetsera mankhwala, ndi mayendedwe a matope. | Kapangidwe kolimba kakhoza kupirira kupsinjika kosalekeza komanso kwakukulu popanda kulephera. |
| Kapangidwe ka Zam'madzi ndi Zopangira Mizere | Kuyika maziko a milatho, madoko, ndi nsanja za m'mphepete mwa nyanja. | Makoma akuluakulu ndi okhuthala amapereka chithandizo chachikulu cha kapangidwe kake komanso mphamvu yonyamula katundu. Nthawi zambiri amaponyedwa pansi kwambiri. |
| Uinjiniya Wanyumba ndi Zomangamanga | Zipilala za nyumba zazitali, mabwalo amasewera, ndi nyumba zazikulu. | Amagwiritsidwa ntchito ngati "zipilala za mapaipi" zodzazidwa ndi konkire (CFST) kuti apereke mphamvu zodabwitsa komanso kukhazikika kwa kapangidwe kake. |
| Kutumiza Madzi | Mipope yamadzi yayikulu komanso malo osungira madzi opangira magetsi. | Wokhoza kusuntha madzi ambiri pansi pa mphamvu yayikulu. |
Zikalata za Mapaipi a Chitsulo a LSAW
- ISO9001&ISO14001&ISO45001 HSE System.
- API Spec 5L yokhala ndi ntchito ya Sour ya linepipe.
- Chizindikiro cha CE cha chitoliro cha EU CPR & PED.
- ISO17025 ya labotale.
Mndandanda Wovomerezeka wa Mapaipi a Zitsulo a LSAW
ADNOC ndi ma EPC ambiri m'dziko ndi kunja.
Kuwongolera Ubwino wa Mapaipi a Zitsulo a LSAW
Laboratory yathu idakhazikitsidwa motsatira zofunikira za CNAS ndi API 5L PSL2.
- Kuyesa mankhwala
- Kuyesa kwa ma tensile
- Kuyesa kwa CVN pamlingo wapamwamba kwambiri -70°C
- Kuyesa kwa DWT kopitilira -60°C
- Kuyesa kwa Metallographic
- Kuyesa kuuma
- Kuyesa kwa zokutira
Tapanga njira yotsatirira chitoliro chilichonse kuyambira pa mbale kupita ku chitoliro chomalizidwa ndi nambala ya chitoliro ndikusunga zolembazo kwa zaka zosachepera ziwiri.
Chifukwa Chake Mapaipi a LSAW Amasankhidwa Kuti Agwiritsidwe Ntchito Zapamwamba
Mphamvu Yapamwamba ndi Kupanikizika:Njira ya SAW yokhala ndi mbali ziwiri imapanga weld yomwe imakhala yolimba ngati, kapena yolimba kuposa, chitsulo choyambira chokha. Izi zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito pamphamvu kwambiri.
Makoma Aakulu ndi Makoma Okhuthala:Mapaipi a LSAW amatha kupangidwa m'madigiri akuluakulu kwambiri (nthawi zambiri kuyambira mainchesi 16 mpaka mainchesi 60 kapena kuposerapo) komanso okhala ndi makoma okhuthala kwambiri, zomwe sizingatheke ndi njira zazing'ono zamapaipi monga ERW (Electric Resistance Welding).
Kulondola Kwambiri kwa Magawo:Ali ndi miyeso yofanana komanso yozungulira, zomwe ndizofunikira kwambiri pa ntchito yomanga mapaipi ndi zomangamanga.
Zabwino Kwambiri Zophimba:Msoko wawo wowongoka ndi malo osalala zimapangitsa kuti zikhale zoyenera kugwiritsa ntchito zokutira zosiyanasiyana zoteteza (monga FBE Fusion Bonded Epoxy, 3LPE/3LPP) ndi zophimba (monga, zokutira zolemera za konkriti za mapaipi akunja). Malo osalala komanso ogwirizana amatsimikizira kuti zokutirazo zimamatira bwino ndikugwira ntchito yake yoteteza.
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