Ubwino wa Spiral Welded mapaipi Pakumanga Paipi Yachilengedwe Yamagesi
Mipope yowotcherera yozungulira imapangidwa pogwiritsa ntchito njira yomwe zitsulo zachitsulo zimavulala ndikumangirizidwa mosalekeza kuti zipange mawonekedwe ozungulira.Njirayi imapanga mapaipi amphamvu, olimba komanso osinthasintha omwe ali oyenererana ndi zosowa za kayendedwe ka gasi.
Mmodzi mwa ubwino waukulu ozungulira welded chitoliro ndi mkulu mphamvu ndi kulemera chiŵerengero.Izi zimapangitsa kuti zikhale zabwino kwa mapaipi aatali chifukwa amatha kupirira zovuta zamkati ndi zakunja zomwe zimachitika panthawi yoyendetsa gasi popanda kusokoneza kukhulupirika kwapangidwe.Kuphatikiza apo, njira yowotcherera yozungulira imatsimikizira kufanana kwa makulidwe a khoma la chitoliro, kukulitsa mphamvu zake ndi kukana mapindikidwe.
Ma Mechanical Properties a SSAW Pipe
kalasi yachitsulo | mphamvu zochepa zokolola | mphamvu zochepa zolimba | Minimum Elongation |
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 |
Mapangidwe a Chemical a Mapaipi a SSAW
kalasi yachitsulo | C | Mn | P | S | V+Nb+Ti |
Zokwanira % | Zokwanira % | Zokwanira % | Zokwanira % | Zokwanira % | |
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 Geometric Kwa Mapaipi a SSAW
Kulekerera kwa geometric | ||||||||||
kunja kwake | Khoma makulidwe | kuwongoka | kunja-kuzungulira | misa | Utali weld weld kutalika | |||||
D | T | |||||||||
≤1422 mm | kutalika - 1422 mm | <15 mm | ≥15mm | kutalika kwa bomba 1.5m | utali wonse | thupi la chitoliro | payipi mapeto | T≤13mm | T-13 mm | |
± 0.5% | monga anavomereza | ±10% | ± 1.5mm | 3.2 mm | 0.2% L | 0.020D | 0.015D | + 10% | 3.5 mm | 4.8 mm |
Kuphatikiza apo, mapaipi achitsulo ozungulira amakhala ndi kukana kwa dzimbiri, chomwe ndi chinthu chofunikira kwambirichitoliro cha gasikumanga.Makhalidwe achitsulo ophatikizidwa ndi zokutira zapamwamba ndi zomangira zimapangitsa mapaipiwa kukhala osagwirizana kwambiri ndi kuwononga kwa gasi wachilengedwe ndi zowononga zina zomwe zimapezeka m'chilengedwe.Sikuti izi zimangowonjezera moyo wa chitoliro, zimachepetsanso zofunikira zokonzekera ndi ndalama zogwirizana nazo.
Kuwonjezera mawotchi ake ndi dzimbiri zosagwira katundu, ozungulira welded chitoliro ndi abwino kwa unsembe zosiyanasiyana terrain ndi chilengedwe.Kusinthasintha kwake kumapangitsa kuti pakhale kuwongolera kosavuta ndikuyika mozungulira zopinga, zomwe zimapangitsa kukhala njira yotsika mtengo pamawonekedwe ovuta.Kuphatikiza apo, zolumikizira zowotcherera za mapaipi ozungulira zimakhala zolimba mwachilengedwe, kuwonetsetsa kuti mapaipiwo satulutsa madzi nthawi yonse yautumiki wawo.
Ubwino wina wa spiral welded chitoliro ndi mtengo wake.Njira yopangira imathandizira kutulutsa kwakukulu komanso kugwiritsa ntchito bwino zinthu zopangira pamtengo wopikisana poyerekeza ndi zida zina zapaipi.Kuphatikiza apo, kukhazikika komanso kutsika kofunikira kwa chitoliro chowotcherera chozungulira kumathandizira kuchepetsa mtengo wamoyo, ndikupangitsa kukhala chisankho chanzeru pantchito zamapaipi achilengedwe a gasi.
Komanso, kusinthasintha kwa mipope yozungulira yozungulira kumapangitsa kuti ikhale yoyenera ma diameter osiyanasiyana, makulidwe a khoma ndi milingo yakukakamiza kuti ikwaniritse zosowa zosiyanasiyana zamakina otumizira gasi.Kusinthasintha kumeneku kumapangitsa kuti mapangidwe a mapaipi akwaniritsidwe kuti akwaniritse zofunikira zinazake, ndikuwonetsetsa kuti magwiridwe antchito ndi abwino.
Mwachidule, kugwiritsa ntchitoozungulira welded zitsulo mapaipipomanga mapaipi achilengedwe a gasi amapereka zabwino zambiri, kuphatikiza mphamvu zambiri, kukana kwa dzimbiri, kusinthasintha komanso kukwera mtengo.Zotsatira zake, imakhalabe chisankho choyamba kwa akatswiri amakampani omwe akufunafuna mayankho odalirika, okhalitsa agasi achilengedwe.Pogwiritsa ntchito ubwino wa spiral welded pipe, ogwira nawo ntchito angathe kuonetsetsa kuti gasi lachilengedwe likugwira ntchito motetezeka, moyenera komanso mokhazikika kwa zaka zikubwerazi.