Moetsi oa Tšepe

Phihlelo ea Lilemo tse 15 ea Tlhahiso
Tšepe

Liphaephe tse se nang seamless, ERW, LSAW le SSAW: Phapang le Thepa

Liphaephe tsa tšepe li tla ka mefuta le boholo bo fapaneng. Phaephe e se nang mohele ke khetho e sa tjheseletsoang, e entsoeng ka billet ea tšepe e nang le sekoti. Ha ho tluoa liphaepheng tsa tšepe tse tjheseletsoang, ho na le likhetho tse tharo: ERW, LSAW le SSAW.
Liphaephe tsa ERW li entsoe ka lipoleiti tsa tšepe tse kopantsoeng ka ho hanyetsa. Phaephe ea LSAW e entsoe ka poleiti ea tšepe e kopantsoeng ka arc e telele e koahetsoeng ka arc. Phaephe ea SSAW e entsoe ka poleiti ea tšepe e kopantsoeng ka arc e koahetsoeng ka spiral.
A re hlahlobeng mofuta o mong le o mong oa phaephe haufi-ufi, re bapise liphapang tsa tsona, le mokhoa oa ho sebelisa tlhaloso e nepahetseng ho latela tatellano.

litaba
Phaephe ea tšepe e se nang seamless
Phaephe e se nang moedi e entsoe ka billet ea tšepe e sa hloekang, e futhumatsoang le ho phunyeletsoa ho etsa karolo e chitja e se nang moedi. Kaha phaephe e se nang moedi ha e na sebaka sa ho tjheseletsa, e nkoa e le matla ho feta phaephe e tjheselitsoeng 'me ha e na tšekamelo ea ho bola, khoholeho ea mobu le ho hloleha ka kakaretso.
Leha ho le jwalo, theko ka thane ya phaephe e se nang mohele e phahame ka 25-40% ho feta ya phaephe ya ERW. Boholo ba phaephe ya tshepe e se nang mohele bo tloha ho 1/8 inch ho isa ho 36 inch.
Phaephe ea ho tjheseletsa ea khanyetso (ERW)
Phaephe ea tšepe ea ERW (ho tjheseletsa ho hanyetsa) e etsoa ka ho phutholla tšepe ka har'a phaephe le ho hokahanya lipheletso tse peli ka li-electrode tse peli tsa koporo. Li-electrode tsena li bōpehile joaloka disc 'me lia potoloha ha thepa e feta pakeng tsa tsona. Sena se lumella electrode ho boloka kamano e tsoelang pele le thepa ka nako e telele ea ho tjheseletsa ho tsoelang pele. Tsoelo-pele ea theknoloji ea ho tjheseletsa e ntse e ntlafatsa ts'ebetso ena.
Phaephe ea ERW ke sebaka se theko e tlaase le se sebetsang sa phaephe ea tšepe e se nang sekoli, e tšoarellang ho feta phaephe ea SAW. Ha e bapisoa le ts'ebetso ea ho qhibilihisa e sebelisoang phaepheng e phuthetsoeng ka arc e ka tlas'a metsi, liphoso le tsona ha li bonahale li etsahala, 'me liphoso tsa weld e otlolohileng li ka bonoa habonolo ka ho bonahatsa kapa ho bona ka ultrasound.
Bophara ba phaephe ea ERW bo tloha ho lisenthimithara tse 15 ho isa ho lisenthimithara tse 21.34.
Phaephe e welded ea arc e koahetsoeng ka metsing
LSAW (ho welda ka ho otloloha) le SSAW (ho welda ka ho otloloha) ke mefuta e fapaneng ya phaephe e weldang ka ho otloloha ya arc. Ts'ebetso ya ho welda ka ho otloloha ya arc e hlahisang current e phahameng ho thibela ho qhalana ha mocheso ka potlako ha lera la flux le ho tsepamisa mohopolo sebakeng sa ho welda.
Phapang e kgolo pakeng tsa diphaephe tsa LSAW le SSAW ke tataiso ya weld, e tla ama bokgoni ba ho jara kgatello le bonolo ba tlhahiso. LSAW e sebediswa bakeng sa ditshebediso tsa motlakase o mahareng ho isa ho o phahameng, mme SSAW e sebediswa bakeng sa ditshebediso tsa motlakase o tlase. Diphaephe tsa LSAW di theko e boima ho feta diphaephe tsa SSAW.

Phaephe e welded ea arc e koahetsoeng ka nako e telele
Phaephe ea LSAW e etsoa ka ho etsa hlobo ea tšepe ea coil e phutholohileng e chesang hore e be silindara le ho hokahanya lipheletso tse peli hammoho ka ho tjheseletsa ka mola. Sena se etsa phaephe e phuthetsoeng ka bolelele. Liphaephe tsena li sebelisoa haholo bakeng sa liphaephe tsa phetisetso ea oli, khase ea tlhaho, mashala a metsi, li-hydrocarbon, jj.
Ho na le mefuta e 'meli ea liphaephe tsa LSAW: seam e le 'ngoe ea longitudinal le seam e habeli (DSAW). Phaephe ea tšepe ea LSAW e qothisana lehlokoa le phaephe ea tšepe e se nang seam le phaephe ea tšepe ea ERW ea lisenthimithara tse 16 ho isa ho tse 24. Indastering ea oli le khase ea tlhaho, liphaephe tsa LSAW tsa API 5L tse bophara bo boholo li sebelisoa bakeng sa ho tsamaisa li-hydrocarbon tse hole le tse sebetsang hantle.
Bophara ba phaephe ea LAW hangata bo pakeng tsa lisenthimithara tse 16 le lisenthimithara tse 60 (406 mm le 1500 mm).
Ha e na seamless - masalla a phatlohang a ntoa - ho tjheseletsa arc e kenelletseng ka nako e telele - ho tjheseletsa arc e kenelletseng ka hare ho spiral - phaephe - ho tjheseletsa arc e kenelletseng ka hare ho spiral

Phaephe ea SSAW
Phaephe ea tšepe ea SSAW e thehoa ka ho phutholla le ho tjheseletsa mothapo oa tšepe ka lehlakoreng le potolohang kapa le potolohang ho etsa hore ho be le ho tjheseletsa ho ba ho potolohang. Mokhoa oa ho tjheseletsa o potolohang o etsa hore ho khonehe ho hlahisa lihlahisoa tse bophara bo boholo. Liphaephe tsa tšepe tse potolohang li sebelisoa haholo bakeng sa phetiso ea mokelikeli o nang le khatello e tlase, joalo ka liphaephe lipolatefomong tsa leoatleng, lifemeng tsa petrochemical kapa liholong tsa likepe, hammoho le mehaho ea sechaba le ho bokella liqubu.
Bophara ba phaephe ya SSAW hangata ke di-inchi tse 20 ho isa ho tse 100 (406 mm ho isa ho 25040 mm).

Mokhoa oa ho odara liphaephe tsa tšepe bakeng sa projeke ea hau
Ha o odara diphaephe tsa tshepe, ho na le dibopeho tse pedi tsa bohlokwa: boholo ba phaephe bo tlwaelehileng (NPS) le botenya ba lebota (kemiso). Bakeng sa diphaephe tse ka tlase ho di-inchi tse 4, bolelele ba phaephe e ka ba dimithara tse 5-7 tse sa reroang (SRL), kapa bakeng sa diphaephe tse fetang di-inchi tse 4, bolelele ba phaephe e ka ba dimithara tse 11-13 tse sa reroang (DRL). Bolelele bo ikgethileng bo a fumaneha bakeng sa diphaephe tse telele. Dipheletso tsa phaephe e ka ba bevel (be), plane (pe), thread (THD) le coupling (T&C) kapa groove.

Kakaretso ea lintlha tse tloaelehileng tsa odara:
Mofuta (o se nang seamless kapa o tjheselleditsweng)
Boholo ba phaephe bo ikgethang
Kemiso
Mofuta oa qetello
Sehlopha sa thepa
Bongata ka limithara kapa maoto kapa lithane.

Haeba o nahana ho reka PIPE E SEAMLESS, PIPE EA ERW, PIPE EA SSAW KAPA PIPE EA LSAW, sheba dikgetho tseo JINDALAI e nang le tsona bakeng sa hao mme o nahane ka ho ikopanya le sehlopha sa rona sa bakeng sa tlhahisoleseding e batsi. Re tla o fa tharollo e molemohali bakeng sa projeke ya hao.

Ikopanye le rona hona joale!

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Nako ea poso: Mmesa-04-2023