Tšepe ea liphaephe ke mofuta oa tšepe e sebelisetsoang ho etsa litsamaiso tsa lipalangoang tsa liphaephe tsa oli le khase. Jwalo ka sesebelisoa sa lipalangoang sa oli le khase ea tlhaho se tsamaeang sebaka se selelele, sistimi ea liphaephe e na le melemo ea moruo, polokeho le ho se sitisoe ke letho.
Tšebeliso ea tšepe ea liphaephe
Tšepe ea phaepheMefuta ea lihlahisoa e kenyelletsa liphaephe tsa tšepe tse se nang moedi le liphaephe tsa tšepe tse bōpehileng joaloka welded, tse ka aroloang ka mekhahlelo e meraro: lithaba, libaka tse nang le sebabole se phahameng le ho beoa ha leoatle. Liphaephe tsena tse nang le tikoloho e thata ea ho sebetsa li na le mela e melelele 'me ha li bonolo ho li hlokomela, 'me li na le litlhoko tse tiileng tsa boleng.
Liphephetso tse ngata tse tobaneng le tšepe ea lipeipi li kenyelletsa: boholo ba masimo a oli le khase a libakeng tsa polar, maqhoa, mahoatata le libaka tsa leoatle, 'me maemo a tlhaho a batla a le boima; kapa e le ho ntlafatsa ts'ebetso ea lipalangoang, bophara ba lipeipi bo ntse bo holisoa khafetsa, 'me khatello ea ho tlisa thepa e ntse e eketseha khafetsa.
Matlotlo a Tšepe ea Liphaephe
Ho tsoa tlhahlobong e felletseng ea mokhoa oa nts'etsopele ea liphaephe tsa oli le khase, maemo a ho beoa ha liphaephe, mekhoa e meholo ea ho hloleha le lisosa tsa ho hloleha, tšepe ea liphaephe e lokela ho ba le thepa e ntle ea mechini (lebota le teteaneng, matla a phahameng, ho tiea ho phahameng, ho hanyetsa ho tsofala), 'me e lokela ho ba le bophara bo boholo, E lokela ho ba le bophara bo boholo, ho khona ho tjheseletsa, ho hanyetsa serame le mocheso o tlase, ho hanyetsa ho bola (CO2), ho hanyetsa metsi a leoatle le HIC, ts'ebetso ea SSCC, jj.
①Matla a phahameng
Tšepe ea phaephe ha e hloke feela matla a ho thaepa le matla a ho ntsha, empa hape e hloka hore karolelano ea ho ntsha e be pakeng tsa 0.85 ~ 0.93.
② Ho tiea ha tšusumetso e phahameng
Ho tiea ha matla a maholo ho ka fihlela litlhoko tsa ho thibela ho petsoha.
③Mocheso o tlase oa phetoho ea ductile-brittle
Libaka tse thata le maemo a leholimo a hloka hore tšepe ea liphaephe e be le mocheso o tlase oa phetoho ea ductile-brittle. Sebaka sa ho kuta sa DWTT (Drop Weight Tear Test) se fetohile index ea taolo e kholo ho thibela ho hloleha ha liphaephe ho brittle. Tlhaloso e akaretsang e hloka hore sebaka sa ho kuta sa sampole se fracture e be ≥85% mochesong o tlase oa ts'ebetso.
④Khanyetso e babatsehang khahlanong le ho petsoha ho bakoang ke haeterojene (HIC) le ho petsoha ha mafome a bakoang ke khatello ea sulfide (SSCC)
⑤ Tshebetso e ntle ea ho tjheseletsa
Ho tjheseletsa hantle ha tshepe ho bohlokwa haholo ho netefatsa botshepehi le boleng ba ho tjheseletsa ba phaephe.
Maemo a Tšepe ea Liphaephe
Hona jwale, maemo a mantlha a botekgeniki a diphaephe tsa tshepe tsa phetiso ya oli le kgase tse sebediswang naheng ya heso a kenyeletsaAPI 5L, DNV-OS-F101, ISO 3183, le GB/T 9711, jj. Boemo ka kakaretso bo tjena:
① API 5L (tlhaloso ea phaephe ea mola) ke tlhaloso e amohetsoeng haholo e entsoeng ke Setsi sa Petroleum sa Maine.
② DNV-OS-F101 (tsamaiso ea liphaephe tsa likepe tse tsamaeang ka tlas'a metsi) ke tlhaloso e entsoeng ka ho khetheha ke Det Norske Veritas bakeng sa liphaephe tsa likepe tse tsamaeang ka tlas'a metsi.
③ ISO 3183 ke tekanyetso e hlophisitsoeng ke Mokhatlo oa Machaba oa Maemo a Tloaelehileng mabapi le maemo a ho tsamaisoa ha liphaephe tsa tšepe bakeng sa phetiso ea oli le khase. Tekanyetso ena ha e akarelletse moralo le ho kenngoa ha liphaephe.
④ Mofuta wa moraorao wa GB/T 9711 ke mofuta wa 2017. Mofuta ona o itshetlehile hodima ISO 3183:2012 le API Spec 5L 45th Edition. Ho itshetlehile hodima tsona ka bobedi. Ho ya ka maemo a mabedi a boletsweng, maemo a mabedi a tlhaloso ya sehlahiswa a boletswe: PSL1 le PSL2. PSL1 e fana ka boemo bo tloaelehileng ba phaephe ya mola; PSL2 e eketsa ditlhoko tse tlamang ho kenyeletswa le sebopeho sa dikhemikhale, ho tiya ha notch, thepa ya matla le teko e eketsehileng e sa senyeheng (NDT).
API SPEC 5L le ISO 3183 ke litlhaloso tsa liphaephe tsa mohala tse nang le tšusumetso machabeng. Ka lehlakoreng le leng, lik'hamphani tse ngata tsa oli lefatšeng li tloaetse ho amohelaLitlhaloso tsa API SPEC 5L e le tlhaloso ea motheo bakeng sa theko ea liphaephe tsa tšepe ea liphaephe.
Tlhahisoleseding ea odara
Konteraka ea odara ea tšepe ea lipeipi e lokela ho kenyelletsa tlhahisoleseling e latelang:
① Bongata (boima bohle kapa bongata bohle ba liphaephe tsa tšepe);
② Boemo ba ho tloaeleha (PSL1 kapa PSL2);
③Phaephe ea tšepemofuta (o se nang seamless kapaphaephe e tjheseditsweng, mokhoa o ikhethileng oa ho tjheseletsa, mofuta oa pheletso ea phaephe);
④Ho latela maemo a tshebetso, jwalo ka GB/T 9711-2017;
⑤ sehlopha sa tšepe;
⑥Bophara ba kantle le botenya ba lebota;
⑦Bolelele le mofuta wa bolelele (ha bo sehelwe kapa bo sehelwe);
⑧ Fumana hore na ho hlokahala eng ho sebelisa sehlomathiso.
Meputso ea liphaephe tsa tšepe le meputso ea tšepe (GB/T 9711-2017)
| Tšepe ea boemo bo tloaelehileng | sehlopha sa tšepe sa phala | sehlopha sa tšepe |
| PSL1 | L175 | A25 |
| L175P | A25P | |
| L210 | A | |
| L245 | B | |
| L290 | X42 | |
| L320 | X46 | |
| L360 | X52 | |
| L390 | X56 | |
| L415 | X60 | |
| L450 | X65 | |
| L485 | X70 | |
| PSL2 | L245R | BR |
| L290R | X42R | |
| L245N | BN | |
| L290N | X42N | |
| L320N | X46N | |
| L360N | X52N | |
| L390N | X56N | |
| L415N | X60N | |
| L245Q | BQ | |
| L290Q | X42Q | |
| L320Q | X46Q | |
| L360Q | X52Q | |
| L390Q | X56Q | |
| L415Q | X60Q | |
| L450Q | X65Q | |
| L485Q | X70Q | |
| L555Q | X80Q | |
| L625Q | X90Q | |
| L690Q | X100M | |
| L245M | BM | |
| L290M | X42M | |
| L320M | X46M | |
| L360M | X52M | |
| L390M | X56M | |
| L415M | X60M | |
| L450M | X65M | |
| L485M | X70M | |
| L555M | X80M | |
| L625M | X90M | |
| L690M | X100M | |
| L830M | X120M |
Nako ea poso: Pherekhong-30-2023