Liphaephe tsa Tšepe tse Kgutliloeng tse sa Senyeheng tsa Tšepe (CRA) bakeng sa Tšebeletso e Bolila le Likopo tsa Offshore

Lefatšeng la ho tsamaisa oli le khase ka bongata bo boholo, mafome ke sera se seholo sa botšepehi ba thepa le nako e telele ea ts'ebetso.hydrogen sulfide (H₂S),khabone e daekosede (CO₂),li-chloride, 'me li-acid tsa organic li tobane le likotsi tse kholo tsa ho senyeha. Ho loantša sena, indasteri e retelehetse litharollong tse tsoetseng pele tsa thepa tse kangPhaephe e koahetsoeng ea API 5LDlePhaephe e nang le API 5LD e nang le mehalaTsenaliphaephe tsa alloy e sa senyeheng (CRA)fana ka tšebelisano-'moho e phethahetseng: matla a sebopeho sa tšepe ea carbon le mokoallo oa ts'enyeho oa li-alloy tsa boleng bo holimo.

Tšepe ea Womic, e sebelisa kopanyo ea eona e ikhethang ea "Plate-to-Pipe" le k'hamphani ea eona ea motsoali,BasaliSehlopha sa Tšepe, se eme ka pele ho theknoloji ena. Ka phihlello ea boleng bo holimolipoleiti tse koahetsoeng ka tšepe tse tlamiloenge hlahisitsoe keBasaliTšepe le setsi sa tlhahiso ea liphaephe sa sejoale-joale se bohōle ba lik'hilomithara tse 5 feela, Womic Steel e fana ka boleng bo holimoliphaephe tse kopantsoeng tsa bimetallicbakeng sa merero ea leoatleng, lebōpong la leoatle le ka tlas'a leoatle lefatšeng ka bophara. Tataiso ena e felletseng e hlahloba sebaka sa tekheniki sa liphaephe tse sa senyeheng ke mafome tsa API 5LD, e shebane le mekhoa ea tlhahiso, khetho ea thepa le maemo a boenjiniere.

Pipe ea API 5LD Clad le Pipe e nang le Line ke eng?

Tlhahlobo ea API 5LDke tekanyetso ea machaba e laolangPhaephe ea tšepe e koahetsoeng ka CRA kapa e nang le lerabakeng sa litsamaiso tsa lipalangoang tsa lipeipi indastering ea peterole le khase ea tlhaho.Pipe ea tšepe e koahetsoeng ka API 5LDke sehlahisoa se kopaneng se nang le mekhahlelo e 'meli e fapaneng:

1. Phaephe e Tšehetsang Tšepe ea Khabone:E fana ka matla a mechini ho mamella khatello ea ka hare, meroalo ea kantle le ho kobeha. Hangata e etsoa hoAPI 5LkapaISO 3183litlhaloso (likereiti tse kang X52, X60, X65).
2. Lera la Alloy e Hanelang ho Ts'enyeha (CRA):E sebetsa e le tšitiso e matla khahlanong le maro a senyang. Lera lena e ka ba tšepe e sa hloekang (mohlala,316L), tšepe e sa ruseng habeli (mohlala,2205), kapa metsoako e kopantsoeng e thehiloeng ho nikeli (mohlala,625,825).

Sebopeho sena se kopaneng se ntlafatsa litšenyehelo tsa potoloho ea bophelo ka ho sebelisa lintho tse turangLisebelisoa tsa CRAfeela moo ho hlokahalang—ka hare ho bokaholimo—ha bokgoni ba ho jara mojaro bo tswa tshepeng ya khabone e theko e tlase.

Maemo a Bohlokoa a Machaba a Liphaephe tse Hanelang Mafome

Tlhahiso le ho sebelisaPhaephe e koahetsoeng ea API 5LDe hloka ho latela matrix ea maemo a tlatsanang ho netefatsa polokeho le ts'epo:

●Maemo a Sehlahisoa: Tlhahlobo ea API 5LD(Phaephe e koahetsoeng/e nang le mela), API Spec 5LC (Phaephe e tiileng ea CRA).

●Phaephe ea Motheo: API 5L / ISO 3183(Phaephe ea Mohala),DNV-ST-F101(Mekhoa ea Liphaephe tsa Ka tlas'a Leoatle).

●Lisebelisoa:ASTM A240/A312 (Litšepe tse sa Khaotseng), ASTM A790 (Duplex), ASTM B424/B444 (Li-alloy tsa Nickel), NACE MR0175/ISO 15156 (Tšebeletso e Bolila).

●Moralo le Tlhahiso:ASME B31.4 (Liphaephe tsa Metsi), ASME B31.8 (Liphaephe tsa Khase), DNV-ST-F101, NORSOK M-601 (Ho Welding).

●Ho roala:Letoto la ISO 21809 (Liaparo tsa Kantle).

●Boleng le Litokomane:EN 10204 (Litokomane tsa Tlhahlobo), EN ISO 9712 (Basebetsi ba NDT).

Theknoloji ea Tlhahiso: Sekoahelo sa Mekaniki, Weld & Metallurgical Clad

Tshebetso eaphala ea bimetallic e kopantsoenge susumetsoa haholo ke mokhoa oa eona oa tlhahiso. Ho na le mahlale a mararo a mantlha a sebelisoang lefatšeng ka bophara, e 'ngoe le e 'ngoe e na le litšobotsi tse ikhethang tsa matla a ho kopanya, katleho ea tlhahiso le litšenyehelo.

1. Phaephe e nang le Mechini (MLP)

Phaephe e nang le metjhinie hlahisoa ka ho kenya lebota le lesesaaneLesela la CRAka har'a phaephe ea tšepe ea khabone ebe o sebelisa katoloso ea haeteroliki kapa ea mechini ho etsa hore ho be le tšitiso.

●Tshebetso:Phaephe ea CRA (mohlala,316L) e kenngoa ka har'aAPI 5Lphaephe ea tšepe ea khabone. Khatello e phahameng e sebelisoa ka hare, e atolosa lesela le ka hare le ho le hatella ka thata leboteng le ka hare la phaephe ea moamoheli.

●Qetella ho Tiisa:Lipheletso tsa phaephe li hloka tlhokomelo e khethehileng, joalo ka ho tjheseletsa lesale la CRA kapa ho etsa senotlolo sa mechini, ho thibela ho hula ha liner le ho fana ka thibelo ea ho bola ho weld ea girth.

●Litšobotsi:

1. Melemo:Bokgoni bo phahameng ba tlhahiso le litšenyehelo tse tlase tsa pele bakeng sa boholo bo itseng.
2. Mathata:Matla a tlamahano a tlase ha a bapisoa le mekhoa ea tšepe. Ho tsitsa ha liner tlas'a khatello ea kantle kapa ho kobeha (mohlala, ho kenngoa ha reel-lay) ke taba ea bohlokoa e hlokang netefatso kaDNV-RP-F104. Ts'ebetso ea ho koala qetellong e ka ama ho tšoana ha bevel ea phaephe, e ka amang katleho le boleng ba ho tjheseletsa tšimo. Tshebetso e kopaneng ka kakaretso ea phaephe eohle e tlase ho feta phaephe e kopantsoeng ka tšepe.

2. Pipe ea ho Chesetsa e Koaheletsoeng ka Weld

●Pipe e koahetsoeng ka welde etsoa ka ho kenyaCRAlera ka ho toba holim'a bokaholimo ba ka hare ba phaephe ea tšepe ea khabone u sebelisa mekhoa e tsoetseng pele ea ho tjheseletsa.

●Tshebetso: Hot Wire TIG (Tungsten Inert Gas)ho tjheseletsa, GMAW, kapa SAW ho sebediswa ho kenyamotsoako o sa keneng ts'enyehojoalo ka2205,316Lkapa625leboteng le ka hare la phaephe ya tshepe ya khabone e se nang moedi kapa e welletsoeng. Hangata ho hlokahala diphase tse ngata ho fihlella botenya bo lakatsehang.

 ●Litšobotsi:

1. Melemo:E fana ka kamano e matla ea tšepe pakeng tsa substrate leCRAlera. E ntle haholo bakeng sa liphaephe tse bophara bo bonyenyane, li-fittings (li-elbow, li-tee), le li-geometri tse rarahaneng moo mekhoa e meng e sa sebetseng.
2. Mathata:Bokgoni ba tlhahiso bo tlase, mme dipotoloho tsa tlhahiso di telele. Tshebetso ena e hloka basebetsi ba bangata mme e na le ditjeo tse hodimo tsa tlhahiso ka lebaka la tshebediso e kgolo ya ho tjheseletsa e ka sebediswang. Bokaholimo ba ho kwahela hangata bo thata ho feta poleiti e phuthilweng mme bo ka hloka ho phethelwa.

Tšepe ea Womice sebelisa e tsoetseng peleMohala o Chesang TIGtheknoloji bakeng sa lits'ebetso tsa ho koahela ka weld, e hlahisang liphaephe le li-fittings tse atisang ho ba boholo ba Φ430 mm ho isa ho Φ1422 mm, kaCRAthepa ho kenyeletsoa2205,304,316,625le825.

3. Pipe ea Plate e Kopantsoeng ka Tšepe (Molemo oa Tšepe ea Womic)

Phaephe ea poleiti e koahetsoeng ka tšepe e kopantsoenge nkoa e le mofuta o tsoetseng pele ka ho fetisisa le o tšepahalang oaphala ea bimetallic e kopantsoengEna ke bokgoni ba mantlha baTšepe ea Womic, e nolofalletsoa ke kopanyo ea eona e haufi

 ●Tshebetso:

1. Tlhahiso ea Lipoleiti tse koahetsoeng: Wee hlahisa boleng bo holimolipoleiti tse koahetsoengka mokhoa o chesang oa ho phutholla.CRApoleiti (mohlala,625,316L,2205) le poleiti ea tšepe ea khabone li hokahanngoa hammoho tlas'a mocheso o phahameng le khatello, e leng se etsang hore ho be le tlamo ea tšepe e sa feleng boemong ba athomo.
2. Ho Etsa Liphaephe:Lipoleiti tsena tse koahetsoeng ka boleng bo holimo li fetisetsoa hoTšepe ea Womic'me ea etsoa liphaephe ka ho sebelisa tse tsoetseng peleJCOEtheknoloji.
3. Ho tjheseletsa:Morumo o molelele o tjheselletswa ka ho sebedisa motswako wa SAW bakeng sa tshepe ya khabone e tsheheditsweng leMohala o Chesang TIGbakeng saCRAlera, ho netefatsa ho tswela pele ha thibelo ya tshenyo.

 Litšobotsi:

1. Matla a Phahameng ka ho Fetisisa a ho Kopanya:Tlamo ea tšepe e fana ka khanyetso e matla ka ho fetisisa khahlanong le delamination tlas'a khatello e matla, mocheso le khatello ea mechine.
2. Jiometri ea Phaephe e Phahameng:TheJCOETs'ebetso, ho qala ka poleiti e bataletseng, e fella ka ho nepahala ho hoholo ha boholo, ho chitja, le ho tšoana ha bevel. Sena se ntlafatsa haholo bokgoni ba ho tjheseletsa ba field girth le boleng ba ho kenya.
3. Bokgoni bo Phahameng le Tshebetso e Botle ya Ditjeo:Bakeng sa liphaephe tse bophara bo boholo, mokhoa ona o fana ka katleho e phahameng ea tlhahiso, linako tse khutšoanyane tsa ho fana ka thepa, le litšenyehelo tse felletseng tsa tlholisano ha li bapisoa le CRA e tiileng kapa esita le litharollo tse ling tsa weld overlay bakeng sa boholo bo boholo.
4. Qetello e Ntle ea Bokaholimo:Ea ka hareCRAbokaholimo bo boreleli, bo khothalletsa phallo e ntle le ho fokotsa kotsi ea ho putlama ha metsi.

Tšepe ea Womice ikhethile ka ho khetheha ka liphaephe tsa poleiti tse koahetsoeng ka tšepe, e sebelisa tšebelisano-'moho ea "Plate-to-Pipe". Sena se netefatsa ho sala morao ka botlalo ha thepa, phihlello ea pele ho li-clad plate tsa boleng bo holimo, le tšebelisano-'moho e se nang sekoli ea tekheniki pakeng tsa poleiti ea poleiti le pleipe. Kopanyo ena ke phapang ea bohlokoa, e lumellang nts'etsopele e potlakileng le phano ea litharollo tse ikhethileng bakeng sa merero e hlokang tlhokomelo.

Ts'ebetso ea Tlhahiso ea Pipe ea Tšepe ea API 5LD Clad

Ts'ebetso ea tlhahiso ea phaephe e koahetsoeng ea API 5LD e hloka taolo e tiileng ho netefatsa botšepehi ba tlamo, ho hanyetsa mafome, le ts'ebetso ea mechini.

Tsela e tloaelehileng ea tlhahiso bakeng sa phaephe e koahetsoeng ka tšepe e kenyelletsa:

1. Tlhahiso ea poleiti e koahetsoeng ka CRA e sebelisang bond ea ho phatloha kapa bond ea hot roll
2. Ho etsa lipoleiti ho sebelisoa theknoloji ea ho etsa liphaephe tsa UOE kapa JCOE
3. Ho tjheseletsa arc e kentsweng ka metsing ya di-longitudinal seams
4. Kalafo ea mocheso le ho fetola sebopeho sa phaephe
5. Liteko tse sa senyeheng ho kenyeletsoa tlhahlobo ea ultrasound le radiographic
6. Teko ea ho kuta liboto le teko ea ho batalatsa
7. Teko ea khatello ea metsi
8. Tlhahlobo ea litekanyo le netefatso ea ho qetela

Bakeng sa tlhahiso ea liphaephe tse nang le metjhini, ts'ebetso e tloaelehileng e kenyelletsa:

1. Phaephe ea tšepe ea tšepe ea carbon ea API 5L ea tlhahiso
2. Ho kenya lesela le lesesaane la CRA ka har'a phaephe
3. Katoloso ea mechine kapa katoloso ea haeteroliki ho etsa hore ho be le tšitiso e lekanang
4. Ho kenya lesale la ho notlela la CRA kapa la CRA
5. Teko ea botsitso ba liner le tlhahlobo ea matheba
6. Teko ea metsi le tlhahlobo ea jeometri

Mekhoa ena e netefatsa horePhaephe ea tšepe e koahetsoeng ea API 5LD le phaephe e nang le mehala ea API 5LDfihlela litlhoko tse tiileng tsa liphaephe tsa oli le khase.

Khetho ea Lintho le Maemo a Ts'ebeliso

Ho khetha se nepahetsengCRAthepa e bohlokoa bakeng sa ts'ebetso ea nako e telele. Tafole e ka tlase e fana ka tataiso e potlakileng e thehiloeng maemong a tloaelehileng a ts'ebeletso bakeng saLiphaephe tse koahetsoeng tsa API 5LD.

*Hlokomela: Bakeng sa tikoloho e mabifi haholo kapa moo nako e phahameng ea ho sebetsa e leng ea bohlokoa,liphaephe tse tiileng tsa CRAkaAPI 5LC(mohlala,Motsoako oa 625,C-276) e ka hlalosoa.*

Taolo ea Boleng, Tlhahlobo le Litokomane

Botšepehi baLiphaephe tse thibelang ts'enyeho tsa API 5LDe netefatsoa ka Moralo o matla oa Tlhahlobo le Teko (ITP). Mesebetsi ea bohlokoa e kenyelletsa:

●Netefatso ea Lisebelisoa tse Tala:Tlhahlobo ea lik'hemik'hale le liteko tsa mechini tsa tšepe ea motheo leCRAlera ho ya ka maemo a amehang a ASTM le API. Ho latela melao ya tshebeletso e bolila ho kenyeletsa teko ya ho thatafala le teko ya SSC/HIC ho ya ka NACE TM0177/TM0284.

●Ts'ebetso le NDT:

1. Botšepehi ba Tlamo:Bakeng sa liphaephe tse koahetsoeng, tlhahlobo ea ultrasonic ea 100% ea sebopeho sa bond, e tlatsetsoang ke liteko tse senyang tsa ho kuta, ho batalatsa, le ho batalatsa morao lisampoleng.
2. Tlhahlobo ea ho tjheseletsa:Tlhahlobo ea 100% ea ultrasound le radiographic ea weld ea longitudinal seam.
3. Liteko tsa Tekanyo:Netefatso ea OD, WT, ovality, le ho otloloha kaAPI 5L.

●Teko ea ho Qetela:

1. Teko ea Hydrostatic:Phaephe e 'ngoe le e 'ngoe e lekoa ka khatello ho netefatsa matla a eona le botšepehi ba sekwahelo.
2. PMI (Tlhaloso e Ntle ea Lintho):Netefatso eaCRAk'hemistri ea lera holim'a liphaephe tse felileng.
3. Tlhahlobo ea ho Koahela ka Ntle:DFT (Botenya ba Filimi e Omileng), ho khomarela, le ho lemoha matsatsi a phomolo kaISO 21809.

● Litokomane:Liphetho tsohle tsa liteko li bokelloa libukeng tse felletseng tsa data, tseo hangata li netefalitsoeng hoEN 10204 Mofuta oa 3.1 kapa 3.2, ho netefatsa hore ho sala morao ka botlalo ho tloha lebenkeleng la ho qhibiliha ho ea phaepheng ea ho qetela.

Melemo ea Liphaephe tsa Tšepe tsa API 5LD Clad

Liphaephe tse koahetsoeng tsa API 5LD li fana ka melemo e 'maloa ha li bapisoa le liphaephe tsa tšepe ea khabone tse tloaelehileng le liphaephe tse tiileng tsa CRA.

● Ho Boloka Litšenyehelo ka Botlalo
Liphaephe tse koahetsoeng li fokotsa litšenyehelo tsa thepa haholo ha li bapisoa le liphaephe tse tiileng tsa motsoako tse hanelang mafome.

● Matla a Phahameng a Sebopeho
Phaephe e tšehetsang tšepe ea carbon e fana ka matla a makatsang a mechini le ho hanyetsa khatello.

● Khanyetso e Phahameng ea ho Sila
Sekoahelo sa CRA se sireletsa phaephe ho dikhemikhale tse matla le maro a senyang.

● Bophelo bo Bolelele ba Tšebeletso
Liphaephe tse koahetsoeng tsa API 5LD li etselitsoe ts'ebetso ea nako e telele libakeng tse thata tsa oli le khase.

● Bokgoni ba Bophara bo Boholo
Liphaephe tse koahetsoeng le tse nang le masela li ka etsoa ka bophara bo boholo boo ho leng thata ho bo fihlela ka liphaephe tse tiileng tsa CRA.

● Melemo ena e etsa horeLiphaephe tse thibelang ts'enyeho tsa API 5LDtharollo e loketseng bakeng sa meralo ea motheo ea oli le khase ea sejoale-joale.

Litšebeliso tse Tloaelehileng tsa Liphaephe tsa API 5LD Clad le Lined

Liphaephe tse hanelang mafome tsa API 5LD li sebelisoa lits'ebetsong tse fapaneng tsa oli le khase.

Likopo tse tloaelehileng li kenyelletsa:

Liphaephe tsa oli le khase tse lebōpong la leoatle
Methapo ea phallo ea leoatleng
Mekhoa ea ho bokella khase e bolila
Liphaephe tsa metsi tse hlahisitsoeng
Liphaephe tsa ho kenya metsi a leoatle
Liphaephe tsa hydrocarbon tse nang le mekhahlelo e mengata
Liphaephe tsa ts'ebetso ea ho hloekisa

Mekhoa ena ea lipeipi e hloka ka bobelimatla a phahameng a mechini le khanyetso e ntle ea ts'enyeho, ho etsaLiphaephe tsa tšepe tse koahetsoeng tsa API 5LDtharollo e phethahetseng.

Tšepe ea Womic: Molekane oa Hao bakeng sa Liphaephe tsa API 5LD Clad & Lined

Tšepe ea Womicha se moetsi oa liphaephe feela; ke mofani oa tharollo e kopaneng bakeng sa taolo ea mafome. Matla a rona a bohlokoa a kenyelletsa:

●Kopanyo ea 'Nete ea Poleiti ho ea ho Phaephe:Tšebelisano-'moho ea rona ea botekgeniki le ho ba haufi le ronaBasaliSteel, mohlahisi ea ka sehloohong oalipoleiti tse koahetsoeng ka tšepe tse tlamiloeng, e re fa taolo e sa bapisoeng le e 'ngoe holim'a boleng ba thepa e tala, ketane ea phepelo le nts'etsopele. Kopanyo ena e netefatsa hore "mokero o motala" o etelloa pele bakeng sa ho fumana thepa, e fetolela linakong tse potlakileng tsa ho etella pele le boleng bo tsitsitseng.

● Bokhoni bo Tsoetseng Pele ba R&D:Re ntlafalitse mekhoa e tsoetseng pele ea tlhahiso hammoho le Setsi sa Lipatlisiso tsa Tšepe, Univesithi ea Saense le Theknoloji ea Hunan, le balekane ba bang ba ka sehloohong. Sena se lebisitse litekong tse atlehileng tsa liphaephe tse bophara bo boholo joalo kaφ1016mm X65M + Motsoako o kopantsoeng 625leφ1067mm L360M + 316L.

● Potefolio e Felletseng ea Sehlahisoa:Re fana ka bobeliliphaephe tsa poleiti tse koahetsoeng ka tšepe(Φ508–1422mm) leliphaephe tse koahetsoeng ka weld overlay(Φ430–1422mm), e akaretsang mefuta e felletseng eaCRAthepa e hlokoang ke indasteri ea oli le khase.

● Rekoto e Pakiloeng ea Pina:Sehlopha sa rona se atlehile ho khothaletsa litharollo tsa rona ho basebetsi ba machaba ba kang ADNOC mme sa fana ka merero bakeng sa lits'ebetso tsa bohlokoa tsa indasteri, ho bontša boitlamo ba rona ho boleng le bokhabane ba boenjiniere.

Khetha Womic Steel bakeng sa projeke ea hau e latelang e hlokang liphaephe tse koahetsoeng tsa API 5LD tse sebetsang hantle le tse theko e tlaase.Ikopanye le rona ho buisana ka litlhoko tsa hau tse ikhethang tsa thepa le liphephetso tsa projeke.

Re motlotlo ka lits'ebeletso tsa rona tsa ho iketsetsa lintho, lipotoloho tse potlakileng tsa tlhahiso, le marang-rang a lefats'e a ho tlisa thepa, re netefatsa hore litlhoko tsa hau tse ikhethileng li fihlelleha ka nepo le bokhabane.
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