Ipayipi le-LSAW

Amapayipi-amakhulu awela izwe-amakhulu, ukuwela imifula, amajethi namafawundeshini ajulile akuvamile ukusebenzisa ipayipi elifanayo njengebhayela noma ulayini wenqubo omfushane. Lapha, abaklami bavame ukubizaI-LSAW (Longitudinal Submerged Arc Welded) ipayipi lensimbi, ngoba ivumela ukuthi zihlanganeipuleti elibanzi, ukujiya kodonga olusindayo kanye{0}}nama-seam weld alula ukuwahlola nokuwalandelela.

OI-ctal Pipe igxile kulolu hlobo lomsebenzi. Siyaphakelaipuleti-ipayipi le-LSAW elisuselwa ku-LSAW elikhiqizwe inqubo ye-JCOE enokushiselwa kwe-SAW okukabili-, isembozoI-API 5L Ibanga B-X100 kanye namamaki esakhiwo afanayo. Amamitha ukusuka400-1626 mmnokuqina kodonga kuze kufike75 mmvumela ibanga elilodwa le-LSAW ukuthi limbozeimigqa emikhulu, izihloko zeziteshi, inqwaba yasogwini namapayipi amakhulu amanzi, ngakho-ke akumele uphathe izigayo ezahlukahlukene kuyo yonke ingxenye yephrojekthi.

I-Dimensional Characters

Amabanga Abalulekile Nezigaba

I-Octal Pipe inikeza ipayipi le-LSAW ngokuvumelana ngokuqinile nomugqa owaziwayo-ipayipi nokucindezela{1}}izicaciso zepayipi. Amazinga ajwayelekile esiwasekelayo afaka:

• I-API SPEC 5L (PSL1 / PSL2)– Ipayipi likalayini lokuhambisa uwoyela, igesi namanzi; I-CVN, i-HIC/SSC ngephrojekthi.
• I-GB/T 9711-2017– Izimboni zikaphethiloli negesi yemvelo-Ipayipi lensimbi lokuthutha ngamapayipi (L245–L555).
• ISO 3183 (ngesicelo)– Ulayini wamazwe ngamazwe{0}}ojwayelekile wepayipi ovunyelaniswe ne-API 5L.
• I-ASTM A671 / ASTM A672– Ipayipi le-EFW/SAW lesevisi yomkhathi ukuya-yengcindezi ephezulu, amazinga okushisa aphakathi nendawo ukuya phezulu.
• I-GB/T 3091-2015– Ipayipi lensimbi elishiselwe-lesevisi yoketshezi olucindezelwayo oluphansi (kwezinhlelo zokusebenza ezikhethiwe zomphakathi/zezinsiza).
• I-SY/T 5037-2018– I-SAW ipayipi loketshezi olujwayelekile(kwezinye izindlela ze-SSAW uma zicacisiwe).
• Amazinga engeziwe asekhaya nawamazwe ngamazwe– isb, i-CSA Z245.1, iphrojekthi emuncu-izidingo zesevisi (ukukhethwa kwezinto ezibonakalayo kwe-NACE MR0175/ISO 15156), nokuhlolwa{6}}kwenkampani yangaphandle engu-3.2 kungahlelwa.

Izitifiketi zokuhlolwa kwe-Mill (EN 10204 3.1 / 3.2) namarekhodi agcwele e-NDT ayatholakala ngokuthunyelwa ngakunye.

• Ukulungiswa kwamapuleti → ukugaya onqenqemeni
• Ukwakha (JCOE noma UOE)
• I-Tack welding + i-SAW yangaphakathi/yangaphandle
• I-UT/RT (uma icacisiwe)
• Ukwandiswa + ukuqondisa + ukuqeda i-beveling
• I-Hydrotest + ukuhlolwa kokugcina (uma kucacisiwe)

Izilawuli Zolayini Wokukhiqiza Amapayipi we-LSAW

Ukulungiswa Kwempahla Engahluziwe

• Ipuleti/ikhoyili eshisayo eshisayo-ephuma ezigayweni eziqeqeshiwe ngaphansi kokuhlolwa okuqinile okungenayo
• Indawo engaphezulu ihlolwe yizinhlayiya kazibuthe / ukuhlolwa okubonakalayo ukuze kukhishwe ama-laminations kanye nokukhubazeka kwendawo
• Ukwakheka kwamakhemikhali kuqinisekisiwe ukuze kufane ne-API 5L edingekayo / ibanga lephrojekthi
• {0}Ukwehliswa kwamanzi anengcindezi ephezulu ukuze kuqinisekiswe indawo yensimbi ehlanzekile ngaphambi kokwakhiwa nokushisela

Ukwakha Ubuchwepheshe

• Ukuqaqa ngokunemba nokubeka ileveli ukuze kuzinze umumo wepuleti
• Ukuqondisa kwe-Hydraulic kanye nokwakheka okulawulwayo kwe-servo- ukuze uthole ububanzi obunembile bepayipi nobuyindilinga
• Ukulawulwa kokuqondanisa kokugoba/konqenqema ukugcina iyunifomu yegebe le-weld ubude obugcwele
• Inqubo yokwakha ithuthukisiwe ukuze kugwenywe i-weld seam "bulging" kanye nokungafani endaweni ehlangene

Inqubo yokushisela

• Iziteshi zokushisela ezizenzakalelayo{{0}eziphakeme{0}ezisebenza kahle kakhulu zezimpande nokugcwalisa amaphasi
• I-Multi-i-arc welding efakwe ngaphansi kwezintambo (izintambo ezingu-4–5) ukuze kuzuzwe ukungena okugcwele kanye nezinga eliphezulu lokumiswa
• Ukushisela okuqhubekayo,{0}}okugcwele ubude ukuze kuvikeleke ubuqotho obuhlangene kumapayipi amade e-LSAW
• -kumugqa wokuqapha ipharamitha yokushisela nokurekhoda ukuze ulandele ikhwalithi yokushisela

Ukuhlola{{0}Okungonakali

• Ukuhlola okuzenzakalelayo kwe-ultrasonic (UT) kumthungo we-weld kanye nesisekelo sensimbi eseduze
• 100% X-ray (RT) noma ukuhlolwa kwe-panoramic ku-weld ngokuya ngezidingo zephrojekthi/API
• Izinga lokufaneleka le-Weld elakhelwe ukweqa u-99.5% ngokulawulwa kwenqubo kanye{1}}nendlela yokusebenza kabusha

Ukwelashwa Okungaphezulu Nokwemboza

• Ukuhlanza/ukuqhunyiswa kwendawo kwangaphakathi nangaphandle kuya ebangeni lokumboza
• Amasistimu amaningi wokuhlanganisa -okugqwala ayatholakala: 3PE/3LPE, FBE, epoxy, noma amasistimu{3}}acacisiwe wephrojekthi
• Ukunamathela kokunamathela nokuqina kuhlolwe; usawoti-ukuhlolwa kwesifutho / ukuguga kungafinyelela Okukhulu noma kulingana no-1000 h kuye ngesistimu
• Amapayipi aphelile ahlinzekwe ngezivalo zokuphela kanye nokumaka ezokuthutha kanye nokufakwa kwenkundla

Kumaphrojekthi amaningi, umbuzo wokuqala awuwona "umuphi usayizi otholakalayo", kodwayiluphi uhlobo lwepayipi olufanele: LSAW, SSAW noma ERW. I-Octal ihileleke kuzo zontathu, kodwa kunezizathu ezicacile zokuthi kungani abaklami nabanikazi bakhetha ngamabomuIpayipi yensimbi ye-LSAWezimweni ezithile.

I-LSAW vs SSAW (i-spiral welded)

Ipayipi le-SSAW (spiral welded) lisebenza kahleizintambo zamanzi ezinomfutho ophansi ukuya omaphakathi kanye namanye amapayipi angasogwinilapho izindleko zingumshayeli omkhulu. Nokho, abaningiamapayipi{0}adlulisa ingcindezi ephezulu, ukuwela imifula, amapayipi asogwini lolwandle kanye nezinqwaba zesakhiwozicaciswe njengeI-LSAWngoba:

• ii-weld seam iqondile, kulula ukuhlola nokufaneleka ukuthola i-AUT kanye nemishini yokuphuka;
• ukuqina kwezindonga ezinzima (kufika ku-40-75 mm) iyasebenza kakhulu epuletini kunase-spiral;
• abanyeamakhodi okuklama kanye nokucaciswa kweklayenti kukhawulela noma kungafaki amashiseli asongekileezindaweni{0}ezinemiphumela ephezulu.

Njengomphumela, amaphrojekthi we-API 5L abizayoI-X60–X80 ene-CVN / DWTT kanye ne-HIC yokuzikhethelangokuvamile bagcina besebenzisaiqonde-umthungo we-LSAWezigabeni ezibalulekile, noma ngabe i-SSAW ivunyelwe kwenye indawo.

I-LSAW vs ERW (ukumelana nogesi okushiselwe)

I-ERW ijwayelekileamadayamitha amancane naphakathikumanethiwekhi okusabalalisa, i-casing kanye nomsebenzi wesakhiwo jikelele. Uma i-OD idlula cishe400-508 mmfuthi ukushuba kodonga kuba nzima, abanikazi abaningi bashintshela kuboipuleti-kusekelwe ku-LSAWngoba:

• iokokufaka ukushisa, ukuma kwe-weld kanye nokufinyelela kwe-NDTkuma-SAW ama-seams afaneleka kangcono-ebondeni,{1}}ipayipi elikhulu lobubanzi;
• Izidingo ze-API 5L PSL2 nezivivinyo ezengeziwe(i-DWTT, i-CTOD, njll.) kulula ukuhlangana nayo futhi ibhalwe ku-plate{1}ngokusekelwe kuma-longitudinal seams;
• okweizinqwaba kanye namashubhu esakhiwo, inhlanganisela yokuqina kodonga, ukulawulwa kwe-ovality nokuqondisa kuthanda i-LSAW.

Kumakhasimende akwa-Octal, lokhu ngokuvamile kusho:ERWnge-bore encane,I-SSAWlapho ingcindezi ephansi/emaphakathi kanye nezindleko zibusa khona, futhiI-LSAWnoma yikuphi lapho umugqa noma isakhiwo sikhonaumphumela omkhulu, ingcindezi ephezulu noma ngaphansi kokubuyekezwa okuqinile-kwenkampani yangaphandle.

Uma uyalaIpayipi lensimbi elishiselwe i-LSAW, awuthengi nje insimbi ngamathani. Uthenga ikhonofanisa imidwebo, uphumelele i-AUT kanye{0}}nokuhlolwa okuvela eceleni, futhi ugcine ukwakhiwa kusesikhathini.
Ububanzi be-Octal Pipe enkulu-yayoIsigayo se-LSAW eChinaisethwe ngokuzungeze lawa maphuzu, ngakho isebenza ngendlela amapayipi namaphrojekthi esisekelo asebenza ngayo.

Kusuka Ezinkingeni Zomthengi Kuya Ekuletheni Ipayipi Le-Octal

Yini Okumele Ngemuva Kwalokhu Esigayweni Sepayipi Le-Octal

Isikhungo se-LSAW se-Octal Pipe sienikezelwe kupayipi-lomthungo omkhulu, oqondile, hhayi indawo yokusebenzela-encane exubile. Iwindi lokukhiqiza - ngokuvamileI-OD 400–1626 mm, udonga 8–50+ mm, ku-API 5L B–X80 namabanga esakhiwo afanayo- yakhelwe eduze namacala okusetshenziswa kwangempela:imigqa yokuqoqa, igesi yedolobha, ukuthuthwa kwamanzi, amajakhethi, inqwaba namapayipi asindayo-amalungu. Lokho kusho ukuthi ukucaciswa kwakho kuvame ukuwela ngaphakathi “kwendawo emnandi” yesigayo, esikhundleni sokuphoqwa ukuthi ufinyelele emaphethelweni alokho okokusebenza okungenziwa.

Ngemuva komkhiqizoIpayipi le-Octal, kunomugqa owakhelwe ukwenza into efanayo kahle, kaningi:

• Unqenqema lwepuleti le-CNC-lokugaya nokugoba{1}}okungagadiwenikeza i-weld groove ehlanzekile, ephindaphindwayo, ukuze wonke ama-longitudinal seam aqale ku-geometry efanayo.
• I-automatic tack welding kanye neziteshi zangaphakathi / zangaphandle ze-SAWgcina ilunga liqondanisiwe kanye nokufakwa kokushisa ngaphansi kokulawula, unciphisa ukulungisa okwenziwa ngesandla kanye nokuziphatha kokushisela okungalindelekile.
• Ku--umugqa we-UT wama-seam kanye{1}}nokuhlola okugcwele kwe-hydrostatic ubudeqinisekisa ukuthi amapayipi kuphela anobuqotho obuqinile bokushisela aphuma emshinini futhi afake iphrojekthi yakho.

Isistimu yekhwalithi ngemuva kwalokhu ihambisana nayoIzidingo zesitayela ze-ISO 9001-ne-API, esekelwa amalayisense kazwelonke okukhiqiza ipayipi{0}}nokunamathela, kanye nezitifiketi zomkhiqizo ezifanaI-API 5Llapho kudingeka khona. Empeleni, lokho kusho ukuthi utholaamabhuku edatha ahlelekile– I-MTCs, NDT kanye nezifinyezo ze-hydrotest, amalogi okokunamathisela – ngefomethi ehambisana nephayiphi lamazwe ngamazwe namaphrojekthi ayisisekelo, esikhundleni semibiko exegayo kufanele uzihlele kabusha{0}.

Ekugcineni, indlela i-Octal Pipe esebenza ngayo nesigayo injaloiphrojekthi-ithambekele, hhayi nje{1}}okuphumayo{2}}okugxile. Sixhuma ukukhiqizwa kwe-LSAW, ukuhlanganisa,{1}}ukuhlolwa kwenkampani yangaphandle kanye nempahla yolwandle kushejuli eyodwa, futhi sikhuluma kokubili "ulimi lwephrojekthi" kanye "nolimi lokugaya". Kuwe njengomthengi, umphumela uwukuthiOctal Pipe LSAW umugqa ipayipi nezinqwabafika endaweniilungele ukushisela, ukushayela nokufaka, esekelwa imibhalo kanye nokulawulwa kwenqubo okufana nalokho amaqembu ephrojekthi yakho namaklayenti wokugcina akulindele ngempela.

Ukukhetha Umhlinzeki Wepayipi we-LSAW e-China

Uma uhlolaIpayipi le-LSAW elivela eChina, ubungozi bangempela akukhona ukuthi "bangakwazi ukwenza ipayipi" - ukuthi umphakeli angakwazi yini ukulethaukuqhathanisa, ububanzi obufundekayo(ukwakha umzila + ukuhlola + ukulandeleka + ukupakisha okuthekelisa) ukuze ukwamukela kwakho kanye nephrojekthi ye-QA ingabambeki ebufakazini obungekho. NgoIpayipi le-Octal, sisebenzisa ukunikezwa kwe-LSAW njenge-ukuthenga{0}iphakheji elawulwayo: ipayipi eliyisisekelo eliya kuzinga eli-odiwe, izindawo zokubamba zokuhlola eziqondaniswe ne-ITP yakho, kanye nesikhombi sokuthunyelwa esingakwazi ukusihlanganisa ngokushesha.

• Khipha ukupakisha okufana neqiniso lokubamba: Ngokuhamba{0}}ukuthutha/ukuthumela ngaphandle, cacisa ukuvikela ekugcineni, ukuvikela kwe-edge/bevel, izindawo zokuphakamisa, kanye nokupakishwa okufanele olwandle ukuze umonakalo ungenzeki phakathi kwesigayo, imbobo, negceke.
• I-China-inzuzo yokuxhumana yendawo: Uma uhlanganisa ipayipi + i-beveling + coating/packing ngaphansi kwe-PO eyodwa, ukunyakaza kwangaphakathi nezwe futhi{3}}izinyathelo zokubamba ziyancishiswa - okuvamise ukuba lapho umonakalo we-bevel, ukungcoliswa kwe-ID, kanye nezikhala zamaphepha zenzeka khona.
• Ububanzi bokuhlola be-Weld benziwe baqhathaniseka: Bhala izidingo ze-UT/RT njengeindlela + yokuhlanganisa + isisekelo sokwamukela; kungenjalo ezimbili"Abahlinzeki bepayipi base-China LSAW" ingacaphuna ibanga elifanayo ngokulethwa okuhluke ngokuphelele kokuhlolwa.

Okutholayo uma kucaciswe ku-PO/ITP: I-MTC/CMTR (EN 10204 3.1/3.2), umbiko we-NDT (indlela/ukufakwa/ukwamukela/imiphumela), irekhodi le-hydrotest (ingcindezi/ukubamba/umphumela), umbiko wobukhulu, nohlu lokupakisha/lokumaka oluboshelwe kuma-ID wepayipi/wenqwaba (ifayela ledijithali litholakala uma licelwa).

Izindawo Zokusebenza Ezibalulekile

 

Ukwesekwa kwesakhiwo nezisekelo

 

Ngaphandle kwezokuthutha okuhlanzekile, ipayipi le-Octal LSAW lisetshenziswa kabanzi njengeinsimbi yesakhiwo: ulwandle olungaphansi naseduze-nosebeinqwaba, imilenze yejakhethi, inqwaba yesiketi, amahlengethwa, izisekelo ze-jetty kanye ne-quay wall, izinsimbi zamabhuloho namakholomu amapayipi asindayo{0}. Inhlanganisela yamapuleti{1}okusekelwe odongeni ukujiya kanye nokuqondisa okulawulwayo kunikeza amandla okucindezela nokugoba okudingekayo ekushayeleni, ekugibeni kanye{2}}nokulayisha umjikelezo wesikhathi eside.

Ukudluliswa nokuqoqwa koketshezi namagesi

 

Ipayipi le-Octal LSAW lisetshenziselwaamapayipi-amade nawesifundaukuthwala uwoyela ongahluziwe, imikhiqizo ecolisisiwe, igesi yemvelo, igesi ecebile, amanzi akhiqiziwe kanye{0}}nenqwaba yemikhiqizo. Udonga-olusindayo,{3}osayizi abakhulu bobubanzi luvumela abaklami ukuthi bahlanganephezulu{0}kubekwe ngesilawuli sokucindezela esizinzile, kuyilapho i-CVN/DWTT/izinhlelo ze-HIC eziqoshiwe ezibhaliwe zisekela kokubili izidingo zesevisi ezimnandi nezimuncu.

Amatheminali, ingqalasizinda yokugcina kanye nokulayisha

 

Ngoamatheminali kawoyela namakhemikhali, amapulazi amathangi kanye namajethi okulayisha, ipayipi le-Octal LSAW lisetshenziselwaimigqa yokungena/yokukhipha, izihloko eziningiliziwe, imigqa yokulayisha ezindaweni zasolwandle kanye noxhumo lwe-SPM/buoy. I-OD elawulwayo, i-bevel geometry kanye nekhwalithi yokuhlanganisa kusiza ukunciphisa{1}}ukufaneleka kwesayithi{2}}ubude besikhathi nokulungiswa kwe-coating, ukuze amaqembu okwakha akwazi ukubopha amathangi, amaphampu nezingalo zokulayisha ngokulungiswa kwenkundla okumbalwa.

Amasistimu e-Petrochemical kanye nezimboni

 

Kuizindawo zokucwenga, i-petrochemical complexes, izitshalo ze-LNG namayunithi kamanyolo,-ipayipi elikhulu le-LSAW elibhorekile lifakwa kuloimigqa yokuvuleka kanye ne-blowdown, izihloko zezitshalo, inqwaba yamapulazi ethangi, imigqa yokutakula umhwamuko namaphaseji asetshenziswayolapho amadayamitha edlula ububanzi obujwayelekile obungenamthungo. UkufanisaAPI, ASTM kanye EN amamaki, kanye nezinketho zokuhlanganisa zangaphakathi nezangaphandle, vumela umndeni owodwa we-LSAW ukuthi uhlanganise-amasevisi okucindezela{1}okugeleza aphezulu, amaphakathi{1}}namadokhumenti angaguquguquki nokuhlola.

 

Buka amacala ephrojekthi ahlobene

Chofoza lapha

Ukulungiselelwa Okujwayelekile Kwepayipi Lensimbi ye-LSAW ngohlobo Lwesevisi

Emapayipini{0}}emiphumela ephezulu kanye nezisekelo, abathengi abadingi nje isigayo; bayakudingaukulawula, ukulandeleka kanye nokwesekwa okusheshayo uma kukhona okungahambi kahle. I-Octal Pipe yakha ukunikezwa kwayo kwe-LSAW cishe ngalokho.

1. Ifilosofi "yokulawula okungu-100%" - zonke izinyathelo ezibucayi ziyahlolwa

Esikhundleni sokusampula izingcezu ezimbalwa futhi sikubize kahle, isigayo sethu se-LSAW sisebenzisa aayisishiyagalolunye-isikimu sokulawula esingu-100%.kusuka kokusetshenziswa okuluhlaza kuya ekupakisheni:

Kuwe, lokhu kusho ukuthi noma yiluphi ucezu umnikazi-oluthathwa ngumhloli weqembu lesithathu, kukhonaumzila wokuhlola ophelele ngemuva kwayo, esikhundleni sezikhala kumarekhodi.

2. Idijithali, umugqa ozenzakalelayo wekhwalithi yokushisela ephindaphindwayo

Ulayini wethu wokukhiqiza uklanyelwe ukuthatha ngokungahleliwe okuningi ngangokunokwenzeka ekushiseleni nasekubunjweni kwe-seam:

• Idijithali ngokugcwele, ulayini wokukhiqiza onenethiwekhi- amayunithi abalulekile afana ne-UT, i-edge milling, ukwakha, i-welding, ukwandisa kanye ne-hydrotest ingaphansi kokuqapha okuphakathi, ngakho-ke imingcele yenqubo ingalandelelwa emuva kupayipi ngalinye.
• I-Double-ifakwe ngaphansi-i-arc welding enezigaba eziku-inthanethi-i-array UT– ngemva kokushisela i-SAW yangaphakathi nangaphandle, umthungo ngamunye uhlolwa ngokushesha ngokuhlolwa kwe-inthanethi kwe-ultrasonic ngokuhlolwa kwe-spot X-ray. Amapharamitha e-weld kanye nemiphumela kurekhodwa ngokugcwele, okugcina izinga lokulungisa liphansi kakhulu futhi livumela{2}}ukudlula ukwamukelwa kokushisela ukuthi kufinyelele99.99%.
• Ukunwetshwa komshini-okugcwele- wonke amapayipi anwetshwa ngomshini ngemva kokushiselwa, okukhulula izingcindezi ezisele futhi athuthukise ukujikeleza nokuqondile. Lokhu kwenza ukugoba kwenkundla, i-girth welding kanye nokushayela kwenqwaba kubikezelwe.
• I-CNAS-usekelo olugunyaziwe lwaselabhorethri– zonke izinhlelo zokuhlola kanye neziqu zezinqubo (i-CVN, i-DWTT, i-HIC / i-SSC, njll.) zenziwa-kulabhorethri kazwelonke egunyaziwe, ngakho idatha yokuhlola ingamukelwa kumaphrojekthi wamazwe ngamazwe ngaphandle{2}}kokuhlolwa kabusha.

Umphumela uba ukuthi ukuziphatha komthungo weIpayipi le-Octal LSAWakuyona indaba yenhlanhla:amapayipi anosayizi ofanayo kanye nebanga aziphatha ngokungaguqukiekushiseleni, NDT kanye service.

3. Uhlelo lwesevisi olwakhelwe eduze kwamaphrojekthi, hhayi nje ama-oda

Ukulawula emshinini wokugaya kuxazulula kuphela ingxenye yenkinga. I-Octal Pipe iphinde isebenzise imodeli yesevisi elandela isigqi samaphrojekthi wangempela:

• Ukucubungula okwenziwe ngendlela oyifisayo-okuphezulu– singaletha ipayipi le-LSAWukusika kube ubude bephrojekthi,{0}}kubekwe ngaphambili, kumakwe, kulungiswe izimbobo noma imikhonongokwemidwebo, ngakho-ke impahla ifika esizeni eduze nokuthi "ilungele ukushiselwa / ilungele ukushayela" hhayi njengesitoko-esiqediwe esidinga umsebenzi-onzima.
• Sula ukuzibophezela{0} kwempendulo yenkinga- uma inkinga yomkhiqizo isiqinisekisiwe, sihlose ukuba sesayithiniAmahora angama-48 kumaphrojekthi asekhaya kanye namahora angama-96 kumaphrojekthi aphesheya kwezilwandle, noma hlela ozakwethu abathembekile basendaweni /{0}}abavela eceleni ukuze basize. Umgomo uwukusiza ukuthi ubone umsuka futhi uvumelane nesixazululo esisebenzayo ngokushesha, hhayi nje ukushintshanisa ama-imeyili.
• Ukusekelwa kwezobuchwepheshe okungu-24/7 yiqembu elinolwazi- Abasebenzi bokuthengisa, ezobuchwepheshe, be-QA kanye nempahla basebenza njengeqembu elilodwa lephrojekthi. BayaziI-API 5L, GB/T 9711, ASTM A671 / A672 kanye nezidingo zesifundaeMpumalanga Ephakathi, eNingizimu-mpumalanga ye-Asia, e-Afrika nakwezinye izimakethe, futhi ingahlaba umkhosi izigaba lapho abanikazi noma abaphathi abavame ukugxila kuzo ngaphambi kokuba zibe yizinkinga.

Okwama-EPC namaqembu okuthenga,Ipayipi le-Octalngakho-ke akulona nje igama esitifiketini sokugaya, kodwa umphakeli ohlanganisa:

• 100% elawulwa ukukhiqizwa kwe-LSAW,
• ukulandeleka, ukucwaningwa{0}}amadokhumenti alungile, futhi
• ukusekelwa kwephrojekthi esabelayouma udinga usizo esizeni.

Xhumana manje

Inkinga Ejwayelekile

Q1:Iyini ipayipi yensimbi ye-LSAW?

A: Ipayipi lensimbi le-LSAW (ipayipi elishiselwe i-Arc Longitudinal Submerged)iyipayipi elikhulu-elishiselwe ngobubanzi elenziwe ngepuleti nge-JCOE/UOE eyakhekayo kanye{1}}nezinhlangothi ezimbili ezishiselwe ngeSAW. Isetshenziselwa ikakhulukazi{0}amapayipi owoyela anengcindezi ephezulu, igesi namanzi kanye nezinqwaba zesakhiwo.

Q2: Yimaphi amasayizi amapayipi e-LSAW ajwayelekile nobubanzi bodonga?

A: Izinsiza ze-OctalIpayipi le-LSAWngamasayizi ajwayelekileOD 400–1626 mmngeubukhulu bodonga 6-75 mm, ngobude obubodwa nxazonke6.5–12.6 m, ehlanganisa iningi-ipayipi elikhulu lomugqa kanye nokunqwabelanisaizidingo.

Q3: Uyini umehluko phakathi kwepayipi le-LSAW nepayipi le-SSAW / ERW?

A: Ipayipi le-LSAWunayo aiqonde longitudinal SAW umthungoeyenziwe ngepuleti, efanelekileububanzi obukhulu, udonga olusindayo kanye{0}}nemigqa yokucindezela / ephezulu{1}}yemiphumela. I-SSAWinomthungo ovunguzayo futhi ivamise ukusetshenziselwa-ukucindezela, izindleko{1}}imigqa ezwelayo;ERWikakhulu eyeamadayamitha amancane naphakathi.

Q4: Yimaphi amazinga namabanga ipayipi lomugqa we-Octal API 5L LSAW ethobelana nawo?

A: OctalIpayipi lomugqa we-API 5L LSAWkukhiqizwa ukuzeI-API 5L PSL1 / PSL2, GB/T 9711 kanye ne-ISO 3183, emabangeniL245/B kufika ku-L690/X100, ngeZU 10204 3.1 / 3.2 izitifiketi kanye namarekhodi agcwele e-NDT / hydrotestngesicelo.

Izitifiketi

 

Isitifiketi se-CE

Isitifiketi se-ISO 9001

Isitifiketi se-API Q1

Isitifiketi se-ABS

Isitifiketi se-AP-5L

Isitifiketi se-API-5CT

 

I-API SPEC 5L (PSL1 / PSL2)– Ipayipi likalayini lokuhambisa uwoyela, igesi namanzi; I-CVN, i-HIC/SSC ngephrojekthi.

I-GB/T 9711-2017– Izimboni zikaphethiloli negesi yemvelo-Ipayipi lensimbi lokuthutha ngamapayipi (L245–L555).

ISO 3183 (ngesicelo)– Ulayini wamazwe ngamazwe{0}}ojwayelekile wepayipi ovunyelaniswe ne-API 5L.

I-ASTM A671 / ASTM A672– Ipayipi le-EFW/SAW lesevisi yomkhathi ukuya-yengcindezi ephezulu, amazinga okushisa aphakathi nendawo ukuya phezulu.

I-GB/T 3091-2015– Ipayipi lensimbi elishiselwe-lesevisi yoketshezi olucindezelwayo oluphansi (kwezinhlelo zokusebenza ezikhethiwe zomphakathi/zezinsiza).

I-SY/T 5037-2018– I-SAW ipayipi loketshezi olujwayelekile(kwezinye izindlela ze-SSAW uma zicacisiwe).

Amazinga engeziwe asekhaya nawamazwe ngamazwe– isb, i-CSA Z245.1, iphrojekthi emuncu-izidingo zesevisi (ukukhethwa kwezinto ezibonakalayo kwe-NACE MR0175/ISO 15156), nokuhlolwa{6}}kwenkampani yangaphandle engu-3.2 kungahlelwa.

Izitifiketi zokuhlolwa kwe-Mill (EN 10204 3.1 / 3.2) namarekhodi agcwele e-NDT ayatholakala ngokuthunyelwa ngakunye.

Amashadi ashisayo: I-LSAW Pipe, China LSAW Pipe abakhiqizi, abahlinzeki,I-LSAW Pipe Manufacturing