LSAW Pipe

Manya-manyan - giciye diamita{1} bututun ƙasa, mashigar kogi, jetties da tushe mai zurfi ba safai suke amfani da bututu ɗaya azaman tukunyar jirgi ko gajeriyar layin sarrafawa. A nan, masu zanen kaya yawanci suna kiraLSAW (Longitudinal Submerged Arc Welded) bututun ƙarfe, domin yana ba su damar haɗuwafaranti mai faɗi, kaurin bango mai nauyi da madaidaiciyar walda{0} ɗinki masu sauƙin dubawa da ganowa.

Octal Pipe yana mai da hankali kan irin wannan aikin. Muna samarwafarantin - bututun LSAW da aka samar ta hanyar JCOE tare da walda SAW mai gefe biyu{1}, suturaAPI 5L Daraja B–X100 da madaidaitan matakan tsari. Diamita daga400-1626 mmda kaurin bango har zuwamm 75ba da damar kewayon LSAW ɗaya don rufewalayukan gangar jiki, masu kai tasha, tulin teku da manyan magudanan ruwa, don haka ba lallai ne ku sarrafa injina daban-daban na kowane bangare na aikin ba.

Halayen Girman Girma

Matsayin Material da Rarrabawa

Octal Pipe yana samar da bututun LSAW daidai da sanannen layi{0}} bututu da matsa lamba - ƙayyadaddun bututun. Ma'auni na yau da kullun da muke tallafawa sun haɗa da:

• API SPEC 5L (PSL1 / PSL2)- Bututun layi don watsa mai, iskar gas da ruwa; CVN, HIC/SSC ta aikin.
• GB/T 9711-2017– Masana’antun man fetur da iskar gas{0}} Bututun ƙarfe don jigilar bututu (L245–L555).
• ISO 3183 (kan bukata)– Layi na ƙasa da ƙasa{0}madaidaicin bututun da ya dace da API 5L.
• ASTM A671 / ASTM A672– EFW/SAW bututu don yanayin yanayi zuwa babban sabis na matsa lamba, matsakaici zuwa yanayin zafi.
• GB/T 3091-2015– Bututun ƙarfe mai walda don ƙarancin sabis na ruwa mai ƙarfi (don ƙayyadaddun aikace-aikacen farar hula/mai amfani).
• SY/T 5037-2018– SAW bututu ga talakawa ruwaye(don SSAW madadin lokacin da aka ƙayyade).
• Ƙarin ma'auni na cikin gida & na duniya– misali, CSA Z245.1, project m- buƙatun sabis (NACE MR0175/ISO 15156 zaɓin abu), da{6}} na uku na dubawa na 3.2.

Takaddun shaida na gwaji na Mill (EN 10204 3.1 / 3.2) da cikakkun bayanan NDT suna samuwa tare da kowane jigilar kaya.

• Shirye-shiryen faranti → niƙa gefen
• Samar da (JCOE ko UOE)
• Tack waldi + SAW na ciki/na waje
• UT/RT (lokacin da aka ƙayyade)
• Fadada + daidaitawa + ƙare beveling
• Hydrotest + dubawa na ƙarshe (lokacin da aka ƙayyade)

Sarrafa Layin Samar da Bututu LSAW

Danyen Kayan Shiri

• Zafi{0}} farantin birgima/nadi daga ƙwararrun masana'anta ƙarƙashin ingantacciyar dubawa mai shigowa
• An bincika saman ta hanyar maganadisu / duban gani don kawar da laminations da lahani
• An tabbatar da ƙunshin sinadarai don dacewa da API 5L da ake buƙata / matakin aikin
• Matsakaicin matsa lamba{0} ruwa don tabbatar da tsaftataccen saman karfe kafin kafa da walda

Ƙirƙirar Fasaha

• Daidaitaccen kwancewa da daidaitawa don daidaita siffar farantin
• Madaidaicin na'ura mai aiki da karfin ruwa da servo{0} sarrafawa don samar da ingantaccen diamita da zagaye
• Digital lankwasawa/baki sarrafa jeri don ci gaba da weld tazarar uniform tare da cikakken tsawon
• An inganta tsarin ƙirƙira don guje wa suturar walda "kumburi" da rashin daidaituwa a haɗin gwiwa

Tsarin walda

• Manyan tashoshin walda masu inganci na atomatik{{0} don tushen da cika fasfo
• Multi{0}waya mai nutsar da baka mai walda (wayoyi 4-5) don cimma cikakkiyar shigar ciki da ƙimar ajiya mai girma
• Ci gaba, cikakken tsawon - walda don tabbatar da amincin haɗin gwiwa akan dogayen bututun LSAW
• A cikin- sa ido akan ma'aunin walda na layi da yin rikodi don gano ingancin walda

Gwajin Ba -

• Gwajin ultrasonic ta atomatik (UT) akan kabu na weld da ƙarfe tushe kusa
• 100% X-ray (RT) ko jarrabawar panoramic akan walda bisa ga buƙatun aikin/API
• Ƙimar cancantar walda da aka ƙirƙira don wuce 99.5% ta hanyar sarrafa tsari da sake{1}} madaidaicin aiki

Maganin Sama & Rufe

• Ciki da waje tsaftacewa / fashewar fashe zuwa darajar shafi
• Tsarukan kariya da yawa - akwai: 3PE/3LPE, FBE, epoxy, ko aikin{3}} ƙididdiga na tsarin
• An bincika mannewa da kauri; gishiri{0}}Gwajin feshi / tsufa na iya kaiwa sama da ko kuma daidai da sa'o'i 1000 dangane da tsarin
• Bututun da aka ƙare waɗanda aka ba su tare da iyakoki na ƙarewa da yin alama don sufuri da shigarwar filin

Don ayyuka da yawa, tambayar farko ba "wanne girman yake samuwa", ammawane nau'in bututu ya dace: LSAW, SSAW ko ERW. Octal yana da hannu a cikin duka ukun, amma akwai dalilai bayyananne dalilin da yasa masu zanen kaya da masu mallaka suka zaɓa da ganganLSAW karfe bututua wasu lokuta.

LSAW vs SSAW (spiral welded)

SSAW (spiral welded) bututu yana aiki da kyau donƙananan layukan ruwa masu matsa lamba zuwa matsakaici da wasu bututun da ke bakin tekuinda kudin ne babban direban. Duk da haka, da yawamanyan bututun watsa matsa lamba, magudanar ruwa, bututun bakin teku da tarian kayyade kamar yaddaLSAWsaboda:

• daweld dinki madaidaiciya, Sauƙi don bincika da kuma cancanta ga injiniyoyin AUT da fracture;
• kauri bango mai nauyi (har zuwa 40-75 mm) ya fi aiki daga farantin karfe fiye da karkace;
• wasulambobin ƙira da ƙayyadaddun ƙayyadaddun abokin ciniki suna iyakance ko keɓance walda mai karkacea cikin manyan wuraren sakamako{{0}.

Sakamakon haka, ayyukan API 5L waɗanda ke kiraX60-X80 tare da CVN / DWTT da HIC na zaɓisau da yawa kawo karshen amfanimadaidaiciya - dinki LSAWga sassa masu mahimmanci, ko da an yarda da SSAW a wani wuri.

LSAW vs ERW (lantarki juriya welded)

ERW na kowa donkanana da matsakaicin diamitaa cikin cibiyoyin sadarwar rarraba, casing da aikin tsarin gabaɗaya. Da zarar OD ya yi sama sosai400-508 mmkuma kaurin bango yana ƙara nauyi, yawancin masu su canza zuwafarantin - LSAWsaboda:

• dashigar da zafi, siffar walda da samun damar NDTa cikin rigunan SAW sun fi dacewa da kauri -bango, manyan bututun diamita;
• API 5L PSL2 buƙatun da ƙarin gwaje-gwaje(DWTT, CTOD, da dai sauransu) sun fi sauƙi ga saduwa da rubutawa akan faranti - tushen tsayayyen kabu;
• domintari da tsarin tubulars, Haɗuwa da kauri na bango, sarrafa ovality da madaidaiciyar ni'imar LSAW.

Ga abokan cinikin Octal, wannan yawanci yana nufin:ERWga kananan guntu,SSAWinda ƙananan / matsakaicin matsa lamba da farashi suka mamaye, kumaLSAWduk inda layi ko tsari yakebabban sakamako, babban matsin lamba ko ƙarƙashin tsauraran bita na ɓangare na uku-.

Lokacin da kuka yi odaLSAW welded karfe bututu, ba kawai kuna siyan karfe ta ton ba. Kuna siyan iyawa donzanen wasa, wuce AUT da na uku{0} dubawa na ƙungiya, kuma a ci gaba da yin gini akan jadawali.
Octal Pipe nasa babban diamita{0}Kamfanin LSAW a Chinaan kafa shi a kusa da ainihin waɗannan wuraren, don haka yana aiki yadda ayyukan bututun da tushe ke gudana a zahiri.

Daga Damuwar Mai Saye zuwa Abin da Bututun Octal ke bayarwa

Abin da ke Tsaya Bayan Wannan a cikin Tushen Octal Pipe Mill

Kayan aikin LSAW na Octal Pipe shinesadaukar da babban, madaidaiciya - bututun kabu, ba gauraye karami ba{0}}aramin bita. Tagar samarwa - yawanciOD 400–1626 mm, bango 8–{3}} mm, a cikin API 5L B–X80 da madaidaitan matakan tsari- an gina shi a kusa da shari'o'in amfani na gaske:gangar jikin da layin tarawa, iskar gas na birni, watsa ruwa, jaket, tulu da manyan bututu{0}. Wannan yana nufin ƙayyadaddun ku yawanci yakan faɗi cikin “tabo mai daɗi” na niƙa, maimakon tilastawa zuwa ƙarshen abin da kayan aikin za su iya yi.

Bayan alamarOctal Pipe, akwai layin da aka gina don yin abu ɗaya daidai, akai-akai:

• CNC farantin karfe -niƙa da rashin kula kafin lankwasawaba da tsattsauran ramin walda mai maimaituwa, don haka kowane kabu mai tsayi yana farawa daga lissafi iri ɗaya.
• Welding tack ta atomatik da tashoshin SAW na ciki / wajekiyaye haɗin gwiwa daidaitacce da shigarwar zafi a ƙarƙashin iko, yanke gyare-gyaren hannu da halayen walda maras tabbas.
• Akan layin UT na seams tare da cikakken gwajin hydrostatic tsawon tsawon{{1}tabbatar da cewa kawai bututu masu tabbatar da ingancin walda suna barin niƙa kuma su shiga aikin ku.

Tsarin inganci a bayan wannan yana daidaitawa daISO 9001 da API{1}} bukatu na salo.API 5Linda ake bukata. A aikace, wannan yana nufin ka karɓalittafan bayanai da aka tsara– MTCs, NDT da taƙaitattun bayanan hydrotest, rajistan ayyukan shafi – a cikin tsarin da ya dace da bututun ƙasa da kuma ayyukan tushe, maimakon rahotanni maras tushe dole ne ku sake shirya kanku.

A ƙarshe, yadda Octal Pipe ke aiki tare da niƙa shineaikin -mai daidaitacce, ba kawai niƙa{1}}fitarwa{2}}. Muna haɗa samar da LSAW, shafi, dubawa na ɓangare na uku{1} da jigilar kaya zuwa cikin jadawali ɗaya, kuma muna magana da "harshen aikin" da "harshen niƙa". A gare ku a matsayin mai siye, sakamakon haka shineOctal Pipe LSAW bututu da tarawaisa wurinshirye don walda, tuƙi da shigarwa, goyan bayan takardu da sarrafa tsari waɗanda suka dace da abin da ƙungiyoyin aikin ku da abokan ciniki na ƙarshe suke tsammani.

Zabar mai samar da bututun LSAW a China

Idan kana samo asaliLSAW bututu daga China, ainihin haɗarin ba "za su iya yin bututu ba" - shine ko mai kawo kaya zai iya ba dam, iyawar da za a iya dubawa(ƙirƙirar hanya + dubawa + ganowa + tattarawar fitarwa) don haka karɓar ku da aikin QA kar su makale akan ɓacewar shaidar. AOctal Pipe, muna gudanar da samar da LSAW a matsayin asiyayya -kunshin sarrafawa: bututu tushe zuwa daidaitattun da aka ba da oda, wuraren dubawa masu daidaitawa zuwa ITP ɗinku, da kuma gano jigilar kayayyaki cewa ma'ajin ku na iya daidaitawa cikin sauri.

• Fitar da fakitin da ya dace da gaskiyar sarrafawa: Tsawon dogon{0}} jigilar kaya/fitar da kayayyaki, ƙayyadaddun kariyar ƙarshen, kariyar gefuna, wuraren ɗagawa, da marufi masu dacewa na teku don kada lalacewa ta faru tsakanin injin niƙa, tashar jiragen ruwa, da yadi.
• -Amfanin haɗin kai na {asar China: Lokacin da kuka haɗa bututu + beveling + rufi/ tattarawa a ƙarƙashin PO guda ɗaya, motsawar cikin gida da sake{4}} ana rage matakan aiwatarwa - wanda shine galibi inda lalacewar bevel, gurɓataccen ID, da gibin takarda ke faruwa.
• Ikon dubawa na weld yayi daidai: Rubuta buƙatun UT/RT azamanhanya + ɗaukar hoto + tushen yarda; in ba haka ba biyu"China LSAW masu samar da bututu"zai iya faɗi maki iri ɗaya tare da abubuwan dubawa daban-daban.

Abin da kuke karɓa lokacin da aka ƙayyade a cikin PO/ITP: MTC/CMTR (EN 10204 3.1/3.2), rahoton NDT (hanyar / ɗaukar hoto / karɓa/sakamako), rikodin hydrotest (matsi / riƙe/sakamako), rahoton girma, da lissafin fakitin / alamar alama da aka ɗaure zuwa ID na bututu/bundle (fayil na dijital akwai lokacin da aka nema).

Mabuɗin Yankunan Aikace-aikacen

 

Taimakon tsari da tushe

 

Bayan sufuri mai tsabta, ana amfani da bututun LSAW na Octal azamantsarin karfe: tekun karkashin ruwa da kuma kusa da tekun -tara, kafafun jaket, tulin siket, dolphins, goyan bayan bangon jetty da quay, gada da manyan bututu{0}}. Haɗin farantin tushe - tushen kauri na bango da madaidaiciyar sarrafawa yana ba da ƙarfin matsawa da juriyar lankwasawa da ake buƙata don tuki, grouting da dogon lokaci{2} lodin keken keke.

Watsawa da tara ruwa da iskar gas

 

Ana amfani da bututun LSAW na Octal dondogon{0}} bututun nisa da yankidauke da danyen mai, da tacewa, iskar gas, iskar gas mai wadata, samar da ruwa da batches da yawa. Nauyi{2}}bango, manyan diamita{3} yana ba masu ƙira damar haɗawamai girma ta hanyar{0}} sanya tare da ingantaccen sarrafa matsi, yayin da aka rubuta CVN / DWTT / shirye-shiryen HIC na zaɓi suna goyan bayan buƙatun sabis na zaki da tsami.

Tashoshi, ajiya da kayan aikin lodi

 

ATashoshin mai da sinadarai, gonakin tanki da jiragen sama masu lodi, Ana amfani da bututun LSAW na Octal donLayukan mashiga/kanti, manyan kansiloli, layukan ɗorawa zuwa mashigar ruwa da haɗin SPM/buoy. Sarrafa OD, geometry na bevel da ingancin sutura suna taimakawa ragewa akan -daidaitawar rukunin yanar gizo{2}}lokaci da gyaran gyare-gyare, don haka ƙungiyoyin gine-gine zasu iya ɗaure a cikin tankuna, famfo da lodawa makamai tare da ƴan gyare-gyaren filin.

Petrochemical da tsarin masana'antu

 

A cikimatatun mai, rukunin magungunan petrochemical, tsire-tsire na LNG da sassan taki, Ana amfani da bututun LSAW babba -layukan kashe wuta da hura wuta, kanun tsire-tsire, manyan tankunan gonaki, layukan dawo da tururi da hanyoyin amfaniinda diamita ya wuce na yau da kullun maras kyau. DaidaitawaAPI, ASTM da EN maki, da zaɓuɓɓukan shafi na ciki da na waje, ba da damar dangin LSAW ɗaya su rufe babban{0}}gudanar ruwa, matsakaici{1}} sabis na matsi tare da daidaiton takardu da dubawa.

 

Duba abubuwan da suka danganci aikin

Danna nan

Hannun Kanfigareshan Bututun Ƙarfe na LSAW ta Nau'in Sabis

Don manyan bututun mai da tushe{0}, masu siye ba sa buƙatar injin niƙa kawai; suna bukatasarrafawa, ganowa da tallafi mai sauri lokacin da wani abu ya ɓace. Octal Pipe yana gina wadatar LSAW a kusa da shi.

1. "100% iko" falsafar - kowane mataki mai mahimmanci ana duba shi

Maimakon yin samfura kaɗan da kiransa mai kyau, injin mu na LSAW yana gudanar da amaki tara{0} 100% tsarin sarrafawadaga albarkatun kasa zuwa shiryawa:

A gare ku, wannan yana nufin cewa duk abin da mai shi ko mai duba na ɓangare na uku ya ɗauka, akwaicikakken gwajin gwajin bayansa, maimakon gibi a cikin bayanan.

2. Digital, mai sarrafa kansa don ingancin weld mai maimaitawa

An tsara layin samar da mu don ɗaukar bazuwar da yawa kamar yadda zai yiwu daga yin walda da ƙira:

• Cikakken dijital, layin samarwa na hanyar sadarwa- manyan raka'a irin su UT, milling gefen, kafa, walda, faɗaɗa da hydrotest suna ƙarƙashin kulawa ta tsakiya, don haka ana iya gano sigogin tsari zuwa kowane bututu.
• Biyu -An nutsar da - waldi na baka tare da tsararrun UT na kan layi{2}}- bayan walda SAW na ciki da na waje, kowane kabu ana duba shi nan da nan ta hanyar gwajin ultrasonic na kan layi tare da binciken tabo X{0}. Ana yin rikodin sigogin walda da sakamako gabaɗaya, suna kiyaye ƙimar gyare-gyare kaɗan sosai kuma yana ba da damar farko{2}} karɓar karɓar walda don isa.99.99%.
• Cikakkun fadada inji mai tsayi{{0}- Kowane bututu yana faɗaɗa injina bayan waldawa, wanda ke haifar da damuwa da kuma inganta zagaye da madaidaiciya. Wannan yana sa lankwasawa filin, walƙiya girth da tuki tuƙi mafi tsinkaya.
• CNAS- goyan bayan dakin gwaje-gwaje da aka yarda- duk shirye-shiryen gwaji da cancantar hanya (CVN, DWTT, HIC / SSC, da sauransu) ana yin su a cikin dakin gwaje-gwaje na ƙasa{1}, don haka ana iya karɓar bayanan gwaji a cikin ayyukan ƙasa da ƙasa ba tare da sake{2}} gwaji ba.

Sakamakon shi ne cewa kabu hali naOctal Pipe LSAWba batun sa'a ba ne:bututu masu girma da daraja iri ɗaya suna nuna hali akai-akaia waldi, NDT da sabis.

3. Tsarin sabis da aka gina a kusa da ayyukan, ba kawai umarni ba

Sarrafa a cikin niƙa kawai yana magance rabin matsalar. Octal Pipe kuma yana gudanar da samfurin sabis wanda ke bin tsarin ayyukan gaske:

• Babban aiki na musamman-- za mu iya isar da bututun LSAWyanke zuwa tsayin aikin, wanda aka riga aka yi, da alama, tare da buɗe kofofin hannu da aka shirya.bisa ga zane-zane, don haka abu ya isa wurin kusa da "a shirye don walda / shirye-shiryen tuƙi" kuma ba a matsayin ƙaramin samfurin da aka gama ba wanda ke buƙatar aiki mai nauyi{1}.
• Share matsala{0}}waddawar amsa- da zarar an tabbatar da batun samfur, muna da niyyar shiga cikin rukuninSa'o'i 48 don ayyukan cikin gida da kuma cikin sa'o'i 96 don ayyukan kasashen waje, ko shirya amintattun abokan gida / na uku - don taimakawa. Manufar ita ce ta taimaka muku gano tushen dalili kuma ku yarda da mafita mai amfani cikin sauri, ba kawai musayar imel ba.
• 24/7 goyon bayan fasaha ta ƙungiyar gogaggen- tallace-tallace, fasaha, QA da ma'aikatan kayan aiki suna aiki a matsayin ƙungiyar aikin guda ɗaya. Sun saniAPI 5L, GB/T 9711, ASTM A671 / A672 da bukatun yankia Gabas ta Tsakiya, Kudu maso Gabashin Asiya, Afirka da sauran kasuwanni, kuma suna iya fitar da fursunoni waɗanda masu su ko masu sa ido sukan fi mayar da hankali kan su kafin su zama batutuwa.

Don EPCs da ƙungiyoyin sayayya,Octal Pipedon haka ba sunan kawai bane akan takardar shedar niƙa, amma mai siyarwa wanda ya haɗa:

• 100% sarrafawa LSAW samarwa,
• iya ganowa, duba{0}takardun shirye-shiryen, kuma
• goyon bayan aikin mlokacin da kuke buƙatar taimako a kan shafin.

Tuntuɓi yanzu

Matsala gama gari

Q1: Menene LSAW karfe bututu?

A: LSAW karfe bututu (Longitudinal Submerged Arc Welded bututu)babban bututu ne mai waldadin diamita - da aka yi daga farantin da JCOE/UOE ke yi da walda ta gefe{1}. An fi amfani dashi donbabban -mai matsi, iskar gas da bututun watsa ruwa da tulin tsarin.

Q2: Menene ma'aunin bututu na LSAW na yau da kullun da kewayon kauri na bango?

A: Kayayyakin OctalLSAW tubea cikin masu girma dabamOD 400-1626 mmtare dakauri bango 6-75 mm, a cikin tsayi guda a kusa6.5–12.6 m, rufe mafimanyan bututun layin diamita da tarawabukatun.

Q3: Menene bambanci tsakanin bututun LSAW da bututun SSAW / ERW?

A: LSAW tubeyana da amike tsaye SAW dinkisanya daga farantin karfe, dace dababban diamita, bango mai nauyi da tsayin -matsi / tsayi{1}}layin sakamako. SSAWyana da kambi mai karkace kuma galibi ana amfani dashi don ƙananan matsa lamba, farashi{1} layukan masu hankali;ERWshi ne yafi dominkanana da matsakaicin diamita.

Q4: Wadanne ma'auni da maki ne bututun layin Octal API 5L LSAW ya bi?

A: OctAPI 5L LSAW bututun layiana samarwa zuwaAPI 5L PSL1 / PSL2, GB/T 9711 da ISO 3183, a cikin makiL245/B har zuwa L690/X100, tare daEN 10204 3.1 / 3.2 takaddun shaida da cikakkun bayanan NDT / hydrotestakan bukata.

Takaddun shaida

 

CE Certificate

ISO 9001 Certificate

API Q1 Takaddun shaida

Takaddun shaida na ABS

Takaddun shaida na AP-5L

API-5CT Takaddun shaida

 

API SPEC 5L (PSL1 / PSL2)- Bututun layi don watsa mai, iskar gas da ruwa; CVN, HIC/SSC ta aikin.

GB/T 9711-2017– Masana’antun man fetur da iskar gas{0}} Bututun ƙarfe don jigilar bututu (L245–L555).

ISO 3183 (kan bukata)– Layi na ƙasa da ƙasa{0}madaidaicin bututun da ya dace da API 5L.

ASTM A671 / ASTM A672– EFW/SAW bututu don yanayin yanayi zuwa babban sabis na matsa lamba, matsakaici zuwa yanayin zafi.

GB/T 3091-2015– Bututun ƙarfe mai walda don ƙarancin sabis na ruwa mai ƙarfi (don ƙayyadaddun aikace-aikacen farar hula/mai amfani).

SY/T 5037-2018– SAW bututu ga talakawa ruwaye(don SSAW madadin lokacin da aka ƙayyade).

Ƙarin ma'auni na cikin gida & na duniya– misali, CSA Z245.1, project m- buƙatun sabis (NACE MR0175/ISO 15156 zaɓin abu), da{6}} na uku na dubawa na 3.2.

Takaddun shaida na gwaji na Mill (EN 10204 3.1 / 3.2) da cikakkun bayanan NDT suna samuwa tare da kowane jigilar kaya.

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