Bututun ƙarfe na ƙarfe na X65+316L | Bututun CRA mai inganci don hidimar CO₂ - Womic Steel

Takaitaccen Bayani:

Bututun Waje (Ƙarfe Mai Baya):API 5L X65 PSL2 - ƙarfi mai ƙarfi, tauri mai kyau, mai sauƙin haɗawa

Rufin Ciki (CRA Cladding):316L (UNS S31603) – ƙaramin ƙarfe mai ƙarancin carbon austenitic, mai jure tsatsa daga CO₂, ingantaccen walda

Girman Girma:OD 219mm – 1219mm (8″ – 48″); Kauri daga bangon ƙarfe mai baya 8mm – 30mm; Kauri daga rufi 1.5mm – 3.0mm; Tsawonsa ɗaya har zuwa mita 18 (akwai mita 24 na musamman)

Tsarin Masana'antu:Haɗin zafi na birgima + ƙirƙirar JCOE - ƙarfin yanke haɗin ƙarfe ≥200 MPa

Ma'auni & Takaddun shaida:API SPEC 5LD (CRA Clad Steel Pipe), DNV-OS-F101, NACE MR0175, ISO 15156. Takaddun Shaidar Injin EN 10204 Nau'i na 3.1. Ana samun dubawa na ɓangare na uku (SGS, BV, DNV, TÜV).

Aikace-aikace:Bututun tattara iskar gas na ƙasa a bakin teku, layukan allurar CO₂, tsarin allurar ruwa, layukan kwararar mai da iskar gas mai ƙarancin chloride, bututun haɗa matatar mai.

Karfe Mai Kyauyana samar da bututun ƙarfe mai ɗaure X65+316L - madadin ƙarfe mai ƙarfi 316L ko sama da haka. An ƙera shi don yin aiki mai daɗi (CO₂ ba tare da H₂S ko chlorides mai mahimmanci ba). An tallafa masa da cikakken takardu masu inganci da ƙwarewar jigilar kaya ta duniya.

Aika mana imel Bayanin Samfura

Cikakken Bayani game da Samfurin

Alamun Samfura

1. Bayani - Dalilin da yasa bututun X65+316L mai rufi

Ga bututun da ke jigilar iskar gas mai ɗauke da carbon dioxide (CO₂) amma kaɗan ne kawai na hydrogen sulfide (H₂S) da ƙarancin chlorides, ƙarfe mai ƙarfi na carbon yana lalacewa cikin sauri, yayin da ƙarfe mai ƙarfi na 316L galibi yana da tsada sosai kuma yana da tsada.

Bututun ƙarfe mai ɗaure da ƙarfe mai siffar X65+316Lyana ba da matsakaicin matsayi mai kyau:

Layin waje na X65yana ba da ƙarfi mai ƙarfi (mafi ƙarancin yawan amfanin ƙasa 450 MPa), taurin karyewa, da kuma hana matsi - daidai abin da aka san bututun layin API 5L X65 da shi.

Rufin ciki na 316Lyana hulɗa kai tsaye da ruwan, yana tsayayya da lalata CO₂, iskar shaka gabaɗaya, da kuma yanayi mai laushi na acidic.

Ana haɗa layukan biyu har abada ta hanyar haɗin ƙarfe (haɗin naɗi mai zafi + ƙirƙirar JCOE). Babu haɗarin rugujewar layin, ƙuraje, ko rabuwa - ba kamar bututun da aka yi wa layi da injina ba.

Ana amfani da wannan haɗin sosai a cikinTsarin tattara iskar gas mai daɗi,bututun mai da aka inganta a fannin CO₂ (EOR),Layukan allurar ruwa, kumahanyoyin kwararar mai da iskar gas marasa sinadarin chloride.

2. Muhimman Abubuwa & Fa'idodi

Fasali	fa'ida
Haɗin ƙarfe	Ƙarfin yankewa na hanyar sadarwa ≥200 MPa - babu rugujewar layi ko raguwa a ƙarƙashin matsi/zazzabi
goyon bayan ƙarfi mai ƙarfi na X65	Yana ba da damar yin sirara a bango da ƙarfe mai ƙarancin daraja, yana rage nauyi da farashin walda
Juriyar tsatsa ta 316L	Yana jure tsatsa ta CO₂ (sabis mai daɗi), iskar shaka gabaɗaya, da ƙarancin harin chloride
Inganci mai inganci	Kashi 40-50% mafi rahusa fiye da bututun mai ƙarfi na 316L mai matsi iri ɗaya
Cikakken bin diddigi	Kowace bututu mai lambar zafi; kammala rahotannin MTC da NDT
An tabbatar da aiki	An sanya shi a cikin daruruwan kilomita na bututun iskar gas na ƙasa

3. Bayanan Fasaha da Bayanan Kayan Aiki

3.1 Haɗin Sinadarai (%)

Sinadarin	Karfe Mai Baya na X65 (max)	Rufin 316L (mafi girma)
Carbon (C)	0.12	0.030
Silikon (Si)	0.45	0.75
Manganese (Mn)	1.60	2.00
Phosphorus (P)	0.025	0.045
Sulfur (S)	0.015	0.030
Chromium (Cr)	0.30	16.0 – 18.0
Nickel (Ni)	0.50	10.0 – 14.0
Molybdenum (Mo)	0.15	2.0 – 3.0
Niobium (Nb)	0.05	—
Titanium (Ti)	0.04	—
Vanadium (V)	0.10	—

3.2 Halayen Inji

Kadara	X65 Backing	Rufin 316L
Ƙarfin Yawa (min, MPa)	450	170
Ƙarfin Taurin Kai (min, MPa)	535	485
Tsawaita (ƙananan, %)	18	35
Tauri (max, HV)	250	200
Taurin Tasiri (min, J @ 0°C)	100 (matsakaici)	Ba a buƙata ba

3.3 Kadarar Haɗin Haɗin Haɗi

Sigogi	Bukatar	Hanyar Gwaji
Ƙarfin Ragewa	≥200 MPa	Gwajin fitar da kaya ga kowane API 5LD
Ingancin haɗin UT	Babu rabuwar > 50mm, jimilla <2%	Cikakken hoton ultrasonic na jiki

3.4 Girman Girma (Na yau da kullun)

OD (inci/mm)	WT na Baya (mm)	Faɗin Rufi (mm)	Tsawon (m)
8" (219.1)	8.0 – 15.0	1.5 – 2.5	12/18
10″ (273.1)	8.0 – 18.0	1.5 – 3.0	12/18
12" (323.9)	9.0 – 20.0	1.5 – 3.0	12/18
16" (406.4)	10.0 – 22.0	2.0 – 3.0	12/18
20″ (508.0)	10.0 – 25.0	2.0 – 3.0	12/18
24" (609.6)	12.0 – 30.0	2.0 – 3.0	12/18
36" (914.4)	12.0 – 30.0	2.0 – 3.0	12/18
48" (1219.2)	14.0 – 30.0	2.0 – 3.0	12/18

Ana iya samun girma na musamman idan an buƙata. Matsakaicin kauri na rufin har zuwa 4mm a lokuta na musamman.

4. Tsarin Kera - Haɗin Hot Roll + JCOE

Kamfanin Womic Steel yana samar da bututun X65+316L mai rufi ta amfani da ingantaccen masana'antuhaɗin zafi na birgima + JCOE na ƙirƙirarhanya:

Shirye-shiryen saman– Ana tsaftace faranti na X65 da 316L, a niƙa, sannan a duba su.

Tarin injin injin– An saka faranti biyu a cikin wani tsari mai girman lita 316 da ke fuskantar ciki, an rufe su a ƙarƙashin injin tsotsar iskar oxygen don kawar da iskar oxygen.

Mirgina mai zafi– Ana dumama tarin zuwa 1150-1250°C sannan a ratsa ta injin niƙa mai birgima. Babban raguwa (5:1 zuwa 10:1) yana haifar da haɗin ƙarfe ta hanyar yaduwar atomic.

Sanyaya da dubawa na faranti– An sanyaya farantin da aka lulluɓe, kuma an gwada haɗin 100% na ultrasonic don duk wani disbond.

Samar da JCOE– An niƙa farantin da aka lulluɓe da gefuna, sannan aka samar da shi ya zama bututun buɗewa ta amfani da jerin mashinan JCO.

Walda mai tsayi– Ana haɗa ɗinkin da aka buɗe ta amfani da walda mai kusurwa biyu (SAW) mai cike da kayan cikawa mai girman 316L ko 309L a kan abin cikawa na ciki da kuma abin cika ƙarfe na carbon a kan abin cikawa na waje.

Faɗaɗawa (zaɓi ne)- Faɗaɗa injina yana inganta zagaye kuma yana rage damuwa da ke haifar da matsala.

Maganin zafi- Ana amfani da maganin zafi bayan walda (PWHT) lokacin da aka buƙata ta hanyar ƙayyadaddun aikin.

NDT & gwaji– Duba Sashe na 5 a ƙasa.

Ƙarshen ƙarshe- An yanke ƙarshen da man hana tsatsa da murfi na filastik.

5. Kula da Inganci & Gwaji - Ana Duba Kowace Bututu

Ana gwada bututun X65+316L da aka lulluɓe bisa ga API 5LD da buƙatun takamaiman aikin.

Gwaji	Hanyar	Faɗin	Karɓa
Tabbatar da kayan aiki	Na'urar auna OES	Kowane zafi na X65 da 316L	Sinadaran sunadarai a kowane ma'auni
Gwajin Ultrasonic Bond	Cikakken jiki UT (tsayi mai tsayi da kuma raƙuman shear)	100% na farantin da aka lulluɓe kafin a yi shi	Babu rabuwar da aka yi >50mm; jimlar rabuwar da aka yi <2%
Weld dinki UT	UT ta atomatik (tsarin tsari / na al'ada)	100% na walda mai tsayi	Ma'aunin API 5LD / DNV
MT/PT na Weld	Barbashi mai maganadisu / Rini yana shiga	Yatsun hannu na walda, ƙarewa	Babu alamun layi
Gwajin injina	Juyawa mai juyi, lanƙwasa mai jagora	Ɗaya daga cikin kowane rukuni na samarwa (har zuwa bututu 50)	Rashin aiki a waje da walda / haɗin gwiwa
Binciken tauri	HV10 a fadin sutura, haɗin gwiwa, HAZ	Ɗaya a kowace rukuni	Rufi ≤200 HV, baya ≤250 HV
Gwajin Hydrostatic	Matsin ƙira na 1.5×, riƙe 10s	Kowace bututu	Babu ɓuya
Duba girma	Laser / calipers / tef	100%	OD, WT, tsayi, siffar da'ira
Dubawa na gani & ƙarshe	Na gani kai tsaye	100%	Babu lahani a saman fili; bevel a kowane zane

Ana iya samun ƙarin gwaje-gwaje idan an buƙata:

● Tsatsa tsakanin granular (ASTM A262 Practice E) don rufin 316L

● HIC / SSC (NACE TM0284 / TM0177) don sabis mai tsami

● Tasirin ƙarancin zafin jiki (Charpy) don ƙarfe mai goyan baya a -20°C / -40°C

● Ma'aunin abun ciki na Ferrite

6. Aikace-aikace na yau da kullun & Misalan Ayyuka

6.1 Tarin Iskar Gas na Ƙasashen Waje

Yanayi:Filin iskar gas a Tsakiyar Asiya tare da sinadarin CO₂ 12-18%, H₂S <20ppm, chlorides <1000ppm.
Mafita:Bututu mai rufi X65+316L, OD 323.9mm, WT mai baya 12.7mm, rufi 2.0mm.
Sakamako:An sanya bututun mai tsawon kilomita 85 a tsakanin shekarar 2021-2022; binciken cikin gida bayan shekaru 2 ya nuna babu wani tsatsa da za a iya aunawa.

6.2 CO₂ Ingantaccen Mai Mai (EOR)

Yanayi:Bututun allurar CO₂ don aikin CCUS a Arewacin China.
Mafita:Bututu mai rufi X65+316L, OD 508mm, WT mai baya 15.9mm, rufi mai rufi 2.5mm.
Sakamako:Bututun mai tsawon kilomita 25 yana aiki a 22 MPa, 60°C; babu wata matsala ta tsatsa ko layin bayan watanni 18.

6.3 Layin Allurar Ruwa

Yanayi:An samar da sake allurar ruwa a Gabas ta Tsakiya, ƙarancin chlorides amma yana da yawan CO₂.
Mafita:Bututu mai rufi X65+316L, OD 610mm, WT mai baya 12.7mm, rufi 1.8mm.
Sakamako:An maye gurbin ƙarfe mai ƙarfi na carbon tare da hana lalata; farashin gyara ya ragu da kashi 40%.

7. Me Yasa Za A Zabi Karfe Mai Kauri Don Bututun Rawaya Na X65+316L?

Dalili	Cikakkun bayanai
Ƙwararrun masana'anta	Sama da shekaru 15 na samar da bututun da aka lulluɓe, an isar da dubban tan
Haɗin ƙarfe na gaskiya	Babu haɗarin rugujewar layin layi - ya cika da API 5LD
Cikakken bin diddigi	Kowanne bututu da za a iya ganowa daga na'urar coil zuwa dubawa ta ƙarshe
NDT na cikin gida	UT, MT, da hydrostatic - duk an yi su ne ta hanyar ƙwararrun ma'aikata masu ƙwarewa.
Gajeren lokacin jagora	Girman da aka saba: Makonni 8-10; Girman da aka keɓance: Makonni 12-14
Jigilar kaya ta duniya	Sharuɗɗan FOB, CIF, da CFR; marufi don jigilar kaya a teku (kwantena ko babban kaya)

8. Tambayoyin da Ake Yawan Yi (Tambayoyin da Ake Yawan Yi)

T1: Za a iya amfani da bututun X65+316L mai rufi don yin amfani da tsami (H₂S)?
A: Ba a ba da shawarar ga yawan H₂S (>50ppm) ko yawan chlorides (>10,000ppm). Don amfani da tsami, muna ba da shawarar X65MS backing + Alloy 825 ko Inconel 625 cladding.

T2: Shin rufin 316L yana da sauƙin fahimta yayin walda?
A: 316L ƙarancin carbon ne (≤0.03%), don haka yana tsayayya da tasirin gani. Don ƙarin aminci, za mu iya samar da bututun da aka lulluɓe da ruwa mai laushi.

Q3: Har yaushe ne rayuwar sabis ta yau da kullun take?
A: A cikin aikin CO₂ mai zaki (babu chlorides ko H₂S), ana iya cimma shekaru 20-30. Rayuwa ta ainihi ta dogara ne da saurin kwarara, zafin jiki, da kuma sinadaran da ke cikinsa.

Q4: Za ku iya samar da ƙaramin bututu mai rufi X65+316L (≤6″)?
A: Ga diamita ≤168mm (6″), simintin centrifugal mara shinge da bututun da aka saka na extrusion ya fi dacewa. Muna bayar da hakan ma.

Q5: Waɗanne takardu ne aka haɗa a cikin kowace jigilar kaya?
A: Takardar shaidar nau'in EN 10204 3.1 (kimiyya, tensile, tasiri, yanke haɗin gwiwa, UT, hydro), rahotannin NDT, rahoton girma, jerin marufi, lissafin kasuwanci, lissafin kaya.

T6: Shin kuna bayar da dubawa na ɓangare na uku?
A: Eh. Muna aiki da SGS, BV, DNV, TÜV, ABS, LR. Takaddun shaida na nau'in 3.2 suna samuwa tare da duba shaidu.