1. Kakaretso - Hobaneng Phaephe ea X65+316L e koahetsoeng
Bakeng sa liphaephe tse tsamaisang khase ea tlhaho e nang le carbon dioxide (CO₂) empa e le feela palo e nyenyane ea hydrogen sulfide (H₂S) le li-chloride tse tlase, tšepe e tiileng ea carbon e bola ka potlako, ha tšepe e sa hloekang ea 316L e tiileng hangata e le e boletsoeng ho feta tekano ebile e theko e boima.
Phaephe e koahetsoeng ka tšepe ea bimetal e kopantsoeng ka tšepe ea X65 + 316Le fana ka sebaka se setle sa bohareng:
Lera la ka ntle la X65e fana ka matla a phahameng (tekanyo e tlase ea 450 MPa), ho tiea ha ho robeha, le ho thibela khatello - hantle seo phaephe ea mola oa API 5L X65 e tsejoang ka sona.
Sekoahelo sa kahare sa 316Le kopana ka ho toba le mokelikeli, e hanela ho bola ha CO₂, oxidation e akaretsang, le maemo a bonolo a asiti.
Mealo ena e 'meli e kopanngoa ka ho sa feleng ke tlamo ea tšepe (tlamo ea ho roll e chesang + ho theha JCOE). Ha ho na kotsi ea hore lesela le hele, le sosobane, kapa le arohane - ho fapana le phaephe e nang le metjhini.
Motsoako ona o sebelisoa haholo holitsamaiso tsa ho bokella khase ea tlhaho tse monate,Liphaephe tsa ho fumana oli e ntlafalitsoeng ea CO₂ (EOR),mela ea ente ea metsilephallo ea oli le khase e nang le chloride e tlase.
2. Likarolo tsa Bohlokoa le Melemo
| Tšobotsi | Melemo |
| Tlamo ea tšepe | Matla a ho kuta a sebopeho sa sebopeho ≥200 MPa – ha ho na ho putlama ha liner kapa ho qhaqha ha liner tlas'a potoloho ea khatello/mocheso |
| Tšehetso e matla ea X65 | E lumella lebota le lesesaane khahlanong le tšepe ea maemo a tlase, e fokotsa boima le litšenyehelo tsa ho tjheseletsa |
| Khanyetso ea ts'enyeho ea 316L | E hanela ho bola ha CO₂ (tšebeletso e monate), oxidation e akaretsang, le tlhaselo e tlase ea chloride |
| E boloka litšenyehelo | Ka theko e tlase ka 40-50% ho feta phaephe e tiileng ea 316L ea tekanyo e tšoanang ea khatello |
| Ho latela ka botlalo | Phaephe e 'ngoe le e 'ngoe e tšoailoeng ka nomoro ea mocheso; litlaleho tse felletseng tsa MTC le NDT |
| E pakiloe tšebeletsong | E kentsoe liphaepheng tsa khase tse lebōpong la leoatle tse makholo a lik'hilomithara |
3. Lintlha tsa Tekheniki le Litlhaloso tsa Thepa
3.1 Sebopeho sa Lik'hemik'hale (%)
| Karolo | Tšepe e Tšehetsang ea X65 (max) | Sekoahelo sa 316L (max) |
| Khabone (C) | 0.12 | 0.030 |
| Silicone (Si) | 0.45 | 0.75 |
| Manganese (Mn) | 1.60 | 2.00 |
| Fosforase (P) | 0.025 | 0.045 |
| Sebabole (S) | 0.015 | 0.030 |
| Chromium (Cr) | 0.30 | 16.0 – 18.0 |
| Nikele (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 Matlotlo a Mekaniki
| Thepa | Tšehetso ea X65 | Sekoahelo sa 316L |
| Matla a Tekanyo (metsotso, MPa) | 450 | 170 |
| Matla a ho Tenyetseha (metsotso, MPa) | 535 | 485 |
| Ho lelefatsa (bonyane, %) | 18 | 35 |
| Bothata (boholo, HV) | 250 | 200 |
| Matla a Tšusumetso (metsotso, J @ 0°C) | 100 (karolelano) | Ha ho hlokahale |
3.3 Thepa ea Sebopeho sa Bond
| Paramethara | Tlhokahalo | Mokhoa oa Teko |
| Matla a ho beola | ≥200 MPa | Teko ea ho sutumelletsa kantle ho API 5LD |
| Botšepehi ba tlamo ea UT | Ha ho na karohano >50mm, kakaretso <2% | Sekena sa ultrasound sa 'mele oohle |
3.4 Sebaka sa Tekanyo (Se Tloaelehileng)
| OD (intshi/mm) | Boima ba Tšehetso (mm) | Boima ba ho roala (mm) | Bolelele (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 |
Litekanyo tse ikhethileng lia fumaneha ha ho kopuoa. Botenya bo boholo ba cladding bo fihla ho 4mm maemong a khethehileng.
4. Ts'ebetso ea Tlhahiso - Ho Kopanya Meqolo e Chesang + JCOE
Womic Steel e hlahisa phaephe e koahetsoeng ka X65+316L e sebelisang indasteri e netefalitsoeng.ho kopanya moqolo o chesang + JCOE ho thehatsela:
Tokiso ea holim'a metsi– Lipoleiti tsa X65 le 316L lia hloekisoa, lia siloa, 'me lia hlahlojoa.
Kopano ea lephaka– Lipoleiti tsena tse peli li pakiloe ka lera la 316L le shebileng ka hare, le koetsoe tlas'a vacuum ho felisa oksijene.
Ho phutholoha ho chesang– Moqomo o futhumatsoa ho fihlela ho 1150-1250°C mme o fetisoa ka hara leloala le phethohang. Phokotso e phahameng (5:1 ho isa ho 10:1) e baka tlamo ya metallurgical ka ho hasana ha athomo.
Ho pholisa le ho hlahloba poleiti– Poleiti e koahetsoeng e pholisitsoe, 'me tlamo e lekoa ka 100% bakeng sa ho arohana ha letho.
Ho theha JCOE– Poleiti e koahetsoeng e siloa ka mathoko, ebe e etsoa phaephe e bulehileng ho sebelisoa letoto la likhatiso tsa JCO.
Ho tjheseletsa seam sa longitudinal– Sehokelo se bulehileng se tjheselletswa ka ho sebedisa welding ya arc e kentsweng mahlakoreng a mabedi (SAW) ka setlatsetso sa 316L kapa 309L hodima phase e ka hare le setlatsetso sa tshepe ya carbon hodima phase e ka ntle.
Ho atolosa (ha ho hlokahale)– Katoloso ea mechine e ntlafatsa ho chitja le ho imolla khatello ea maikutlo.
Kalafo ea mocheso– Kalafo ea mocheso ka mor'a ho chesetsoa (PWHT) e sebelisoa ha ho hlokahala ho latela tlhaloso ea projeke.
NDT le liteko– Sheba Karolo ea 5 ka tlase.
Qetella ho qeta– Lipheletso tse betlilweng ka oli e thibelang mafome le likhetla tsa polasetiki.
5. Taolo le Teko ea Boleng - Phaephe e 'Ngoe le e 'Ngoe e Hlahlobiloe
Liphaephe tse koahetsoeng ka X65+316L li lekoa ho latela litlhoko tsa API 5LD le tse ikhethileng tsa projeke.
| Teko | Mokhoa | Sebaka | Kamohelo |
| Netefatso ea thepa e tala | Sesepa-pone sa OES | Mocheso o mong le o mong oa X65 le 316L | Khemistri ka maemo |
| Teko ea ultrasound ea Bond | 'Mele oohle oa UT (leqhubu la longitudinal le la shear) | 100% ea poleiti e koahetsoeng pele e etsoa | Ha ho na karohano >50mm; karohano eohle <2% |
| Sehokelo sa ho weld UT | UT e iketsang (phased array / e tloaelehileng) | 100% ea weld ea longitudinal | Litekanyetso tsa API 5LD / DNV |
| Ho tjheseletsa MT / PT | Karolo ea makenete / e daehang | Menoana ea maoto e welletsoeng, lipheletsong | Ha ho matšoao a otlolohileng |
| Teko ea mechini | Ho kobeha ho tetebetseng, ho tataisoang | E le 'ngoe ka sehlopha sa tlhahiso (liphaephe tse fihlang ho tse 50) | Ho hloleha ka ntle ho weld/bond |
| Phuputso ea ho thatafala | HV10 ho pholletsa le sekoahelo, tlamo, HAZ | E le 'ngoe ka sehlopha | Sekoahelo ≤200 HV, se ka morao ≤250 HV |
| Teko ea metsi a sa fetoheng | Khatello ea moralo ea 1.5 ×, tšoara 10s | Phaephe ka 'ngoe | Ha ho dutla |
| Tlhahlobo ea litekanyo | Laser / li-caliper / theipi | 100% | OD, WT, bolelele, ovality |
| Tlhahlobo e bonahalang le ea ho qetela | Pono e tobileng | 100% | Ha ho na diphoso tsa bokaholimo; bevel ka setšoantšo |
Liteko tse ling lia fumaneha ha ho kopuoa:
● Ho bola ha di-intergranular (ASTM A262 Practice E) bakeng sa ho kwahela ka 316L
● HIC / SSC (NACE TM0284 / TM0177) bakeng sa tšebeletso e bolila
● Tšusumetso e tlase mochesong (Charpy) bakeng sa tšepe e tšehetsang ho -20°C / -40°C
● Tekanyo ea dikahare tsa Ferrite
6. Likopo tse Tloaelehileng le Mehlala ea Morero
6.1 Pokello ea Khase ea Tlhaho Lebōpong la Leoatle
Boemo:Tšimo ea khase Asia Bohareng e nang le CO₂ 12-18%, H₂S <20ppm, li-chloride <1000ppm.
Tharollo:Phaephe e koahetsoeng ka X65+316L, OD 323.9mm, Boima ba morao ba 12.7mm, sekoahelo sa 2.0mm.
Sephetho:Phaephe ea 85 km e kentsoe ho tloha ka 2021-2022; tlhahlobo ea ka hare kamora lilemo tse 2 ha e bontše ts'enyeho e ka lekanngoang.
6.2 CO₂ Ho Fumana Oli e Ntlafalitsoeng (EOR)
Boemo:Phaephe ea ente ea CO₂ bakeng sa projeke ea CCUS Leboea la Chaena.
Tharollo:Phaephe e koahetsoeng ka X65+316L, OD 508mm, Boima ba morao ba 15.9mm, sekoahelo sa 2.5mm.
Sephetho:Phaephe ea 25 km e sebetsang ho 22 MPa, 60°C; ha ho na mathata a ts'enyeho kapa a liner kamora likhoeli tse 18.
6.3 Mohala oa ho Enta Metsi
Boemo:Ho hlahisitsoe metsi hape Bochabela bo Hare, di-chloride tse tlase empa CO₂ e phahameng.
Tharollo:Phaephe e koahetsoeng ka X65+316L, OD 610mm, Boima ba morao ba 12.7mm, sekoahelo sa 1.8mm.
Sephetho:Tšepe e tiileng ea khabone hammoho le thibelo ea mafome e nketsoe sebaka ke e 'ngoe; litšenyehelo tsa tlhokomelo li fokotsehile ka 40%.
7. Ke Hobane'ng ha U Lokela ho Khetha Tšepe ea Womic bakeng sa Phaephe ea X65+316L Clad?
| Lebaka | Lintlha tse qaqileng |
| Moetsi ea nang le boiphihlelo | Lilemo tse fetang 15 tsa tlhahiso ea liphaephe tse koahetsoeng, ho ile ha tlisoa lithane tse likete |
| Tlamo ea 'nete ea tšepe | Ha ho kotsi ea ho putlama ha liner - e lumellana ka botlalo le API 5LD |
| Ho latela ka botlalo | Phaephe e 'ngoe le e 'ngoe e ka lateloang ho tloha ho coil ho ea tlhahlobong ea ho qetela |
| NDT ea ka tlung | UT, MT, hydrostatic – tsohle di etswa ke botekgeniki ba nang le mangolo |
| Nako e khutšoanyane ea ho etella pele | Boholo bo tloaelehileng: libeke tse 8-10; boholo bo ikhethileng: libeke tse 12-14 |
| Thomello ea lefats'e ka bophara | Melao ea FOB, CIF, CFR; ho paka bakeng sa thepa ea leoatleng (setshelo kapa thepa e robehileng) |
8. Lipotso Tse Botsoang Khafetsa (Lipotso Tse Botsoang Khafetsa)
P1: Na phaephe e koahetsoeng ka X65+316L e ka sebelisoa bakeng sa tšebeletso e bolila (H₂S)?
K: Ha e kgothaletswe bakeng sa H₂S e phahameng (>50ppm) kapa di-chloride tse phahameng (>10,000ppm). Bakeng sa tshebeletso e bolila, re kgothaletsa X65MS backing + Alloy 825 kapa Inconel 625 cladding.
P2: Na sekwahelo sa 316L se ka angoa habonolo ke ho nyenyefatswa nakong ya ho tjheseletsa?
A: 316L ke khabone e tlase (≤0.03%), kahoo e hanela ho utloa bohloko. Bakeng sa polokeho e eketsehileng, re ka fana ka phaephe e koahetsoeng ka tharollo.
P3: Bophelo ba tšebeletso bo tloaelehileng bo bolelele bo bokae?
K: Tšebeletsong e monate ea CO₂ (ha ho na li-chloride kapa H₂S), lilemo tse 20-30 lia finyelloa. Bophelo ba 'nete bo itšetlehile ka lebelo la phallo, mocheso le motsoako oa lik'hemik'hale.
P4: Na o ka fana ka phaephe e nyane e koahetsoeng ka bophara ba X65+316L (≤6″)?
A: Bakeng sa bophara ba ≤168mm (6″), phaephe e se nang seamless centrifugal casting + extrusion clad e loketse haholoanyane. Re fana ka seo le sona.
P5: Ke litokomane life tse kenyellelitsoeng thomellong ka 'ngoe?
A: Setifikeiti sa EN 10204 sa Mofuta wa 3.1 (khemistri, ho kgwehla, tshusumetso, ho beola dibond, UT, hydro), ditlaleho tsa NDT, tlaleho ya dimensional, lenane la ho paka, invoice ya kgwebo, bili ya thepa.
P6: Na le fana ka tlhahlobo ea motho oa boraro?
K: E. Re sebetsa le SGS, BV, DNV, TÜV, ABS, LR. Lisetifikeiti tsa mofuta wa 3.2 di fumaneha ka tlhahlobo ya dipaki.
9. Tlhahisoleseding ea ho odara
Ho kopa khotheishene bakeng sa phaephe e koahetsoeng ka tšepe ea bimetal X65+316L, ka kopo fana ka:
● Botenya ba lebota la tšepe e tšehetsang bophara ba kantle (OD) le tšepe e tšehetsang
● Botenya ba 316L boa hlokahala
● Bolelele bohle (m) le palo ea manonyeletso
● Bolelele bo le bong bo sa reroang (mohlala, 12m, 18m, 24m)
● Tekanyetso e sebetsang (API 5LD, DNV, kapa tlhaloso ea projeke)
● Litlhoko tsa tlhahlobo ea motho oa boraro (haeba li le teng)
Ikopanye le rona:
Webosaete: www.womicsteel.com
Imeile: sales@womicsteel.com
Mohala / WhatsApp / WeChat:
Victor: +86 15575100681
Jack: +86 18390957568
*Tšepe ea Womic – Phaephe e tšepahalang ea X65+316L e koahetsoeng bakeng sa tšebeletso ea CO₂ le pokello ea khase e tsoekere.*
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