GNEE Steel Solution Rau Loj Cia Tank Prefabrication Projects

Kev cia siab rau qhov tshwj xeeb steel Tshuag, cov cuab yeej ua haujlwm CNC siab heev thiab kev tsim khoom lag luam paub tab,GNEE Steel- lub ntiaj teb no -cov chaw muab khoom siv hlau thiab cov kev pabcuam sib sib zog nqus - xa tag nrho - cov kev pabcuam saw hlau npog cov khoom siv, steel phaj pretreatment, CNC txiav, phaj dov, tsis siv neeg vuam thiab modular prefabrication.

Peb muab siab -zoo, luv- voj voog thiab nqi- zoo steel cia tank engineering daws teeb meem rau cov neeg siv khoom hauv petrochemical, lub zog cia, dej phwj tuaj kho, nplej thiab roj, zaub mov thiab lwm yam lag luam.

Tau ntev, kev tsim kho ntawm lub tank loj loj (500–100,000 m³) tau ua haujlwm hnyav rau ntawm - qhov chaw siab - ua haujlwm siab, kev tuav vuam thiab qhib- huab cua tsim, ua rau muaj kev lees paub dav dav nrog rau kev siv lub voj voog ntev, tsis ruaj khov, muaj kev nyab xeeb siab thiab cov nqi tag nrho:

• Kev tsim kho lub voj voog ntev: Txwv tsis pub los ntawm huab cua, qhov chaw thiab kev ua haujlwm ntawm qhov chaw; ib qho 10,000 m³-chav cia tank feem ntau siv sijhawm 3-6 lub hlis.
• Kev ruaj ntseg nyuaj: High defect tus nqi ntawm phau ntawv vuam, tsis sib xws welds thiab anticorrosive txheej yooj yim cuam tshuam los ntawm ib puag ncig.
• Muaj kev nyab xeeb siab: Ntau zaus siab - qhov siab, ua haujlwm kub thiab hla- kev ua haujlwm ua rau kev tswj kev nyab xeeb nyuaj heev.
• Tus nqi siab tag nrho: Kev siv nyiaj siab tsis tu ncua rau ntawm -kev tswj hwm qhov chaw, kev ua haujlwm, kev xauj khoom thiab cov khoom poob.

GNEE Steel loj tank prefabrication kev pabcuam txais yuav a"Lub Hoobkas prefabrication + modular sib dhos"qauv rau hauv paus tawg los ntawm kev lag luam bottlenecks.

I. Project Background

• Tus neeg siv khoom:National roj tuam txhab ntawm ib lub teb chaws Middle Eastern
• Qhov project qhov chaw: Petrochemical puag raws Persian Gulf, Middle East
• Qhov xav tau ntawm qhov project: Kev tsim kho ntawm 5 tshiab 10,000 m³ atmospheric crude roj cia tso tsheb hlau luam rau kev thauj mus los ntawm export roj crude

Cov kev sib tw tseem ceeb:

• Kev tiv thaiv nruj heev - yuav tsum muaj corrosion vim qhov kub hauv zos, siab salinity thiab muaj zog sandstorm corrosion ib puag ncig
• Tight project teem sij hawm yuav tsum tau los ntawm tus tswv: ua kom tiav ntawm tag nrho cov prefabrication + ntawm - site los ua ke nyob rau hauv 120 hnub
• Kev ua raws li API 650 7th Edition, AWS D1.1 vuam cov qauv thiab cov ntawv pov thawj SASO hauv zos yuav tsum tau ua
• Siab seismic thiab cua kuj yuav tsum tau rau lub ntug dej hiav txwv tank ua liaj ua teb (cua ceev 140 km / h, seismic siv 8 degrees)

II. Khoom Specifications thiab Core Parameters

• Tank hom: Vertical cylindrical, dome-ru tsev, atmospheric cia tank (API 650)
• Ib lub tank ntim: 10,000 m³
• Tank qhov ntev:
• Qhov siab: 28.0m
• Plhaub qhov siab: 16.5 m
• Tag nrho qhov siab (nrog rau lub ru tsev dome): 18.2 m

Khoom siv system:

• Plhaub phaj: Q355R / ASTM A516 Gr.65
• Pem hauv ntej phaj: Q245R / ASTM A283 Gr.D
• Dome ru tsev phaj: Q235B
• Accessory flanges: 16MnⅡ

Steel phaj thickness faib:

• Hauv qab plhaub nplhaib: 22 mm
• 2nd plhaub nplhaib: 18 mm
• 3rd plhaub nplhaib: 14 mm
• 4th plhaub nplhaib: 12 mm
• 5th plhaub nplhaib: 10 mm
• Tank hauv qab nruab nrab phaj: 10 mm
• ntug annular phaj: 16 mm
• Dome ru tsev phaj: 6 mm

Design parameters:

• Tsim siab: Atmospheric siab (-0.5 kPa ~ +1.5 kPa)
• Tsim kub: -10℃~ +80 degree
• Corrosion pub: 2 hli hauv lub tank / 3 hli sab nraum lub tank
• Weld soj ntsuam: 100% RT rau longitudinal seams, 20% RT rau circumferential seams, 100% MT rau fillet welds

Anticorrosive system:

• Sab hauv: Sandblasting Sa2.5 → Epoxy zinc - nplua nuj primer → Epoxy iav flake anticorrosive xim
• Sab nrauv: Sandblasting Sa2.5 → Epoxy zinc-nplua nuj primer → Polyurethane huab cua- resistant topcoat (UV-resistant & ntsev- tsuag resistant)

III. GNEE Steel Solution and Implementation

Khoom siv tshwj xeeb

Customized 1, 860 tons ntawm tshwj xeeb tank steel phaj, tag nrho nrog cov ntaub ntawv pov thawj thiab UT cov ntaub ntawv tshuaj xyuas

Spectral tsom xam thiab cov cuab yeej cuab tam re-kev tshuaj xyuas cov ntawv ua los ntawm daim ntawv kom ua raws li API 650 cov ntaub ntawv xav tau

Hoobkas Prefabrication

• Hlau phaj pretreatment: Tsis siv neeg qib → Sandblasting (Sa2.5) → Khw primer txheej
• CNC txiav: Zoo plasma / nplaim txiav nrog blanking precision ± 0.5 hli, tsis siv neeg beveling
• Phaj dov: Arc daim hlau dov los ntawm 4-yob phaj dabtsi yog khoov tshuab, ovality tswj Tsawg dua lossis sib npaug li 3 hli
• Kev txawj ntse welding: Submerged arc vuam + GMAW, ua ntej - hla vuam qhov tsim nyog tus nqi 98.7%
• Modular pre-assembly: Txhua lub plhaub nplhaib muab faib ua 6 prefabricated modules, max. ib qho module hnyav 12.8 tons, tag nrho lub Hoobkas sib dhos thiab pov thawj

Kev Tswj Xyuas Zoo

Kev ua tiav ntawm 16 cov txheej txheem tshuaj xyuas zoo, ua tiav WPS / PQR cov txheej txheem vuam tsim nyog

Muab cov ntaub ntawv pov thawj tag nrho: cov ntaub ntawv pov thawj, NDT cov ntaub ntawv, cov ntaub ntawv kuaj hydrostatic, raws li - tsim cov duab kos, SASO daim ntawv pov thawj

Cov khoom xa tuaj

• Tag nrho module prefabrication ntawm 5 tso tsheb hlau luam ua tiav hauv tsuas yog 78 hnub (12 hnub ua ntej ntawm lub sijhawm)
• Lub sijhawm tsim kho tag nrho 110 hnub, 10 hnub ua ntej tus tswv yuav tsum tau ua
• Ib -lub sij hawm tsim nyog hauv kev sim hydrostatic, kev soj ntsuam kev sib haum xeeb thiab kev ntsuas huab cua nruj

IV. Tus neeg siv khoom tus nqi

• 40% luv dua kev tsim kho lub sijhawm: 6–8 lub hlis rau ib txwm nyob ntawm - qhov chaw tsim kho vs . 110- hnub xa khoom rau qhov project no
• Txhim kho qhov zoo: Factory automated welding, RT ua ntej - dhau kev tsim nyog tus nqi 98.7%, deb tshaj qhov nruab nrab ntawm kev lag luam
• Extended anticorrosion kev pab cuam lub neej: Plua plav-dawb lub khw txheej, adhesion Ntau dua lossis sib npaug ntawm 8 MPa, tsim los tiv thaiv lub neej tshaj 15 xyoo
• 22% tus nqi qis dua: Kev siv cov khoom siv tau zoo dua qub, txo cov nqi ua haujlwm thiab kev tswj xyuas ntau heev

1. Khoom siv tshwj xeeb

High -cov khoom siv hlau zoo hloov tau rau txhua qhov xwm txheej tank

• Cov ntaub ntawv tshwj xeeb: Q245R, Q355R, 16MnR, NM360 / NM400 (hnav- cov tank tiv taus), 304/316L (stainless steel tanks), 9Ni steel (cryogenic LNG tso tsheb hlau luam)
• Qhov ntau thiab tsawg: Thickness 5-120 mm, dav 1500-2500 mm, ntev 6-12 m (coiled lossis tiaj daim hlau)
• Kev ruaj ntseg zoo: Tag nrho cov ntaub ntawv pov thawj ntawm cov khoom qub, kuaj ultrasonic (UT), kuaj hluav taws xob (RT) thiab cov kev xeem cuam tshuam

2. Steel Phaj Pretreatment

High -txoj kev kho deg thiab anticorrosive priming

• Txheej txheem: Tsis siv neeg qib → Sandblasting (Sa2.5) → Epoxy zinc - nplua nuj primer / inorganic zinc - nplua nuj txheej
• Qhov zoo: Plua plav-kev ua haujlwm pub dawb txhim kho kev tiv thaiv corrosion los ntawm 300% thiab tshem tawm ntawm - qhov chaw muaj kev pheej hmoo corrosion

3. High-Precision Component Prefabrication

CNC ua + ntse tsim

• CNC txiav: Laser / plasma / nplaim txiav, blanking precision ± 0.5 hli, txhawb cov duab tshwj xeeb, bevels thiab qhib
• Phaj dov: Loj 4-yob dabtsi yog khoov tshuab rau lub plhaub zoo arc sib sau, ovality Tsawg dua lossis sib npaug li 3 hli
• Tsis siv neeg vuam: Submerged arc vuam, GMAW, 100% UT / MT / RT weld soj ntsuam, Qib I kev tsim nyog
• Modular prefabrication: Hoobkas ua ntej- sib dhos ntawm lub tank hauv qab nruab nrab daim hlau, lub plhaub nplhaib, dome / grid plhaub thiab cov khoom siv (flanges, nozzles, ntaiv)

4. Tag nrho -Txoj Kev Tswj Xyuas Zoo

12 lub ntsiab lus tseem ceeb tswj kom zoo

• Kev txais khoom → Layout thiab lofting → Txiav thiab blanking → Ntug ua → Yob txoj kev
• Kev sib dhos thiab vuam → NDT → Dimensional verification → Anticorrosive txheej → Marking thiab coding
• Ntim thiab kev tiv thaiv → Hoobkas txais

5. Kev Pabcuam Engineering

Tag nrho - kev txhawb nqa los ntawm lub Hoobkas mus rau qhov chaw

• Kev txhawb nqa: BIM qauv, layout optimization, vuam txheej txheem tsim nyog (WPS/PQR)
• Logistics: Kev thauj mus los hnyav, kev tiv thaiv module, kev xa khoom thoob ntiaj teb
• Ntawm -Kev taw qhia ntawm qhov chaw: Cov kws tshaj lij nyob hauv cov engineers rau hoisting, sib dhos, vuam, ntsuas siab thiab txais

Tshaj 50% lub sijhawm tsim kho luv

Factory prefabrication tsis cuam tshuam los ntawm huab cua nrog kev ua haujlwm sib luag; tsuas yog module splicing xav tau ntawm qhov chaw. Kev teeb tsa tseem ceeb ntawm 10,000 m³ tank ua tiav hauv 20 hnub.

Zoo tshaj

Kev ntsuas kub thiab av noo tas li nrog kev siv vuam vuam, ua ntej - dhau qhov kev tsim nyog vuam ntau dua lossis sib npaug rau 98%. Dimensional raug thiab anticorrosion zoo nyob deb tshaj ntawm - qhov chaw tsim kho.

Txhim khu kev ruaj ntseg

90% ntawm qhov siab - qhov siab ua haujlwm tau hloov mus rau kev ua haujlwm hauv av, txo kev pheej hmoo ntawm kev nyab xeeb.

15-30% txo tus nqi tag nrhoKev siv cov khoom siv ntau dua, txo cov nqi zog / kev tswj hwm / khoom siv, thiab ze rau -zero rework rate.

Ua tiav kev ua raws cai thiab ntawv pov thawj

nruj me ntsis raws li cov qauv thoob ntiaj teb thiab lub teb chaws suav nrog API 650, GB 50128, GB 50341, nrog rau tag nrho cov txheej txheem raws li - cov ntaub ntawv tsim tau muab.

Nrog lub peev xwm ua ke ntawmkhoom + ua + engineering, GNEE Steel tau ua tiav ntau ntau lub tank loj prefabrication nyob hauv tsev thiab txawv teb chaws. Nws muaj txiaj ntsig zoo, siab -kev ua tau zoo, kev nyab xeeb thiab kev lag luam tau txais kev lees paub zoo los ntawm CNPC, CNOOC, Sinochem thiab cov tuam txhab lag luam loj txawv teb chaws.

Mus rau pem hauv ntej, GNEE Steel yuav txuas ntxiv ua kom tob tob tank prefabrication technology, txhawb kev txawj ntse, modular thiab ntsuab manufacturing, thiab muab ntau txhim khu kev qha steel cia tank kev daws teeb meem rau lub ntiaj teb no lub zog thiab infrastructure kev tsim kho. Peb pab cov neeg muas zaub ua tiav qhov project commissioning ntxov, xa rov qab thaum ntxov thiab ntev - lub sijhawm ua haujlwm ruaj khov.

GNEE Steel yog lub chaw tsim khoom thoob ntiaj teb thiab kev sib sib zog nqus ua lag luam tshwj xeeb hauv kev ua haujlwm siab - steel phaj, siab nkoj steel, hnav- cov hlau tsis muaj zog, huab cua hlau thiab stainless hlau. Nws integrates trading, ua, faib thiab engineering technical services.

Thov Ib Daim Quote

Lub tuam txhab muaj cov txheej txheem loj niaj hnub ua nruab nrog tag nrho - cov cuab yeej txheej txheem suav nrog CNC txiav, phaj dov, vuam thiab pretreatment, nrog rau txhua xyoo tank prefabrication muaj peev xwm tshaj 50,000 tons. Nws cov khoom thiab cov kev pab cuam npog ntau tshaj 80 lub teb chaws thiab cheeb tsam, tau cog lus los ua ib tug neeg ntseeg siab -tso tseg tus khub ntawm cov ntaub ntawv steel thiab engineering manufacturing rau cov neeg siv khoom thoob ntiaj teb.