Boiler Yeeb Nkab
Qhov ntau ntawm Thickness: Tsawg dua lossis sib npaug li 150 hli (customized muaj)
Qhov ntev: 6m, 12m, 20FT, 40FT, lossis txog li 18m customized
Hlau Qib (Alloyed): ASTM A335 / ASME SA335 Qib P1, P2, P5, P9, P11, P12, P22, P91, P92, P122
Txuj: ASTM A335 / A213, ASME SA335 / SA213, EN10216-2, DIN, GB / T8162
Ends Hom: Beveled xaus, Plain xaus, Xov nrog couplings
Cov yam ntxwv tseem ceeb: Siab- kub lub zog, nkag siab tsis kam, oxidation thiab corrosion kuj, haum rau boiler, superheater, reheater thiab siab piping kev pab cuam
Boiler Yeeb Nkabyog ib qho seamless steel yeeb nkab tsim tshwj xeeb rau siab - kub thiab siab - kev pabcuam siab.Boiler yeeb nkab tseem hu ua Chrome-Moly Pipe (Chromium-Molybdenum Alloy Steel Pipe) cov khoom feem ntau yogCr–Mo low{0}} hlau alloyengineered rau siab - kub / siab - kev pabcuam siab, qhov twg nkag tau lub zog thiab oxidation kuj tswj lub neej kev cia siab. Hauv kev xyaum, "boiler yeeb nkab" kev yuav khoom yog qib-tsav (piv txwv li, P11 / P22 / P91), vim tias alloy tsim + kev kho cua sov txiav txim siab ntev - lub sijhawm ua haujlwm nyob rau hauv chav dej thiab dej kub.
Los ntawm kev ntxiv chromium (Cr) thiab molybdenum (Mo) rau cov hlau, cov kav dej no muaj qhov ua tau zoo heev - qhov kub thiab txias zog, creep resistance, oxidation kuj, thiab corrosion kuj. Lawv tau siv dav hauv cov cuab yeej tseem ceeb tuav cov chav dej, cov kua dej kub, thiab cov xov xwm corrosive, xws li lub zog cog boilers, petrochemical heaters, heat exchangers, thiab siab pipelines.
Nrog xyoo dhau los ntawm kev tsim khoom thoob ntiaj teb, Octal Pipe tsim thiab xa cov kav dej boiler hauv kev ua raws li ASTM, ASME, DIN, EN cov qauv. Qib npog P1–P92 thiab P122, ua kom cov kev daws teeb meem rau txhua yam los ntawm cov pa boilers mus rau qib siab heev -supercritical units.
International Standards & Qib
- ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASTM A335 / ASME SA335 / ASTM A335 / ASTM A335 / ASME SA335 / ASME SA335 / ASTM A335 / ASME SA335 / ASTM A335 / ASME SA335 / ASTM A335 / ASME SA335 / ASTM A335 / ASME SA335 / ASTM A335 / ASME SA335) Cov ntawv pov thawj: Ferritic alloy steel seamless kav rau siab -kev pabcuam kub
- ASTM A213 / ASME SA213: Seamless alloy steel kav rau boiler thiab superheater daim ntaub ntawv
- TS EN 10216-2: Seamless steel raj rau lub hom phiaj siab
Common Qib & Daim Ntawv Thov:
- P1, P2- Tsawg- qib alloy rau nruab nrab qhov kub thiab txias
- P11, P12, P22- Siv dav hauv fais fab & petrochemical siab -kub kab
- P5, P9, P21- Txhim kho corrosion kuj rau xav tau tshuaj ib puag ncig
- P91, P92, P122- Advanced high - qib kev ua tau zoo rau ultra-supercritical boilers nrog lub neej ua haujlwm ntev thiab lub zog zoo dua
Boiler Pipe Specifications (Size, Teem caij, Xaus & Kev Xeem)
| Khoom Specification | Hom ntau yam / xaiv |
|---|---|
| Lub ntsiab lus txhais | OD × phab ntsa thickness × ntev × qib × kav txheej txheem |
| OD Ntau | 10.3-1422 hli |
| Phab ntsa Thickness | Mus txog150 hli(kev cai muaj) |
| Ntev Options | 6 m / 12 m / 20 ft / 40 ft, mus txog18 mntawm kev thov |
| Kev npaj kawg | BE, PE, Threaded & Couplings(raws li xav tau) |
| Dab tsi los xauv hauv PO (spec ua tiav) | Qib xaiv (Qib P/T), kev kho cua sov (yog tias tsim nyog),NDT Scope, thiabcov ntaub ntawv pobxav tau kev tso tawm |
Boiler Tube Khoom Qib / Boiler Tube Steel Qib (P-Qib vs T- Qib)
Hauv cov ntaub ntawv project,"Boiler tube steel qib"feem ntau hais txogASTM A 213tub qib, hos"Boiler Tube"nquag sivASTM A335 Cov Lus Qhia Tshwj Xeebcev qib. A213 npog seamless alloy boiler/superheater/heat-exchanger tubes, thiab A335 npog seamless ferritic alloy-steel yeeb nkab rau siab-kev pab kub-txog tsev neeg cov ntaub ntawv, tab sis teev txawv nyob rau hauv BOMs thiab soj ntsuam tej pob khoom.
Txhawm rau kom tsis txhob muaj kev tsis sib haum xeeb ntawm qib kev yuav khoom thiab kev tso tawm cov khoom, siv cov cai no:
Txoj cai 1 - Kho lub npe qib rau hom khoom:sauT- qibrau A213 tube khoom thiabP-qibrau A335 piping khoom. Qhov no tiv thaiv "cov ntaub ntawv raug, tsis yog daim ntawv pov thawj" tsis lees paub thaum EPC tshuaj xyuas.
Txoj cai 2 - Siv tus ntoo khaub lig- tsuas yog siv raws li kev taw qhia, tsis yog hloov pauv:tej yaam num feem ntau pomP11 ↔ T11thiabP22 ↔ T22raws li tib tsev neeg kev pabcuam (pipe vs tube designation), tab sis PO yuav tsum tseem hu tawm cov qauv thiab cov khoom tsim nyog.
Txoj cai 3 - Tsis txhob sib tov seamless raj vs seamless yeeb nkab yuav tsum:A213 cov khoom siv raj feem ntau khi rau lub rhaub / boiler coil fabrication cov cai thiab nruj dua qhov yuav tsum tau muaj / ID, thaum A335 cov kav dej feem ntau tsom rau ciam teb siab thiab kev ua raws li cov kav dej.
Txoj cai 4 - Qib xaiv yog hais txog qhov ntev - lub sij hawm siab - qhov kub thiab txias:siab dua- qib nkag xws liP91/P92feem ntau tau teev tseg thaum tus qauv tsim yuav tsum tau ntev dua - lub zog ntawm qhov kub siab, tsis yog "yield ntau dua." Paub meej tias qib pes tsawg thiab kev kho cua sov xav tau los ntawm cov cai / spec.
Txoj cai 5 - Tso cov pob tshuaj ntsuam xyuas / kho cua sov, tsis yog qib:rau cov khoom siv boiler yeeb nkab, cov neeg yuav khoom feem ntau xav tau kev pom tseeb ntawmKev kho cua sovthiabNDT Scope(ib qhov project ITP) vim tias cov no cuam tshuam ncaj qha rau kev lees txais hauv siab -kev pabcuam kub.
Txoj cai 6 - Yog tias daim ntawv teev cov khoom siv hais tias "tube," tsis txhob hloov nrog "pipe" (thiab vice versa):Txawm hais tias qhov ntev zoo sib xws, cov txheej txheem / ntawv pov thawj txoj kev sib txawv thiab tuaj yeem ua rau tsis sib haum xeeb thaum tau txais.
Cov lus qhia txog kev yuav khoom:Thaum xa RFQs, suav nrog cov kab lus hais raws nraim li nws tshwm hauv cov khoom siv (xws li "ASTM A213 T22 boiler raj" lossis "ASTM A335 P22 boiler yeeb nkab"), tom qab ntawd ntxiv OD × WT, ntev, thiab cov ntaub ntawv xav tau- qhov no yog txoj hauv kev ceev tshaj plaws kom tsis txhob muaj ntawv pov thawj tsis sib haum ntawm cov khoom tso tawm.
Cov txiaj ntsig tseem ceeb (Enhanced)
- Exceptional High -Tsub Muaj ZogUa tsaug rau Cr-Mo alloy reinforcement, Boiler Pipes tuaj yeem tswj tau lub zog ruaj khov thiab rigidity ntawm 600℃thiab siab dua, tiv thaiv thermal degradation. Qhov no ua kom ntev -lub sij hawm, nyab xeeb, thiab ruaj khov ua haujlwm nyob rau hauv siab -siab chav thiab dej kub kev pab cuam.
- Creep Resistance & Extended Service LifeYas deformation (creep) nyob rau hauv lub sij hawm ntev siab -kub thiab siab - siab yog hom tsis ua hauj lwm. Chrome-Moly kav, nrog optimized Cr-Mo ratios thiab kev kho cua sov, pom zoo heev creep tsis kam, ua kom muaj ntau txhiab teev ntawm kev pab cuam tas mus li yam tsis muaj qhov seem tsis ruaj khov. Qhov no txo qis kev kaw tsis tau teem sijhawm thiab cov nqi kho mob.
- Superior Oxidation & Corrosion Resistance Chromium (Cr)tsim cov txheej tiv thaiv oxide tuab, txo qis oxidation hauv chav thiab cov pa kub; Molybdenum (Mo) txhim khu kev tiv thaiv tiv thaiv sulfur - thiab chlorine - muaj cov xov xwm. Qhov no tso cai rau cov kav dej kom ua tiav lub neej ua haujlwm ntev dua hauv qhov chaw hnyav xws li lub zog boilers, refinery heaters, thiab tshuaj reactors.
- Zoo Weldability & Fabrication Compatiblenrog automated welding, ntawm - qhov chaw vuam, thiab ntau txoj kev muab tub lim, kom ntseeg tau tias muaj zog thiab tsis zoo - cov pob qij txha dawb. Nrog rau kev ua haujlwm zoo (khoov, txiav, beveling), cov kav dej no tau hloov kho tau yooj yim rau cov txheej txheem kev teeb tsa thiab kev cai - cov cuab yeej siv tshuab.
- Qib Qib Siab & Cov Qauv Thoob Ntiaj Teb Los Ntawm P1 / P2kev lag luam kev daws teeb meem rau P91/P92 tau ntev heev- kev xaiv lub neej, cov qib tuaj yeem xaiv raws li qhov kub, siab, thiab hom nruab nrab, ntsuas qhov ua tau zoo thiab tus nqi. Tag nrho cov ntawv pov thawj rau ASTM, ASME, EN, DIN, cov khoom no tau txais kev lees paub hauv cov haujlwm thoob ntiaj teb.
- Optimized Lifecycle Tus NqiTxawm hais tias qhov kev nqis peev thawj zaug yog siab dua cov pa roj carbon steel, Chrome-Moly Boiler Pipes xa cov kev pab cuam lub neej ntev dua, tsawg dua kev txij nkawm, thiab txhim kho cov cuab yeej siv tau zoo, ua rau txo nqi tag nrho ntawm cov tswv cuab (TCO). Lawv tshwj xeeb tshaj yog tsim rau kev tsim hluav taws xob, kho kom zoo, thiab kev lag luam hluav taws xob qhov chaw ua haujlwm thiab kev ntseeg siab yog qhov tseem ceeb.
Boiler pipes Chemical Composition
Kev ua tau zoo tshaj ntawm Chrome-Moly Boiler Pipes los ntawm kev tsim cov hlau.
- Chromium (Cr)muab oxidation thiab corrosion kuj
- Molybdenum (hli)txhim kho siab -kub lub zog thiab nkag siab tsis kam
- Carbon (C), Manganese (Mn), thiab Silicon (Si)raug tswj nruj heev
- Cov kab ke(V, Nb, N, thiab lwm yam) hauv cov qib siab dua (P91, P92) txhim kho toughness thiab ntev -lub sij hawm lub zog
Cov ntsiab lus tshuaj muaj pes tsawg leeg muaj nyob rau hauv cov lus hauv qab no.
Boiler pipes Mechanical Properties
Mechanical kev ua tau zoo yog qhov tseem ceeb nyob rau hauv siab - kub thiab siab - ib puag ncig siab.
- Tensile zogxyuas kom cov kav dej tiv thaiv kev tawg hauv kev ntxhov siab ntawm qhov kub siab
- Yield zogmuab cov npoo kev nyab xeeb txaus nyob rau hauv lub siab ruaj khov
- High -kev ua tau zooCov qib xws li P91/P92 muaj lub zog ntau dua thiab kev ua siab ntev dua li cov qauv P11/P22, txuas ntxiv cov sijhawm soj ntsuam thiab txhim kho cov txheej txheem muaj.
Xa mus rau lub rooj hauv qab no kom paub meej cov ntaub ntawv kho tshuab.
Boiler yeeb nkab rwb thaiv tsev & Boxing (Dab tsi los qhia kom tsis txhob CUI)
Boiler yeeb nkab rwb thaiv tsev yog feem ntau ntsia rauThaum tshav kub kub- tswj tsis tau thiab tiv thaiv cov neeg ua haujlwm, tab sis nws tseem tuaj yeem qhia txog qhov kev pheej hmoo loj ntawm kev ntseeg siab yog tias cov dej tso cai nkag mus thiab nyob twj ywm. Hauv ntau cov nroj tsuag,boiler yeeb nkab boxinghais txogboxing/lagging yeeb nkab nrog rwb thaiv tsev ntxiv rau hlau tsho (cladding)los tiv thaiv lub rwb thaiv tsev thaum lub sijhawm ua haujlwm thiab tu. Qhov kev yuav khoom "ua-los yog- tawg" nthuav dav tsis yog rwb thaiv tsev tuab xwb- nws yogdej ingress tswj + dej / qhov cua, vim tias cov dej khib nyiab tuaj yeem tsav taucorrosion nyob rau hauv rwb thaiv tsev (CUI)nyob rau sab nraud yeeb nkab nto, feem ntau undetected mus txog rau thaum ib tug hluav taws xob.
Txhawm rau ua kom ntu no ua tau zoo dua, ntawm no yog cov ntsiab lus tseem ceeb uas feem ntau tau teev tseg ntawm cov haujlwm tiag tiag:
- Txhais lub hom phiaj ntawm rwb thaiv tsev thiab lub hnab ntawv kub:thickness thiab cov khoom raug xaiv los ntawm kev khiav hauj lwm kub thiab cua sov- poob lub hom phiaj, tab sis kuj los ntawm seb kab puas pomcaij tsheb kauj vab(pib / nres) uas tso dej noo los ntawm cov pob qij txha.
- Qhia meej txog lub tsho tiv no, tsis yog "cov rwb thaiv tsev" nkaus xwb:cov khoom (aluminium / stainless / galvanized), thickness, thiab yuav ua li cas seams / overlaps yog tsim; tsis zoo overlaps ua cov ntsiab lus nkag dej.
- Cov ntsiab lus tswj dej ingress (feem ntau nco):yuav tsum tau muab cov seams kaw ntev, kaw qhov xaus qhov tsim nyog, thiab cov kev cai meej nyob ib puag ncig kev nkag mus (txhawb nqa, ntsuas kais dej, brackets).
- Dej / qhov cua philosophical:qhia qhov twg cov dej tuaj yeem khiav tawm tau- qis- cov dej ntws tawm, lub qhov dej quaj, los yog qhov chaw tso pa tawm -vim tias lub kaw lus "zoo tag nrho" hauv lub neej tiag tiag feem ntau dhau los ua ib qhodej ntxiabtom qab kev puas tsuaj.
- Cov cheeb tsam tseem ceeb los hu kom meej meej:cov yeeb nkab txhawb nqa thiab clamps, lub luj tshib / tees, cov ntsiab lus qis, thiab cov ntsiab lus txiav tawm -cov no yog CUI hotspots ntau zaus vim lawv tuav cov dej noo thiab mloog zoo rau kev ntxhov siab.
- CUI pheej hmoo kub band paub txog:cov kab uas ua haujlwm nyob rau hauv ntau qhov kev pheej hmoo CUI (feem ntau sov txaus kom ntub dej tab sis tsis kub txaus kom qhuav sai) feem ntau xav tau kev nruj nruj dua kev qhuab qhia thiab kev npaj nkag mus kuaj.
- Kev tshuaj xyuas- kev sib tw ncaws pob:xav tautshem tau cov seemlos yog kev tshuaj xyuas qhov rais ntawm qhov siab - qhov chaw muaj kev pheej hmoo yog li tus tswv tuaj yeem txheeb xyuas qhov xwm txheej sab nraud yam tsis muaj tag nrho strip - tawm thaum txhua qhov hluav taws xob.
- Kev npaj thiab txheej txheej hauv qab rwb thaiv tsev:Yog hais tias qhov project siv ib txheej nyob rau hauv rwb thaiv tsev, qhia meej hom txheej thiab nto prep hauv paus; rwb thaiv tsev tsis hloov kev tiv thaiv corrosion.
- Maintenance reality clause:suav nrog cov qauv kev lees paub rau kev kho lub tsho tiv thaiv kev puas tsuaj, vim hais tias cov pob tw / cov kua muag yog qhov tshwm sim thiab dhau los ua ntev ntev - cov neeg pib xau yog tias tsis kho sai.
Boiler Yeeb Nkab Tos Sab Nraud (Common Causes & Prevention)
| Yam koj pom ntawm qhov chaw | Hom hauv paus ua rau | Yuav ua li cas qhia / ua (kev tiv thaiv) |
|---|---|---|
| Cov stains ntub los yog poob hauv qab rwb thaiv tsev | CUIlos ntawm cov dej nkag los ntawm kev puas tsuaj ntawm lub tsho, kev sib tsoo tsis zoo, lossis kev nkag mus tsis tau | Qhia meej txog rwb thaiv tsev / boxing cov ntsiab lus rautswj dej + dej / qhov cua, thiab npaj cov ntu uas tshem tau / cov ntsiab lus tshuaj xyuas ntawm - thaj chaw muaj kev pheej hmoo siab |
| Leak cov ntsiab lus ze ntawm kev txhawb nqa, clamps, khau | Cov cuab yeej ntub dej + cov kab nrib pleb; txheej puas los ntawm kev co / tuav | Xav tau kev txhawb nqa- thaj chaw nthuav dav thiab tshuaj xyuas kom pom (txhim kho cov txheej txheem kho, tiv tauj- tiv thaiv taw tes, kuaj xyuas raws sijhawm) |
| Rov ua dua "sab nraud tawm" tom qab kaw / pib | Thermal cycling qhib qhov khoob hauv lub tsho / txheej; wet-dry cycles accelerates sab nraud corrosion | Tighten jacketing overlap / txiav txoj cai; kho cov kab tsheb kauj vab kom siab dua - kev pheej hmoo nrog kev nkag mus rau kev soj ntsuam |
| Leaks concentrated ntawm lub luj tshib / qis cov ntsiab lus | Condensation pooling thiab dej tsis zoo; localized corrosion hotspots | Ntxiv cov kua dej / qhov cua lub tswv yim, hu rau lub luj tshib / cov ntsiab lus qis raws li "CUI hotspots" rau kev tshuaj xyuas thiab kev kuaj ua ntej |
| Kev ncua ntawm cov khoom tso tawm thaum kho | Cov pov thawj ploj / tsis meej rau kev lees paub (traceability, HT / NDT qhov) | Lock PO yuav tsum:MTC + cov ntaub ntawv kho cua sov + NDT qhovua raws li ITP kom kho cov ntaub ntawv tso tawm sai dua |
Boiler Pipe Applications (Kev ua haujlwm tiag tiag)
- Boiler/HRSG siab -kub headers thiab kev sib txuas spools:
Hauv HRSG thiab boiler Islands tuaj, headers thiab spool kev sib txuas ua haujlwm nrog kev kub siab, ntxiv rau kev co thiab thermal gradients. Kev ua haujlwm hauv teb feem ntau cuam tshuam nrog lub qhov rais kaw ntom nti qhov twghaum-ua kom raug thiab kev qhuab ntuas cov txheej txheem vuamtxiav txim siab seb lub sijhawm teem tseg. Ua raws li OD/WT thiab raug cua sov- kev kho mob yog qhov tseem ceeb ntawm kev yuav khoom.
- Superheater / reheater qhov hluav taws xob piping ze ntawm lub qhov cub (Radiant cheeb tsam raug):
Piping ze rau ntawm lub qhov cub ua rau muaj qhov kub thiab txias, oxidation scaling, thiab cua sov tsis sib xws. Qhov tseeb ntawm qhov chaw ua haujlwm yog qhov rwb thaiv tsev thiab lub tsho tiv thaiv feem ntau raug tshem tawm thiab rov nruab dua thaum tu, yog li tswjSab nraud oxidation thiab CUI kev pheej hmooyog ib feem ntawm lub neej voj voog, tsis yog qhov kev xaiv thawj zaug xwb.
- Lub tshuab hluav taws xob hluav taws xob hluav taws xob hluav taws xob thiab cov roj kub hloov lub voj voog:
Cov tshuab no khiav ntawm qhov kub thiab txias rau lub sijhawm ntev, nrog rau qhov kub thiab txias thaum lub sijhawm hloov pauv thiab cov txheej txheem ntxhov siab. Cov teeb meem ntawm qhov chaw ua haujlwm feem ntau suav nrog flange / haum- nce kev ntxhov siab los ntawm kev loj hlob thermal thiab rwb thaiv tsev puas tsuaj uas ua rau sab nraud corrosion. Alloy boiler yeeb nkab cov ntaub ntawv yog siv los ua kom lub zog ntawm qhov kub thiab txias thiab txo kev kho tsis tau npaj.
- Siab- cov txheej txheem siab piping thiab txuas nrog lub tshuab siab (valve stations / reactor tie-ins):
Nyob rau hauv siab - cov chav nyob siab, piping nyob ib ncig ntawm lub reactors, compressors, thiab valve chaw nres tsheb pom cov neeg kho tshuab loads los ntawm kev txhawb nqa, kev co, thiab kev saib xyuas tsis tu ncua. Kev yuav khoom feem ntau hais txogcov ntaub ntawv pov thawj, traceability, thiab weldability tswj vim tias cov ntaub ntawv ploj lawm tuaj yeem ncua kev ua haujlwm.
FAQ
Q: Dab tsi yog qhov tshwj xeeb ntawm boiler yeeb nkab?
Q: Cov khoom siv boiler yeeb nkab yog dab tsi?
Q: Boiler tube khoom qib / boiler raj steel qib - nws txawv li cas ntawm boiler yeeb nkab qib?
Q: Boiler yeeb nkab tawm sab nraud - yog dab tsi tshwm sim thiab yuav tiv thaiv nws li cas?
Cov ntawv pov thawj
CE Daim Ntawv Pov Thawj
ISO 9001 Daim ntawv pov thawj
API Q1 Daim Ntawv Pov Thawj
ABS Certificate
AP-5L Certificate
API-5CT Certificate
| Yam khoom | Specification |
|---|---|
| Yam khoom | Seamless Chrome-Moly (Cr-Mo) alloy steel boiler yeeb nkab rau siab- kub / siab- kev pabcuam siab (Octal Pipe Co., Ltd.) |
| OD Ntau | 10.3-1422 hli(Octal Pipe Co., Ltd.) |
| Phab ntsa Thickness | Tsawg dua los yog sib npaug li 150 mm(kev cai muaj) (Octal Pipe Co., Ltd.) |
| Ntev | 6 m / 12 m / 20 ft / 40 ft, mus txog18 mRaws li kev thov (Octal Pipe Co., Ltd.) |
| Qib (A335/SA335) | P1, P2, P5, P9, P11, P12, P22, P91, P92, P122(Octal Pipe Co., Ltd.) |
| Cov qauv | ASTM A335 / A213; ASME SA335 / SA213; EN 10216-2; DIN; GB/T 8162(Octal Pipe Co., Ltd.) |
| Xaus | BE / PE / Threaded nrog couplings(Octal Pipe Co., Ltd.) |
| Key Performance | Siab - qhov kub thiab txias,creep kuj, oxidation & corrosion kuj; siv rau boiler / superheater / reheater / siab piping (Octal Pipe Co., Ltd.) |
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