Kushicilelwe: Septhemba 6, 2026 | Isigaba: Icala Lephrojekthi · Isicelo Somkhiqizo
Isingeniso
Njengoba kuqhubeka ukuthuthukiswa kwezimboni zokuhlola nokuhlanza uwoyela negesi ogwini loLwandle iCaspian, i-State Oil Company of Azerbaijan Republic (SOCAR) inesidingo esikhulayo samapayipi akwazi ukumelana nokushisa okuphezulu, umfutho ophezulu kanye nokugqwala kwe-sulfide kumaphrojekthi okuqoqana aphezulu kanye nokucwenga phansi komfula. Ngaphansi kwezimo zokusebenza ezimbi kakhulu, amapayipi avamile ensimbi yekhabhoni avame ukuqhekeka yi-oxide, ukuguqulwa kwe-creep kanye nokuqhekeka kokucindezeleka kwe-sulfide, okwehluleka ukuqinisekisa ukuphepha kokusebenza kwesikhathi eside.
I-ASTM A335 P9i-chrome-molyipayipi elingenamthungo le-alloyiyipayipi le-ferritic alloy elilinganiselwe lensizakalo yokushisa okuphezulu kanye neyokucindezela okuphezulu. Iqondiswe ezicini zesivinini esikhulu sokugeleza, ukucindezela okuphezulu kanye ne-sour medium kumaphrojekthi kawoyela negesi ase-Azerbaijan, i-SANONPIPE ihlinzekaUbubanzi bangaphandle obungu-660 mm, ubukhulu bodonga obungu-20 mmAmapayipi angenamthungo anodonga olusindayo i-A335 P9. Akhiwe ngokuhambisana ngokuqinile nezindinganiso ze-ASTM futhi alandelelwa ngokwezidingo zobunjiniyela bamazwe ngamazwe, asebenza njengokuhambisa uketshezi okuthembekile "kwemithambo yegazi" yamaphrojekthi obunjiniyela be-SOCAR kanye nobunjiniyela begesi besifunda.
❷Ukuhlukaniswa Kwezinto Nokusebenza Okuyinhloko Izinzuzo ze-ASTM A335 P9
❸Izimo Ezibalulekile Zokusebenza Komkhakha Kawoyela Negesi wase-Azerbaijan
❹Inani Lobunjiniyela Lokucaciswa Kosayizi okungu-660×20 mm
❺Ukulawulwa Kwekhwalithi Nokuqinisekiswa Kokuhambisana Nokuthunyelwa Kwempahla Ezweni
I-ASTM A335 / ASME SA335iyincazelo ejwayelekile yamapayipi ensimbi e-ferritic alloy angenamthungo ahloselwe isevisi yokucindezela okuphezulu okushisa okuphezulu. Njengebanga eliyinhloko ochungechungeni lwe-9Cr-1Mo, i-P9 ifinyelela ukuthuthukiswa kokusebenza okuphindwe kathathu ekumelaneni nokushisa, ukumelana nokugqwala kanye nokumelana nokuqhekeka ngokulinganisa okunembile kwe-chromium kanye ne-molybdenum.
Ukwakheka Kwamakhemikhali Ayinhloko kanye Nemisebenzi
| I-Alloying Element | Ububanzi Bokuqukethwe | Umsebenzi Wokusebenza |
|---|---|---|
| I-Chromium (Cr) | 8.0% – 10.0% | Yakha ungqimba oluqinile, oluziphilisayo lwe-chromium oxide ebusweni bepayipi, oluthuthukisa kakhulu ukumelana nokugqwala kwe-oxidation ekushiseni okuphezulu kanye nokumelana nokugqwala kwe-sulfide, olufanelekelauwoyela omuncu kanye nemithombo yegesi |
| I-Molybdenum (Mo) | 0.90% – 1.10% | Kuthuthukisa amandla okushisa okuphezulu kanye nokumelana nokukhukhuleka ngokuqinisa isixazululo esiqinile, kuvimbela ukuguquguquka kwamapayipi kanye nokwehluleka ngaphansi kokushisa okuphezulu kwesikhathi eside kanye nengcindezi |
Izakhiwo Eziyinhloko Zemishini
- Amandla amancane okudonsa:415 MPa
- Amandla amancane okukhiqiza:205 MPa
- Izinga lokushisa eliphezulu eliqhubekayo:≤ 650°C
- Ukuthobela imithetho yezinto ezibonakalayo: KuhlangabezanaI-NACE MR0175izidingo zokumelana nokuqhekeka kokucindezeleka kwe-sulfide, ezifanele izindawo ezimuncu kawoyela negesi
Uma kuqhathaniswa nensimbi yekhabhoni evamile, ipayipi le-P9 alloy linikeza impilo ende yokuqhekeka kwe-creep ebangeni lama-500–600°C, okwenza kube yinto ekhethwayo yamayunithi okuhlanza okushisa okuphezulu kanye namapayipi omusi acindezelwe kakhulu.
Izimo Ezibalulekile Zokusebenza Komkhakha Kawoyela Negesi wase-Azerbaijan
Ngokuhambisana nezici zegesi emuncu ehlobene naso kanye namazinga okushisa aphezulu enqubo yokucwenga ezindaweni zikawoyela zase-Azerbaijan, amapayipi e-A335 P9 660×20 amboza ngokugcwele izimo zokusebenza eziyinhloko kulo lonke uchungechunge lwenani oluphezulu, oluphakathi noluphansi.
1. Ukuqoqwa Nokucubungula Kawoyela Negesi Okuphezulu
Ukuze kutholakale amapayipi okuqoqa uwoyela omuncu kanye negesi okushisa okuphezulu ezindaweni zikawoyela zaseCaspian ezisogwini kanye nasogwini,Ipayipi le-alloy le-A335 P9imelana nokugqwala okuphakathi okune-asidi kanye nomthwalo wengcindezi yesikhathi eside. Ububanzi obukhulu obungu-660 mm buvumelana nezidingo zokudlulisa ukugeleza okukhulu kwemigqa ye-trunk, okwenza kube ukukhetha okuhle kwamapayipi enqubo yokushisa okuphezulu ezindaweni zokuqoqa kanye neziteshi zokukhulisa.
2. Amayunithi Okucubungula Nokucwenga Amakhemikhali
Kumayunithi ayinhloko ezindawo zokuhlanza ze-SOCAR ezifana nokuqhekeka kwe-catalytic, i-hydrodesulfurization kanye nama-heater okulungisa, amapayipi e-P9 alloy asetshenziswa kabanzi ku:
- Amashubhu esithando kanye nemigqa yokudlulisa eshisa kakhulu
- Amapayipi okungena nawokuphuma kwama-hydrogenation reactors
- Amapayipi aphakathi nendawo anomuncu okushisa okuphezulu kumayunithi okususa i-sulfurization
Ukumelana kwayo okuhle kakhulu nokuhlasela kwe-hydrogen kanye nokumelana nokugqwala kwe-sulfide kunganciphisa kakhulu ukuvalwa kwesitshalo kanye nemvamisa yokugcinwa.
3. Izinhlelo Zokukhiqiza Ugesi Nezinsiza
Ezitshalweni zamandla ezivalekile kanye nezinhlelo zebhoyila yokushisa elahliwe ezisekela izindawo zokuhluza, amapayipi ensimbi e-P9 asetshenziswa ezingxenyeni ze-superheater kanye ne-reheater kanye nemigqa eyinhloko ye-steam, kugcinwa ukuzinza kwesakhiwo isikhathi eside ngaphansi kwezimo ze-steam zekilasi lika-600°C kanye nokuqinisekisa ukusebenza okuqhubekayo kwezinhlelo zezinsiza.
Inani Lobunjiniyela Lokucaciswa Kosayizi okungu-660×20 mm
Ukukhethwa kwe660 mm OD × 20 mm WITImininingwane isekelwe ekucabangeni okuphelele kobunjiniyela bezimo zokusebenza ezihambayo kakhulu, ukuphepha kwengcindezi kanye nemvume yokugqwala.
Ububanzi Obukhulu Bokudlulisa Okugeleza Kakhulu
Umklamo wangaphakathi ongu-660 mm ububanzi uhlangabezana nesidingo esikhulu sokudlulisa uketshezi olushisa kakhulu lwemigqa emikhulu yokuhlanza kanye nezihloko zokuqoqa uwoyela, kunciphisa ukulahleka kwengcindezi yamapayipi, kuthuthukisa ukusebenza kahle kokudlulisa uhlelo, futhi kuhambisana nesilinganiso samandla samaphrojekthi amakhulu okuhlanganisa ukucwenga.
Umklamo Wodonga Olunzima Wokukwazi Ukucindezela Nokuphindaphindwa Kwempilo Yesevisi
Umklamo wobukhulu bodonga obungu-20 mm unikeza izendlalelo ezintathu zenani lobunjiniyela:
- Isiqinisekiso sokuthwala ingcindezi: Ihlangabezana nezidingo zomfutho wokusebenza ezingaphezu kuka-9.8 MPa emazingeni okushisa aphezulu kanye nesici sokuphepha esanele.
- Isibonelelo sokugqwala: Igcina umkhawulo wokugqwala owanele we-sour media kanye ne-oxidation yokushisa okuphezulu, okwandisa impilo yesevisi yomklamo.
- Ukuphindaphindeka kwe-Cruise: Isakhiwo esinodonga olusindayo simelana kangcono nokukhukhuleka kwezinga lokushisa eliphakeme isikhathi eside, kunciphisa ukuguquguquka kanye nezingozi zokwehluleka.
Ukulawulwa Kwekhwalithi Nokuqinisekiswa Kokuhambisana Nokuthunyelwa Kwempahla Ezweni
Ukuze kuhlangatshezwane nezidingo zokufinyelela kumaphrojekthi obunjiniyela bamazwe ngamazwe e-Azerbaijan, yonke inqwaba yamapayipi e-A335 P9 ahlinzekwa yi-SANONPIPE ilawulwa ikhwalithi ngokuqinile kanye nokuphathwa kwemibhalo.
Ukuhlolwa Kwekhwalithi Yenqubo Egcwele
- Ukwelashwa kokushisa kwe-Mill: Kwenziwe ngenqubo yokulungisa nokulungisa ukuze kutholakale isakhiwo esincane esithambile esifanayo futhi kuqinisekiswe izakhiwo zemishini ezizinzile zokushisa okuphezulu.
- Ukuhlolwa okungabhubhisi: Ukuhlolwa kwe-ultrasonic okungu-100% (UT) ngepayipi ngalinye ukuthola imifantu yangaphakathi, ama-lamination kanye nezinye izinkinga.
- Ukuhlolwa kwe-hydrostatic: Ukuhlolwa kwe-hydrostatic okunomfutho ophezulu okwenziwe ngokwejwayelekile ukuqinisekisa ukuvalwa okuphelele kanye nomthamo wokuthwala ingcindezi.
- Ukuhlolwa kabusha kobukhulu: Ukulawulwa okuqinile kobubanzi bangaphandle, ukujiya kodonga kanye nobukhulu bobuso bokugcina ukuze kuhambisane nezidingo zokunemba kokufakwa endaweni.
Imibhalo Ephelele Yokuthobela Ukuthunyelwa Kwempahla Ngaphandle
Ukuthunyelwa ngakunye kuhambisana nemibhalo ephelele yekhwalithi ukuze kuhlangatshezwane nezidingo zokulandelela ubunjiniyela bamazwe ngamazwe kanye nokususwa kwempahla:
- OkwangempelaIzitifiketi Zokuhlolwa Kwe-EN 10204 3.2 Mill (MTC)ehlanganisa idatha ephelele yokwakheka kwamakhemikhali, izakhiwo zemishini, amarekhodi okwelashwa kokushisa kanye nemibiko yokuhlola.
- Isitifiketi sokuhambisana nenkampani yangaphandle siyatholakala uma siceliwe ukuze sihambisane nemininingwane yokwamukelwa kwephrojekthi yendawo e-Azerbaijan.
- Isethi ephelele yamadokhumenti okuthumela ngaphandle, asekela ukulethwa kwe-DAP echwebeni noma endaweni yephrojekthi.
Iziqondiso Zokwakha Nokushisela Esakhiweni
I-A335 P9 iyinsimbi ye-ferritic alloy ene-chromium ephezulu enokuthambekela okuqinile kokuqina komoya. Ukushisela nokwakha endaweni kufanele kulandele izidingo ezikhethekile zenqubo ukuze kugwenywe ukuqhekeka okubandayo kuma-weld:
- Ukushisa ngaphambi kokushisela: Shisa izinhlangothi zombili zomsele ngaphambi kokushisela, izinga lokushisa lokushisa elingaphansi kuka-200°C; izinga lokushisa lokushisa eliphakeme linconywa kumapayipi anodonga olusindayo.
- Ukwelashwa kokushisa ngemva kokushiswa (PWHT): Yenza ukufudumeza ngemva kokushisela ngokushesha ngemva kokushisela ukuze ususe ukucindezeleka kokushisela okusele futhi ubuyisele ukuqina kwendawo ethinteke ukushisa kokushisela, uqinisekise ukuthi ukusebenza kwamalunga kufana nensimbi eyisisekelo.
- Izinto ezisetshenziswayo ezifanayo: Sebenzisa izinto ezisetshenziswayo zokushisela ezifanela izinga elifanayo ukuqinisekisa ukuthi ukwakheka kwe-weld alloy kanye nokumelana nokugqwala kuhambisana nesisekelo sensimbi.
Isiphetho
Ipayipi elingenamthungo le-ASTM A335 P9 660×20 elinodonga olusindayoIhlanganisa izinzuzo ezintathu eziyinhloko zamandla okushisa okuphezulu, ukumelana nokugqwala kwe-sulfide kanye nokumelana nokuqhekeka, ifanelana kahle nezimo zokusebenza ezimbi kakhulu zokucutshungulwa nokuhluzwa kukawoyela negesi e-Azerbaijan, futhi iyisisombululo esithembekile samapayipi enqubo yokucindezela okuphezulu okushisa okuphezulu.
Njengochwephesheumshicileli wepayipi le-alloy elingenamthungoIgxile emakethe kawoyela negesi yaseCaspian nase-Asia Ephakathi, i-SANONPIPE inikeza ukuhlinzekwa okulungiselelwe kanye nokwenziwe ngokwezifiso kwamapayipi ensimbi e-alloy e-A335 aphelele. Sithembele ohlelweni lokulawula ikhwalithi oluqinile, imibhalo ephelele yokuthobela imithetho kanye nokuthunyelwa kwempahla okuphumelelayo kwemingcele, sinikeza izinsizakalo zokuthengwa kwamapayipi okukodwa kwabakhi be-SOCAR kanye nabakhi be-EPC besifunda, sisekela ukulethwa kwephrojekthi okuphephile, okuzinzile nokuphumelelayo.
Ukuze uthole imininingwane eningiliziwe, izingcaphuno zesitoko kanye nezixazululo zokulethwa kwalo mkhiqizo, wamukelekile ukuxhumana nethimba lethu lokuthengisa.
Isikhathi sokuthunyelwe: Septhemba-09-2026
