Ipapashwe: Septemba 6, 2026 | Udidi: Ityala leProjekthi · Isicelo seMveliso
Intshayelelo
Ngenxa yokuphuculwa okuqhubekayo kwemizi-mveliso yokuhlola ioyile negesi kunye nokucoca ulwandle lwaseCaspian, iNkampani yeOyile yeLizwe laseAzerbaijan (iSOCAR) inemfuno ekhulayo yemibhobho ekwaziyo ukumelana nobushushu obuphezulu, uxinzelelo oluphezulu kunye nokugqwala kwe-sulfide kwiiprojekthi zokuqokelelana okuphezulu kunye nokucoca okusezantsi. Phantsi kweemeko ezinzima zokusebenza, imibhobho eqhelekileyo yentsimbi yekhabhoni ithambekele ekuqhekekeni kwe-oxide, ukuguquguquka kwe-creep kunye nokuqhekeka koxinzelelo lwe-sulfide, okusilela ukuqinisekisa ukhuseleko lokusebenza ixesha elide.
I-ASTM A335 P9i-chrome-molyumbhobho ongenamthungo we-alloyyityhubhu ye-ferritic alloy esemgangathweni yokubonelela ngenkonzo yobushushu obuphezulu kunye noxinzelelo oluphezulu. Ijolise kwiimpawu zesantya sokuhamba okukhulu, uxinzelelo oluphezulu kunye nomgangatho omdaka kwiiprojekthi zeoyile negesi zaseAzerbaijan, iSANONPIPE inikezela ngeenkonzo zayo.Ububanzi bangaphandle obuyi-660 mm, ubukhulu bodonga obuyi-20 mmIipayipi ezingenamthungo ze-A335 P9 eziqinileyo. Zenziwe ngokuhambelana ngokungqongqo nemigangatho ye-ASTM kwaye zilandeleka ngokweemfuno zobunjineli bamazwe ngamazwe, zisebenza njenge "imithambo yegazi" ethembekileyo yokuhambisa ulwelo kwi-SOCAR nakwiiprojekthi zobunjineli beoyile negesi zengingqi.
❷Ukwahlulwa kwezinto kunye nokusebenza okungundoqo Iingenelo ze-ASTM A335 P9
❸Imimiselo ebalulekileyo yesicelo seCandelo le-oyile negesi laseAzerbaijan
❹Ixabiso loBunjineli le-660×20 mm Ubungakanani beenkcukacha
❺Ulawulo loMgangatho kunye noQinisekiso lokuThotyelwa kweMithetho yoThumelo ngaphandle
I-ASTM A335 / ASME SA335yinkcazo eqhelekileyo yeepayipi zentsimbi ye-ferritic alloy ezingenamthungo ezenzelwe inkonzo yoxinzelelo oluphezulu oluphezulu. Njengomgangatho ophambili kuthotho lwe-9Cr-1Mo, i-P9 ifumana uphuculo oluphindwe kathathu lokusebenza ekumelaneni nobushushu, ukuxhathisa ukugqwala kunye nokuxhathisa ukuqhekeka ngokulinganisela ngokuchanekileyo kwe-chromium kunye ne-molybdenum.
Ulwakhiwo lweeKhemikhali eziPhambili kunye nemisebenzi
| I-Alloying Element | Uluhlu Lomxholo | Umsebenzi woKusebenza |
|---|---|---|
| I-Chromium (Cr) | 8.0% – 10.0% | Yenza umaleko oqinileyo, oziphilisayo we-chromium oxide kumphezulu wombhobho, ophucula kakhulu ukumelana ne-oxidation kumaqondo obushushu aphezulu kunye nokumelana nokugqwala kwe-sulfide, ofanelekileyoi-oyile emuncu kunye negesi |
| I-Molybdenum (Mo) | 0.90% – 1.10% | Iphucula amandla obushushu obuphezulu kunye nokumelana nokurhubuluza ngokusebenzisa ukuqinisa isisombululo esiqinileyo, ithintela ukuguquguquka kwemibhobho kunye nokungaphumeleli phantsi kobushushu obuphezulu kunye noxinzelelo lwexesha elide. |
Iipropati eziphambili zoomatshini
- Amandla amancinci okuxinana:I-415 MPa
- Amandla amancinci okuvelisa:205 MPa
- Ubushushu obuphezulu obuqhubekayo benkonzo:≤ 650°C
- Ukuthobela izinto eziphathekayo: IhlangabezanaI-NACE MR0175iimfuno zokumelana noxinzelelo lwe-sulfide, ezifanelekileyo kwiindawo ezine-asidi ye-oyile emuncu kunye negesi
Xa kuthelekiswa nentsimbi yekhabhoni eqhelekileyo, umbhobho we-P9 alloy unika ubomi obude bokuqhekeka kwe-creep kuluhlu lwe-500–600°C, nto leyo eyenza ukuba ibe yeyona nto ikhethwayo kwiiyunithi zokucoca ubushushu obuphezulu kunye nemibhobho yomphunga enoxinzelelo oluphezulu.
Imimiselo ebalulekileyo yesicelo seCandelo le-oyile negesi laseAzerbaijan
Ngokuhambelana neempawu zegesi emuncu enxulumene nayo kunye namaqondo obushushu aphezulu enkqubo yokucocwa kwiindawo zeoyile zaseAzerbaijan, imibhobho ye-A335 P9 660×20 igubungela ngokupheleleyo iimeko zokusebenza eziphambili kulo lonke uthotho lwexabiso oluphezulu, oluphakathi nolusezantsi.
1. Ukuqokelelwa kunye nokuCwangciswa kweOyile neGesi ePhezulu
Kwimibhobho yokuqokelela ioyile emuncu negesi eshushu kakhulu kwiindawo zeoyile zaseCaspian ezikunxwemeni nangaselunxwemeni,Umbhobho we-alloy we-A335 P9iyamelana nokugqwala okuphakathi okune-asidi kunye nomthwalo woxinzelelo lwexesha elide. Ububanzi obukhulu obuyi-660 mm buhambelana neemfuno zothumelo olukhulu lwemigca ye-trunk, nto leyo eyenza ukuba ibe lolona khetho lufanelekileyo kwiipayipi zenkqubo yobushushu obuphezulu kwiindawo zokuqokelela kunye nezikhululo zokunyusa.
2. IiYunithi zokuCoca kunye nokuCwangcisa iiPetrochemical
Kwiiyunithi eziphambili zeendawo zokucoca zeSOCAR ezifana ne-catalytic cracking, i-hydrodesulfurization kunye ne-reforming heaters, iipayipi ze-P9 alloy zisetyenziswa kakhulu kwi:
- Iityhubhu zefurnace kunye nemigca yokudlulisa amaqondo obushushu aphezulu
- Imibhobho yokungena kunye neyokuphuma yee-reactors ze-hydrogenation
- Imibhobho ephakathi enobushushu obuphezulu kwiiyunithi zokususa i-sulfurization
Ukumelana kwayo nokuhlaselwa yihydrogen okugqwesileyo kunye nokumelana nokugqwala kwe-sulfide kunokunciphisa kakhulu ukuvalwa kwezityalo kunye nokugcinwa kwazo rhoqo.
3. Iinkqubo Zokuvelisa Umbane kunye NeeNkqubo Zoncedo
Kwiindawo zokugcina umbane ezigcinwe phantsi kunye neenkqubo zebhoyila yobushushu obumdaka ezixhasa iindawo zokuhluza, imibhobho yentsimbi ye-P9 ifakwa kwiindawo ze-superheater kunye ne-reheater kunye nemigca ephambili yomphunga, igcina uzinzo lwesakhiwo ixesha elide phantsi kweemeko zomphunga zeklasi ye-600°C kwaye iqinisekisa ukusebenza okuqhubekayo kweenkqubo zombane.
Ixabiso loBunjineli le-660×20 mm Ubungakanani beenkcukacha
Ukukhethwa kwe660 mm OD × 20 mm Ubunzimaiinkcukacha zisekelwe kwiingcamango zobunjineli ezipheleleyo zeemeko zokusebenza ezihamba kakhulu, ukhuseleko loxinzelelo kunye nesibonelelo sokugqwala.
Ububanzi obukhulu bokuThunyelwa koMbane oPhezulu
Uyilo lwangaphakathi oluyi-660 mm ububanzi luhlangabezana neemfuno ezinkulu zokuhambisa ulwelo olushushu kakhulu lwemigca ephambili yokucoca kunye neentloko zokuqokelela i-oyile, lunciphisa ukulahleka koxinzelelo lwemibhobho, luphucula ukusebenza kakuhle kokuhambisa inkqubo, kwaye luhambelana nobungakanani bomthamo weeprojekthi ezinkulu zokudibanisa ukucocwa.
Uyilo Olunzima Lodonga Lokunika Amandla Oxinzelelo kunye Nokuphindaphindwa Kobomi Benkonzo
Uyilo lobukhulu bodonga obuyi-20 mm lubonelela ngeengqimba ezintathu zexabiso lobunjineli:
- Isiqinisekiso sokuthwala uxinzelelo: Ihlangabezana neemfuno zoxinzelelo lokusebenza ezingaphezulu kwe-9.8 MPa kumaqondo obushushu aphezulu kunye nokhuseleko olwaneleyo.
- Isibonelelo sokugqwala: Igcina umda owaneleyo wokugqwala kwi-sour media kunye ne-oxidation yobushushu obuphezulu, nto leyo eyandisa ubomi benkonzo yoyilo.
- Ukuphindaphindeka okungaqhelekanga: Isakhiwo esinodonga olunzima simelana ngcono nokuqhekeka kobushushu obuphezulu ixesha elide, sinciphisa ukuguquguquka kunye neengozi zokungaphumeleli.
Ulawulo loMgangatho kunye noQinisekiso lokuThotyelwa kweMithetho yoThumelo ngaphandle
Ukuze kuhlangatyezwane neemfuno zokufikelela kwiiprojekthi zobunjineli bamazwe ngamazwe eAzerbaijan, lonke iqela leepayipi ze-A335 P9 ezinikezelwa yi-SANONPIPE lilawulwa ngokungqongqo komgangatho kunye nolawulo lwamaxwebhu.
Uhlolo loMgangatho oluGcweleyo
- Unyango lobushushu beMill: Yenziwe ngenkqubo yokulungisa nokulungisa ukuze kufunyanwe isakhiwo esithambileyo esifanayo kunye nokuqinisekisa iipropati zoomatshini ezizinzileyo zobushushu obuphezulu.
- Uvavanyo olungatshabalalisiyo: Uvavanyo lwe-ultrasonic oluyi-100% (UT) ngombhobho ngamnye ukuze kufunyanwe imifantu yangaphakathi, ii-laminations kunye nezinye iziphene.
- Uvavanyo lwe-hydrostatic: Uvavanyo lwe-hydrostatic olunoxinzelelo oluphezulu lwenziwe ngokwemigangatho ukuqinisekisa ukutywinwa ngokubanzi kunye nomthamo wokuthwala uxinzelelo.
- Ukuhlolwa kwakhona kobukhulu: Ulawulo oluqinileyo lobubanzi bangaphandle, ubukhulu bodonga kunye nobukhulu bobuso besiphelo ukuze kuhambelane neemfuno zokuchaneka kokufakwa kwindawo.
Gcwalisa uxwebhu lokuthobela imithetho yokuthunyelwa kwamanye amazwe
Ukuthunyelwa ngakunye kuhamba namaxwebhu asemgangathweni ukuze kuhlangatyezwane neemfuno zobunjineli bamazwe ngamazwe kunye nokususwa kwempahla:
- YoqoboIzatifikethi zovavanyo lwe-EN 10204 3.2 Mill (MTC)egubungela idatha epheleleyo yokwakheka kweekhemikhali, iimpawu zoomatshini, iirekhodi zonyango lobushushu kunye neengxelo zokuhlolwa.
- Isatifikethi sokuthobela imithetho seqela lesithathu siyafumaneka xa siceliwe ukuze sihambelane neenkcukacha zokwamkelwa kweprojekthi zasekuhlaleni eAzerbaijan.
- Iseti epheleleyo yamaxwebhu okuthumela ngaphandle, axhasa ukuhanjiswa kwe-DAP kwizibuko okanye kwindawo yeprojekthi.
Izikhokelo Zokwakha Nokuwelda Kwindawo
I-A335 P9 yintsimbi ye-ferritic alloy ene-chromium ephezulu enesimo esinamandla sokuqina komoya. Ukuwelda kunye nokwakhiwa kwendawo kufuneka kulandele iimfuno zenkqubo ekhethekileyo ukuthintela ukuqhekeka okubandayo kwii-welds:
- Ukufudumeza ngaphambi kokuwelda: Fudumeza amacala omabini omngxuma ngaphambi kokuwelda, ubushushu bokufudumeza bungabi ngaphantsi kwama-200°C; kucetyiswa ukuba kufudunyezwe ubushushu obuphezulu kwiipayipi eziludongeni olunzima.
- Unyango lobushushu emva kokuwelda (PWHT): Yenza ubushushu emva kokuwelda ngokukhawuleza emva kokuwelda ukuze kupheliswe uxinzelelo olushiyekileyo lokuwelda kwaye kubuyiselwe ukuqina kwendawo echaphazeleke bubushushu yokuwelda, ukuqinisekisa ukuba ukusebenza kwamalungu kuhambelana nesiseko sesinyithi.
- Izinto ezisetyenziswayo ezifanayoSebenzisa izinto ezisetyenziswayo zokuwelda ezihambelana nomgangatho ofanayo ukuqinisekisa ukuba ukwakheka kwe-weld alloy kunye nokumelana nokugqwala kuhambelana nesiseko sesinyithi.
Isiphelo
Umbhobho ongenamthungo we-ASTM A335 P9 660×20 we-alloy enodonga olunzimaIdibanisa iingenelo ezintathu eziphambili zokuqina kobushushu obuphezulu, ukumelana nokugqwala kwe-sulfide kunye nokumelana nokuqhekeka, ihambelana ngokuchanekileyo neemeko zokusebenza ezigqithisileyo zokusetyenziswa kweoyile negesi kunye nokucocwa eAzerbaijan, kwaye sisisombululo esithembekileyo semibhobho yenkqubo yoxinzelelo oluphezulu yobushushu obuphezulu.
Njengomsebenzi oqeqeshiweyoumqokeleli wesitokhwe sepayipi ye-alloy engenamthungoIgxile kwiimarike zeoyile negesi zaseCaspian naseCentral Asia, iSANONPIPE ibonelela ngobonelelo olusele lulungisiwe nolwenziwe ngokwezifiso lweepayipi zentsimbi ze-alloy ze-A335 ezipheleleyo. Sixhomekeke kwinkqubo yokulawula umgangatho engqongqo, amaxwebhu apheleleyo okuthobela imithetho kunye nothutho olusebenzayo oluwela imida, sinikezela ngeenkonzo zokuthengwa kweepayipi ezine-stop-stop kwi-SOCAR kunye neekhontraktha ze-EPC zengingqi, sixhasa ukuhanjiswa kweeprojekthi ngokukhuselekileyo, okuzinzileyo nokusebenzayo.
Ukuze ufumane iinkcukacha ezineenkcukacha, iikowuteshini zesitokhwe kunye nezisombululo zokuhanjiswa kwale mveliso, wamkelekile ukuqhagamshelana neqela lethu lokuthengisa.
Ixesha leposi: Sep-09-2026
