Imfuno yehlabathi yentsimbi yokwakha iinqanawa enamandla aphezulu iyaqhubeka nokunyuka, kwaye phakathi kwezinto ezisetyenziswa kakhulu kubunjineli bezolwandle kukhoIipleyiti zentsimbi ze-AH36, DH36, kunye ne-EH36Ezi nqanaba zidlala indima ebalulekileyo kwizakhiwo zaselwandle, ukwenziwa kweenqanawa, kunye nezinto ezibalulekileyo zaselwandle apho amandla, ukuqina, kunye nokuqina kubalulekile. Njengabathengisi abaphambili abanjengo-sakysteel bagxila kwimveliso eqhutywa ngumgangatho, ukuqonda inkqubo yokuvelisa emva kwezi ntsimbi kunika ulwazi olujulileyo malunga nokuthembeka kwazo kunye nokusebenza kwazo.
Intshayelelo kwi-AH36, DH36, kunye ne-EH36 Steel Grades
I-AH36, i-DH36, kunye ne-EH36 zezosapho lwentsimbi yesakhiwo esomeleleyo esichazwa ziinkampani zokwahlulahlula ezifana ne-ABS, i-DNV, i-Lloyds, i-BV, kunye ne-CCS. Nangona zabelana ngokwakhiwa kweekhemikhali ezifanayo kunye neempawu zesiseko soomatshini, iimfuno zazo zokuqina kwempembelelo zahlukile kakhulu.
I-AH36 ibonakalisa ukuqina okuhle kwi-0°C, i-DH36 ifikelela kumanqanaba aphezulu amandla ombane kwi--20°C, ngelixa i-EH36 yenzelwe iimeko ezinzima ngakumbi kwi--40°C. Olu tshintsho lwenza ezi zinto zifaneleke kwiindlela ezahlukeneyo zokusetyenziswa kolwandle, kubandakanya iidekhi eziphakathi, izakhiwo zehashe, iikhreyini zaselwandle, ii-jack-up rigs, kunye nezixhobo zangaphantsi kolwandle.
Uhlobo ngalunye lwenziwa ngokulandela iinkqubo ezingqongqo ezibandakanya ukwenza intsimbi, ukuqengqeleka, unyango lobushushu, kunye nokuhlolwa kokugqibela ukuze kuhlangatyezwane nemigangatho yamazwe ngamazwe.
Ukwenza intsimbi kunye neSigaba sokuCoca
Inkqubo yokuvelisa iqala ngokwenza intsimbi kusetyenziswa izinto ezikumgangatho ophezulu ezikumgangatho ophezulu ezinezinga elilawulwayo lekhabhoni, i-manganese, i-sulfur, kunye ne-phosphorus. Izakhiwo zanamhlanje zisebenzisa itekhnoloji ye-BOF okanye ye-EAF elandelwa kukucocwa okwesibini ukulungisa ukwakheka kweekhemikhali kunye nokususa ukungcola.
Iinkqubo eziphambili zokucoca ziquka:
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Ukususwa kwe-oksijini ye-Argon ukulawula ikhabhoni
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Ukulungiswa kwesithando seladi kwizinto zokudibanisa
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Ukukhupha igesi nge-vacuum ukunciphisa i-hydrogen kunye ne-nitrogen
La manyathelo okucoca abalulekile ukuqinisekisa ukuba intsimbi inamandla aphezulu kwaye iqine kakhulu, nto leyo ebalulekileyo kwiindlela zokusetyenziswa elwandle.
Ukulungiselela ukuphosa okuqhubekayo kunye neSlab
Emva kokucocwa, intsimbi enyibilikisiweyo igalelwa kumatshini wokubumba oqhubekayo. Iyaqina ibe zii-slabs ezinobukhulu obulawulwayo, ngokuqhelekileyo phakathi kwe-150 mm kunye ne-250 mm. Ii-slabs ziyalungiswa ukuze kususwe isikali kwaye kususwe iziphene zomphezulu ezinokuchaphazela ukusebenza kokuqengqeleka.
Kulandela ukuphinda kufudumale i-slab, okuvumela intsimbi ukuba ifikelele kubushushu obufanelekileyo bokuqengqeleka okushushu. Eli nqanaba liqinisekisa ulwakhiwo olufanayo lweenkozo kwaye lilungiselela izinto ukuze ziguquguquke kwi-rolling mill.
Inkqubo yokuqengqeleka eshushu ye-AH36, DH36, kunye ne-EH36
Ukuqengqeleka okushushu yenye yezona nyathelo zibalulekileyo ekuveliseni iipleyiti zentsimbi zokwakha iinqanawa. I-slab idlula kwiindawo ezininzi zokurhawula nokugqiba ukuze kufezekiswe ubukhulu nobubanzi obufunekayo.
Iingenelo eziphambili zokulawula i-hot rolling ziquka:
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Ukugqitywa komphezulu okuphuculweyo
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Amandla oomatshini aphuculweyo
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Ubukhulu bepleyiti efanayo
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Ukulungiswa okungcono kweenkozo
Ulawulo lobushushu ngexesha lokuqengqa lubalulekile. Ukuba ukuqengqa kushushu kakhulu, ukukhula kweenkozo kunokunciphisa ukuqina; kubanda kakhulu, kwaye izinto zinokuqhekeka. Iishedyuli zokuqengqa ze-AH36, DH36, kunye ne-EH36 zilungiselelwe ngononophelo ukulinganisela amandla kunye nokuguquguquka.
Itekhnoloji yokupholisa elawulwayo
Emva kokuqengqeleka okushushu, ukupholisa okulawulwayo kudlala indima ebalulekileyo ekumiseleni iimpawu zokugqibela. Iindlela ezinje ngokuphola okukhawulezileyo kunye nokupholisa ukuhamba kwe-laminar zisetyenziselwa ukulawula isantya sokupholisa.
Ukupholisa okulawulwayo kuyaphucula:
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Isakhiwo esincinci esincinci
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Amandla aphezulu okuvelisa
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Ukuqina kwempembelelo efanayo
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Ukumelana nokukrazula kwelamellar okuphuculweyo
Intsimbi yokwakha iinqanawa kufuneka igcine iipropati ezizinzileyo kulo lonke ipleyiti, nto leyo eyenza ulawulo lokupholisa lube yinto ebalulekileyo kumgangatho wemveliso.
Iindlela Zonyango Lobushushu: Ukulungelelanisa, i-TMCP, kunye nokucima ubushushu
Ngokuxhomekeke kwiimfuno zabathengi kunye nemigangatho yoluntu yokwahlulahlula, iipleyiti ze-AH36, DH36, kunye ne-EH36 zinokudlula kwiinkqubo ezahlukeneyo zonyango lobushushu.
Ukulungisa izinto zibe zesiqhelo
Ukulungisa izinto kuquka ukufudumeza intsimbi ngaphezu kobushushu bayo obubalulekileyo kunye nokuphola komoya ukuze kuphuculwe ulwakhiwo lweenkozo. Oku kuphucula ukuqina kwayo kwaye kwenze ukuba iipropati zoomatshini zibe zifana.
I-TMCP (Inkqubo eLawulwayo yeThermo Mechanical)
I-TMCP idibanisa ukuqengqeleka okulawulwayo kunye nokupholisa okukhawulezileyo ukuze kufumaneke amandla aphezulu ngaphandle kokongeza umxholo we-alloy ogqithisileyo. Ikwaphucula ukudityaniswa, okwenza iipleyiti ze-TMCP zisetyenziswe kakhulu ekwakheni iinqanawa zanamhlanje.
Ukucima kunye nokunciphisa i-QT
Kwizicelo ezifuna amandla aphezulu kunye nokuqina, iipleyiti ze-QT ziveliswa yi:
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Ukufudumeza ukuya kubushushu obuqinisayo
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Ukucima amanzi ngokukhawuleza
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Ukufudumala kumaqondo obushushu alawulwayo
Iipleyiti ze-EH36 ezineemfuno zokusebenza ezifuna amandla zihlala zisebenzisa le nkqubo ukuqinisekisa ukumelana okuphezulu kwempembelelo kwiindawo ezinobushushu obuphantsi.
Ukuchaneka koBume kunye noLawulo loMgangatho woMphezulu
Ngexesha lonyango lokuqengqeleka nobushushu, amanyathelo aliqela okulawula umgangatho aqinisekisa ukuhambelana nokuthobela imithetho, kuquka:
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Ukulinganisa ubukhulu ngokuzenzekelayo
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Uvavanyo olungonakalisiyo lwe-UT
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Ukulinganiswa kobunzima
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Ukufunyanwa kweziphene zomphezulu
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Uvavanyo loomatshini ngokwemigangatho
Abavelisi abafana ne-sakysteel bagcina iinkqubo zokuqinisekisa umgangatho ezingqongqo ukuze bahlangabezane nolindelo lweendawo zokuloba iinqanawa zehlabathi kunye neenkampani zobunjineli baselwandle.
Iimpawu zoomatshini ezifunyenweyo emva konyango
Iipleyiti zentsimbi ze-AH36, DH36, kunye ne-EH36 kufuneka zihlangabezane neemfuno zoluntu lodidi. Iimpawu eziqhelekileyo zoomatshini ziquka:
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Amandla okuvelisa ubuncinci yi-355 MPa
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Amandla okutsalwa aphakathi kwama-490 ukuya kuma-620 MPa
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Ukwandiswa okuhle kokugoba nokwenza
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Ukuqina okuphezulu kwempembelelo kumaqondo obushushu afunekayo
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Ukudityaniswa kakuhle okunexabiso eliphantsi lekhabhoni
Ezi mpawu zokusebenza zifezekiswa ngokusebenzisa iindlela ezilungiselelweyo zokuqengqeleka kunye neendlela zokunyanga ubushushu.
Izicelo zobunjineli boLwandle kunye nolwe-Offshore
Ngenxa yokuthembeka kwawo namandla awo, la mapleyiti entsimbi asetyenziswa kwiindidi ezahlukeneyo zezakhiwo ezibalulekileyo:
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Iipleyiti zeHull zeenqanawa ezinkulu zorhwebo
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Iidekhi zeplatifomu zasolwandle kunye nezakhiwo zenkxaso
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Iimodyuli ze-FPSO ezisecaleni eliphezulu
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Izixhobo zangaphantsi kolwandle
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Imilenze ye-jack kunye ne-crane booms
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Iinqanawa zokuqhekeza umkhenkce kunye neenqanawa ezinemozulu ebandayo
Ukudibana kwazo nokuqina, ukunamathela, kunye nokumelana nokugqwala kuzenza zibe yimfuneko kwiimeko zolwandle ezifuna amandla.
Isiphelo
Inkqubo yokwenziwa kweepleyiti zentsimbi ze-AH36, DH36, kunye ne-EH36 ibandakanya iishedyuli ezichanekileyo zokuqengqeleka, iindlela zonyango lobushushu eziphambili, kunye nolawulo oluqinileyo lomgangatho. Inqanaba ngalinye linegalelo kumandla entsimbi, ukuqina kwayo, kunye nokuthembeka kwayo phantsi kweemeko ezinzima zaselwandle. Ngokwenziwa kwentsimbi ephucukileyo kunye nokulungiswa okulawulwayo, ezi ntsimbi zokwakha iinqanawa ziyaqhubeka nokuxhasa iiprojekthi zaselwandle zehlabathi kunye nolwandle.
Abavelisi abakumgangatho ophezulu abafana ne-sakysteel baqinisekisa ukuba ipleyiti nganye iyahlangabezana nemigangatho yamazwe ngamazwe, nto leyo enika ukusebenza okuzinzileyo kwiindawo zokulungisa iinqanawa kwihlabathi liphela.
Ixesha lokuthumela: Novemba-13-2025