Nrog rau kev ua kom zoo ntawm lub ntiaj teb steel ntau lawm muaj peev xwm thiab qhov kev thov nce siab rau siab -kawg metallurgical cov khoom, cov khoom siv roj, raws li "lub neej" ntawm metallurgical ntau lawm, muaj lawv cov khoom ruaj khov thiab purity ncaj qha txiav txim siab ntau lawm efficiency thiab cov khoom zoo. Cov chav sib cais cua (ASUs), raws li cov cuab yeej tsim khoom tseem ceeb rau cov khoom siv hluav taws xob, tau dhau los ua cov chaw txhawb nqa tsis tseem ceeb rau cov tuam txhab metallurgical. Tawm tsam qhov teeb meem no,NEWTEK, tshwj xeeb hauv kev tsim hluav taws xob, tau muab kev lag luam metallurgical nrog txoj hauv kev zoo thiab txhim khu kev qha tshiab rau ASU daim ntawv thov los ntawm nws cov kev sib xyaw EPC thiab cov kev daws teeb meem, los ntawm kev tsim mus rau kev ua haujlwm, nyiam cov neeg siv khoom thoob plaws hauv kev lag luam.
Kev lag luam metallurgical yog cov sector uas muaj zog tshaj plaws thoob ntiaj teb kev thov rau kev lag luam gases. Oxygen, nitrogen, thiab argon ua lub luag haujlwm hloov tsis tau hauv tag nrho cov txheej txheem ntawm kev tsim hlau,steelmaking, refining, thiab dov. "Metallurgical ntau lawm yog heev tas mus li, thiab nws dependence rau gases deb tshaj li ntawm lwm yam lag luam. Thaum cov khoom raug cuam tshuam los yog lub purity yog substandard, nws yuav ua rau muaj kev puas tsuaj loj xws li scrapped steel thiab khoom puas tsuaj," kev lag luam kws txawj taw qhia. Niaj hnub nimno metallurgical tuam txhab feem ntau muab lawv tus kheej nrog loj - teev cryogenic cua sib cais units precisely vim hais tias ntawm nruj thov rau ib tug ruaj khov gas mov.
Hauv cov ntawv thov tshwj xeeb, tus nqi ntawm ASU (Aerosol Booster) permeates tag nrho cov txheej txheem metallurgical. Nyob rau hauv blast furnace ironmaking, industrial oxygen muab los ntawm ASU yog siv rau cov pa oxygen -enriched moj tej tawg, ua kom kub combustion los ntawm 300 -500℃. Qhov no tsis yog tsuas yog ua kom lub tshuab hluav taws xob nce ntxiv los ntawm 15%-20% tab sis kuj txo cov coke piv los ntawm 8% -12%, txo qis kev siv zog. Ib txhij, nitrogen plays lub luag haujlwm tseem ceeb hauv pulverized thee conveying thiab system purging, kom ntseeg tau tias cov cuab yeej muaj kev nyab xeeb. Hloov steelmaking yog ib theem tseem ceeb ntawm kev siv roj. NEWTEK's ASU system muaj peev xwm ruaj khov muab cov pa purity siab nrog lub purity ntau dua lossis sib npaug li 99.5%, ua tau raws li qhov yuav tsum tau ua kom sai sai decarburization. Ua ke nrog argon-raws li qhov kawg refining txheej txheem, qhov no txhim kho cov uniformity ntawm steel muaj pes tsawg leeg los ntawm ntau tshaj 25%.
Rau cov xwm txheej tshwj xeeb xws li hluav taws xob arc rauv steelmaking thiab nruam nruam, lub peev xwm muab khoom siv ntawm ASU yog qhov tseem ceeb sib npaug. Hauv cov hluav taws xob hluav taws xob hluav taws xob, cov pa hluav taws xob tau raug txhaj los ntawm cov pa oxygen thiab cov hluav taws kub, txo lub zog siv 10% -15% thiab nce melting ceev los ntawm 20%. Thaum lub sij hawm nruam nruam, cov ntaub thaiv roj tiv thaiv tsim los ntawm nitrogen thiab argon zoo tiv thaiv oxidation theem nrab ntawm cov hlau molten, txo qhov tsis xws luag ntawm cov pob zeb los ntawm 30%. Nyob rau hauv LF / VD / VOD refining theem, cov synergistic nyhuv ntawm oxygen oxidation thiab argon homogenization ntawm molten hlau yog qhov tseem ceeb rau kev tsim high-end automotive steel, cua zog steel, thiab lwm yam khoom.
Vim li cas cov tuam txhab metallurgical nyiam nyob rau hauv -chaw cua cais chav nyob? Cov ntaub ntawv qhia tau hais tias thaum oxygen noj ntau tshaj 3000 Nm³ / h, chav tsev roj nqi ntawm -site ASU yog 40%-50% qis dua cov qauv hauv lub raj mis lossis cov khoom siv sab nraud. Rau cov tuam txhab hlau uas muaj peev xwm txhua xyoo ntau dua 1 lab tons, qhov no tuaj yeem txuag tau kaum lab lab yuan txhua xyoo. Qhov tseem ceeb tshaj, ntawm -site ASU tuaj yeem ua tiav 24-teev cov roj txuas txuas ntxiv nrog kev hloov pauv siab tswj nyob rau hauv ± 0.02MPa, zoo kawg nkaus ua raws cov kev xav tau nruj ntawm cov khoom siv hlau. Tsis tas li ntawd, los ntawm kev tsim kho thev naus laus zis, NEWTEK tau koom ua ke ASU (Air Separation Unit) nrog steel cog khib nyiab cua sov thiab chav ua haujlwm, txhim kho tag nrho cov kev siv hluav taws xob los ntawm 18% thiab pab cov lag luam ua tiav cov pa roj carbon tsawg.
Tam sim no, cov txheej txheem tseem ceeb ntawm kev sib cais huab cua siv hauv kev lag luam metallurgical tuaj yeem ua tiav cov pa oxygen ntawm 1,000-60,000 Nm³ / h, thaum tib lub sijhawm ua rau siab-purity nitrogen thiab argon kom tau raws li qhov xav tau ntawm ntau yam xwm txheej. Rau qhov me me - cov xwm txheej siv roj xws li dov zeb cua sov rauv thiab boilers, NEWTEK's PSA (Pulse-Steam) cov kev daws teeb meem oxygen/nitrogen ntau dua. Txawm li cas los xij, qhov nyuaj ntawm ASU cov haujlwm tseem nthuav qhia ntau yam kev sib tw rau cov lag luam-los ntawm kev tsim kho vaj tse thiab kev xaiv cov khoom siv rau cov kav dej tso thiab kev tswj hwm automation, ntau qhov kev cuam tshuam kev tshaj lij tau koom nrog, ua rau kev sib koom tes nyuaj heev.
"Qhov kev thov tseem ceeb ntawm cov tuam txhab metallurgical yog 'kev txhawj xeeb-dawb, ua haujlwm tau zoo, thiab qis- tus nqi,' tsis tau bogged hauv cov ntsiab lus engineering complex," said NEWTEK tus neeg sawv cev. Lub tuam txhab EPC thiab cov kev daws teeb meem turnkey yog tsim tshwj xeeb los daws qhov mob ntawm qhov teeb meem no. Kev siv nws cov kev paub dhau los hauv kev tsim hluav taws xob hluav taws xob thiab kev sib koom ua ke, NEWTEK tau tsim cov kev pabcuam dav dav suav nrog kev tsim qauv, kev yuav khoom, kev tsim kho vaj tse, hluav taws xob thiab ntsuas kev teeb tsa, thiab commissioning, muab kev pabcuam customized rau ntau yam lag luam xws li textiles, metallurgy, thiab tshuaj.
Nyob rau hauv metallurgical ASU tej yaam num, NEWTEK qhov zoo yog tshwm sim nyob rau hauv txhua txhua nthuav dav: Thaum lub sij hawm tsim theem, roj ntau lawm thiab purity daws yog customized raws li lub tuam txhab muaj peev xwm ntau lawm thiab cov khoom hom; Piv txwv li, lub kaw lus nrog argon rov qab tus nqi ntawm 95% yog teeb tsa rau lub tuam txhab high-kawg stainless hlau ntau lawm. Hauv kev muab khoom siv, kev koom tes nrog cov neeg muag khoom thoob ntiaj teb sab saum toj ua kom ntseeg tau tias cov khoom siv tseem ceeb xws li compressors thiab cov khoom siv distillation, thaum lub hauv paus kev yuav khoom txo cov nqi los ntawm 10% -15%. Thaum lub sij hawm tsim kho, tus qauv tsim qauv ua kom luv lub voj voog kev tsim kho los ntawm 20% -30%, zam kev cuam tshuam rau kev tsim khoom ib txwm muaj.
Qhov tshwj xeeb tseem ceeb yog NEWTEK's DCS / PLC automation system kev sib koom ua ke muaj peev xwm, uas ua rau muaj kev sib koom ua ke ntawm ASU thiab metallurgical ntau lawm tshuab. Los ntawm kev soj ntsuam tsis xws li roj ntau lawm, purity, thiab siab nyob rau hauv lub sij hawm ntawm lub sij hawm, lub kaw lus cia li kho nws cov hauj lwm raws li txoj cai, txo qhov system tsis ua hauj lwm tus nqi los ntawm 40%. Tom qab kev xa khoom, lub tuam txhab tseem muab 24-teev kev ua haujlwm thiab kev txhawb nqa thiab kev tshuaj xyuas tsis tu ncua kom ntseeg tau tias cov khoom siv ruaj khov. "Los ntawm qhov kev pib ua haujlwm rau kev ua haujlwm, peb tsuas yog xav tau txuas nrog NEWTEK los ntawm ib qho kev sib cuag, txuag peb cov teeb meem ntawm kev sib koom tes nrog ntau tus neeg muag khoom. Qhov project tau muab tso rau hauv peb lub hlis ua ntej ntawm lub sijhawm," hais tus thawj coj ntawm lub tuam txhab steel loj.
Tam sim no, kev lag luam metallurgical thoob ntiaj teb yog nyob rau theem tseem ceeb ntawm kev hloov pauv thiab hloov kho dua tshiab, nrog siab - kawg thiab qis - carbon technologies tau dhau los ua qhov kev txhim kho tseem ceeb. Qhov no ua rau muaj kev xav tau ntau dua ntawm kev siv hluav taws xob thiab kev txawj ntse ntawm ASUs (Air Separation Units). NEWTEK tau tshaj tawm cov kev daws teeb meem kev siv hluav taws xob zoo, txo lub zog siv hluav taws xob ntawm cov cua sib cais los ntawm 8% los ntawm kev txhim kho rau cov txheej txheem distillation thiab kev sib pauv cua sov. Tib lub sijhawm, nws suav nrog kev saib xyuas tej thaj chaw deb thiab kev kwv yees kev saib xyuas thev naus laus zis los muab cov lus ceeb toom ntxov ntawm cov khoom siv tsis zoo, ua kom lub sijhawm poob qis dua 10 teev hauv ib xyoos.
Cov neeg sab hauv kev lag luam ntseeg tias nrog kev loj hlob txuas ntxiv ntawm kev thov rau kev lag luam roj av los ntawm kev lag luam metallurgical, daim ntawv thov scenarios rau ASUs yuav nthuav dav ntxiv, thiab EPC tuam txhab uas muag nrog tag nrho - txheej txheem kev pabcuam yuav dhau los ua kev lag luam loj. Nrog nws cov txiaj ntsig kev sib koom ua ke los ntawm kev tsim mus rau kev ua haujlwm, NEWTEK tsis tau tsuas yog daws cov teeb meem ASU daim ntawv thov ntawm cov tuam txhab metallurgical, tab sis kuj tau muab cov qauv kev pabcuam uas tuaj yeem kawm tau los ntawm kev lag luam txoj kev loj hlob, thiab xav kom ua tiav kev loj hlob sai hauv kev hloov kho tshiab ntawm kev lag luam.
