Nyob rau hauv symphony ntawm steel ntau lawm, hluav taws xob arc rauv (EAFs) thiabTshob Refining Rauv(LFS) Ua si sib txawv sib txawv tab sis qhov kev sib npaug ntawm eaf ua haujlwm raws li lub cev nqaij daim tawv "Melting Soloist," LF ua haujlwm raws li qhov tseeb "tus neeg ua yeeb yam"}}
Daim Ntawv Qhia Cov Lus Qhia no yuav them rau:
Cov haujlwm thawj ntawm EAF vs lf
Cov kev qhia txuj ci ntxiv piv rau sab-ib sab
Tus nqi thiab kev ua haujlwm zoo
Thaum siv ib qho, ob qho tib si, lossis tsis yog
Qhov sib txawv ntawm qhov sib txawv ntawm ib nrais muag
| Chaw ua uas tsis tau haus | Fais arc rauv (EAF) | Looj rauv taws (lf) |
|---|---|---|
| Thawj lub hom phiaj | Melt seem / dri rau hauv cov kua hlau | Refine pre-melted steel chemistry |
| Qho so | 1, {600-1, 800 Qib (melting) | 1, {550-1}, 650℃(txij nkawm) |
| Txheej Txheem Sijhawm | {{0 {}} feeb rau ib qho cua sov | 20-40} feeb ib zaug |
| Zog Khoom | Graphite hluav taws xob (AC / DC) | Cov Hluav Taws Xob + Argon Stirring |
| Cov Peev Xwm | 50-200} tons | Ntais ntawv EAF Ladle loj |
| Qhov Tso Tawm Rau Qhov Tseem Ceeb | Kua hlau (uncesined) | Chemistry-Kho Hlau |
Melting Master: Yuav ua li cas EAFS ua haujlwm
Lub zog ua haujlwm
SEEM / DRI MELTING: Hloov Cov Khoom Siv Khoom Siv Rau Cov Roj
Kev ua kom ua kom zoo rau: Tshem tawm qee qhov phosphorus / silicon
Thaum pib aloying: kev kho kom haum carbon
Cov Tseem Ceeb
Kev Siv Hauv: 1.5-2.5 kg / tuj steel
Lub zog tawm tswv yim: {350-500 kwh / tuj
Niaj hnub nimno:
Consteel Nruam Pub Pub Dawb
Post-commusion tshuab
Peb EAF's Foamy Slag Technology
Kev txwv
Txwv tsis pub Desulfurization (Max ~ 0.025% S Kev Tshem Tawm)
Kev tswj xyuas cov kws tswj cov ntaub ntawv ± 0.05%
Qhov kub hloov nce mus txog ± 30 degree
Tus precision Refiner: Yuav ua li cas LFS ua haujlwm
Lub zog ua haujlwm
Desulfurization: tiav<0.005% S
Alloy Trimming: ± 0.01% precision
Cov Homogen Kub Kub Kawm: ± 5 Degree tswj
Cov hloov pauv hloov tshiab: Calcium kev kho mob
Cov Tseem Ceeb
Argon Flow: {{50-100}}}}}} ecly plugs
REHATEING NQE: 3-5℃/ min
Economican tus nqi
Txo cov nqi allooy los ntawm 12-18%
Txiav cov seem / rov ua haujlwm txog li 30%
Txawj hwm cov qauv steel menyuam kawm (+ $50-200} / tuj)
Lub taub hau-rau-lub taub hau sib piv
Ib . metallurgical lub peev xwm
| Chaw ua uas tsis tau haus | EAF nyob ib leeg | EAF + LF |
|---|---|---|
| Sulphur cov ntsiab lus | 0.020-0.030% | 0.002-0.008% |
| [O] yaj | 60-100 ppm | 15-30 ppm |
| Temp Uniformity | 25 Qib | 5 Qib |
| Alloy Rov Qab | 80-85% | 93-97% |
B .}} Cov Haujlwm Nruab Nrab
| Yam tseem ceeb | Eaf | Lf |
|---|---|---|
| Ntawv Reftort | $ {8-12 / tuj | $ {3-5 / tuj |
| Zog Siv | 400+ kwh / tuj | 30-50 kwh / tuj |
| Cov neeg ua hauj lwm | 3-5}} tus ua haujlwm | 1-2} thev naus laus zis |
Thaum twg koj xav tau ob qho tib si? Kev Txiav Txim Siab
EAF-tsuas yog scenarios
As Mini-Mills tsim Rebar / Cov Tub Yees Khoom Bar
✔ Ua Haujlwm nrog cov Capex Call Calltions
✔ Cov Nroj tsuag uas siv rau kev sib scrap zoo
EAF + LF xav tau thaum
✔ Ua cov kab mob qis ntawm leej faj (api kav dej, bearings)
✔ Ua Alloy / Qib Tshwj Xeeb
✔ khiav txuas mus ntxiv (TEMP tswj hwm qhov tseem ceeb)
Kev tawm thev naus laus zis Bridging qhov sib txawv
EAF-LF hybrid Systems
ZOV-FUNCTIONAL LUJ: Ua ke cov pa oxygen tshuab + alloy kev txhaj tshuaj
Kev Tshawb Fawb Nruam: LouSS Sensors pub cov ntaub ntawv tiag tiag rau ob qho tib si units
Lub neej yav tom ntej
Qhov EAF EAF-rau-lub ntsiab lus ci (bypassing LF rau qee qib)
Hydrogen-based LFS rau Ultra-Tsawg Cov Khoom Siv
Complementary, tsis muaj kev sib tw
Nkag siab EAF-LF kev sib raug zoo yog qhov tseem ceeb rau:
Zoo: LFS Pab tau hwm hwm cov hlau specifications
Efficiency: kev ua haujlwm kom tsim nyog ua haujlwm kom ua tau lub sijhawm
Cov txiaj ntsig tau: Txoj cai configuration maximizes tau txais txiaj ntsig
Xi'an Huachand muab kev sib xyaw EAF-LF kev daws teeb meem:
✔ Kev sib haum fais fab
✔ Cov txheej txheem sib xyaw ua ke
Refractory refractory
Ntawv Sawv cev
Stelco technical bullelin (2023): EAF VS LF cov ntaub ntawv ua haujlwm
Tiv Tauj Peb
Xi'an Huachan Metallurgical Technology Co ., ltd .
Chaw nyob: 9 pem teb, tsev C / Vanmetropolis, tsis muaj .1 Tangyan Rd. gaoxin koog tsev kawm ntawv, Xianxi xeev, Suav
Tel: +86 029 8886 4421
Mob & Wechat & Whatsapp: +86 18729567376
Fev: +86 029 8886 2650
E-mail:sales3@xahcdl.com/ candiceyang@xahcdl.com
Lub Vev Xaib:www . hc-rauv . com