Xi'an Huachan moollurgical Technical Technology Co {}}, ltf} Yog cov khoom siv hluav taws xob, xws li cov khoom siv hluav taws xob ua haujlwm, xws li kev siv hluav taws xob ntawm hluav taws xob (LF) Cov tshuab hluav taws xob, thiab submerged arc rauv (kev nyab xeeb).
Cov pa hluav taws xob ib txwm muaj kuab ua hluav taws xob, uas cia siab rau cov ee thiab Coffs melt hluav taws xob hlau, ua rau lawv tsis tseem ceeb rau kev ua kom muaj steelmakaking steelmaking salcaking
Txawm li cas los xij, tsis yog txhua EFS yog tib qho . Nyob ntawm cov khoom siv EAF, thiab yuav ua li cas cov khoom siv sib txawv, thiab lawv cov khoom siv sib txawv, thiab ua li cas lawv cov khoom siv sib txawv, thiab ua li cas lawv muaj rau ntau cov ntawv thov steelmaking.
Cov pa hluav taws xob AC (hloov pauv tam sim no) EAF
ACEafyog cov kev tsim qauv ib txwm siv thiab siv dav ua haujlwm, ua haujlwm ntawm peb-theem hloov tshiab uas tau muaj rau yaj kom yaj cov ntawv sib xyaw hlau hlau.
Cov Nta Tseem Ceeb
- Cov Hluav Taws Xob Hluav Taws Xob: Peb Electrodes (120℃sib nrug) tsim arcs uas faib cua tusyees.
- Lub Zog Hluav Taws Xob: Xav tau cov transformers siab (feem ntau 60-150 MVA) .
- Scrap nyem: tuaj yeem ua ntau yam ntawm cov qauv ntawm cov qauv ntawm, suav nrog shredded, hnyav melting, thiab bundled scrap .
- Refining muaj peev xwm: feem ntau tau ua khub nrog chav ua kom sov (lf) lossis nqus plua plav (vod / vod / vod) rau cov hlau zoo {}}
Qhov Zoo
✔ Cov cuab yeej siv thev naus laus zis nrog kev ua tau zoo .
✔ Cov peev txheej pib dua piv rau DC EAFs .
Tsim kom haum rau mini-mills thiab nruab nrab ntawm cov nplai ntau dua .
Kev txwv
Rescrode ntau dua vim tias ac fluedingations .
❌ Ntau cov nyhuv flicker (cov phiaj xwm fais fab kev cuam tshuam) {.
Zoo tshaj plaws rau: seem-raws li cov hlau tsim qauv uas xav tau tus nqi-ua tau zoo, yoog daws.
(Source: "Hluav taws xob arc rauv taws ua ke," r {{{} j . fruehan, 1998)
DC (ncaj qha tam sim no) EAF
DC EAF siv ib qho graphite electrode (catrode
Cov Nta Tseem Ceeb
Ib qho tsim qauv hluav taws xob: kev ua haujlwm yooj yim thiab txo cov electrode .
Qis flicker nyhuv: ntau ruaj khov lub zog lub zog piv rau aceafs .
Kev txhim kho siab dua: 5-10% tsis siv hluav taws xob ntau dua li EAFs .
Qhov Zoo
✔ Txo Cov Hluav Taws Xob Hluav Taws Xob (nce txog 50% tsawg dua AC EAFS) .
✔ Tau zoo arc ruaj khov, ua rau kom muaj ntau dua melting .
✔ Cov suab nrov qis thiab cov pa hluav taws xob vim tias ua haujlwm smoothering .
Kev txwv
❌ Cov nqi peev siab dua (yuav tsum tau rectifiers rau DC Conversion) .
❌ Txwv tsis pub kab ntawv seem (yuav tsum tau ua haujlwm zoo rau hauv tus nqi them) .
Qhov zoo tshaj plaws rau: cov khoom lag luam siab ua rau lub zog ua haujlwm thiab ntev electrode lub neej {}}
(Source: "DC Arc Furnaces - yav dhau los, thiab yav tom ntej," Kuv {} nas}., 2000)
Hybrid EAF (AC / DC lossis Cov Neeg Pab Roj)
Hybrid Ehaf EAFINE COMPINE ARC Cua sov nrog cov pob zeb roj (oxygen, nkev, lossis thee) kom txhawb tau Melting efficiency .
Cov Nta Tseem Ceeb
- Lub zog dual lub zog: Fais arcs + roj teeb roj rau hluav taws kub rau cov scrap sai .
- Preheating Systems: Qee cov qauv tsim Preheat seem uas siv cov pa roj ua kom rov qab.
- Kev Ua Haujlwm Yooj Yim: tuaj yeem kho lub zog tawm raws cov nqi hluav taws xob .
Qhov Zoo
✔ Lub sijhawm kub sai dua (txog 20% txo qis hauv cov kais-rau-kais lub sijhawm) .
Kev siv hluav taws xob tsawg dua (los ntawm kev txhawb nqa nrog pheej yig dua roj) .
✔ Kom zoo dua rau cov seem ntawm cov qib qis (cov hlawv hluav taws pab yaj cov paug tsis huv) .
Kev txwv
❌ Ntau dua txoj kev nyuaj (yuav tsum muaj kev tswj hwm hluav taws xob) .
❌ Cov khoom ntim nce ntxiv yog tias siv pob txha fuels .
Zoo tshaj plaws rau: mills nrog cov nqi sib txawv lossis ntau lawm tau yooj yim .
(Source: "Lub zog ua kom ua kom ua tau zoo hauv E EAFS," Journal ntawm cov hlau thiab cov kev tshawb fawb hlau, 2019)
Consteel® EAF (Nruam Scrap Pub Noj)
Lub Consteel® EAF Qhia Scrap Pub Nrig Hloov Hloov Hloov Chaw Them Nyiaj, Txhim Kho Hluav Taws Xob Txhim Kho thiab Txo Thermal Shocks {}}
Cov Nta Tseem Ceeb
- Kev them rov qab tas li: seem yog pub ntawm cov conveyor, tswj cov tswv yim ua kom ruaj khov sov {}}
- Preheating qhov: tawm-roj cua sov tuaj cov seem, txiav hluav taws xob siv los ntawm 15-20%.
- Txo cov khoom siv hluav taws xob: cov arc cov kev mob tsawg heev siv hluav taws xob hnav .
Qhov Zoo
✔ Cov Khoom Siv Hluav Taws Xob qis dua (xwm yeem zoo li melting vs . ncu} pakter hauv batch EAFs) .
✔ Tsawg tsawg lub suab thiab cov plua plav me me (tsis muaj lub log tsheb) .
✔ Qhov kawg ntawm lub teeb seem (shredded, tig) .
Kev txwv
❌ Muaj dua cov teeb tsa tiag tiag tus nqi .
❌ tsawg dua yooj nyob rau hauv seem sib xyaw (yuav tsum tau muaj kev ywj pheej pub mov) .
Zoo tshaj plaws rau: High-ntim cov neeg tsim khoom siv cov teeb scrap lossis tsom rau cov haujlwm ultra-ua haujlwm.
(Sourova Consteel aif Technical Phau Ntawv, 2022)
Ncej EAF (Preheating Ncej Tsim)
Tus ncej EAF koom nrog tus ncej ntsug sab saud lub cub hluav taws xob, siv cov roj av sib txuas ua ntej melting .
Cov Nta Tseem Ceeb
- Seem preheated: off-roj cua kub seem rau 500-800 degree, txo lub zog xav tau {}}
- Batch lossis ib nrab ua hauj lwm txuas ntxiv: qee cov qauv uas cia cov khoom noj txuas ntxiv ua.
- Compact hneev taw: txuag qhov chaw sib piv rau tas li {.
Qhov Zoo
Kev txuag nyiaj hluav taws xob (txog li 100 kWh / tuj) .
✔ tau txo cov tshuab hluav taws xob .
A Ncov qis dua cov tshuaj lom (zoo dua kub rov qab) .
Kev txwv
❌ Txwv rau qee cov kev khawb seem (seem (seem)
❌ Qiv Siab dua (Ncej Hnav Regractory) .
Qhov zoo tshaj plaws rau: Eco-Las-otor Mills optimizing zog zog .
(Source: "Ncej Rauv Rauv Tshuab hauv EAF Statmaking," Hlau & Hlau Tshuab, 2021)
EAF hom yog txoj cai rau koj lub lag luam?
| EAF Hom | Zoo tshaj plaws rau | Cov Phiaj xwm Tseem Ceeb | Kev txwv |
|---|---|---|---|
| Ac eaf | Raug nqi-ua tau zoo, yoog tau ntau lawm | Tsawg dua kev nqis peev | Ntau dua electrode |
| DC EAF | High efficiency, ntau teev mills | Lub zog txuag, ruaj khov arcs | Cov nqi peev siab dua |
| Hybrid EAF | Ceev melting, hloov kho cov nqi zog | Txo hluav taws xob siv hluav taws xob | Ua haujlwm ntau dua |
| Consteel ® EAF | Kev Ua Nruam Nruam, Lub Teeb Seem | Ultra-txuag, qis paug | Yuav tsum tau sib scrap |
| Nce EAF | Kev rov qab hluav taws xob, cov millo hauv eco | Nkim kub siv | Tsawg Scrap Qhov Loj Yooj Yim |
Yav Tom Ntej Hauv EAF Technology
Green EAFS: hydrogen-based cua kub thiab txuas ntxiv rov ua hluav taws xob .
AI optimization: Cov kev tswj ntse rau kev twv xyuas melting thiab lub zog siv .
Hybrid Systems: sib txuas EAF nrog cov hlau txo qis (DRI) rau hwm cov hlau qib {}}
Xaiv EAF txoj cai nyob ntawm SCRAP hom, cov nqi hluav taws xob, thiab cov tswv yim ib puag ncig, thiab ncu aifs muab cov txiaj ntsig tshwj xeeb {}}
Rau cov kev daws teeb meem EAF, tiv toj peb pab neeg engineering los tham txog koj cov phiaj xwm kev xav tau thiab ua kom zoo dua koj cov txheej txheem statmaking .
Ntawv Sawv cev
Fruehan, r {. j . (1998).Fais arc rauve steelmaking.
Cameron, Kuv {.}}}. (2000) {3} {3}DC arc arc rauv - yav dhau los, tam sim no, thiab yav tom ntej.
Tenana . (2022) .Consteel Day Eaif Technology Txheej txheem cej luam.
Hlau & Hlau Tshuab (2021). Ncej cua sov innovtations.
Tiv Tauj Peb
Xi'an Huachan Metallurgical Technology Co ., ltd .
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