Vim tias graphite electrodes 'kev ua tau zoo heev nrog rau kev ua haujlwm siab, siab tiv thaiv thermal shock thiab tshuaj lom neeg corrosion thiab tsis muaj impurity, graphite electrodes tau ua lub luag haujlwm tseem ceeb hauv EAF steelmaking thaum lub sij hawm niaj hnub steel kev lag luam thiab metallurgy rau kev xav tau ntawm kev txhim kho efficiency, txo cov nqi, thiab txhawb nqa. kev ruaj ntseg.
Graphite Electrode yog dab tsi?
GRAPHITE ELECTRODES yog cov khoom siv hluav taws xob zoo tshaj plaws rau hluav taws xob arc rauv thiab smelting rauv, Lawv tsim los ntawm cov koob zoo cokes sib xyaw, molded, ci thiab graphitization txheej txheem los tsim cov khoom tiav.GRAPHITE ELECTRODES zoo haum rau siv nyob rau hauv high-temperature ib puag ncig thiab tuaj yeem tiv taus cua sov yam tsis tau tawg.Nws yog tam sim no tsuas yog cov khoom lag luam uas muaj cov khoom siv hluav taws xob siab thiab muaj peev xwm ntawm kev txhawb nqa cov cua sov siab heev hauv qhov xav tau ib puag ncig.
Qhov no feature txo lub zog poob thiab txhim kho tag nrho cov txheej txheem smelting 'efficiency, ua rau tsawg zog noj thiab txo nqi ntau lawm.
Graphite Electrode Cov Khoom Tshwj Xeeb
GRAPHITE ELECTRODE yog qhov zoo tshaj plaws rau kev siv hauv hluav taws xob arc rauv thiab lwm yam kev siv hauv kev lag luam.Cov khoom tshwj xeeb ua kom cov graphite electrode tuaj yeem tiv taus qhov kub siab txog li 3,000 ° C mus rau qhov kub thiab txias hauv hluav taws xob arc rauv (EAF).
- High Thermal conductivity- Graphite electrodes muaj cov thermal conductivity zoo heev, uas ua rau lawv tiv taus qhov kub thiab txias thaum lub sij hawm melting txheej txheem.
- Tsawg hluav taws xob tsis kam- Tsis tshua muaj hluav taws xob tsis kam ntawm graphite electrodes ua kom yooj yim khiav ntawm hluav taws xob hluav taws xob hauv hluav taws xob arc rauv.
- Siab Mechanical Strength- Graphite electrodes yog tsim los kom muaj lub zog txhua yam kom tiv taus qhov kub thiab siab siab nyob rau hauv hluav taws xob arc rauv.
- Cov tshuaj tiv thaiv zoo heev- Graphite yog cov khoom siv tsis zoo uas tiv taus cov tshuaj lom neeg feem ntau thiab cov tshuaj corrosive.Graphite electrodes zoo tagnrho rau siv nyob rau hauv hnyav industrial cheeb tsam, qhov twg lwm yam ntaub ntawv yuav ua tsis tau tejyam vim tshuaj tua kab mob.
Graphite electrodes tsis yog tsuas yog siv dav hauv hluav taws xob arc rauv, tseem siv rau hauv kev tsim cov hlau silicon, daj phosphorus, thiab lwm yam hlau uas tsis yog-ferrous, acids, alkalis, thiab lwm yam tshuaj, corrosive ib puag ncig.
Graphite electrodes tau muab faib ua peb qib raws li lawv lub cev lub zog, kev qhia tshwj xeeb thiab kev siv sib txawv ntsig txog lub tshuab hluav taws xob muaj peev xwm, lub zog hluav taws xob hloov pauv.Cov qib feem ntau siv ntawm graphite electrodes yog Ultra-siab zog (UHP), Siab zog (HP), thiab tsis tu ncua (RP).
UHP graphite electrodes feature siab thermal conductivity thiab tsis tshua muaj hluav taws xob tsis kam, lawv tshwj xeeb yog siv rau ultra-siab zog hluav taws xob arc rauv (EAF) nyob rau hauv smelting ntawm refined steel los yog tshwj xeeb hlau. Ib ton.
HP Graphite Electrode yog cov khoom siv hluav taws xob zoo tshaj plaws rau hluav taws xob arc rauv thiab smelting rauv, nws ua raws li tus neeg nqa khoom los qhia txog tam sim no rau hauv lub cub tawg.HP graphite electrode feem ntau yog siv rau siab zog hluav taws xob arc rauv (EAF) uas muaj peev xwm nyob ib ncig ntawm 400kV / A rau ton.
RP graphite electrode yog dav siv nyob rau hauv niaj hnub fais fab hluav taws xob rauv uas muaj peev xwm nyob ib ncig ntawm 300kV / A ib tuj los yog tsawg dua.The RP qib muaj qhov qis tshaj thermal conductivity thiab mechanical zog piv rau UHP graphite electrode thiab HP graphite electrode.RP graphite electrodes yog tsim nyog. rau kev tsim cov hlau qis xws li steelmaking, refining silicon, refining daj phosphorus, ua iav industries.
Nrog rau qhov kev thov ntau ntxiv rau lwm qhov chaw siv hluav taws xob, graphite electrodes tseem ua lub luag haujlwm tseem ceeb hauv kev tsim cov roj hlwb.
Graphite electrodes muaj ntau yam kev siv hauv ntau yam lag luam.Qee qhov kev siv tseem ceeb ntawm graphite electrode suav nrog;
Hluav taws xob Arc Rauv (EAF) hauv Steelmaking
Graphite electrode daim ntawv thov hauv EAF steelmaking yog ib qho tseem ceeb ntawm kev tsim cov hlau niaj hnub.Graphite electrodes yog ib tug neeg xyuas pib xa hluav taws xob mus rau lub cub tawg, uas nyob rau hauv lem ua cua sov kom yaj lub steel.The EAF txheej txheem yuav tsum tau kub kub rau yaj cov seem hlau, graphite electrodes tuaj yeem tiv taus kub kub yam tsis poob lawv cov qauv kev ncaj ncees.As lub ntiaj teb no txuas ntxiv tsom mus rau txoj kev tsim khoom kom ruaj khov thiab ua tau zoo, graphite electrodes yuav txuas ntxiv mus ua lub luag haujlwm tseem ceeb hauv EAF steelmaking.
Ladle Rauv (LF)
Ladle furnaces (LFs) yog cov khoom tseem ceeb ntawm cov txheej txheem steel.Graphite electrodes yog siv nyob rau hauv lub ladle furnace kev lag luam los muab lub siab tshaj plaws hluav taws xob tam sim no thiab kub siab nyob rau hauv tag nrho cov txheej txheem.Cov graphite electrodes muaj cov yam ntxwv zoo heev nrog rau kev ua haujlwm siab, tiv thaiv thermal shock thiab tshuaj corrosion, thiab lub neej ntev, lawv yog qhov kev xaiv zoo tshaj plaws rau ladle furnace (LF) daim ntawv thov. thiab tus nqi-kev ua tau zoo, thaum tuav cov qauv zoo uas cov kev lag luam xav tau.
Submerged Electric Rauv (SEF)
Graphite electrodes yog dav siv nyob rau hauv submerged hluav taws xob rauv yog ib qho tseem ceeb heev nyob rau hauv zus tau tej cov hlau thiab cov ntaub ntawv xws li daj phosphorus, ntshiab silicon.Graphite electrodes muaj cov yam ntxwv zoo heev nrog rau cov hluav taws xob hluav taws xob siab, siab tiv thaiv thermal shock, thiab qis coefficient ntawm thermal expansion.Cov yam ntxwv no ua rau graphite electrode zoo tagnrho rau siv rau hauv cov hluav taws xob hauv hluav taws xob, qhov twg qhov kub thiab txias hnyav yog qhov qauv.
Graphite electrodes yog cov khoom tseem ceeb hauv Electric Arc Rauv (EAF) steelmaking txheej txheem.The graphite electrode noj cov nqi tseem ceeb hauv steel ntau lawm.Yuav ua li cas xaiv cov qib kom zoo thiab loj rau graphite electrode, muaj ntau yam los xav txog rau txhua daim ntawv thov.
- Steel hom thiab qib
- Kev siv hluav taws xob thiab oxygen
- Qib zog
- Qib tam sim no
- Rauv tsim thiab muaj peev xwm
- Charge khoom
- Target graphite electrode noj
Xaiv cov graphite electrode kom zoo rau koj lub cub tawg yog qhov tseem ceeb rau kev ua tiav qhov kev ua tau zoo, txo qis kev siv hluav taws xob, thiab txo cov nqi tu.
Daim Ntawv Qhia Rau Kev Pom Zoo Sib Tw Rau Hluav Taws Xob Hluav Taws Xob Nrog Electrode
| Qhov cub muaj peev xwm (t) | Sab hauv Dia (m) | Transformer Peev Xwm (MVA) | Graphite Electrode Txoj kab uas hla (mm) | ||
| UHP | HP | RP | |||
| 10 | 3.35 Nws | 10 | 7.5 | 5 | 300/350 |
| 15 | 3.65 ib | 12 | 10 | 6 | 350 |
| 20 | 3.95 ib | 15 | 12 | 7.5 | 350/400 ib |
| 25 | 4.3 | 18 | 15 | 10 | 400 |
| 30 | 4.6 | 22 | 18 | 12 | 400/450 |
| 40 | 4.9 | 27 | 22 | 15 | 450 |
| 50 | 5.2 | 30 | 25 | 18 | 450 |
| 60 | 5.5 | 35 | 27 | 20 | 500 |
| 70 | 6.8 | 40 | 30 | 22 | 500 |
| 80 | 6.1 | 45 | 35 | 25 | 500 |
| 100 | 6.4 | 50 | 40 | 27 | 500 |
| 120 | 6.7 | 60 | 45 | 30 | 600 |
| 150 | 7 | 70 | 50 | 35 | 600 |
| 170 | 7.3 | 80 | 60 | --- | 600/700 |
| 200 | 7.6 | 100 | 70 | --- | 700 |
| 250 | 8.2 | 120 | --- | --- | 700 |
| 300 | 8.8 ib | 150 | --- | --- | |