EAG Fais ARC Rauv (Fais Arc Rauv) Steelmaking

Cov qauv yooj yim:

EAF rauv taws feem ntau yog muaj cov cua sov lub cev, electrode system, hluav taws xob, dej txias kev kho mob, kev kho quav thiab lwm qhov chaw. Lub cev rauv taws yog qhov chaw kom tuav tus nqi thiab melting, suav nrog cov dej sov, ua kom sov, thiab lwm yam; Lub tshuab hluav taws xob muab cov hluav taws xob txuas hluav taws xob rau cov cub tawg los ntawm Graphite Electrodes los tsim hluav taws xob arc; Lub tshuab hluav taws xob muab hluav taws xob hluav taws xob rau ARC thiab tswj cov kev ua haujlwm ntawm cov cub tawg ntawm cov cub tawg; Cov dej-txias system yog siv los ua kom txias lub cub hluav taws xob lub cev, cov electrodes thiab lwm cov khoom kom tiv thaiv cov khoom los ntawm kev kub ntxhov; Thiab cov txheej txheem qoj ib ce yog lub luag haujlwm saib xyuas cov khoom sib tw thaum lub zog melting.

Ua haujlwm ua haujlwm:

Lub EAF rauv taws siv cov xwm txheej ntawm hluav taws xob Arc tawm ntawm lub zog hluav taws xob, yog li ua rau lub luag haujlwm hluav taws xob rau sai sai rau qhov kub yaj. Tshwj xeeb, thaum lub electrode thiab tus nqi yog ze rau qhov kev ncua deb, cov pa ntawm electrode, cov roj yog ionized, sib sau cov channel ua thiab kev tsim hluav taws xob. Qhov ntsuas kub ntawm ARC yog qhov ntau heev, feem ntau txog 3000 degree lossis ntau dua, tuaj yeem yaj tus nqi kom ua tiav qhov melting ntawm cov hlau.

Lub ntsiab nta:

Yooj yim: qhov kub me me, lub sijhawm thiab lwm yam kev ntsuas tuaj yeem hloov kho raws li cov khoom siv ntau yam thiab cov kev qhia tshwj xeeb ntawm cov hlau. Nyob rau tib lub sijhawm, nws tuaj yeem pib sai thiab nres, yog li ntawd nws yooj yim kho cov phiaj xwm ntau lawm raws li kev ua lag luam xav tau raws sijhawm.

Kev tiv thaiv ib puag ncig thiab txuag hluav taws xob: piv nrog cov khoom siv hluav taws xob zoo li cua sov thiab ua kom sov li cov txheej txheem sib txuas, yog li nws tsis tshua muaj kuab paug rau ib puag ncig. Tsis tas li ntawd, los ntawm kev tsim kho kev tsim qauv thiab kev ua haujlwm, EAF rauv tau paub siv lub zog thiab txo kev siv zog siv hluav taws xob.

Cov khoom lag luam zoo zoo: Vim tias cov khaub ncaws hnav thiab tswj tau qhov kub thiab txias tau los txo cov hlau ua kom haum, yog li kev txhim kho lub purity thiab zoo ntawm cov hlau. Nyob rau tib lub sijhawm, cov cim ntawm cov hlau kuj tuaj yeem hloov kho tau los ntawm kev ntxiv cov khoom siv, thiab lwm yam kom tau raws li cov neeg siv sib txawv.

Chaw Thov:

EAF rauv taws yog tsuas yog siv rau hauv cov txheej txheem melting hauv cov hlau thiab hlau, tsis muaj hlau thiab lwm yam kev lag luam. Hauv kev lag luam hlau, feem ntau siv nyob rau hauv kev tsim cov hlau muaj ntau cov hlau zoo li qub thiab hlau tshwj xeeb, xws li hlau txhuas, thiab lwm yam .; Hauv kev lag luam hlau tsis-ferrous hlau, tuaj yeem siv rau melting tooj liab, txhuas, npib tsib xee thiab lawv cov hlau thiab lawv cov alloys. Nrog kev txhim kho kev ua lag luam thev naus laus zis, cov ntawv sau ua kom sov, xws li hauv cov khoom siv hluav taws xob hlau thiab kom pom cov khoom siv hluav taws xob.

Lub tshuab hluav taws xob hluav taws xob ua hluav taws xob (EAF) yog cov hluav taws xob siab dua uas tau siv cov hluav taws xob cov roj ntsha kom yaj, hlau kom tsawg. Cov txheej txheem tau dav thiab nce nyob rau hauv niaj hnub stackmaking vim nws txoj kev ua tau zoo, hloov tau thiab muaj cov kev tiv thaiv ib puag ncig ib puag ncig.

Charging State

Cov txheej txheem pib nrog them rau cov cub tawg nrog seem, alloys thiab fluxes. Qhov muaj pes tsawg leeg thiab txheej ntawm cov seem yog ua tib zoo npaj kom ntseeg tau tias muaj txiaj ntsig zoo thiab cov tshuaj uas yuav tsum tau ua ntawm cov khoom kawg steel.

Melting theem

Tom qab them nyiaj, qhov siab tam sim no tsim kev kub kub siab heev (txog li 3, 000 degree hauv thaj chaw arc). Thaum lub sij hawm pib drilling, 15% ntawm seem yog melted. Tom qab ob peb feeb, lub electrode nkag rau cov kab ntawv sib sib zog nqus txaus kom tso cai ntau dua cov qauv hluav taws xob.

Refining Theem

Lub chaw ua kom zoo nkauj theem yog qhov tseem ceeb rau kev kho cov tshuaj lom neeg muaj pes tsawg leeg ntawm cov hlau thiab tshem tawm impurities.

1. Oxidation lub sijhawm: oxygen tau txhaj rau ua cov oxides uas khiav tawm ntawm cov roj av lossis ua ib feem ntawm slag, yog li oxidizing lub impurities.

Fe + 1} \/ 2o₂ → Feo (Slags)

Si + o₂ → sio₂ (slags)

Mn + 1 \/ 2o₂ → mno (slags)

2 cr + 3}} → croo₃ (slags)

4p {+ 5 → → → → → → → → → → → p₂o₅ (slags)

S + O₂ → so₂ (Gase)

2al {+ 3}} → → → → al₂o₃ (slags)

2.Decarburization: txo ntawm tag nrho cov ntsiab lus carbon ntawm cov hlau.

C + O₂ → KOM

C + 1 \/ 2o₂ →

3.Rhiav theem:

Tom qab oxidation, ib puag ncig txo tau tsim los ntawm cov neeg sawv cev tshwj xeeb xws li cov pa roj carbon thiab silicon) kom rov zoo li nws yog xim hlau.

Kev Tsim Kom Yooj Yim

Slag ua lub luag hauj lwm tseem ceeb hauv kev cuab cov impurities thiab tiv thaiv cov hlau los ntawm cov pa taws. Nws muaj kev sib xyaw ua ke ntawm oxidized impurities thiab ntxiv fluxes

2 cr₂o₃ + 3 si → 4 s + 3 sio₂

Sio₂ + CAO → Casi₃

P₂o₅ + 3 Cao Cao → CA₃ (PO₄) ₂

EAFs tsis zoo li cov rhuab ntshiab ntawm kev tshem tawm cov khoom tsis zoo xws li tooj liab, npib tsib xee thiab tin. Thaum lub bf ua haujlwm nyob rau hauv kev txo qis cov kev mob kom tshem tawm impurities xws li Exidizing huab cua thiab phosphorus cua thiab phosphorizing huab cua thiab phosphorizing huab cua thiab phosphorizing huab cua thiab phosphorizing huab cua thiab phosphorizing huab cua thiab phosphorizing huab cua thiab phosphorizing huab cua thiab phosphorizing cua thiab phosphorizing cua thiab phosphorizing cua thiab phos Ib qho ntxiv, cov txheej txheem BF-BF-BF

Tawm ntawm cov hlau

Thaum cov tshuaj uas xav tau cov tshuaj thiab qhov ntsuas kub tau mus txog, cov hlau rho tawm ntawm qhov cub tawg rau hauv lub tsev rau kev ua haujlwm ntxiv lossis pov tseg.

Rauv Hauv Qab

(1) Magnesium Carbon Cib: Kev ua haujlwm siab tsis zoo, zoo thermal poob siab tsis kam, haum rau qhov ntsuas hluav taws xob, tab sis kuj txhim kho kev pabcuam lub neej hauv qab.

(2) Magnesium cib: Lub ntsiab tivthaiv yog magnnesium oxide, muaj lub siab tsis muaj zog rau cov kev poob siab, feem ntau yog siv nyob rau hauv qab ntawm lub cub tawg, feem ntau yog siv nyob rau hauv qab qhov cub tawg, feem ntau siv nyob rau hauv qab qhov cub tawg, feem ntau yog siv nyob rau hauv qab qhov cub tawg, feem ntau siv nyob rau hauv qab qhov cub tawg, feem ntau siv nyob rau hauv qab qhov cub tawg, feem ntau yog siv nyob rau hauv qab qhov cub tawg, feem ntau siv nyob rau hauv qab qhov cub tawg, feem ntau siv nyob rau hauv qab qhov cub ua kom tsis muaj siab.

(3) Graphite refractory: Zoo hluav taws xob conductivity, thermal conductivity thiab thermal poob siab kuj, tuaj yeem tiv thaiv qhov kub ntawm lub tshuab hluav taws xob hauv qab ntawm cov txheej txheem conductive, kom paub tseeb kev sib kis ntawm tam sim no.

Phab Ntsa Hluav Taws Xob

(1) Magnesium Carbon Cib: Ib qho ntawm cov khoom siv refractory feem ntau siv nyob rau hauv lub cub tawg, tshwj xeeb tshaj yog nyob rau thaj tsam ntawm slag thiab kub lub neej ntawm lub neej ntawm cov cua sov phab ntsa.

(2)magnesium-chromium cib: Nrog lub zog siab kub-kub lub zog, slag txoj kab kev tawm tsam, tsim nyog rau kev siv hluav taws xob muaj txiaj ntsig, tsis muaj kev phom sij, tab sis vim tias muaj kev tiv thaiv zoo, tab sis kev siv tshuaj tua hluav taws xob muaj kev tiv thaiv kom tau them rau cov teeb meem kev tiv thaiv ib puag ncig.

(3) High Alumina Cib: Alumina raws li lub ntsiab tivthaiv, nrog kev ua haujlwm siab, tshuab zog ntawm cov kab tsis muaj zog, tuaj yeem siv cov kab hluav taws xob ntawm cov nqi hluav taws xob, tuaj yeem txo cov nqi.

Rauv Npog

(1) Chrome Corlundum Prefabricated Yam: Nrog qhov siab dua, zoo thermal poob siab tsis kam, nws tuaj yeem tiv thaiv qhov kev pab cuam lub zog ntawm lub hau ntawm lub hau npog hluav taws xob loj arc.

(2) High-aluminium prefabricated seem: Raws li cov ntaub ntawv muaj txiaj ntsig zoo, muaj lub zog siab thiab cov plua plav kom tiv thaiv cov cua sov, muaj peev xwm tiv thaiv me thiab nruab nrab yog tsawg.

(3) Aluminium-Carbon Cib: Nrog rau qee yam kev ua kom rov ua haujlwm thiab tiv thaiv kev ua kom muaj rau lub neej hluav taws xob, nws yog maj mam hloov los ntawm lwm cov ntaub ntawv nrog kev ua tau zoo dua.

Hlau Qhov Chaw

(1) Magnesia-Carbon Steel Qhov Hluav Taws Xob Cov Cib: Nrog kev ua kom siab dua, txo qis erosion tsis kam thiab zoo ntawm cov txheej txheem steel thiab loj ntawm cov hlau hluav taws xob thiab ntev ntawm lub neej pabcuam ntawm cov hlau hluav taws.

(2) Corundum Outlet Cib: COLUNDUM raws li cov khoom siv rawnies loj, nrog cov tawv nqaij siab thiab ua kom cov steel tau zoo, txo cov blockage ntawm cov tuberculosis.

Cov Hluav Taws Xob Hluav Taws Xob

(1) Mullite Refractory Khoom Siv: Nrog zoo thermal ruaj khov, thermal poob siab tsis kam thiab txo kev ruaj khov ntawm cov hluav taws xob hluav taws xob, nws tuaj yeem tswj cov dej khov kho ntawm cov pa roj cua sov thiab plua plav hauv qhov cub sov.

(2) Graphite hluav taws xob cov khoom: Nrog rau hluav taws xob zoo, thermal conductivity thiab tus kheej-lubrication, nws tuaj yeem tiv thaiv cov kev sib txhuam ntawm cov kev pabcuam kub ntawm lub neej ntawm electrode lub neej.

Txhawm rau xaiv cov khoom siv refactory haum rau EAF Rauv (Hluav taws xob Arc rauv taws), nws yog qhov tsim nyog los ua haujlwm, cov ntsiab lus kev ua tau zoo thiab cov ntsiab lus tshwj xeeb yog cov ntsiab lus tshwj xeeb:

1. Siv Chaw: Cov haujlwm ua haujlwm ntawm cov chaw sib txawv ntawm EAF rauv taws yog qhov sib txawv heev, uas yuav tsum tau sib phim nrog cov khoom siv refractory. Zoo li hauv qab ntawm lub cub tawg kom tiv thaiv cov kua kub ua kom sov li qub, slag yaig thiab thermal kev ntxhov siab, koj tuaj yeem xaivMagnesium Carbon Cib, Magnesium cib, thiab lwm yam; Cub hluav taws xob phab ntsa kab ntawm txoj kab kev sib tw ntawm lub slag yaig thiab thermal poob siab yog loj, magnesium carbon cib,Magnesium Chromium Cibyog kev xaiv zoo dua; Rauv npog ntsib qhov kev kub siab kub ntawm lub tshuab hluav taws xob, haum rau chrome corundum pre-ntaub, thiab lwm yam; Tawm ntawm lub qhov ncauj ntawm cov hlau yuav tsum muaj peev xwm tiv thaiv cov kua hlau thiab slag scouring ntawm magnesium carbon lossis corundum tawm ntawm lub qhov ncauj ntawm tus steel cib.

2. Kev Ua Haujlwm: Cov recitractories yuav tsum tau raug xaiv raws li cov chaw ua haujlwm tshwj xeeb ntawm EAF rauv. Yog tias qhov ntsuas kub smelting yog qhov siab, koj xav tau cov khoom siv siab dua, xws li cov tshuaj khib nyiab siab, magnesium thiab lwm yam kev ntsuas siab; Yog hais tias qhov cub yog ib qho chaw oxidizing, magnesium-chromium cib thiab lwm cov ntaub ntawv antioxidant yog cov khoom haum ntau; Rau qhov nquag qhib thiab nres ntawm cov hluav taws xob hluav taws xob, koj yuav tsum xaiv cov refractories nrog zoo thermal poob siab, xws li magnesium cib, aluminium cib cib, aluminium cib cib thiab lwm yam.

3. Kev ua yeeb yam ua tau zoo: Qhov ntsuas tseem ceeb ua kom pom tseeb ntawm cov khoom txiav txim siab nws cov kev siv tau. Kev ua siab ntev yog lub hauv paus kom ntseeg tau tias thaum muaj kub tsis soften, tsis yaj; Zoo thermal kev poob siab yuav tuaj yeem tiv thaiv cov khoom hauv kev hloov pauv sai sai hauv qhov kub tawm, spalling; Cov khoom siv muaj zog tiv thaiv mus rau slag yaig tuaj yeem tiv taus slag tshuaj yaig thiab nkag mus, ncua lub neej pabcuam; Txaus siab-kub zog tso cai rau cov khoom kom tiv thaiv cov thauj khoom ntawm qhov kub uas tsis muaj deformation.

4. Cov khoom siv tau sib xws: Cov ntaub ntawv Refractory yuav tsum tau sib xws nrog cov nplais, hlau thiab lwm cov ntaub ntawv cub tawg hauv EAF rauv. Piv txwv li, cov khoom siv alkaline refractory yog qhov tsim nyog rau Alkaline Slag Ib puag ncig, lwm yam tshuaj lom neeg yuav tshwm sim, nrawm nrawm cov khoom siv refractory yaig. Nyob rau tib lub sijhawm, ntau qhov chaw ntawm cov khoom siv refractory kuj tseem muaj kev sib txawv zoo, kom tsis txhob muaj cov kev nthuav dav ntawm thermal thiab lwm qhov sib txawv dhau lawm, ua rau muaj kev sib xyaw ua ke thiab lwm yam teeb meem.

5. Nqi: Under Premise ntawm kev ua raws li kev siv kev cai, tus nqi yog qhov kev txiav txim tseem ceeb. Txhawm rau txiav txim siab cov nqi ua kom tau nqi ntawm cov khoom siv refactory, cov nqi tsheb thauj, siv cov nqi siv thiab kev pabcuam lub neej. Qee cov ntaub ntawv zoo, txawm tias tus nqi siab, tab sis lub neej kev pabcuam ntev, tus nqi pheej yig yuav raug nqi ntau dua. Piv txwv li, kev siv cov txiaj ntsig zoo Maglesium carbon cib hauv qhov tseem ceeb EAF kev ua kom zoo, tab sis nyob rau hauv lub sijhawm ua kom muaj zog, tab sis tuaj yeem ua kom tau cov nyiaj tau los ntawm kev lag luam loj, tab sis tuaj yeem txhim kho cov nyiaj tau los ntev ntawm kev lag luam tau zoo dua.

(1) Rauv puas ntsoog: yog tias cov cub tawg pom tias yog ib nrab, nws puas tsim nyog, nws yog ib qho tsim nyog kom nres lub cub tawg kom huv.

Kho Txoj Kev: Ua ntej ntawm txhua qhov chaw ntawm lub cub hluavtaws kiag li tshem tawm, thiab tom qab ntawd nyob rau hauv raws li cov kev xav tau ntawm cov kev cai ntawm lub cub tawg, rov muab lub cub tawg tshiab. Nyob rau hauv tus txheej txheem ntawm masonry, peb yuav tsum nruj me ntsis cov ntaub ntawv ntawm cov khoom siv refractory thiab kev ua kom zoo los xyuas kom meej tias qhov zoo ntawm masonry ob sab phlu ua tau.

(2) electrode tsis ua hauj lwm: yog tias hluav taws xob tawg, tawg thiab lwm yam swb, tam sim ntawd nres siv cov electrode thiab hloov nws nrog ib qho tshiab. Nyob rau tib lub sijhawm, txheeb xyuas cov laj thawj ntawm electrode tsis ua haujlwm, xws li cov teeb meem electrode, thiab siv cov teeb meem tsim nyog los tiv thaiv cov kev tsis txaus siab los ntawm kev tshwm sim.

(3) Kev siv hluav taws xob tsis ua haujlwm: thaum lub zog hluav taws xob tsis, xws li luvfcuit Court, muaj ntau dua, thiab lwm yam los ntawm kev ua haujlwm hluav taws xob tam sim ntawd. Cov neeg ua haujlwm tu tau txais cov cuab yeej kev soj ntsuam, xws li mus rau qhov tsis ua haujlwm, txiav txim siab qhov ua tsis tiav, thiab kho lossis hloov cov khoom siv hluav taws xob uas puas.

(4) Lub cev txias zog tsis ua haujlwm: Yog tias cov dej txias, dej siab kub thiab lwm yam kev ua txhaum, cov cua sov yuav tsum nres hauv lub sijhawm los kuaj. Rau cov dej xau txhaum, kom pom cov takeage taw tes, kho lossis hloov cov kav dej uas puas thiab lwm yam. Rau qhov teeb meem ntawm cov dej siab kub lossis dej tsis zoo, ntxuav cov nplai thiab kev ua haujlwm ntawm cov dej txias kom ntseeg tau tias qhov kev ua haujlwm zoo ntawm lub zog txias.

Zinfon Refractory Technology Co., Ltd

Peb yog cov khoom siv hluav taws xob refractory ua ke R & D, kev tsim khoom, kev tsim kho, cov ntaub ntawv ua lag luam thiab kev lag luam.

Peb tab tom muab ntau cov hlau nplaum thiab alumina rectractories nrog rau ob qho khoom siv thiab cov khoom tsis yooj yim, cov khoom siv raw thiab cov khoom siv tshuaj lom neeg.

Peb muaj ntawv pov thawj rau ISO9001, ISO14001, ISO45001 thiab lwm lub tebchaws thiab hauv zos pov thawj raws li nram no:

Xa Kev Nug Tam Sim No