Dab tsi yog qhov zoo ntawm Ferro Silicon Nitride hauv Refractory Applications?

Teb ncaj qha: yog vim li cas refractory industries siv Ferro Silicon Nitride

Ferro Silicon Nitride (FeSiN) yog dav siv nyob rau hauv daim ntawv thov refractory vim nws ho txhim kho.thermal poob siab tsis kam, oxidation tsis kam, lub zog muaj zog, thiab corrosion kuj ntawm cov ntaub ntawv refractory.

Hauv steelmaking furnaces, ladles, thiab tundishes,Ferro Silicon Nitride refractory additive khoomTxhim khu kev ua tau zoo ntawm cov ntaub ntawv refractory los ntawm kev tsim cov theem ruaj khov nyob rau hauv siab - qhov kub thiab txias. Qhov no txo ​​qhov tawg, ncua kev pab cuam lub neej, thiab txhim kho tag nrho cov thermal stability nyob rau hauv hnyav metallurgical ib puag ncig.

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Ferro Silicon Nitride (FeSiN) specification rau refractory siv

Parameter	Ferro Silicon Nitride (FeSiN qib refractory)
Lub ntsiab lus	Fe + Si + N
Nitrogen ntsiab lus	20% – 30%
Cov ntsiab lus Silicon	25% – 45%
Daim ntawv	Lump / granular
Particle Loj	10-50 mm
Hom Kev Ua Haujlwm	Refractory ntxiv dag zog + tiv thaiv -crack additive
Daim ntawv thov kub	High -kub steelmaking ib puag ncig
Kev lag luam siv	Ladle hauv ob sab phlu, tundish, EAF, converter furnaces

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Yuav ua li cas Ferro Silicon Nitride txhim kho refractory kev ua tau zoo

Hauv refractory systems,Ferro Silicon Nitride (FeSiN refractory additive)plays lub luag haujlwm tseem ceeb hauv kev txhim kho cov qauv kev ruaj ntseg ntawm cov ntaub ntawv hauv ob sab phlu nyob rau hauv cov huab cua kub heev.

Thaum raug kub hnyiab hauv steelmaking furnaces, FeSiN reacts thiab tsim cov txheej txheem ruaj khov xws li silicon nitride thiab hlau -silicon compounds. Cov theem no ua tau zoo heevthermal shock kuj, txhais tau tias cov khoom siv refractory tuaj yeem tiv taus cua sov thiab cua txias kom zoo dua yam tsis muaj kev tawg.

Lwm qhov txiaj ntsig tseem ceeb yog txhim khooxidation tsis kam. FeSiN txo cov pa oxygen nkag mus rau hauv cov ntaub ntawv refractory, uas ua rau cov khoom siv degradation qeeb thiab ua rau lub cub tawg ua haujlwm ntev.

Tsis tas li ntawd, FeSiN txhim khoslag corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv ladle metallurgy systems uas molten slag aggressively tawm tsam cov ntaub ntawv refractory. Qhov no ua rau txo qis txij nkawm thiab txo lub sijhawm ua haujlwm.

Piv nrog rau cov khoom siv sib xyaw ua ke, FeSiN muab qhov ruaj khov thiab ntev ntev - siv zog ntxiv rau hauv siab - qhov kub thiab txias.

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Refractory kev sib piv: FeSiN vs lwm additives

Ferro Silicon Nitride vs Ferrosilicon nyob rau hauv daim ntawv thov refractory

Ferrosilicon (FeSi refractory additive) feem ntau muab silicon, uas ua rau deoxidation tab sis muaj kev txhim kho tsawg hauv cov qauv refractory.

Piv txwv li,Ferro Silicon Nitride (FeSiN qib refractory)qhia txog nitrogen, uas tsim muaj zog ceramic-zoo li theem hauv cov refractory matrix. Qhov no txhim khotawg tsis kam thiab thermal stabilitytseem ceeb.

➡ FeSi=yooj yim silicon reinforcement
➡ FeSiN=silicon + nitrogen ceramic ntxiv dag zog

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FeSiN vs Alumina-raws li additives hauv refractories

Alumina-raws li additives txhim kho refractory hardness tab sis tej zaum yuav tsis zoo heev txhim khu thermal shock kuj.

FeSiN refractory khoom additivetxhim kho ob qho tib sithermal stability thiab elasticity ntawm cov qauv, txo spalling thiab cracking nyob rau hauv ceev ceev hloov kub.

➡ Alumina additives=hardness txhim kho
➡ FeSiN=thermal shock + structural reinforcement

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Vim li cas Ferro Silicon Nitride tau siv dav hauv cov tshuab refractory niaj hnub

Niaj hnub nimno steelmaking yuav tsum tau refractories uas tuaj yeem tiv taus:

ua haujlwm kub dua

sai dua thermal cycling

ntau txhoj puab heev slag chemistry

Lub tshuab hluav taws xob ua haujlwm ntev dua qhov yuav tsum tau ua

Ferro Silicon Nitride (FeSiN muaj refractory additive)ua tau raws li cov kev xav tau no los ntawm kev tsim cov khoom siv hluav taws xob muaj zog ntxiv -cov qauv hlau sib xyaw hauv cov ntaub ntawv refractory.

Qhov no ua rau:

txo cov kab erosion

txhim kho qhov cub stability

ncua lub neej phiaj xwm

qis refractory noj nqi

Nws yog tshwj xeeb tshaj yog siv nyob rau hauvladles, tundishes, hluav taws xob arc rauv (EAF), thiab yooj yim oxygen furnaces (BOF).

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Cov ntsiab lus

Lub ntsiab zoo ntawmFerro Silicon Nitride nyob rau hauv daim ntawv thov refractoryyog nws lub peev xwm los txhim khothermal poob siab tsis kam, oxidation tsis kam, slag corrosion kuj, thiab cov yam ntxwv lub zog.

Piv nrog rau cov tshuaj ntxiv ib txwm muaj, FeSiN tsim kom muaj kev ruaj khov nyob rau hauv cov qauv refractory, ua kom lub neej ntev ntawm lub cub tawg thiab txo cov nqi tu.

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FAQ - Ferro Silicon Nitride nyob rau hauv daim ntawv thov refractory

1. Vim li cas Ferro Silicon Nitride siv hauv refractories?

Vim nws txhim khothermal poob siab tsis kam thiab cov qauv kev ruaj ntseg ntawm qhov kub thiab txias.

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2. FeSiN ua li cas txhim kho qhov cub hauv ob sab phlu?

Nws txotawg, tawg, thiab slag corrosion, extending refractory lifespan.

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3. Dab tsi yog qhov zoo dua ntawm ferrosilicon?

FeSiN muabnitrogen ntxiv dag zog, uas ferrosilicon tsis.

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4. Cov khoom siv twg yog FeSiN siv?

Nws yog siv nyob rau hauvladles, tundishes, EAF, thiab converter furnace linings.

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5. Dab tsi yog daim ntawv ntawm FeSiN siv nyob rau hauv refractories?

Nws yog feem ntau muab raws li10-50mm lumps los yog granular khoom.

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6. Puas yog FeSiN hnov ​​​​mob hauv qhov kub thiab txias?

Yog, nws formsruaj khov ceramic-zoo li theem uas ntxiv dag zog rau cov qauv refractory.

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Stable Ferro Silicon Nitride muab rau kev lag luam refractory

Peb muab siab - zooFerro Silicon Nitride (FeSiN qib refractory)nrog ruaj khov nitrogen cov ntsiab lus thiab cov tshuaj muaj pes tsawg leeg. Peb cov khoom siv dav siv hauvsteel nroj tsuag, ladle metallurgy systems, thiab siab -kub rauv refractory daim ntaub ntawv, kom ntseeg tau tias txhim kho durability thiab txo cov nqi khiav lag luam.

Peb txhawb cov khoom lag luam ntau, cov kev qhia tshwj xeeb, thiab kev xa khoom thoob ntiaj teb rau kev xav tau kev lag luam.

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