Qhov sib txawv ntawm Silicon Carbide thiab Ferro Silicon

Silicon Carbide (SiC)

Silicon carbide yog ib qho sib xyaw ua ke los ntawm kev ua haujlwm siab -purity quartz xuab zeb nrog siab -zoo ntxuav anthracite thee hauv qhov cub hluav taws xob. Cov txheej txheem tsim nyob rau ntawm cov khoom siv raw thiab siab - qhov kub thiab txias ib puag ncig, uas muab lub hauv paus rau nws cov khoom tshwj xeeb.

Silicon carbide muaj silicon thiab carbon, thiab yog ib qho tseem ceeb rau nws cov ntsiab lus tsis muaj impurities xws li txhuas, nitrogen thiab hydrogen. Cov qauv ntshiab no yog qhov laj thawj tseem ceeb rau nws qhov kev ua tau zoo hauv ntau qhov chaw.

Ferrosilicon (FeSi)

Ferrosilicon yog ib qho alloy ntawm hlau thiab silicon nrog qhov nruab nrab silicon ntsiab lus ntawm 15% thiab 90%. Cov qauv kev lag luam feem ntau muaj 15%, 45%, 75% thiab 90% silicon, tus so yog cov hlau, nrog li 2% ntawm lwm cov khoom xws li txhuas thiab calcium. Cov ntsiab lus sib txawv ntawm silicon muab lawv sib txawv hauv kev siv.

Ferrosilicon muaj hlau thiab silicon ua nws cov khoom tseem ceeb, thiab nws cov ntsiab lus silicon fluctuates dav. Nws kuj muaj qee qhov nyiaj ntawm txhuas, calcium thiab lwm yam impurities, uas muaj kev cuam tshuam rau nws cov kev ua tau zoo thiab cov ntawv thov scenarios.

Silicon Carbide (SiC)

Cov khoom siv tshuaj lom neeg: Silicon carbide yog tshuaj lom neeg ruaj khov thiab nyuaj heev, nrog Mohs hardness ze rau ntawm pob zeb diamond. Tsis tas li ntawd, nws muaj cov cua kub zoo heev thiab hnav tsis kam, thiab tuaj yeem nyob ruaj khov nyob rau hauv ntau qhov chaw tshuaj lom neeg.

Lub cev muaj zog: Muaj cov thermal conductivity siab thiab qis coefficient ntawm kev nthuav dav, qhov no tso cai rau nws tswj cov qauv thiab kev ua haujlwm ruaj khov hauv qhov chaw huab cua, xws li kub kub thiab kub hloov pauv.

Ferro Silicon (FeSi)

Silicon muaj cov tshuaj lom neeg muaj zog rau oxygen, uas ua rau ferrosilicon txo qis heev. Raws li cov cuab yeej no, nws tuaj yeem siv rau hauv cov txheej txheem xws li txo cov hlau oxides, deoxidation ntawm hlau thiab ferroalloys.

Qhov zoo ntawm silicon carbide (SiC) nyob rau hauv steel mills

Tsawg impurity cov ntsiab lus

Ntau dhau ntawm txhuas, nitrogen, hydrogen thiab lwm yam khoom tuaj yeem ua rau cov hlau tsis xws li porosity thiab suav nrog. Silicon carbide, ntawm qhov tod tes, muaj cov ntsiab lus qis dua ntawm cov impurities piv rau lwm qhov chaw silicon thiab carbon, uas tsim cov hlau ntshiab thiab txhim kho steel zoo.

Txo tus nqi converter (BOF)

Ntxiv silicon carbide rau lub converter tso cai rau lub cub tawg mus txog qhov kub thiab txias. Cov cuab yeej no tso cai rau cov mills kom nce cov khoom siv thiab txo cov txiv qaub noj, txhim kho steelmaking efficiency thiab txo cov nqi ntau lawm ntau txoj hauv kev.

Txo tus nqi ladle rauv

Silicon carbide muab ob qho tib si silicon thiab carbon rau cov hlau, hloov ob cov ntaub ntawv raw thiab ncaj qha txo tus nqi ntawm kev ntxiv cov ntsiab lus alloying. Tsis tas li ntawd, thaum lub sij hawm hloov cov txheej txheem los ntawm lub cub hluav taws xob mus rau lub ladle furnace, deoxidizing cov hlau nrog silicon carbide yuav tsis ua rau muaj kev pheej hmoo ntawm kev ua hauj lwm, yog li lav lub du khiav ntawm ntau lawm.

Ferrosilicon (FeSi)

Steelmaking

Ua raws li cov deoxidizer zoo ntawm nag lossis daus thiab diffusion, tshem tawm cov pa oxygen los txhawb cov hlau purity thiab txhua yam khoom.

Kev ua haujlwm ua tus neeg sawv cev zoo tshaj plaws, txhim kho steel lub zog, hardness, thiab elasticity, tseem ceeb heev rau cov qauv hlau, cov cuab yeej steel, thiab transformer silicon steel.

Cast Iron Production

Ua hauj lwm raws li ib tug tseem ceeb inoculant thiab spheroidizing tus neeg saib xyuas, txhawb graphite nag lossis daus thiab spheroidization los txhim kho cam khwb cia hlau lub zog thiab toughness, tshwj xeeb tshaj yog rau cov hlau ductile.

Ferroalloy Manufacturing

High -silicon ferrosilicon, nrog rau cov pa oxygen muaj zog thiab cov ntsiab lus carbon tsawg, yog qhov zoo tshaj plaws txo tus neeg sawv cev rau qis -carbon ferroalloys, ua kom zoo thiab tsis txhob muaj cov pa roj carbon ntau.

Silicon Carbide (SiC)

Tsis yog -ferrous hlau smelting kev lag luam

Siv nws qhov kub thiab txias tsis kam, siab zog, zoo thermal conductivity thiab cuam tshuam tsis kam, silicon carbide yog siv los ua cov khoom siv cua kub tsis ncaj. Nws ua lub luag haujlwm tseem ceeb hauv cov khoom siv xws li lub lauj kaub tseem, cov tais tseem, txhuas electrolysis tso tsheb hlau luam, thiab tooj liab melting furnace linings.

Kev lag luam hlau

Nrog nws cov corrosion thiab thermal poob siab tsis kam, abrasion kuj thiab thermal conductivity, silicon carbide yuav siv tau rau hauv ob sab phlu loj blast furnaces. Daim ntawv thov no zoo txuas ntxiv lub neej kev pab cuam ntawm lub tshuab hluav taws xob tawg thiab txo cov nqi kho khoom siv.

Metallurgy thiab Mineral Processing Industry

Vim nws cov tawv tawv thiab hnav tsis kam (5-20 npaug ntawm cov hlau cam khwb cia thiab roj hmab), silicon carbide tau dhau los ua cov khoom siv zoo tshaj plaws rau kev tsim cov kav dej, impellers, twj tso kua mis lub cev, thiab lwm yam. Nyob rau tib lub sijhawm, nws kuj yog ib qho ntawm cov khoom siv zoo tshaj plaws rau kev khiav lag luam aviation.

Cov khoom siv hauv tsev, ceramics thiab kev sib tsoo log kev lag luam

Siv nws cov thermal conductivity, hluav taws xob hluav taws xob thiab siab thermal zog, silicon carbide tuaj yeem siv los tsim cov rooj tog nyias nyias. Qhov no tsis tsuas yog txo qhov muaj peev xwm ntawm qhov cub, tab sis kuj tseem txhim kho kiln filling thiab cov khoom lag luam zoo, txo cov voj voog ntau lawm thiab txhim kho cov khoom lag luam.

Ferro Silicon (FeSi)

Steelmaking kev lag luam

Raws li ib tug deoxidizer thiab alloying tus neeg sawv cev, ferrosilicon yog dav siv nyob rau hauv smelting qauv steel, cuab yeej hlau, thiab silicon steel rau transformers. Ntxiv qee qhov nyiaj ntawm silicon tuaj yeem txhim kho lub zog, hardness thiab elasticity ntawm cov hlau, thiab ua tau raws li qhov yuav tsum tau ua ntawm cov hlau sib txawv.

Hlau casting kev lag luam

Hauv kev tsim hlau cam khwb cia, ferrosilicon yog siv rau hauv kev kho mob gestation ntawm hlau kom nrawm graphitization. Nyob rau hauv zus tau tej cov ductile hlau, nws yog ib qho tseem ceeb inoculant thiab spheroidizing tus neeg saib xyuas, pab ductile hlau kom tau zoo heev mechanical zog.

Ferroalloy ntau lawm

High silica ferrosilicon, vim nws cov affinity siab rau silicon thiab oxygen thiab cov ntsiab lus ntawm cov pa roj carbon tsawg, tau dhau los ua ib qho kev siv txo tus neeg sawv cev hauv kev tsim cov roj carbon ferroalloys tsawg, tiv thaiv qhov zoo thiab kev ua haujlwm ntawm cov pa roj carbon ferroalloy tsawg.

Lwm yam

Hauv av lossis atomized ferrosilicon hmoov tuaj yeem siv los ua lub sijhawm ncua kev lag luam hauv kev lag luam ntxhia. Hauv arc vuam, qee cov txheej txheem electrode kuj muaj ferrosilicon. Tsis tas li ntawd, nws tuaj yeem siv rau hauv kev tsim cov hlau silicon, corrosion- thiab kub -resistant hlau-silicon alloys, thiab lwm yam. Nws muaj ntau yam kev siv.

Silicon carbide plays lub luag haujlwm hauv ntau qhov siab -kawg teb nrog nws cov purity siab, siab hardness, zoo heev tshav kub thiab hnav tsis kam, thiab lwm yam. Ferrosilicon, ntawm qhov tod tes, tuav txoj haujlwm tseem ceeb hauv metallurgy thiab lwm yam lag luam los ntawm kev tsim txiaj ntawm nws cov khoom alloying thiab reducibility. Kev nkag siab txog qhov sib txawv no yuav pab koj xaiv txoj cai hauv kev tsim khoom thiab kev siv tiag tiag.