Taw qhia
Nruab nrab mus rau siab -qib silicon carbide feem ntau yog qhov kev xaiv zoo tshaj plaws rau cov hlau trough thiab moj tej tawg rauv hauv ob sab phlu, vim nws muab kev sib npaug ntawm kev yaig tsis kam, thermal stability, thiab nqi zog.
Hauv kev siv cov tswv yim, nruab nrab - qib silicon carbide yog dav siv hauv cov hlau trough castables rau nws cov nqi - kev ua tau zoo sib npaug, thaum siab - qib silicon carbide yog nyiam nyob rau hauv kev xav tau ntau dua rau qhov cub tawg hauv ob sab phlu uas muaj zog dua slag tsis kam thiab kev pab lub neej ntev dua.
Vim li cas Silicon Carbide siv hauv Iron Trough thiab Blast Furnace Refractories
Silicon carbideyog dav siv nyob rau hauv refractory formulations rau blast furnace runners, hlau trough castables, thiab muaj feem xyuam rau siab - coj zones vim nws txhim kho lub hauv ob sab phlu.
Nws pab txhawb kev puas tsuaj tiv thaiv siab - ceev molten hlau thiab slag ntws. Nws kuj tseem txhim kho cov thermal conductivity, uas tuaj yeem txo qis hauv zos overheating thiab pab tswj kom muaj kev ruaj ntseg ua haujlwm. Tsis tas li ntawd, silicon carbide tuaj yeem txhim kho slag tiv thaiv thaum sib raug zoo nrog rau cov khoom siv refractory.
Cov txiaj ntsig no ua rau nws yog ib qho tseem ceeb raw khoom nyob rau hauv qhov chaw uas yaig, corrosion, thiab kev puas tsuaj tshwm sim nyob rau tib lub sij hawm.
Yam Kev Pabcuam Dab tsi tseem ceeb tshaj plaws
Ua ntej txiav txim siab seb qib silicon carbide twg yog qhov zoo tshaj plaws, nws yog ib qho tseem ceeb kom nkag siab tias cov txheej txheem yog dab tsi tiag tiag.
Hauv cov hlau troughs, cov teeb meem tseem ceeb feem ntau muaj xws li:
- hnyav yaig los ntawm molten hlau thiab slag ntws
- nruam abrasion los ntawm cov khoom khib nyiab thiab turbulent txav
- tshuaj tua kab mob los ntawm slag nkag
- thermal cycling thaum ua haujlwm thiab kho
Hauv blast furnace hauv ob sab phlu- hais txog cov ntawv thov, qhov xwm txheej kuj tseem muaj xws li:
- kub hloov pauv
- txo qhov cua
- alkali nres hauv qee thaj chaw
complex hnav mechanisms es tsis yooj yim tshuaj corrosion ib leeg
Vim li no, qib "zoo tshaj" silicon carbide yog ib txwm txuas rau qhov tseeb hnav mechanism.
Main Silicon Carbide Qib Options
Hauv daim ntawv thov refractory, silicon carbide feem ntau yog xaiv los ntawm qib purity, particle loj tis, thiab npaj kev pab cuam.
High -Qib Silicon Carbide
High -qib silicon carbide feem ntau muaj SiC cov ntsiab lus siab dua thiab qis dua impurity. Nws yog qhov zoo dua qhov uas cov refractory yuav tsum muaj kev ua tau zoo dua tiv thaiv kev txhoj puab heev slag, ntau dua cov qauv kev ruaj ntseg, thiab nruj dua raw khoom tswj.
Qib no feem ntau siv thaum:
- lub neej txoj sia yog qhov tseem ceeb
- corrosion thiab oxidation kuj tseem ceeb dua
- lub refractory yog tsim los rau premium blast furnace los yog khiav kev ua tau zoo
- tus neeg siv tuaj yeem pom tseeb tus nqi raw khoom ntau dua rau lub neej kev sib tw ntev
Nruab nrab-Qib Silicon Carbide
Nruab nrab- qib silicon carbide feem ntau yog qhov kev xaiv zoo rau ntau cov hlau castables. Nws muab kev hnav zoo tiv thaiv thiab siv tau slag tsis kam thaum khaws cov nqi tsim khoom raws li kev tswj hwm zoo dua.
Qib no yog tsim nyog thaum:
- yuav tsum muaj qhov sib npaug ntawm kev ua tau zoo thiab tus nqi
- cov ntaub ntawv raug kev txom nyem ntau dua los ntawm kev yaig ntau dua los ntawm kev tawm tsam tshuaj lom neeg
- tus neeg tsim khoom xav tau kev ua haujlwm ruaj khov hauv cov txheej txheem trough kev pabcuam
Tsawg-Qib Silicon Carbide
Tsawg-qib silicon carbide feem ntau yog xaiv thaum tus nqi rhiab heev thiab qhov chaw pabcuam tsis xav tau. Nws tseem tuaj yeem txhim kho kev yaig, tab sis nws qhov kev ua tau zoo nyob ntawm hom impurity, cov ntsiab lus SiC tiag tiag, thiab kev tsim qauv.
Tej zaum nws yuav haum rau:
- tsawg dua qhov hnyav hnyav
- luv dua phiaj xwm kab
- daim ntawv thov uas txo tus nqi yog qhov tseem ceeb dua li lub neej siab tshaj plaws
Txawm li cas los xij, rau qhov kev ua kom tawg loj heev los yog cov kev pab cuam hlau trough, qis- cov khoom siv qib qis feem ntau tsis yog thawj qhov kev xaiv tshwj tsis yog tias cov txheej txheem refractory tau ua tib zoo ua kom zoo nyob ib puag ncig nws.
Qib twg yog qhov zoo tshaj plaws rau cov hlau troughs
Rau kev siv hlau trough, qhov zoo tshaj plaws silicon carbide qib yog feem ntaunruab nrab mus rau qib siab, nyob ntawm seb qhov kev ua haujlwm hnyav npaum li cas.
Yog hais tias lub trough experiences:
- muaj zog molten hlau thiab slag scouring
- nquag kub hloov pauv
- siab dhau lawm
- xav tau kev pab lub neej ntev
ces siab dua -qib silicon carbide feem ntau muab kev ua tau zoo dua.
Yog tias qhov kev xav tau tseem ceeb yogtus nqi -zoo yaig kujnyob rau hauv cov txheej txheem kev khiav hauj lwm, nruab nrab - qib silicon carbide feem ntau yog qhov kev xaiv zoo tshaj plaws. Nws muaj txaus hardness thiab cov qauv kev koom tes yam tsis tau thawb raw khoom nqi siab heev.
Yog li nyob rau hauv ntau qhov chaw tsim khoom tiag tiag, qhov kev xaiv zoo tshaj plaws rau cov hlau trough refractories tsis yog qib siab tshaj plaws, tab sis cov qib uas phim cov phiaj xwm phiaj xwm phiaj xwm thiab kho lub sijhawm.
Qib twg yog qhov zoo tshaj plaws rau Blast Furnace Linings
Rau blast furnace hauv ob sab phlu-txog cov khoom refractory, cov lus teb nyob ntawm thaj tsam.
Qhov twg tshuaj tua kab mob, kev pheej hmoo oxidation, thiab kev ruaj ntseg ntev yog qhov tseem ceeb,siab - qib silicon carbidefeem ntau yog nyiam. Tsawg impurity theem pab txo cov kev xav tsis zoo thiab txhim kho qhov sib xws ntawm refractory matrix.
Rau cov cheeb tsam uas hnav dominates thiab lub refractory tsim twb muaj xws li lwm yam kev ua tau zoo - txhim khu cov ntaub ntawv raw, nruab nrab - qib silicon carbide tej zaum tseem yuav txaus.
Feem ntau, blast furnace hauv ob sab phlu daim ntaub ntawv tsis tshua muaj siab ntev ntawm cov khoom tsis ruaj khov dua li cov ntawv thov trough. Tias yog vim li cas siab dua - qib silicon carbide ntau dua yog xaiv rau qhov xav tau kev pab cuam rau qhov cub.
Vim Li Cas Purity Ib Leeg Tsis Txiav Txim Siab
Ntau tus neeg yuav khoom xav tias qhov siab tshaj SiC cov ntsiab lus tau muab qhov zoo tshaj plaws refractory tshwm sim. Hauv kev muaj tiag, kev ua tau zoo nyob ntawm ntau dua li kev coj dawb huv ib leeg.
Cov yam tseem ceeb muaj xws li:
- particle loj faib
- hom impurity, tsis yog theem impurity xwb
- compatibility nrog alumina, carbon, los yog lwm yam aggregates
- kev sib txuas lus system
- oxidation tus cwj pwm ntawm kev pabcuam kub
- tag nrho refractory formulation tsim
Ib qho zoo-tsim castable siv qhov nruab nrab zoo- qib silicon carbide tuaj yeem ua tau zoo tshaj qhov tsim qauv tsis zoo raws li cov khoom siv raw.
Vim li no, cov neeg tsim khoom siv refractory yuav tsum ntsuas silicon carbide ua ib feem ntawm tag nrho cov qauv es tsis yog cov khoom sib cais.
Yuav Ua Li Cas Xaiv Cov Qib Zoo hauv Kev Xyaum
Thaum xaiv silicon carbide rau hlau trough thiab blast furnace refractories, txoj kev ua tau zoo tshaj plaws yog los ntsuas cov ntsiab lus hauv qab no:
1. Hnav Mechanism
Yog tias qhov teeb meem tseem ceeb yog kev yaig, qhov nruab nrab - cov khoom siv qib yuav txaus. Yog hais tias corrosion thiab cov txheej txheem degradation kuj hnyav, cov khoom qib siab dua - yuav muaj kev nyab xeeb dua.
2. Yuav tsum muaj lub neej kev sib tw
Rau kev kho lub voj voog luv luv, tus nqi - cov qib nruab nrab siv tau zoo. Rau lub hom phiaj ntawm lub neej ua haujlwm ntev, siab - qib silicon carbide feem ntau muab tus nqi zoo dua.
3. Slag Chemistry
Cov xwm txheej hnyav dua slag ib txwm xav tau kom huv si thiab ruaj khov dua silicon carbide.
4. Hom Refractory
Castables, ramming mixes, thiab cov khoom zoo li tus yuav teb txawv rau tib qib SiC.
5. Tus nqi hom phiaj
Cov qib zoo tshaj plaws tsis yog qhov pheej yig tshaj los yog purest. Nws yog ib qho uas muab tus nqi zoo tshaj - kev ua tau zoo piv rau qhov kev pabcuam tiag tiag.
Ib Daim Ntawv Pom Zoo
Rau feem ntauhlau trough castables, nruab nrab - qib silicon carbide feem ntau yog qhov pib zoo tshaj plaws vim nws muab qhov sib npaug zoo ntawm kev yaig, kev coj tus cwj pwm thermal, thiab tus nqi.
Yog xav paub ntxivblast furnace hauv ob sab phlu thiab runner applications, tshwj xeeb tshaj yog qhov uas yuav tsum tau muaj lub neej kev sib tw ntev dua thiab muaj zog slag tsis kam, siab - qib silicon carbide feem ntau yog qhov kev xaiv zoo dua.
Tsawg-qib silicon carbide tseem tuaj yeem siv rau hauv cov ntawv thov xaiv, tab sis feem ntau nws zoo dua rau cov cheeb tsam tseem ceeb tsawg lossis tus nqi - tswj cov tshuab refractory.
Dab tsi cov neeg yuav khoom yuav tsum nug cov neeg muab khoom
Thaum tham txog cov qib silicon carbide nrog cov neeg muab khoom, cov lus nug tseem ceeb tshaj plaws tsis yog hais txog SiC feem pua.
Cov neeg yuav khoom yuav tsum nug txog:
- SiC cov ntsiab lus tseeb
- Fe₂O₃ thiab lwm yam impurities tseem ceeb
- particle loj sib xws
- bulk ntom
- pom zoo siv refractory
- batch stability
- kev ua tau zoo keeb kwm nyob rau hauv trough los yog furnace linings
Tus neeg muag khoom zoo yuav tsum tuaj yeem piav qhia qhov twg txhua qib ua tau zoo tshaj plaws, tsis yog tsuas yog qhia cov khoom purity siab tshaj plaws.
Xaus
Covzoo tshaj plaws silicon carbide qibrau hlau trough thiab blast furnace linings nyob ntawm qhov tseeb kev khiav hauj lwm tej yam kev mob thiab refractory tsim. Rau ntau daim ntawv thov trough, nruab nrab - qib silicon carbide muaj qhov sib npaug zoo tshaj plaws ntawm kev ua tau zoo thiab tus nqi. Rau qhov hnyav dua qhov cub tawg hauv ob sab phlu, siab -qib silicon carbide feem ntau yog qhov kev xaiv ntev dua -.
Hauv kev xaiv refractory, qhov txiaj ntsig zoo tshaj plaws feem ntau tsis yog los ntawm kev xaiv cov khoom siv kim tshaj plaws, tab sis los ntawm kev xaiv cov qib uas haum rau kev hnav khaub ncaws, lub hom phiaj kev pab cuam lub neej, thiab cov qauv tsim ntawm txoj haujlwm.
Nrhiav rau Silicon Carbide rau Refractory Siv?
Yog tias koj tab tom xaiv silicon carbide rau hlau trough castables, blast furnace linings, lossis lwm yam khoom siv refractory, qib zoo yuav tsum yog raws li kev pabcuam, tsis yog purity xwb.
Tiv tauj peb rauqib kev pom zoo, loj xaiv, thiabqhov tseeb haisrau silicon carbide siv nyob rau hauv cov ntaub ntawv refractory.
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ZhenAn yog ib lub tuam txhab tshwj xeeb hauv Metallurgical & Refractory cov khoom, koom ua ke ntau lawm, ua, muag thiab importing thiab exporting lag luam.
Peb tsom mus rau tsim ib pab neeg ua haujlwm siab tshaj plaws thoob plaws ntiaj teb. Ntawm ZhenAn, peb tau cog lus los muab cov kev daws teeb meem tiav los ntawm kev xa cov "zoo zoo & kom muaj nuj nqis" kom haum rau peb cov neeg siv khoom cov txheej txheem.
Txhua xyoo ntau lawm thiab muag ntau tshaj 150,000 tons. Peb lub Hoobkas npog thaj tsam ntawm 30,000 square metres, nws muaj cov cuab yeej tsim khoom siv niaj hnub no, ob lub hauv paus loj xws li hydro- metallurgy, ob lub chaw soj nstuam tseem ceeb thiab lub chaw soj ntsuam cov ntaub ntawv metallurgical nrog ntau tus kws tshawb fawb laus.
