1. Cov Khoom Siv Khoom Siv thiab Cov Qauv
Silicon Carbide Graphite Crucible yog kho kom zoo li cov ntaub ntawv xws li graphite thiab silicon carbide los ntawm cov txheej txheem nyuaj, sib txuas lawv cov khoom tau zoo. Cov khoom tseem ceeb ntawm Graphite suav nrog:
Hluav taws xob thiab cua sov condality: graphite muaj cov hluav taws xob zoo thiab thermal ua haujlwm, pub rau nws mus hloov cua sov sai.
Tshuaj lom neeg ruaj khov: Graphite tseem nyob ruaj khov thiab tiv thaiv cov tshuaj lom neeg feem ntau acidic thiab alkaline ib puag ncig.
Kev kub siab kuj: Graphite tuaj yeem tswj cov qauv txheej txheem rau ib puag ncig ntev uas tsis muaj kev hloov pauv ntawm kev siv hluav taws xob lossis kev sib zog.
Cov khoom tseem ceeb ntawm silicon carbide suav nrog:
Mechanical zog: silicon carbide muaj siab tawv thiab tshuab zog, thiab tiv taus cov kev hnav txhua yam thiab cuam tshuam.
Corrosion Kuj: Cov khoom pov thawj pom zoo heev corrosion ua rau muaj kev kub ntxhov thiab kev ua kom haum.
Thermal Stability: Silicon Carbide tuaj yeem tswj cov tshuaj nyob ruaj khov thiab cov khoom siv lub cev nyob hauv ib puag ncig kub.
Kev sib xyaw ntawm cov ob cov ntaub ntawv tsimSilicon Carbide Graphite CrucibleS, uas muaj qhov kub ua kom tsis kam, zoo heev thermal conductivity thiab cov tshuaj zoo heev, ua rau lawv zoo tagnrho rau cov kev siv kub siab.
2. Tshuaj lom neeg thiab endothermic mechanism
Silicon Carbide Graphite Crucible Undergoes muaj cov tshuaj lom neeg ntawm cov tshuaj lom neeg nyob rau hauv qhov kev kub siab ib puag ncig, uas tsis yog tsuas yog ua kom muaj qhov tseem ceeb ntawm nws qhov kev ua tau kub. Cov tshuaj tiv thaiv loj heev muaj xws li:
Redox cov tshuaj tiv thaiv: cov hlau oxide reacts nrog tus neeg sawv cev txo tus neeg sawv cev (xws li carbon) hauv crucible) nyob rau hauv Crucible, tso ntau npaum li cas ntawm tshav kub. Piv txwv li, hlau oxide reacts nrog carbon ua tshuaj hlau thiab carbon dioxide:
Fe2O3 + 3CLuam dej →2Fe + 3CO
Cov cua sov tso tawm los ntawm cov tshuaj no yog nqus los ntawm Crucible, tsa nws qhov kub txhua yam.
Pyrolysis tiv thaiv: ntawm kev ntsuas kub, qee yam tshuaj lom neeg uas dhau los ua cov kev cuam tshuam uas tau tsim cov lwg me me thiab tso tawm thaum tshav kub me. Piv txwv li, cov calcium carbonate decomposes ntawm qhov kub siab los tsim cov roj hauv calcium oxide thiab carbon dioxide:
CaCo3Luam dej →CAO + CO2
Qhov kev tawm tsam pyrolysis no tseem tso tawm thaum tshav kub kub, uas yog nqus los ntawm Crucible.
Cov kev hloov pauv: Cov pa dej nthuav tawm nrog cov pa roj carbon thaum muaj kev kub siab los ua hydrogen thiab carbon monoxide:
H2O + CLuam dej →H2 + CO
Cov cua sov tso tawm los ntawm cov tshuaj tiv thaiv no tseem siv los ntawm tus ntoo khaub zig.
Cov cua sov tsim los ntawm cov tshuaj lom neeg yog ib qho tseem ceebSilicon Carbide Graphite Crucible Txhawm rau nqus cua sov, tso cai rau nws kom nqus tau zoo thiab hloov hluav taws xob tshav kub thaum lub sijhawm ua cua sov.
peb. Hauv kev tsom xam ntawm kev ua haujlwm
Tus txheej txheem ua hauj lwm ntawmSilicon Carbide Graphite Crucible Tsis yog tsuas yog tso siab rau cov yam ntxwv lub cev ntawm cov khoom, tab sis kuj tso siab loj ntawm kev siv hluav taws kub zoo los ntawm kev siv tshuaj lom neeg. Cov txheej txheem tshwj xeeb yog raws li hauv qab no:
Cua sov Crucible: Qhov chaw tshav kub tshav kub kub lub crucible, thiab graphite carbide cov ntaub ntawv sab hauv sai sai nqus tau cua sov thiab ncav cuag siab kub.
Tshuaj lom zem ovothermic: ntawm cov tshuaj lom neeg ntau, xws li redox refactions, tso tawm ntau npaum li cas ntawm lub zog cua sov, uas yog nqus tau cov khoom crucible.
Thermal conductivity: vim muaj cov cua sov zoo heev ntawm graphite, cov cua sov nyob rau hauv cov khoom crucible yog sai sai ua rau cov khoom hauv Crucible, ua rau nws qhov kub kom nce sai.
Nruam cov cua sov: raws li cov tshuaj tiv thaiv tshuaj tshiab txuas ntxiv thiab cov cua sab nraud ntxiv mus, cov ntoo khaub thuas tuaj yeem tswj hwm qhov kub thiab cua sov rau cov ntaub ntawv hauv crucible.
Qhov kev siv kub ua kom sov thiab cua sov siv hluav taws xob ua kom muaj kev ua haujlwm zoo dua ntawmSilicon Carbide Graphite Crucible Nyob rau hauv cov kev mob siab. Cov txheej txheem no tsis yog txhim kho kev ua kom sov ntawm cov Crucibicy ntawm Crucible ntawm Crucible, tab sis kuj ua kom muaj zog poob zog, ua rau nws ua tshwj xeeb zoo hauv kev lag luam.
Plaub. Cov Kev Siv Cov Ntawv Thov Tshiab thiab Kev Txhim Kho Kom Zoo
Kev ua tau zoo tshaj plaws ntawmSilicon Carbide Graphite Crucible Hauv cov ntawv thov tswv yim feem ntau yog nyob hauv nws cov kev siv cov khoom siv thermal thiab cov khoom ruaj khov. Cov hauv qab no yog qee cov ntawv thov tshiab thiab yav tom ntej kev ua kom zoo tshaj plaws:
High-teas hlau smelting: nyob rau hauv tus txheej txheem ntawm high-kub hlau smelting,Silicon Carbide Graphite Crucible tuaj yeem txhim kho lub smelting ceev thiab zoo. Piv txwv li, nyob rau hauv smelting ntawm cam khwb cia hlau, tooj liab, txhuas thiab lwm yam khoom siv cermal, kom muaj kev nyab xeeb thiab kev nyab xeeb thiab kev nyab xeeb ntawm cov txheej txheem smelting.
Kev kub-ntsuas kub cov neeg xav txog ntshauv:Silicon Carbide Graphite Crucible Yuav siv tau ua lub thawv zoo tagnrho rau cov tshuaj tiv thaiv kub siab. Piv txwv li, hauv kev lag luam tshuaj, qee qhov kev kub ntxhov siab yuav tsum muaj cov khoom ruaj khov thiab xeb-tiv taus nkoj, thiab cov yam ntxwv ntawmSilicon Carbide Graphite Crucibles tag nrho cov cai no.
Kev tsim kho cov ntaub ntawv tshiab: hauv kev tshawb fawb thiab kev txhim kho cov ntaub ntawv tshiab,Silicon Carbide Graphite Crucible Yuav siv tau raws li cov cuab yeej yooj yim rau kev kub kub ua thiab hluavtaws. Nws cov kev ua tau ruaj khov thiab cov thermal ruaj khov kho muab ib puag ncig kev sim zoo tshaj plaws thiab txhawb kev txhim kho cov ntaub ntawv tshiab.
Zog-txuag thiab emission-txo cov thev naus laus zis: los ntawm kev tsim kho cov tshuaj tiv thaiv kev siv tshuaj ntawm lubSilicon Carbide Graphite Crucible, nws cov cua sov ua tau zoo tuaj yeem txhim kho ntxiv thiab siv hluav taws xob txo. Piv txwv li, kev qhia ntawm catalysts rau hauv Crucible tau kawm rau kev txhim kho kev ua haujlwm ntawm redebature, yog li txo cov cua sov thiab kev siv hluav taws xob.
Cov ntaub ntawv sib xyaw thiab kev hloov kho: sib txuas nrog lwm cov ntaub ntawv ua haujlwm siab, xws li ntxiv cov kab ke sib xyaw ua ke lossis muaj zog txhim kho cov cua sov ua kom tsis kamSilicon Carbide Graphite Crucibles. Ib qho ntxiv, los ntawm kev hloov kho cov txheej txheem xws li cov txheej txheem txheej hauv npoo av, cov thrucion ua hauj lwm zoo ntawm cov crucible tuaj yeem txhim kho ntxiv.
5. Xaus thiab Yav Tom Ntej Prospections
Endothermic lub ntsiab lus ntawmSilicon Carbide Graphite Crucible Yog qhov siv tau ntawm lub zog thaum tshav kub kub raws nws cov khoom siv thiab tshuaj lom neeg. Nkag siab thiab ua kom zoo dua cov ntsiab cai no yog qhov tseem ceeb rau kev txhim kho kev ua haujlwm thiab cov khoom siv kev tshawb fawb. Yav tom ntej, nrog kev nce qib nruam kev siv thev naus laus zis thiab kev txhim kho kev txuas ntxiv ntawm cov ntaub ntawv tshiab,Silicon Carbide Graphite CrucibleS yuav tsum tau ua ib lub luag haujlwm tseem ceeb hauv cov teb kub ntau.
Los ntawm kev hloov kho lub tswv yim tshiab thiab ua kom zoo dua,Silicon Carbide Graphite Crucible Yuav txuas ntxiv txhim kho nws cov kev ua tau zoo thiab tsav kev txhim kho kev lag luam ntsig txog kev lag luam. Nyob rau hauv high-kub hlau smelting, siab-ntsuas tshuaj lom neeg, thiab cov khoom tsim tshiab,Silicon Carbide Graphite Crucible yuav dhau los ua ib qho cuab yeej tsis tseem ceeb, pab cov kev tshawb fawb niaj hnub thiab kev tshawb fawb ncav cuag qhov siab tshiab.
Lub Sijhawm Post: Jun-11-2024