Hauv cov xwm txheej kev tsim khoom lag luam, kev thauj mus los ntawm cov kav dej yog qhov txuas tseem ceeb kom ntseeg tau tias cov txheej txheem du, tab sis cov teeb meem xws li kev hnav, xeb, thiab kub siab feem ntau ua rau cov kav dej "corrosive", uas tsis yog tsuas yog ua rau cov nqi kho xwb tab sis kuj tseem yuav cuam tshuam rau kev ua haujlwm ntawm cov khoom. Niaj hnub no, cov khoom siv hu ua "silicon carbide ceramic pem teb"tab tom dhau los ua tus "tus saib xyuas nyuaj" ntawm cov kav dej kev lag luam vim nws cov khoom tshwj xeeb.
Tej zaum ib txhia neeg yuav xav paub txog seb silicon carbide ceramic lining yog dab tsi? Hais yooj yim xwb, nws yog ib daim ceramic lining ua los ntawm silicon carbide ua cov khoom siv tseem ceeb thiab ua tiav los ntawm cov txheej txheem tshwj xeeb, uas tuaj yeem lo rau phab ntsa sab hauv ntawm cov kav hlau, tsim ib txheej "armor tiv thaiv". Tsis zoo li cov hlau lossis yas linings, cov yam ntxwv ntawm silicon carbide ceramics lawv tus kheej muab cov txheej "armor" no uas cov khoom siv ib txwm tsis tuaj yeem sib piv.
Ua ntej, nws "lub peev xwm tiv thaiv kev hnav" yog qhov tshwj xeeb tshaj yog. Thaum thauj cov khoom siv uas muaj cov khoom tawv xws li cov hlau ore slurry, thee hmoov, thiab cov khib nyiab pov tseg, phab ntsa sab hauv ntawm cov kav dej ib txwm yooj yim raug cov khoom tawg thiab ua nyias dua. Txawm li cas los xij, qhov nyuaj ntawm silicon carbide ceramics yog qhov siab heev, thib ob tsuas yog pob zeb diamond, uas tuaj yeem yooj yim tiv taus kev sib txhuam thiab kev cuam tshuam ntawm cov khoom tawg, ua rau lub neej ua haujlwm ntawm cov kav dej ntev dua. Ntau lub tuam txhab uas tau siv nws tau tshaj tawm tias tom qab kev teeb tsa silicon carbide ceramic lining, lub voj voog hloov pauv kav dej tau ntev dua ntau zaus piv rau yav dhau los, thiab qhov zaus txij nkawm tau txo qis heev.
Qhov thib ob, nws tuaj yeem yooj yim daws cov teeb meem ntawm kev xeb thiab kub siab. Hauv kev lag luam xws li tshuaj lom neeg thiab hlau, cov khoom nruab nrab thauj los ntawm cov kav dej feem ntau muaj cov tshuaj corrosive xws li cov kua qaub thiab alkaline, thiab kuj tseem yuav nyob rau hauv qhov chaw kub siab. Cov ntaub ntawv ib txwm yooj yim corroded lossis deformed vim qhov kub siab. Silicon carbide ceramics muaj kev ruaj khov tshuaj zoo heev, tsis ntshai acid thiab alkali corrosion, thiab tuaj yeem tswj tau kev ua haujlwm ruaj khov ntawm qhov kub siab ntawm ntau pua degrees Celsius. Txawm tias nyob rau hauv cov xwm txheej ua haujlwm hnyav rau lub sijhawm ntev, lawv tuaj yeem tswj tau cov txiaj ntsig zoo tiv thaiv.
Qhov tseem ceeb tshaj, daim ntaub no kuj sib npaug rau kev siv tau yooj yim thiab kev txuag nyiaj. Nws qhov hnyav yog qhov sib dua, uas yuav tsis coj ntau lub nra hnyav rau cov kav dej. Cov txheej txheem teeb tsa kuj yooj yim heev, thiab tsis tas yuav hloov kho qhov tseem ceeb rau cov qauv kav dej qub. Txawm hais tias kev nqis peev thawj zaug siab dua li ntawm cov ntaub ib txwm muaj, thaum kawg, nws lub neej ua haujlwm ntev thiab cov nqi kho qis heev tuaj yeem txuag tau ntau cov nuj nqis rau cov lag luam, ua rau nws tsim nyog dua.
Niaj hnub nim no, nrog rau qhov kev thov kom muaj kev ntseeg siab thiab kev lag luam ntawm cov khoom siv hauv kev lag luam, silicon carbide ceramic lining maj mam siv dav hauv kev tsuas, tshuaj lom neeg, fais fab thiab lwm yam teb. Nws tsis muaj cov hauv paus ntsiab lus nyuaj lossis cov haujlwm zoo nkauj, tab sis nrog kev ua tau zoo, nws daws qhov teeb meem "laus thiab nyuaj" ntawm cov kav dej kev lag luam, ua ib qho kev pab tseem ceeb rau cov tuam txhab kom txo cov nqi, nce kev ua haujlwm, thiab xyuas kom muaj kev ruaj khov ntawm kev tsim khoom. Yav tom ntej, nrog rau kev txhim kho tas mus li ntawm thev naus laus zis, nws ntseeg tias 'cov khoom siv tiv thaiv nyuaj' no yuav ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv kev txhim kho kev lag luam.
Lub sijhawm tshaj tawm: Lub Yim Hli-29-2025