Hauv kev tsim cov txheej txheem kub siab hauv kev lag luam, cov ntaub ntawv rwb thaiv tsev tau hloov pauv ntau heev - los ntawm kev rwb thaiv tsev pob zeb (kev rwb thaiv tsev pob zeb) mus rau cov fiber ceramic refractory. Thaum xub thawj siab ib muag, qhov no yuav zoo li yog kev hloov kho khoom yooj yim. Txawm li cas los xij, los ntawm kev xav txog kev tsim khoom siv, qhov kev hloov pauv no qhia txog kev nce qib tas mus li hauv cov txheej txheem khoom siv raw, cov thev naus laus zis tsim khoom, thiab kev tswj hwm microstructural.
Qhov kev hloov pauv no tau ua rau cov khoom siv rwb thaiv tsev kub siab txav mus los ntawm qhov kub ntawm ntau pua degrees Celsius mus rau siab dua 1000 ° C, txhawb nqa kev tsim cov cub tawg kev lag luam, cov khoom siv kho cua sov, thiab cov tshuab hlau uas ua haujlwm ntawm qhov kub siab dua nrog kev ua haujlwm thermal zoo dua.
Kev Hloov Pauv ntawm Cov Khoom Siv Raw: Los ntawm Cov Khoom Siv Ntuj Mus Rau Cov Oxides Uas Tsim Los
CCEWOOL® Cov ntaub thaiv cua sov pob zeb, feem ntau hu ua pob zeb wool rwb thaiv tsev, yog ib feem ntawm tsev neeg ntawm cov khoom siv fiber ntau. Nws cov khoom siv raw tseem ceeb muaj cov txheej txheem ntuj tsim xws li basalt, limestone, thiab blast furnace slag. Thaum lub sijhawm tsim khoom, cov zaub mov no tau yaj thiab tom qab ntawd hloov mus ua cov qauv fibrous los ntawm kev sib hloov ceev lossis tshuab cua.
Hauv cov qauv ib txwm muaj, cov khoom siv pob zeb muaj ntau dua 70% cov pob zeb ntuj tsim, nrog rau qhov seem yog los ntawm slag thiab lwm yam khoom siv ntxiv rau hauv av. Cov khoom siv raw no muaj ob yam ntxwv tseem ceeb:
- Cov tshuaj lom neeg sib xyaw ua ke nrog cov qib tsis huv siab
- Ib qho qauv mineral uas muaj calcium-magnesium silicate systems tswj hwm
Yog li ntawd, txawm hais tias cov rwb thaiv tsev pob zeb muaj kev tiv thaiv hluav taws zoo thiab kev ua haujlwm rwb thaiv tsev kub, nws cov qauv khoom maj mam mos thaum kub siab. Hauv feem ntau qhov chaw ua haujlwm, qhov kub ua haujlwm ruaj khov ntev ntawm cov rwb thaiv tsev pob zeb feem ntau tseem nyob hauv qhov ntau ntawm 700–850 ° C.
Raws li cov txheej txheem kev lag luam txuas ntxiv xav tau qhov kub siab dua, cov txheej txheem ntuj tsim no maj mam tsis txaus rau cov chaw ua haujlwm thermal uas xav tau ntau dua.
Kev qhia txogCCEWOOL® refractory ceramic fibertau cim qhov kev hloov pauv loj hauv cov khoom siv rwb thaiv tsev raw-cov khoom siv. Tsis zoo li cov pob zeb rwb thaiv tsev, cov khoom siv refractory ceramic fiber feem ntau yog tsim los ntawm cov alumina siab-purity (Al₂O₃) thiab silica (SiO₂).
Lub tshuab oxide no muaj cov ntsiab lus yaj siab dua thiab muaj kev ruaj khov tshuaj zoo dua. Yog li ntawd, cov ntaub ntawv rwb thaiv tsev refractory ceramic fiber tuaj yeem ua haujlwm tau zoo hauv qhov chaw siab tshaj 1000 ° C thiab txawm tias ze li ntawm 1400 ° C, nyob ntawm qhov kub ntawm cov khoom.
Los ntawm qhov pom ntawm kev tsim khoom siv, qhov kev hloov pauv no sawv cev rau kev hloov pauv ntawm cov txheej txheem ntuj tsim mus rau cov txheej txheem khoom siv uas muaj cov tshuaj lom neeg tswj tau zoo.
Kev Nce Qib Hauv Kev Siv Tshuab Tsim Khoom: Los Ntawm Kev Siv Cov Khoom Siv Mineral Fiberization Mus Rau Kev Siv Tshuab Fiber Melt Fiber Uas Kub Heev
Kev hloov pauv hauv cov txheej txheem raw khoom kuj tau tsav kev nce qib hauv cov thev naus laus zis tsim khoom.
Cov txheej txheem tsim cov khoom siv rwb thaiv tsev los ntawm cov pob zeb tseem tab tom loj hlob sai heev. Cov kauj ruam tseem ceeb feem ntau suav nrog:
- Cov pob zeb thiab cov khoom siv slag yaj ntawm kwv yees li 1500–1600 ° C
- Hloov cov khoom siv molten mus rau hauv cov fibers los ntawm kev siv high-speed spinning discs lossis cua tshuab
- Txias thiab sau cov fibers los ua cov ntaub pua plag rwb thaiv tsev zoo li cov plaub mos mos
Txawm hais tias cov txheej txheem no ua rau muaj kev tsim khoom loj, cov fibers uas tshwm sim feem ntau yog coarser hauv txoj kab uas hla, thiab qhov sib xws ntawm cov qauv fiber tuaj yeem txwv.
Qhov sib txawv, kev tsim cov khoom siv refractory ceramic fiber xav tau qhov kub siab dua thiab cov khoom siv ua tiav ntau dua.
Hauv kev tsim khoom lag luam, cov khoom siv alumina thiab silica raw yog yaj ntawm qhov kub ze li ntawm 2000 ° C, tom qab ntawd cov khoom siv molten yog hloov mus ua cov fibers los ntawm kev kub ceev centrifugal spinning lossis blowing txheej txheem.
Txoj kev tsim khoom no ua rau muaj kev tsim cov fibers nrog:
- Cov fiber me dua
- Cov khoom siv huv si dua
- Cov tes hauj lwm fiber ntau sib xws
Cov yam ntxwv no ua rau muaj ntau qhov zoo ntawm kev ua tau zoo rau cov khoom siv refractory ceramic fiber, suav nrog:
- Kev ua kom sov qis dua
- Kev ywj pheej ntau dua
- Kev tiv thaiv thermal zoo heev
Cov khoom no yog qhov tseem ceeb rau cov tshuab ua kom sov niaj hnub uas ua haujlwm nyob rau hauv cov xwm txheej kub heev.
Kev Muaj Peev Xwm Kub Ntxiv: Cov Khoom Siv Txhais Cov Kev Txwv Kub
Lub peev xwm kub ntawm cov ntaub ntawv rwb thaiv tsev yog qhov tseem ceeb txiav txim siab los ntawm cov tshuaj lom neeg sib xyaw thiab kev ruaj khov ntawm microstructural.
Cov qauv fiber ntawm cov pob zeb wool rwb thaiv tsev yog ua raws li cov iav silicate uas muaj ntau yam sib xyaw. Thaum kub siab, cov qauv no maj mam mos thiab hloov pauv cov qauv. Yog li ntawd, cov pob zeb wool rwb thaiv tsev feem ntau siv rau hauv kev tsim cov tshuab tiv thaiv hluav taws thiab cov ntawv thov rwb thaiv tsev kub nruab nrab.
Piv txwv li, hauv kev siv tiv thaiv hluav taws hauv tsev, cov rwb thaiv tsev pob zeb tuaj yeem tiv taus hluav taws kub tshaj 1000 ° C yam tsis muaj kev kub hnyiab, ua rau nws siv dav hauv cov txheej txheem tiv thaiv hluav taws tsis siv neeg.
Txawm li cas los xij, rau cov chaw ua haujlwm uas xav tau kev ua haujlwm kub ntev, cov khoom siv pob zeb muaj cov kev txwv.
Los ntawm qhov sib piv, cov ntaub ntawv refractory ceramic fiber yog raws li lub kaw lus alumina-silica oxide uas yaj tau zoo. Los ntawm kev ua kom zoo ntawm cov khoom siv raw purity thiab kev tswj hwm microstructural, cov txheej txheem crystallization ntawm qhov kub siab tuaj yeem raug ncua sijhawm zoo, ua rau cov qauv fiber kom tswj tau qhov ruaj khov nyob rau hauv cov xwm txheej kub hnyav.
Yog li ntawd, cov ntaub ntawv rwb thaiv tsev refractory ceramic fiber feem ntau muaj qhov kub thiab txias ntawm 1100 ° C txog 1430 ° C, uas tso cai rau lawv siv dav hauv cov ntawv thov xws li:
- Cov cub tawg ua kom sov dua
- Cov khoom siv kho cua sov
- Petrochemical cracking furnaces
- Cov cub tawg kub kub
Hauv cov kab ke no, cov khoom siv hluav taws xob ceramic fiber rwb thaiv tsev tsis yog tsuas yog txo qhov hnyav ntawm lub qhov cub xwb tab sis kuj tseem txo qis qhov poob cua sov.
Lub Tswv Yim Tseeb Tom Qab Kev Hloov Pauv ntawm Cov Khoom Siv Rwb Thaiv Kub Siab
Kev hloov pauv los ntawmCCEWOOL® cov ntaub thaiv cua sov pob zeb (kev rwb thaiv tsev pob zeb) rauCCEWOOL® refractory ceramic fibertsis yog tsuas yog ib qho teeb meem ntawm kev hloov ib yam khoom nrog lwm yam. Tiam sis, nws qhia txog kev nce qib tas mus li ntawm kev tsim khoom siv kub siab.
Lub hauv paus tseem ceeb, qhov kev hloov pauv no yog tsav los ntawm peb qhov kev txhim kho tseem ceeb: kev hloov pauv ntawm cov khoom siv raw los ntawm cov khoom siv ntuj tsim mus rau cov oxides engineered purity siab, kev nce qib ntawm cov thev naus laus zis tsim khoom los ntawm kev siv cov khoom siv fiber ntau mus rau kev tsim cov fiber ntau kub, thiab kev tswj hwm cov khoom siv microstructure los ntawm kev sib xyaw thiab kev ua kom zoo dua.
Ua ke, cov kev txhim kho thev naus laus zis no tau ua rau cov ntaub ntawv rwb thaiv tsev tuaj yeem nthuav lawv lub peev xwm kub ntawm ntau pua degrees Celsius mus rau saum 1000 ° C. Qhov kev nce qib no tau txhawb nqa kev ua haujlwm ntawm cov hlau niaj hnub, kev kho cua sov, thiab cov txheej txheem petrochemical uas xav tau kev ua haujlwm thermal thiab kev siv hluav taws xob ntau dua.
Thaum kawg, kev tsim cov khoom siv rwb thaiv tsev kub tsis yog tsuas yog kev hloov pauv hauv daim ntawv khoom xwb, tab sis qhov tshwm sim ntawm kev nce qib tas mus li hauv kev ua kom huv ntawm cov khoom siv raw, kev tsim khoom siv, thiab kev tsim kho me me.
Lub sijhawm tshaj tawm: Lub Peb Hlis-16-2026
