Qib siab alumina cib feem ntau yog xa mus rau cov nplaim hluav taws kub nrog Al2O3 cov ntsiab lus siab dua 48%. Lawv feem ntau yog siv ntuj bauxite clinker ua raw khoom, ntxiv cov av nplaum los yog ib nrab mos ua tus sawv cev khi, npaj cov slurry, thiab ua kom zoo thiab qhuav. , Rhuav ib yam ntawm cov nplaim hluav taws. Kev ua kom tsis zoo ntawm tus mob txog 1770 degrees Celsius, thiab qhov hnyav ua kom sov yog 1420 ° C-1550 ° C. Nws tsuas yog siv rau sab hauv ntawm lub qhov cub tawg, qhov cub tawg tawg, hluav taws xob saum lub qhov cub, lub qhov cub tawg, lub qhov cub tawg rov qab, thiab lub qhov cub tawg.
Raws li cov ntsiab lus sib txawv ntawm Al2O3, nws tuaj yeem faib ua peb qib (Al2O3 cov ntsiab lus ntawm 48%thiab 60%) thiab qib thib ob (Al2O3 cov ntsiab lus ntawm 48%thiab 60%) 60%). %-75%) thawj chav kawm qib siab alumina cib (Al2O3 cov ntsiab lus siab dua 75%) ultra high alumina cib (Al2O3 siab dua 80%), raws li cov tshuaj muaj pes tsawg leeg tuaj yeem faib ua mullite qis, mullite, mullite- Corundum zoo, corundum mullite zoo thiab corundum zoo.
Cov yam ntxwv ntawm qib siab alumina cib:
1. Kub siab softening kub. Vim tias muaj cov ntsiab lus siab ntawm Al2O3 hauv cov khoom siv aluminium siab, cov ntsiab lus ntawm cov khoom tsis huv yog qis, thiab qhov muag muag kub hauv qab yog siab, xws li ntawm 1420 ° C txog 1550 ° C. Txawm li cas los xij, txij li mullite muaju tsis tsim cov qauv network, qhov kub muag muag hauv qab thauj khoom tseem tsis siab npaum li cov cib silica.
2. Anti-slag yam. High alumina cib muaj ntau dua Al2O3, uas yog nyob ze rau cov khoom siv hluav taws xob nruab nrab, yog li nws tuaj yeem tiv taus qhov yaig ntawm cov kua qaub slag thiab alkaline slag. Vim tias nws tseem muaj SiO2, lub peev xwm los tiv thaiv alkaline slag tsis muaj zog dua li cov kua qaub slag. .
3. Refractoriness. Qhov hluav taws kub tsis kam ntawm nws yog siab dua li cov av nplaum cib thiab ib nrab pob zeb silica, mus txog 1750 ~ 1790 ℃, uas yog cov khoom siv hluav taws xob.
