Nyob rau hauv cov hlau tsis-ferrous smelting sector, sab-blown rauv yog ib tug raug smelting ntaus ntawv uas yog ua hauj lwm ntau heev. Kev xaiv thiab kev siv cov ntaub ntawv refractories yog qhov tseem ceeb nyob rau hauv lub qhov cub tawg ntawm cov txheej txheem melting. Lub neej kev pab cuam thiab melting efficiency ntawm lub cub tawg tuaj yeem lav nrog kev siv cov khoom tsim nyog refractory. Yog tias tsis yog, nws tuaj yeem ua mob rau lub qhov cub lossis muaj cov nyhuv melting tsis zoo.
Rau sab cua tshuab cua sov, cov ntaub ntawv refractories nrog cov ntsiab lus siab alumina, corundum, thiab mullite feem ntau siv. Cov ntaub ntawv refractories tuaj yeem tiv taus cov kev xav tau ua haujlwm ntawm cov cua tshuab sab nraud thiab ua kom pom qhov ua tau zoo ntawm qhov kub thiab txias, tiv thaiv corrosion, thiab thermal shock resistance.
Alumina yog lub hauv paus tseem ceeb ntawm cov khoom siv refractory hu ua corundum, uas muaj lub siab refractoriness thiab corrosion kuj. Cov khoom siv corundum refractory tuaj yeem tiv taus qhov kev yaig ntawm cov hlau kub kub thiab cov slag thaum lub sij hawm lub tshuab hluav taws xob cov txheej txheem melting, ua kom cov txheej txheem melting.
Mullite yog qhov tseem ceeb ntawm cov khoom siv mullite refractory, uas muaj qhov ua tau zoo ntawm qhov kub thiab txias. Mullite refractory cov ntaub ntawv tuaj yeem tiv taus qhov yaig ntawm qhov kub-kub slag thiab hlau thaum lub sij hawm sab-blown rauv txheej txheem melting, ua rau lub cub tawg qhov kev pab cuam lub neej thiab melting efficiency.
Thaum xaiv cov ntaub ntawv refractories rau sab-blown rauv, yam xws li cov khoom siv, kev siv ib puag ncig, thiab tus nqi yuav tsum tau txiav txim siab raws li qhov ua haujlwm tiag tiag thiab xav tau. Piv txwv li, rau kev ua hauj lwm nrog kub thiab siab corrosion, nws yog ib qhov tsim nyog los xaiv corundum los yog mullite refractories cov ntaub ntawv uas muaj siab refractoriness thiab corrosion kuj; rau qhov chaw uas yuav tsum tau tiv thaiv thermal shock, nws yog ib qho tsim nyog yuav tau xaiv cov ntaub ntawv refractory nrog thermal poob siab zoo heev.
Hauv luv luv, kev xaiv thiab siv cov khoom siv hluav taws xob refractory rau cov hluav taws xob sab nraud cuam tshuam ncaj qha rau kev pab cuam lub neej thiab cov nyhuv melting ntawm lub cub tawg. Yog li ntawd, hauv kev tsim khoom tiag tiag, nws yog ib qho tsim nyog los xaiv cov khoom siv refractory tsim nyog raws li qhov xwm txheej tiag tiag, thiab ntxiv dag zog rau kev saib xyuas thiab hloov cov ntaub ntawv kom ntseeg tau tias kev ua haujlwm ib txwm muaj thiab kev ua haujlwm ntawm lub tshuab hluav taws xob sab nraud.
