Smelting ntawm siab manganese hlau tsis yog tsuas yog kub smelting, tab sis kuj smelting tej yam kev mob kuj hnyav, Fe, Si, Ai, Mn, C nyob rau hauv cov kua hlau, CaO nyob rau hauv lub slag, SiO2, FeO thiab lwm yam khoom ntawm lub qhov cub hauv ob sab phlu. erosion loj heev. Qhov no ua rau muaj qhov txo qis hauv kev pabcuam lub neej ntawm lub qhov cub hauv ob sab phlu. Lub sijhawm no siv magnesium, magnesium-aluminium lossis magnesium-chromium qhuav knotted khoom (uas feem ntau hu ua alkaline furnace lining cov ntaub ntawv), tuaj yeem daws qhov teeb meem zoo dua.
Magnesium furnace hauv ob sab phlu refractory khoom yog lub ntsiab ntawm MgO. MgO nws tus kheej yog cov khoom siv siab melting point, tib lub sijhawm MgO + (FeO, Fe2O3)=MgO.Fe2O3, MgO thiab Fe2O3 tuaj yeem ua ke rau hauv magnesia ferrite (MgO.Fe2O3), qhov sib xyaw no tuaj yeem tsim nrog Cov khoom fusion ntawm MgO, ob yam khoom yog cov khoom siv kub-kub refractory. Txhawm rau ua kom lub qhov cub hauv ob sab phlu muaj lub siab refractoriness, kom lub qhov cub hauv ob sab phlu hauv MgO kom ncav cuag qee cov ntsiab lus. Yog tias MgO cov ntsiab lus qis, Fe2O3 yuav ua haujlwm nrog CaO los tsim cov ntsiab lus qis ntawm calcium ferrate.
Nws yog alkaline ntawm qhov kub thiab txias, tsis hnov mob nrog hlau oxides xws li MnO thiab Cr2O3 nyob rau hauv cov hlau molten, thiab muaj zog tiv thaiv molten hlau yaig. Yog li ntawd, nws muaj peev xwm ua tau zoo rau kev pab cuam lub neej ntawm lub cub tawg hauv ob sab phlu Nws tuaj yeem pom tau tias kev xaiv cov khoom siv hauv cov khoom siv hluav taws xob raws li cov hlau melted xaiv. Nws tseem yuav tsum tau muab tag nrho cov kev xav rau cov muaj pes tsawg leeg ntawm slag, melting kub thiab roj theem volatilization ntawm high kub.
Qhov zoo ntawm magnesium furnace hauv ob sab phlu refractories yog: 1, tus nqi qis, 2, tsis yooj yim rau tawg, seepage thiab to ntawm cov hlau thiab lwm yam kev raug mob xws li tus nqi qis (cov kab nrib pleb uas tau hais los saum no yog cov kab nrib pleb loj. Cov kab nrib pleb me me yog alkaline qhuav knotted. cov khoom ntawm cov ntxhia qauv, tshuaj muaj pes tsawg leeg thiab knotted ntom, melting tshwm sim thiab lwm yam tshwj xeeb) 3, nyias sintered txheej, yooj yim rau dismantle lub cub tawg. 4, Tom qab ntawm cov cub tawg ntawm cov khoom siv tshuab qhuav tsis yog sintered, qis ceev, zoo dua cua sov txuag. 5, tsis muaj dej noo, thiab lwm yam .. Yog li ntawd, magnesium qhuav knotted khoom knotted rauv hauv ob sab phlu tuaj yeem siv ncaj qha yam tsis muaj ci.
Yog tias koj txaus siab rau cov khoom siv refractory, tiv tauj peb tam sim no!
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