Tun da alli yana da alaƙa mai ƙarfi tare da oxygen, sulfur, hydrogen, nitrogen da carbon a cikin narkakken ƙarfe, ana amfani da alluran siliki na siliki galibi don deoxidation, degassing da gyara sulfur a cikin narkakken ƙarfe. Calcium silicon yana samar da tasirin exothermic mai ƙarfi lokacin da aka ƙara shi zuwa narkakken ƙarfe.
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Calcium ya zama tururi na calcium a cikin narkakkar karfe, wanda ke motsa narkakkar karfe kuma yana da amfani ga shawagi na abubuwan da ba na ƙarfe ba. Bayan an deoxidized gami da siliki na siliki, an samar da abubuwan da ba na ƙarfe ba tare da ɓangarorin da suka fi girma da sauƙi don taso kan ruwa, kuma an canza siffar da kaddarorin abubuwan da ba na ƙarfe ba. Sabili da haka, ana amfani da alluran siliki na siliki don samar da ƙarfe mai tsabta, ƙarfe mai inganci tare da ƙarancin iskar oxygen da sulfur, da ƙarfe na musamman tare da ƙarancin oxygen da abun ciki na sulfur. Ƙara siliki siliki na calcium na iya kawar da matsaloli irin su nodules a bututun ƙarfe na ƙarfe ta amfani da aluminum azaman deoxidizer na ƙarshe, da toshe bututun tundish a ci gaba da simintin ƙarfe | yin baƙin ƙarfe.
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A waje-tanderu tace fasahar karfe, calcium silicate foda ko core waya da ake amfani da deoxidation da desulfurization don rage oxygen da sulfur abun ciki a cikin karfe zuwa low matakan; Hakanan yana iya sarrafa nau'in sulfide a cikin ƙarfe da haɓaka ƙimar amfani da calcium. A cikin samar da baƙin ƙarfe na simintin gyare-gyare, ban da deoxidizing da tsarkakewa, calcium silicon alloy kuma yana taka rawa mai girma, yana taimakawa wajen samar da graphite mai kyau ko mai siffar zobe; yana iya rarraba graphite daidai gwargwado a cikin baƙin ƙarfe simintin launin toka kuma yana rage halayen fari; yana iya ƙara silicon da desulfurize , inganta ingancin simintin ƙarfe.
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