Silicon slag yog ib yam khoom los ntawm kev tsim cov ferrosilicon lossis silicon hlau, thiab feem ntau muaj qee yam ntawm silicon, hlau, carbon thiab impurities. Txij li thaum nws muaj pes tsawg leeg tseem muaj qib siab ntawm silicon, silicon slag yog dav siv hauv metallurgical thiab foundry industries, feem ntau yog deoxidizer los yog ib qho ntxiv rau cov ntaub ntawv alloy.
silicon slag lub ntsiab Cheebtsam
Qhov tseeb muaj pes tsawg leeg ntawm silica slag nyob ntawm cov txheej txheem thiab cov khoom siv raw siv hauv kev tsim cov ferrosilicon lossis silicon hlau, tab sis cov khoom tseem ceeb suav nrog:
- Silicon (Si): cov ntsiab lus feem ntau yog li ntawm 20% mus rau 60%, cov ntsiab lus siab dua ntawm silicon slag tuaj yeem siv los hloov cov khoom siv silicon.
- Hlau (Fe): muaj qee yam hlau, feem ntau yog los ntawm cov txheej txheem smelting ntawm ferrosilicon residual muaj pes tsawg leeg.
- Cov pa roj carbon (C): Tej zaum yuav muaj cov pa roj carbon tsawg tsawg los ntawm cov txheej txheem smelting.
- Lwm yam impurities: xws li calcium oxide (CaO), magnesium oxide (MgO), phosphorus, sulfur thiab lwm yam impurities.
silicon slag cov khoom tseem ceeb
1. Cov khoom siv tshuaj:
- Silicon slag muaj cov ntsiab lus siab ntawm silicon, tseem muaj lub zog txo qis, thiab tuaj yeem ua rau cov pa oxygen hauv cov hlau los tsim cov silica slag.
- Nyob rau hauv tus txheej txheem ntawm kev siv, lub reactivity ntawm silica slag yog zoo dua, thiab nws muaj peev xwm deoxidize zoo los yog koom nyob rau hauv cov txheej txheem alloying.
2. Lub cev muaj zog:
- Silica slag feem ntau yog lumpy lossis powdery, tsaus xim thiab nyuaj rau kev ntxhib los mos.
- Vim tias nws yog cov khoom lag luam ntawm smelting, daim ntawv tsis sib xws thiab cov particle loj sib txawv.
silicon slag siv lub ntsiab
1. Deoxidizer hauv steelmaking:
- Silicon slag yog dav siv los ua deoxidizer hauv cov txheej txheem steelmaking. Silicon hauv silicon slag tuaj yeem ua ke nrog cov pa oxygen hauv cov hlau molten los tsim silicon dioxide, yog li txo cov pa oxygen hauv cov hlau molten. Piv nrog rau lwm cov deoxidizers, silica slag yog ib qho kev xaiv zoo, tshwj xeeb tshaj yog tsim rau steel ntau lawm nrog qis mus rau nruab nrab cov kev cai.
2. Inoculant nyob rau hauv casting:
- Silica slag tuaj yeem siv los ua tus nqi qis hauv cov txheej txheem casting. Nws tuaj yeem txhim kho cov graphite morphology hauv cam khwb cia hlau, ua kom zoo dua cov nplej, thiab txhim kho cov khoom siv ntawm cov hlau, tshwj xeeb tshaj yog nyob rau hauv kev tsim cov hlau cam khwb cia zoo tib yam, silicon slag tuaj yeem ua nws lub luag haujlwm zoo.
3. Alloy additives:
- Silicon slag kuj tseem siv tau los ua ib qho ntxiv hauv kev tsim cov khoom siv qis qis. Los ntawm kev ntxiv silicon slag rau cov hlau molten, muaj pes tsawg leeg ntawm cov hlau tuaj yeem txhim kho thiab cov nqi tsim khoom txo.
4. Lwm yam raw khoom rau kev tsim cov hlau silicon:
- Silica slag kuj tseem siv tau los ua lwm yam khoom siv raw hauv kev tsim cov hlau silicon, tshwj xeeb tshaj yog thaum cov khoom siv raw cov nqi siab, kev siv cov silica slag tuaj yeem txo cov nqi tsim khoom.
5. Lwm yam kev siv:
- Silicon dregs kuj tuaj yeem siv rau hauv kev tsim cov ferrosilicon lossis lwm yam khoom siv hlau, lossis siv los txhim kho cov av, tshwj xeeb tshaj yog nyob rau qee cov av tsis muaj menyuam, muaj cov silicon tuaj yeem txhim kho cov av zoo thiab txhawb kev loj hlob ntawm cov nroj tsuag.
tiv tauj peb
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