Ferrosilicon alloy
1. Cov ntsiab lus
Ferrosilicon (FESI) yog ib qho alloy ntawm hlau thiab silicon, feem ntau muaj15% mus rau 90% silicon, nrog cov seem yog hlau thiab me me ntawm lwm cov ntsiab xws li txhuas, calcium, thiab carbon. Nws yog feem ntau siv raws li adeoxidizerthiabAlloying Tus Neeg Sawv CevNyob rau hauv steelmaking thiab cam khwb cia hlau ntau lawm.
2. Cov Txheej Txheem Ntau Lawm
Ferrosilicon yog tsim nyob rau hauvSubmerged Arc RauvLos ntawm txo qis silica (sitio₂) nrog coke (carbon) nyob rau hauv muaj hlau (seem lossis hlau ore). Qhov tseem ceeb tshuaj lom neeg yog:
+2 C + Fe → fesi +2 Co
- Cov Khoom Siv Raw:Quartz (silica), coke / coke / thee (cov pa roj carbon), thiab cov khoom siv hlau (seem, lossis hlau ore).
- Zog cua ua kom muaj zog:Yuav tsum tau8,000-9,000 kWh ib tujntawm Fesi.
- Cov Qib:Cov qib kawm muaj xws liFesi45, fesi65, fesi75, thiab fesi90(Tus lej qhia txog% silicon).
3. Cov ntawv thov tseem ceeb
- Kev lag luam hlau (cov neeg siv khoom loj - ~ 75% ntawm kev thov):
Deoxidizer:Tshem tawm oxygen los ntawm Molten Steel los tiv thaiv Porosity.
Alloying Tus Neeg Sawv Cev:Txhim kho lub zog, corrosion tsis kam, thiab cov khoom sib nqus.
- CIA MARK NTAU LAWM:Txhim kho cov fluidity, hardness, thiab cua sov ua kom tsis kam.
- Magnesium ntau lawm (Fesi75):Siv nyob rau hauvTxheej Txheemlos ua cov hlau magnesium.
- Lwm Yam Siv:
Kev Tsim Txaj Semiconductor(Siab - purity fesi).
Vuam cov hluav taws xob.
Hydrogen tiam(reacts nrog naoh tsim cov lus H₂).
4. Kev lag luam hauv ntiaj teb
- Cov neeg tsim khoom sab saum toj (2023):
Phiaj suav(Cov neeg tsim khoom loj tshaj plaws, ~ 60% ntawm cov vis sab hauv).
Russia, Norway, Brazil, Is Nrias teb, thiab Malaysia.
- Thov tsav tsheb:Kev loj hlob steel, tshwj xeeb tshaj yog nyob rau hauv Asia.
- Nqe yam:
Silicon thiab cov nqi hluav taws xob(Zog -} cua ntau lawm).
Kev Siv Hlau Hlau(txuas rau kev tsim kho thiab tsheb tshuab).
Kev Lag Luam Kev Lag Luam(Tuam Tshoj cov kev txwv xa tawm cuam tshuam rau cov khoom hluav taws thoob ntiaj teb).
5. Cov kev sib tw & yav tom ntej saib xyuas
- Cov Kev Cai Ib puag ncig:Cov txheej txheem stricter emissions (koom los ntawm smelting).
- Cov nqi zog:Kev siv hluav taws xob siab siv cuam tshuam cov txiaj ntsig.
- Hloov chaw:Calcium silicon (Casi) thiab Aluminium (AL) hauv qee cov ntawv thov.
- Kev Loj Hlob:
Cov kauj ruam ntsuab hlau(Tsawg -} cov roj carbon monoxide fesi).
Kev nthuav dav nyob rau hauv kev lag luam tawm(Is Nrias teb, Southeast Asia).
Tag
Ferrosilicon tseem atseem ceeb heev alloyHauv metallurgy, nrog kev thov kom zoo khi rau kev lag luam steel. Thaum Tuam Tshoj ua kev tsim khoom, nce lub zog hluav taws xob thiab kev txhawj xeeb ib puag ncig yog thawb kev txhim kho tshiab rauNtau Cov Qauv Siv Kev Nyab XeebCov. Kev ua lag luam yuav tsum tau loj hlob muaj me ntsis, uas tau tsav los ntawm kev tsim kho vaj tse thiab kev xav tau Automotive hauv kev tsim kev lag luam.
