Ferrosilicon yɛ aduru a wɔde dade ne silicon ayɛ, na ɛyɛ ade titiriw a ɛboa a wɔde di dwuma kɛse wɔ dade adwumayɛ mu.
I. Nneɛma a Ɛho Hia
Ɛda adi sɛ akuru tuntum a ɛyɛ fitaa-a ɛwɔ ntwemu-afã a ɛyɛ torotoro na ɛyɛ dade hyerɛn, a ɛda denden ne nea ɛyɛ mmerɛw adi.
With a melting point of approximately 1300-1400℃, ɛwɔ ahoɔden a ɛtew so ne alloying nsunsuanso a eye kyɛn so.
Wɔkyekyɛ grades a wɔtaa de di dwuma no mu sɛnea silicon dodow te, te sɛ 75# (72%-80% Si), 80# (78%-85% Si), ne 90# (85%-92% Si).
II. Botae Titiriw
Ferrosilicon yi oxygen ne sulfur efĩ fi dade a wɔabɔ mu yiye bere a ɛma dade nneɛma ahoɔden, ɛyɛ den, ne nea ɛko tia sɛ ɛbɛsɛe no yɛ kɛse, na ɛma wɔtoo no abodin "mfiridwuma mu vitamin" a wɔde yɛ dade.
Wɔde nneɛma a wɔde yɛ adwuma te sɛ silica ɔbo ne dade a wɔde ahyɛ mu (anaasɛ dade a wɔabubu) na ɛyɛ denam ɔhyew a ɛkorɔn-a wɔde hyɛ anyinam ahoɔden fononoo mu. Adeyɛ no ho akokwaw na wɔde di dwuma kɛse wɔ nsenia mu.
III. Ferrosilicon a Wɔyɛ no Nneɛma a Wɔde Yɛ Adwuma
Silicon Fibea:Silica ɔboɔ ne ade titire a wɔde yɛ nneɛma a ɛma silicon, ɛhia sɛ SiO2 dodoɔ a ɛwɔ mu no yɛ kɛseɛ sene anaa ɛyɛ pɛ 97% a efĩ sua (aluminum, calcium, magnesium, ne nea ɛkeka ho).
Dade Fibea Nneɛma a Wɔde Yɛ Nneɛma:Iron ore concentrate anaa scrap steel ma dade, na ɛne silicon bom yɛ alloy no.
Nneɛma a Ɛtew So:Carbon nneɛma titiriw tew silicon a efi quartzite mu wɔ ɔhyew a ɛkɔ soro mu. Nneɛma a wɔtaa ka bom no bi ne coke (fixed carbon>=85%) + fango (ɛma reaction activity yɛ kɛse).
Fluorspar: 1 .Wɔde ka ho kakraa bi (1%-3% wɔ nneɛma a wɔde yɛ adwuma nyinaa mu) sɛ nsuo a ɛkɔ fam de brɛ slag melting point ase, ma slag nsuo tu mpɔn, na ɛma slag yiyi yɛ mmerɛ.
Lime: 1 .Wɔde ka ho sɛnea ɛho hia na ama wɔasesa slag alkalinity, atew silicon volatilization a ɛyera so, na ama ahoɔden a ɛsan ba no ayɛ kɛse.
