Ferrosiliconntau lawm yog ua tiav los ntawm smelting ib tug sib tov ntawm silicon ore thiab hlau ore. Cov kauj ruam tseem ceeb muaj xws li ore pretreatment, smelting thiab txias, solidification thiab crushing. Cov hauv qab no yog cov lus qhia ntxaws ntxaws rau cov txheej txheem tsim khoom ntawm ferrosilicon:
Ore pretreatment
Lub ntsiab raw khoom ntawm ferrosilicon yog silicon ore thiab hlau ore. Cov khoom siv raw no feem ntau yuav tsum dhau los ntawm qee cov txheej txheem ua ntej txhawm rau txhim kho kev ua haujlwm thiab cov khoom tsim tawm ntawm cov txheej txheem smelting. Pretreatment muaj cov kauj ruam hauv qab no:
Crushing thiab sib tsoo:Cov silicon ore thiab hlau ore yog crushed los ntawm crushers thiab grinders kom lawv cov particle loj haum rau tom qab sib tov thiab smelting txheej txheem.
Kev sib xyaw:Sib tov silicon ore thiab hlau ore nyob rau hauv ib qho kev faib ua feem los xyuas kom meej cov zoo tagnrho tshuaj muaj pes tsawg leeg thiab melting yam ntxwv thaum lub sij hawm smelting txheej txheem.
Smelting thiab txias
Cov txheej txheem smelting yog ib kauj ruam tseem ceeb hauv kev tsim cov ferrosilicon thiab feem ntau yog ua nyob rau hauv hluav taws xob arc rauv los yog blast furnace. Cov furnaces no tuaj yeem muab qhov kub thiab txias thiab qhov chaw tsim nyog kom yaj cov ore sib tov. Cov kauj ruam tshwj xeeb suav nrog:
Kev Thauj Khoom: Thauj cov khoom ua ntej silicon ore thiab hlau ore sib tov rau hauv qhov cub smelting.
Cua sov thiab melting: Qhov kub nyob rau hauv lub cub tawg yog nce mus rau theem siab txaus los ntawm hluav taws xob arc los yog lwm yam cua sov txoj kev kom yaj tag nrho cov ferrosilicon raw cov ntaub ntawv rau hauv kua.
Kev tswj cov tshuaj tiv thaiv: Tswj cov dej ntws thiab cov concentration ntawm oxygen thiab lwm cov tshuaj tiv thaiv gases los tswj cov tshuaj tiv thaiv thiab cov txheej txheem melting hauv lub cub tawg.
Solidification thiab crushing
Thaum cov sib tov yog yaj mus rau hauv cov kua ferrosilicon, nws yuav tsum tau txias mus rau ib tug ruaj khov lub xeev thiab ua tiav:
Casting: Ncuav cov kua ferrosilicon rau hauv pwm lossis lwm yam khoom siv cua txias uas tsim nyog, kom nws maj mam txias thiab khov rau hauv qhov thaiv lossis granular ferrosilicon.
Crushing thiab muab qhab nia: Cov txias ferrosilicon blocks los yog cov khoom yog mechanically crushed kom tau cov particle loj thiab particle loj uas ua tau raws li kev ua lag luam.
Kev ua thiab ntim khoom
Tom qab ua tiav thiab ntim khoom, cov khoom ferrosilicon kawg tuaj yeem muag ncaj qha rau steel mills lossis lwm yam kev lag luam uas xav tau. Kev ua tiav suav nrog kev ntxuav saum npoo, ntim thiab sau ntawv kom paub meej qhov zoo thiab kev nyab xeeb ntawm cov khoom.
Feem ntau, cov txheej txheem tsim khoom ntawm ferrosilicon suav nrog ntau cov txheej txheem thiab kev tswj xyuas nruj kom ntseeg tau tias cov khoom kawg ua tau raws li cov kev cai thiab cov qauv ib puag ncig rau ntau yam kev lag luam.
