Khoom Description
Ferrosiliconundoubtedly plays lub luag haujlwm tseem ceeb, uas tuaj yeem ua kom pom tseeb los ntawm ntau yam.
Ua ntej, nws ua lub luag haujlwm tseem ceeb ua tus deoxidizer thiab alloying tus neeg sawv cev hauv cov txheej txheem steelmaking. Qhov kawg theem ntawm steelmaking yuav deoxidation, uas yog ib qho tseem ceeb los xyuas kom meej cov tshuaj tsim nyog hlau thiab cov hlau zoo. Kev xaiv cov deoxidizers tsim nyog yog qhov tseem ceeb heev. Thiab ferrosilicon, nrog nws cov tshuaj muaj zog affinity ntawm silicon thiab oxygen, tau dhau los ua deoxidizer muaj zog heev hauv steelmaking, uas tuaj yeem siv rau nag lossis daus thiab diffusion deoxidation. Los ntawm cov nyhuv deoxidation ntawm ferrosilicon, cov pa oxygen hauv cov kua hlau tuaj yeem raug tshem tawm zoo, tso lub hauv paus ruaj khov rau cov hlau zoo.
Ntxiv mus, nws kuj ua tau zoo heev raws li tus neeg sawv cev alloying. Thaum peb ntxiv ib qho nyiaj ntawm silicon rau hlau, nws tuaj yeem ua rau muaj kev cuam tshuam loj heev. Nws tuaj yeem txhim kho lub zog ntawm cov hlau, ua rau nws tawv dua; tuaj yeem ua kom cov tawv tawv ntawm cov hlau, ua rau nws muaj kev hnav zoo dua thiab compressive zog; Nyob rau tib lub sijhawm, nws tuaj yeem txhim kho elasticity ntawm cov hlau, muab kev lees paub rau qee cov hlau uas xav tau cov khoom elastic. Yog li ntawd, nyob rau hauv smelting ntawm ntau hom hlau xws li structural steel (muaj 0). (muaj 40-2.8% SiO), thiab silicon steel rau transformers (muaj 2.81-4.8% silicon), silicon hlau yog siv los ua ib qho tseem ceeb alloying tus neeg sawv cev yam tsis muaj kev zam.
Nyob rau hauv cov nqe lus ntawm deoxygenation
Lub caij no, daim ntawv thov ntawm ferrosilicon kuj coj ntau lwm yam txiaj ntsig. Nws tuaj yeem txhim kho morphology ntawm kev suav nrog, ua rau lawv zoo dua thiab sib npaug sib npaug hauv cov hlau, yog li txo qis cov teebmeem ntawm kev ua haujlwm steel. Nws kuj tseem tuaj yeem txo cov ntsiab lus ntawm cov ntsiab lus roj hauv cov kua hlau, ntxiv kev txhim kho cov purity thiab zoo ntawm cov hlau. Kev siv cov thev naus laus zis no tuaj yeem tsis tsuas yog txhim kho cov hlau zoo, tab sis kuj tseem ua tiav cov hom phiaj xws li txo cov nqi thiab txuag hlau, ua rau nws muaj txiaj ntsig zoo heev hauv kev lag luam steelmaking.
Ntawm cov ntawv tshwj xeeb, ferrosilicon ua tau zoo tshwj xeeb hauv cov ntsiab lus ntawm deoxidation yuav tsum tau ua rau cov hlau tsis tu ncua. Kev xyaum tau ua pov thawj tias ferrosilicon tsis tsuas yog ua tau raws li qhov yuav tsum tau ua ntawm deoxidation hauv steelmaking, tab sis kuj muaj desulfurization kev ua tau zoo. Tsis tas li ntawd, nws kuj muaj qhov tshwj xeeb zoo xws li qhov siab ceev thiab muaj zog nkag mus. Qhov no txhais tau hais tias ferrosilicon tuaj yeem ua lub luag haujlwm hauv qhov tob thiab ua haujlwm zoo hauv cov txheej txheem steelmaking, kom ntseeg tau tias deoxidation thiab desulfurization cuam tshuam ntawm cov hlau molten ncav cuag lub xeev zoo.
tiv tauj
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