Nyob rau hauv cov txheej txheem statmaking,75% ferrosiliconyog ib qho tseem ceeb heev alloy, ua lag luam ntau txoj haujlwm tseem ceeb. Nws cov khoom sib xyaw tshwj xeeb thiab cov khoom ua rau nws muaj cov khoom siv tsis tau rau kev txhim kho cov khoom siv hlau zoo, thiab ua kom cov khoom lag luam kawg tau raws cov qauv kev lag luam.
Ferrosilicon 75% yog ib qhoFerro Silicon AlloyNrog kwv yees li 75% silicon, cov khoom seem uas tseem ceeb tshaj plaws. Txhawm rau kom tau raws li cov txheej txheem siab ntawm cov steelmaking, cov ntsiab lus ntawm kab kawm xws li carbon, leej faj, thiab phosphorus yog tswj hwm nruj me ntsis. Hauv kev siv txhua hnub, 75% FESI tau muab faib ua ntau yam kev qhia tshwj xeeb raws cov ntsiab lus los ntawm cov qauv txheej, tsawg cov ntsiab lus, thiab cov kab txhab cov sulfur. Tsis tas li ntawd, 75% Ferro Silic Silicon kuj tseem tau sib txuas los ntawm qhov loj me, suav nrog cov khoom ntuj, cov pob txha ua tiav, granules, thiab hmoov. Cov ntsiab lus txhua tus cuam tshuam rau cov txiaj ntsig ntawm ferrosilicon hauv steelmaking steelmaking.
Tseem ceeb tshaj plaws hauv steelmaking
1. Deoxidation: Ua kom muaj kev coj dawb huv
Oxygen yog lub ntuj ntawm kev ua haujlwm ntawm cov txheej txheem statmaking. Nws muaj nyob hauv Molten Steel tuaj yeem ua rau tsis xws luag xws li porosity thiab brittleness. 75}) feri) yog lub haib deoxidizer. Nws reacyacts nrog oxygen los ua silicon dioxide (sio₂), uas ntab rau saum npoo ntawm molten hlau li slag. Lub shell yog yooj yim tshem tawm, txo qis cov pa oxygen hauv cov hlau. Piv nrog rau lwm tus deoxidizers, 75% ferrosilicon muaj ntau dua thiab kev daws teeb meem, ua kom muaj kev ncaj ncees ntawm cov hlau.
2. Kev Pab Cuam: Txhim Kho Cov Kho Tshuab
Ntxiv nrog rau deoxidation, 75 ferrosilicon yog ib qho tseem ceeb ua ntej tus neeg sawv cev. Thaum ntxiv rau Molten hlau, nws nce cov ntsiab lus silicon, yog li txhim kho cov ntsiab lus tseem ceeb xws li tensile lub zog, hardness, thiab corrosion tsis kam. Silicon kuj tseem txhim kho cov khoom sib nqus ntawm cov hlau, ua rau nws haum rau cov hluav taws xob hloov pauv thiab cov tsheb thauj khoom. Kev tswj kev ntxiv ntawm 75% Ferrro silicon tso cai rau steelmakers rau tailor lub alloy muaj pes tsawg leeg rau cov kev xav tau kawg.
3. Txhim Kho Cov Khoom Casting
Thaum lub sij hawm ua txheej txheem casting, Nws tseem txhim kho cov kua ntawm cov hlau Molten, kom ua tau zoo dua pwm txhaws thiab txhim kho saum npoo ntawm cov casting. Qhov no yog tau txais txiaj ntsig tshwj xeeb thaum ua cov txheej txheem steel hlau, qhov twg precision thiab sib xws yog qhov tseem ceeb.
Qhov cuam tshuam ntawm ntau qhov sib txawv ntawm steelmaking
Qhov loj ntawm Ferrro silicon 75% yog qhov tseem ceeb ncaj qha cuam tshuam nws cov kev ua tau zoo thiab kev ua tau zoo hauv cov txheej txheem statmaking. Los ntawm hmoov zoo kom coarse lumps, txhua qhov loj me ntau muaj cov txiaj ntsig zoo thiab kev saib xyuas, cuam tshuam rau txhua yam ntawm kev tiv thaiv kinetics rau cov nqi kev ua haujlwm.
1. Nplua-grained (feem ntau tsawg dua 1 hli)
75% nplua-nplej zom ua ferrosiliconyog tus cwj pwm los ntawm nws qhov chaw loj thaj chaw txheeb ze rau ntim, uas nrawm nws cov tshuaj tiv thaiv nrog cov hlau molten. Cov khoom zoo tawg yooj yim hauv cov hlau molten, kom ua rau muaj kev sib chwv nrog pa thiab lwm yam kev tsis txaus ntseeg, ua rau muaj kev ua kom huv ntxiv thiab kev sib dhos. Txawm li cas los xij, nws me me loj nce kev pheej hmoo ntawm cov plua plav ntawm lub sijhawm thaum tuav kev pheej hmoo thiab kev thauj mus los, uas tsis yog ua rau muaj kev noj qab haus huv. Tsis tas li ntawd, yog tias tsis tswj tau kom zoo, nws cov hlau loj tuaj yeem ua rau cov txheej txheem molming thiab yuav tsum tau kho kom haum rau kom tswj tau cov kev ua tau zoo.
2. Nruab nrab-grained (1 hli - 10 hli)
Nruab nrab-grained ferrosilicon alloy 75%Ntaus kev sib npaug ntawm reactivity thiab ua kev ua haujlwm, ua rau nws feem ntau siv loj hauv kev tsim cov hlau. Nws txoj kev tswj hwm thaj tsam thaj tsam chaw tswj hwm tus nqi tshuaj tiv thaiv thiab kev sib cais yam tsis muaj teeb meem huab lossis muaj plua plav cuam tshuam nrog cov nplej zoo.
3. Cov ntxhib-grained (feem ntau loj dua 10 hli)
Ntxhib-lebed fesi alloy 75%Muaj qhov qis dua thaj chaw thiab, yog li ntawd, tus nqi txo qis. Qhov no ua rau nws haum rau cov ntawv thov uas xav tau kev sib chwv nrog Molten hlau, xws li Ladle Refining. Tus nqi txo qis qis rau kev tswj hwm cov ntsiab lus silicon hauv cov hlau, txo qis kev pheej hmoo ntawm kev hloov pauv tau zoo. Txawm li cas los xij, nws tus nqi qis qeeb tsub ua lub sijhawm ua tiav, uas tej zaum yuav tsis zoo rau cov kev ua haujlwm loj steelmaking. Tsis tas li ntawd, ntxhib hais yuav tsis disperse tusyees hauv Molten hlau, uas, yog tias tsis ua rau cov chaw ua haujlwm tsis tiav deoxidation lossis kev sib dhos.
Qhov loj tshaj plaws ntawm 75% FESI alloy nyob ntawm cov txheej txheem statmaking tshwj xeeb thiab cov txiaj ntsig xav tau:
Txog kev ceev hluav taws xob arc race kev ua haujlwm uas deoxidation sai yog qhov tseem ceeb, zoo nkauj ferrosilicon yog qhov zoo tshaj plaws, txuas nrog plua plav plua plav.
Rau converter thiab nruam casting cov txheej txheem, nruab nrab-grained ferrro silic silic yog zoo tagnrho rau kev tswj kom muaj txiaj ntsig zoo thiab ua haujlwm zoo.
Rau ladle refining thiab cov ntawv thov yuav tsum muaj kev tswj hwm meej, ntxhib-growed 75% ferrosilicon yog qhov kev xaiv zoo dua qub, txawm hais tias lub sijhawm ua tau zoo dua qub.
Qhov cuam tshuam ntawm cov sib xyaw sib txawv variants ntawm 75% ferrosilicon ntawm steelmaking steelmaking
Ntxiv rau qhov loj me, cov tshuaj lom neeg muaj pes tsawg leeg ntawm 75% ferrosilicon-tshwj xeeb kev sib txawv xws li txhuas, thiab leej faj-muaj qhov cuam tshuam loj ntawm nws cov khoom siv statmaking. Txhua customized variant tau raws li cov kev ua tau zoo, ua kom cov neeg tua hluav taws xob ua rau cov qib thiab tshuaj lom neeg.
1. Cov Qauv Qeb Kawm
Qib-qib 75% ferrosilicon tswj cov qib uas tus neeg uas tus neeg uas tus kab mob uas raug cai (1.0-2.0), carbon (0.2-0.5%), thiab leej faj (<0.05%). This variant is the workhorse of general steel production, balancing cost and performance in mainstream applications.
Tus Qauv Qeb Ferrosilicon yog tus nqi-ua tau zoo thiab haum rau cov qib ntau vim tias nws tso cai rau ntau qib ntawm cov nqi impurity. Txawm li cas los xij, nws yuav tsis tau raws li txoj hlua khi ntawm txoj cai ntawm cov hlau tshwj xeeb, xws li cov uas siv hauv kev siv hauv tsheb lossis aerospace.
2. Tsawg-txhuas (cov ntsiab lus txhuas<0.5%)
Tsawg-aluminium ferrosilicon 75%yog tsim rau cov hlau uas yuav tsum muaj kev txwv tsis pub muaj kev suav nrog. Thaum txhuas yog cov deoxidization muaj zog, nws tsim nyuaj txhuas oxide (alideoce) suav, uas tuaj yeem cuam tshuam rau cov ntawv thov xws li txias-dov steel phaj lossis precision Cheebtsam.
3. Cov pa roj carbon tsawg (cov ntsiab lus carbon<0.1%)
Tsawg cov pa roj carbon ferrosilicon 75%yog qhov tseem ceeb rau kev tsim cov roj carbon thiab cov roj carbon tsawg, xws li cov neeg siv hauv kav, thiab siab-zog qes-alloy (hsla) hlau. Txawm tias cov pa roj carbon ntau me me kom cov hlau lub hardness tab sis txo nws txoj kev tsis txaus ntseeg hauv cov ntawv thov thiab cuam tshuam tsis kam.
4. Tsawg Sulphur (Cov Neeg Sulfur Cov Ntsiab Lus<0.02%)
Sulphur yog qhov cuam tshuam loj hauv cov hlau, sib sau ua ke hlau sulfide (fes), uas tuaj yeem ua rau kub brittleness-tawg thaum lub sijhawm rolling lossis forging. Yog li ntawd, qis sulfur ferrosilicon 75% yog qhov tseem ceeb rau cov hlau uas yuav tsum tau tiv thaiv kom muaj tsheb ntau, thiab cov hlau sib dhos rau qhov chaw kub-ib puag ncig.
Daim Ntawv Thov Txiav Txim
1. Tshuaj Ntsuam Xyuas
Tus nqi ntawm 75 # ferrosilicon ntxiv rau Molten hlau yuav tsum nruj me ntsis tswj kom tsis txhob muaj ntau yam ntawm cov ris tsho sib txawv, uas tuaj yeem ua rau cov steel nku me. Cov neeg tsim qauv ua kom haum suav cov suav raws li thawj zaug muaj pes tsawg leeg ntawm Molten Steel thiab qhov xav tau kawg cov khoom.
2. Sij hawm ntxiv
Ferrosilicon 75 feem ntau ntxiv rau cov kauj ruam statmaking, tom qab pib deoxidation nrog lwm cov tshuaj ntxiv xws li txhuas. Qhov no ua kom pom tseeb ntawm kev siv nyiaj zoo tshaj plaws ntawm cov alloy thiab tiv thaiv tsis tsim nyog silicon poob vim muaj lwm yam kev tawm tsam.
3. Kev tuav thiab cia
Zoo li lwm tus ferroalloys, 75 qib ferrosilicon yuav tsum tau muab cia rau hauv ib puag ncig qhuav los tiv thaiv oxidation. Yuav tsum tau muab cov khoom siv ua kom zoo yuav tsum tau siv kom tsis txhob nqus plua plav, ua kom cov hmoov av uas silicon tuaj yeem ua rau kev noj qab haus huv.
75% ferrosilicon yog lub hauv paus ntawm cov hlau nplaum tshiab, muab cov txiaj ntsig tsis zoo nyob rau hauv deoxidation, kev siv, thiab ua pov. Nws lub peev xwm los txhim kho cov hlau zoo thaum tswj hwm tus nqi-ua tau zoo ua rau nws xaiv qhov kev xaiv tshwj xeeb rau cov neeg dav hlau thoob ntiaj teb. Los ntawm kev nkag siab nws cov khoom thiab cov ntawv thov, cov kws tshaj lij, cov txheej txheem kev lag luam tuaj yeem ua kom tau cov kev lag luam zoo uas tau tsim kev lag luam los ntawm kev tsim kho tsheb.
Raws li kev tsim cov hlau txuas ntxiv mus hloov zuj zus, tsom mus rau kev ruaj khov thiab ua haujlwm tau ua kom muaj kev ntseeg siab thiab ua kom muaj kev ntseeg tau ntawm cov khoom lag luam steel.
