Khoom Description
Ferrosilicon yog cov hlau thiab silicon uas tau siv dav hauv ntau yam lag luam, xws li steelmaking, casting, thiab vuam. Nws muaj ntau cov kab mob uas tuaj yeem cuam tshuam rau nws lub cev thiab tshuaj lom neeg. Hauv tsab xov xwm no, peb yuav tham txog qhov sib txawv ntawm cov kab ke ntawm ferrosilicon thiab lawv qhov cuam tshuam rau nws qhov zoo.
Ib qho ntawm cov kab tseem ceeb tshaj plaws hauv ferrosilicon yog aluminium. Aluminium feem ntau yog ntxiv rau cov hlau ua deoxidizer, kom tshem tawm cov pa oxygen thiab leej faj ntxiv ntawm cov hlau. Tus nqi ntawm txhuas hauv ferrosilicon tuaj yeem sib txawv ntawm 0.1% mus rau 2.5%, nyob ntawm seb cov ntawv thov tshwj xeeb. Cov ntsiab lus aluminium siab tuaj yeem txhim kho qhov fluidity ntawm cov hlau, ua kom yooj yim rau cov ncuav thiab cam khwb cia. Txawm li cas los xij, ntau dhau ntawm txhuas tuaj yeem ua rau tsim cov nkig intermetallic tebchaw, uas tuaj yeem ua rau lub zog tag nrho ntawm cov hlau tsis muaj zog.
Lwm lub caij hauv ferrosilicon yog calcium. Calcium ntxiv los txo cov hlau oxide hauv cov hlau, uas tuaj yeem txhim kho nws cov slag tsis kam thiab txo cov impurities. Cov ntsiab lus ntawm calcium nyob rau hauv ferrosilicon yog nyob ib ncig ntawm 1.5%, txawm hais tias qhov no tuaj yeem sib txawv nyob ntawm kev siv. Calcium ntau dhau tuaj yeem ua rau cov hlau tsis yooj yim rau nrum, vim nws tuaj yeem txo nws cov fluidity thiab nce nws cov viscosity.
Silicon yog qhov tseem ceeb ntawm ferrosilicon, thiab nws cov concentration tuaj yeem nyob ntawm 75% txog 95% hauv cov ntawv thov raug. Cov ntsiab lus silicon siab dua tuaj yeem ua rau muaj zog dua, ruaj khov alloys uas zoo dua rau cov ntawv thov kub. Txawm li cas los xij, ntau dhau ntawm silicon tuaj yeem ua rau cov hlau nplaum ntau dua thiab ua rau tawg lossis tawg hauv kev ntxhov siab.
Lwm cov ntsiab lus tseem ceeb hauv ferrosilicon muaj xws li carbon, sulfur, thiab phosphorus. Cov pa roj carbon ntxiv los txhim kho lub zog ntawm cov hlau thiab tuaj yeem muaj nyob rau hauv cov concentrations xws li 0.1% mus rau 3%. Sulfur thiab phosphorus yog impurities uas yuav tsum tau ua tib zoo tswj kom tsis txhob muaj kev cuam tshuam rau cov hlau alloy lub zog thiab kav ntev. High sulfur lossis phosphorus cov ntsiab lus tuaj yeem ua rau cov hlau nplaum ntau dua thiab ua rau corrosion.
Ntxiv nrog rau cov kab no, muaj ob peb lwm yam uas tuaj yeem cuam tshuam qhov zoo thiab cov khoom ntawm ferrosilicon. Cov no suav nrog qhov loj me thiab cov duab ntawm cov hlau, nrog rau muaj cov impurities xws li manganese, titanium, thiab vanadium. Cov ntsiab lus no feem ntau muaj nyob rau hauv me me, tab sis lawv tuaj yeem cuam tshuam rau lub cev thiab tshuaj lom neeg ntawm cov hlau.
Txawm hais tias qhov nyuaj ntawm ferrosilicon thiab nws cov kab sib txawv, nws tseem yog cov khoom siv ntau yam thiab muaj txiaj ntsig hauv ntau cov txheej txheem kev lag luam. Nws cov kav ntev, lub zog, thiab kev tiv thaiv corrosion ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev siv ntau yam kev siv, los ntawm kev tsim kho thiab kev tsim kho rau lub zog thiab kev thauj mus los. Los ntawm kev ua tib zoo tswj qhov sib txawv ntawm cov kab sib txawv, cov tuam ntxhab tuaj yeem tsim cov alloys uas tsim los rau cov haujlwm tshwj xeeb, ua kom muaj kev ua haujlwm siab tshaj plaws thiab kev ua haujlwm zoo hauv ntau yam kev siv.
Hauv kev xaus, muaj ntau qhov sib txawv hauv cov kab ke ntawm ferrosilicon uas tuaj yeem muaj kev cuam tshuam loj rau nws qhov zoo thiab cov khoom. Los ntawm txhuas thiab calcium rau carbon, sulfur, thiab phosphorus, txhua lub ntsiab lus ua lub luag haujlwm tshwj xeeb hauv kev txiav txim siab lub zog, ruaj khov, thiab lwm yam tseem ceeb ntawm cov hlau. Los ntawm kev ua tib zoo tswj cov muaj pes tsawg leeg ntawm ferrosilicon thiab xaiv txoj kev sib xyaw ua ke ntawm cov kab lus, cov tuam ntxhab tuaj yeem tsim cov alloys uas zoo tagnrho rau kev siv hauv ntau hom kev lag luam.
Khoom ntsiab lus
| Ferro silicon code | Tshuaj muaj pes tsawg leeg (%) | |||||
|---|---|---|---|---|---|---|
| Si | Mn | Cr | C | P | S | |
| FeSi75A | 74.0-80.0 | Tsawg dua lossis sib npaug rau 0.4 | Tsawg dua lossis sib npaug rau 0.3 | Tsawg dua los yog sib npaug rau 0.1 | Tsawg dua lossis sib npaug rau 0.035 | Tsawg dua lossis sib npaug rau 0.02 |
| FeSi75B | 72.0-80.0 | Tsawg dua lossis sib npaug rau 0.4 | Tsawg dua lossis sib npaug rau 0.3 | Tsawg dua los yog sib npaug rau 0.1 | Tsawg dua lossis sib npaug rau 0.04 | Tsawg dua lossis sib npaug rau 0.02 |
| FeSi75C ua | 70.0-80.0 | Tsawg dua lossis sib npaug rau 0.5 | Tsawg dua lossis sib npaug rau 0.5 | Tsawg dua lossis sib npaug rau 0.2 | Tsawg dua lossis sib npaug rau 0.04 | Tsawg dua lossis sib npaug rau 0.02 |
| FeSi65 | 65.0-72.0 | Tsawg dua lossis sib npaug rau 0.6 | Tsawg dua lossis sib npaug rau 0.5 | Tsawg dua lossis sib npaug rau 0.2 | Tsawg dua lossis sib npaug rau 0.04 | Tsawg dua lossis sib npaug rau 0.02 |
FAQ
Q: Koj puas yog lub tuam txhab lag luam lossis lub Hoobkas?
A: Peb yog cov chaw lag luam thiab kev lag luam, nyob hauv Anyang City, Henan Province.
Q: Peb puas tuaj yeem tuaj xyuas koj lub tuam txhab?
A: Tseeb, txais tos txhua lub sijhawm, pom yog kev ntseeg.
Q: Koj lub sijhawm ua haujlwm yog dab tsi?
A: Feem ntau nws xav tau li ntawm 15- 20 hnub tom qab tau txais PO.
Tiv tauj peb
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