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Phau ntawv qhia dav no tshawb txog lub ntiaj teb ntawm hlau deoxidizers, piav qhia lawv txoj haujlwm, hom, kev siv, thiab yuav ua li cas xaiv qhov tsim nyog rau koj cov kev xav tau tshwj xeeb. Peb mam li npog txhua yam los ntawm lub hauv paus chemistry mus rau cov tswv yim txiav txim siab rau ntau yam kev lag luam. Kawm paub yuav ua li cas tshem tawm cov pa oxygen los ntawm koj cov txheej txheem hlau thiab txhim kho qhov zoo thiab ua haujlwm ntawm koj txoj haujlwm.
A hlau deoxidizer yog ib yam khoom ntxiv rau molten hlau kom tshem tawm cov pa oxygen. Cov pa oxygen hauv cov hlau molten tuaj yeem ua rau ntau yam teeb meem, suav nrog kev tsim cov oxides uas ua rau cov hlau tsis muaj zog thiab ua rau cov porosity thiab tsis zoo hauv cov khoom kawg. Hlau deoxidizers hnov mob nrog cov pa oxygen, ua kom ruaj khov, tshem tau yooj yim oxide los yog slag, ua rau cov hlau huv, muaj zog dua. Qhov kev xaiv ntawm hlau deoxidizer nyob ntawm qhov tshwj xeeb hlau ua tiav, qhov xav tau qib ntawm deoxidation, thiab tag nrho cov nqi-zoo. Piv txwv li, silicon yog feem ntau siv hlau deoxidizer nyob rau hauv steelmaking, thaum txhuas yog nyiam rau tej yam txhuas alloys.
Ob peb yam khoom sib txawv ua tau zoo hlau deoxidizers. Feem ntau muaj xws li:
| Deoxidizer | Cov ntawv thov siv | Qhov zoo | Qhov tsis zoo |
|---|---|---|---|
| Silicon | Steelmaking, cam khwb cia hlau | Nqi-zoo, yooj yim muaj | Yuav ua rau embrittlement yog siv ntau dhau |
| Aluminium | Aluminium alloys, hlau | Siab deoxidizing zog | Tus nqi kim |
| Manganese | Steelmaking | Txhim kho lub zog thiab machinability | Nws tuaj yeem tsim cov kev suav tsis zoo |
| Calcium | Hlau ua, aluminium alloys | Siv tau zoo hauv kev tshem cov sulfur thiab oxygen | Yuav tsum tau ceev faj tswj |
Cov ntaub ntawv tau los ntawm ntau cov phau ntawv metallurgical thiab kev lag luam luam tawm.
Kev xaiv qhov zoo tshaj plaws hlau deoxidizer nyob ntawm ntau yam, suav nrog hom hlau ua tiav, qhov xav tau qib ntawm kev huv, tus nqi ntawm deoxidizer, thiab muaj peev xwm cuam tshuam rau cov khoom kawg ntawm cov khoom. Piv txwv li, hauv steelmaking, kev xaiv yuav koom nrog kev sib xyaw ntawm deoxidizers kom ua tiav cov txiaj ntsig zoo tshaj plaws. Kev sab laj nrog cov kws tshaj lij metallurgical thiab xa mus rau cov qauv kev lag luam cuam tshuam yog qhov tseem ceeb rau kev txiav txim siab paub.
Kev ua tau zoo deoxidation yog qhov tseem ceeb rau kev ua tiav cov khoom siv hlau zoo. Los ntawm kev txo qis cov ntsiab lus oxygen, koj txhim kho cov khoom siv kho tshuab, txhim kho cov khoom zoo, thiab ua kom lub zog tag nrho ntawm koj cov khoom kawg. Qhov no txhais tau tias txhim kho kev ua tau zoo thiab txo cov nqi hauv ntau yam kev siv, los ntawm cov khoom siv tsheb mus rau cov khoom siv.
To taub cov ntsiab cai ntawm hlau deoxidation thiab xaiv qhov tsim nyog hlau deoxidizer yog qhov tseem ceeb ntawm ntau cov txheej txheem hlau ntau lawm. Los ntawm kev ua tib zoo xav txog cov xwm txheej uas tau tham saum toj no, cov tuam txhab tsim khoom tuaj yeem ua kom cov khoom lag luam zoo, tsis muaj qhov tsis xws luag. Rau cov khoom siv zoo silicon-based, xav txog kev tshawb nrhiav cov khoom ntawm Sab hauv Mongolia Xinxin Silicon Kev Lag Luam Co., Ltd.