Yuav ua li cas siv cov xaim xaim xaim xaim kom raug
Cov neeg feem ntau tej zaum tsis txhob' t paub dab tsi cored yog, vim nws' s tsis pom muaj hauv lub neej txhua hnub. Nws yog ua los ntawm cov hlua steel qhwv hauv banded alloy hmoov. Nws tuaj yeem muab faib ua cov hmoov sib txawv: silicon calcium cored hlau, silicon manganese calcium cored hlau, silicon calcium barium cored hlau, barium aluminium cored hlau, aluminium calcium cored hlau, calcium calcium cored hlau, ntshiab calcium cored hlau thiab lwm yam. Cov cua xaim yog qhov zoo sib xws rau cov kauj, uas txawv ntawm cov xov hlau tseem ceeb siv hauv kev lag luam xov. Cov pob
Peb yuav tsum thov cov xaim xaim tsim nyog txhawm rau kom ua tiav txoj kev deoxidation zoo thiab txhim kho cov hlau tsis zoo. Yog lawm, tom qab kev txhim kho nyob rau hauv xyoo tas los, hom hom xov hlau kuj tseem tau txhim kho mus rau kev coj ntawm kev lag luam sib txawv. Cov neeg siv tuaj yeem xaiv thiab siv ntau yam sib txawv ntawm cov xaim xaim raws li cov khoom sib txawv. Yog li, thiaj li tau txais cov ntawv thov tau zoo thaum siv cov xaim xaim xaim, yuav ua li cas siv cov xaim xaim xov tooj kom raug
1. Tsim nyog kho ntawm kev pub mis ceev
Kev pub noj mov tau zoo cuam tshuam rau qhov nqus tus nqi ntawm CA. Tus nrawm lossis qeeb dhau yuav ua rau txo tus nqi nqus. Thaum lub silicon - calcium - cored hlau tau pub rau qee yam ntawm qhov tob, nws yuav pib yaj. Qhov tob yuav tsum xyuas kom meej tias molten thiab dispersed calcium npuas zoo heev cuam tshuam. Lub siab ua haujlwm ntawm cov hlau molten ua rau nws ua kom tiav txhua yam ua ntej nws ntab rau qhov siab ntawm lub hlau tsis huv. Tsim nyog tus nqi noj haus tuaj yeem nce tus nqi ntawm cov calcium. Yog tias qhov nrawm nrawm dhau los, ntawm ib sab, cov hlau yuav raug kev tsim txom hauv lub zog hauv zos ua kom muaj cov calcium vapor ntau, ntau qhov muaj cov calcium vapor ncaj qha rau saum huab cua. Calcium vapor, ntawm qhov tod tes, lig dhau rau yaj thiab ntab hauv ntau qhov ntau, txo nws cov qoob loo. Ntawm qhov tsis sib xws, yog tias tus nrawm nrawm dhau, nws yuav ua rau tsis txaus noj qhov tob ntawm cov xaim xaim thiab yuav tsis yaj tag. Nws ntab mus rau theem hlau ua ntej cov hlau thiab nkim.
2. Kev xaiv kom yog ntawm txoj haujlwm pub mis
Qhov chaw pub mis ntawm cov xov tooj cua kuj tseem muaj qhov cuam tshuam zoo ntawm kev rov qab los ntawm cov calcium. Qhov pub noj ntawm cov nplaim ntshiab calcium hlau yuav tsum tau xaiv nyob rau hauv qhov chaw ntawm qhov qis txuas ntawm molten steel, thiab nyob deb ntawm lub nplhaib ci ntsa iab ntawm tshuab argon kom deb li deb tau, kom Ca thiaj nkag tau rau hauv gaseous lossis kua xeev. Nws nqis los ntawm qhov kev nqis tes ua rau qis, yog li ua kom ntev lub sijhawm qhov chaw nyob ntawm lub cored hlau nyob rau hauv hlau molten thiab ua rau nws siab nqus los ntawm molten steel.
