Kev cuam tshuam ntawm tus nqi ntawm Cored Hlau

Hauv cov txheej txheem steelmaking, ntau dhau lossis tsis txaus ntxiv ntawmcored kabtuaj yeem muaj kev cuam tshuam loj rau qhov zoo ntawm cov hlau:
Qhov cuam tshuam ntawm kev sib ntxiv ntau dhau:

1. Cov khoom sib cais: Cov khoom siv alloying ntau dhau los yog cov khoom siv ntxiv tuaj yeem ua rau tsis sib xws ntawm cov khoom siv hauv cov kua steel, uas ua rau muaj kev sib cais thiab cuam tshuam rau qhov sib xws thiab ruaj khov ntawm cov hlau ua haujlwm.

2. Muaj kev suav ntxiv: Cov khoom siv ntau dhau tuaj yeem tsim cov kev sib koom ua ke ntau dhau, txo cov purity ntawm cov hlau, thiab cuam tshuam rau nws cov khoom siv kho tshuab thiab kev ua haujlwm.

3. Cov nqi nce ntxiv: Siv cov tub ntxhais hlau ntau dhau yuav ua rau cov khoom siv raw khoom thiab txo cov txiaj ntsig ntawm kev tsim khoom.

4. cuam tshuam rau lub toughness thiab ductility ntawm steel: ntau ntau ntawm tej yam alloying ntsiab yuav txo tau lub toughness thiab ductility ntawm hlau, ua rau nkig tawg thaum siv.

Qhov cuam tshuam ntawm kev ntxiv cov nyiaj tsawg dhau:

1. Tsis tuaj yeem ua tiav qhov kev xav tau deoxidation thiab desulfurization nyhuv: ua rau muaj cov pa oxygen thiab cov ntsiab lus sulfur hauv cov hlau, txo qhov zoo thiab kev ua haujlwm ntawm cov hlau.

2. Tsis txaus alloying: tsis tuaj yeem ua tau raws li cov kev xav tau ntawm cov qib steel tshwj xeeb rau cov ntsiab lus ntawm cov hlau alloy, uas cuam tshuam rau lub zog, hardness, hnav tsis kam thiab lwm yam kev ntsuas ntawm cov hlau.

3. Kev tswj tsis zoo ntawm kev suav nrog morphology: tsis tuaj yeem txhim kho cov morphology thiab kev faib tawm ntawm cov inclusions, yog li cuam tshuam rau kev ua haujlwm qaug zog thiab cuam tshuam ntawm cov hlau.

Thaum tus nqi ntawm cov tub ntxhais hlau ntxiv thaum lub sij hawm steelmaking txheej txheem ntau dhau los yog tsawg dhau, cov hauv qab no tuaj yeem siv los hloov kho:

Txoj kev hloov kho thaum ntxiv ntau dhau:

1. Tam sim ntawd nres qhov sib ntxiv ntawm nws: Yog tias pom muaj ntau dhau lawm, txoj haujlwm pub mis yuav tsum tau nres sai sai txhawm rau tiv thaiv cov tub ntxhais hlau ntau dua los ntawm kev nkag mus rau cov kua hlau.

2. Ua kom lub sijhawm nplawm thiab ua kom zoo dua: Los ntawm kev ntxiv dag zog ntawm cov kua hlau ua kom zoo thiab ua kom lub sijhawm ua kom zoo, txhawb nqa qhov sib xws ntawm cov kua hauv cov kua hlau thiab cov tshuaj tiv thaiv kev noj cov khoom ntxiv.

3. Kho cov txheej txheem txuas ntxiv: Nyob ntawm qhov xwm txheej tshwj xeeb, nws yuav tsim nyog los kho cov txheej txheem txuas ntxiv xws li kub thiab argon tshuab ntws tus nqi txhawm rau txhim kho cov kua dej zoo.

Txoj kev hloov kho thaum tus nqi ntxiv tsawg dhau:

1. Ua kom ceev ceev ntawm kev ntxiv: Thaum ua kom muaj cov tshuaj tiv thaiv zoo ntawm cov kua steel, ua kom cov xaim pub ceev kom nce cov nyiaj ntxiv rau ib lub sijhawm.

2. Nthuav lub sij hawm pub mis: Ua kom ntev lub sij hawm ntxiv ntawm nws kom ntxiv cov nyiaj tsis txaus.

3. Rov ntsuam xyuas qhov muaj pes tsawg leeg thiab cov txheej txheem yuav tsum tau ua ntawm cov kua steel: Rov txheeb xyuas qhov muaj pes tsawg leeg ntawm cov kua steel thiab rov suav cov nyiaj yuav tsum tau ua raws li qhov xwm txheej tiag tiag.

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