Puas muaj hlau hauv hlau?
Puas muaj hlau hauv hlau?
Anonim

Hais lus dav, hlau yog ib qho alloy ntawm hlau uas muaj txog li 2 feem pua cov pa roj carbon, thaum lwm hom ntawv hlau muaj li ntawm 2-4 feem pua cov pa roj carbon. Qhov tseeb, nyob ntawd yog ntau txhiab yam sib txawv ntawm hlau thiab hlau , txhua qhov muaj qhov sib txawv me ntsis ntawm lwm cov ntsiab lus sib xyaw.

Xav txog qhov no, puas steel muaj hlau nyob hauv nws?

Hlau yog lub npe ntawm pab pawg ntawm cov hlau nplaum uas muaj feem ntau hlau thiab siab tshaj ntawm 2.3% ntawm cov pa roj carbon. Nws tuaj yeem tuav tau ntau ntawm ntau lwm yam, xws li npib tsib xee, chromium, manganese, molybdenum thiab lwm yam. Cov ntsiab lus alloying muaj ib qho kev cuam tshuam loj ntawm cov steel khoom.

Ib sab saum toj no, yuav ua cov hlau ua hlau li cas? Lub combustion ntawm hlau ore nrog lwm cov ntaub ntawv hauv lub tshuab ua kom tawg ua rau npua molten hlau , uas yog hloov dua siab tshiab rau hlau . Limestone ntxiv rau qhov cub tawg kom ntes cov impurities thiab tsim cov khib nyiab pov tseg. Oxygen reacts nrog cov qib carbon ntau hauv npua hlau thiab seem rau tsim CO thiab CO2.

Hauv qhov no, pes tsawg feem pua ntawm cov hlau yog hlau?

Kom paub hlau , peb yuav tsum xub nkag siab hlau , rau cov hlau yog ze li ib thiab ib yam. Hlau muaj ib qho hlau concentration ntawm 98 rau 99 feem pua lossis ntau dua. Cov seem yog carbon-ib qho ntxiv me me uas ua rau muaj qhov sib txawv loj hauv cov khoom hlau.

Puas yog hlau hauv koj lub cev zoo ib yam li hlau?

Ntau xav hlau yog hnyav hlau , uas nws tsis yog. Hlau yog a hlau ; qhov tseeb, tib neeg muaj ntau dhau hlau hauv lawv lub cev tuaj yeem tawm mus hlau ntes. Tab sis hlau kuj yog ib qho tseem ceeb micronutrients. Micronutrient txhais tau tias yog lub cev tsuas yog xav tau me me kom ua haujlwm ib txwm.

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