Txhawm rau tsim cov kev ua tau zoo cam khwb cia hlau-xws li cov hlau hlau lossis qib grey-nws yog qhov tseem ceeb kom nruj me ntsis kev tswj hwm tus nqi, thiab cov txheej txheem purification {4} Cov ncauj lus hauv qab no yog cov ntsiab lus tseem ceeb:
1. Them Nqi thiab PretReatment
Ib qho kev pom zoo them nqi yog75% -80% seem steel(huv si, cov hlau roj carbon ntau xws li Q235, degreehreased thiab derusted) ua ke nrog20% -25% rov qab hlau(risers lossis briquetted hlau chips ntawm tib qib, zam kev paug) .
Tustus carburizeryuav tsum yog tusnraabNtaus nrogTsawg sulfur (s tsawg dua los yog sib npaug rau 0.05%)thiabTsawg nitrogen (n tsawg dua lossis sib npaug nrog 100 ppm).
Pom zoo ntxiv:1.2%–2.0%, qhiaMidway los ntawm meltingtxhawm rau txhim kho kev haum efficient .
2. Sulfur Cov Ntsiab Lus thiab Molten Cov Khaub Ncaws Hlau
Cov neeg Sulfur cov ntsiab lus hauv cov hlau molten yuav tsum tau tswj ntawmTsawg dua los yog sib npaug rau 0.03%(hom phiaj0.01%–0.022%) rau:
Txo cov tshuaj ntxuav
Txhim kho Graphite morphology
Pancification ntawm Molten HlauXws li:
Muaj pes tsawg leeg tswj:Txwv txiav kab tseem ceeb xws liTi, pb, thiab lwm yam {., kom tiv thaiv kev cuam tshuam nrog kev cuam tshuam nrog spheroidization.
Qhuav purification:Kev sivHauv kev ua kom sov(e {. g ., egon degassing) thiabKev kho teeb tsa(e {. g .}}}}}}}}}}}}}}}}}, Pom, rho tawm cov kev suav nrog.
3. Kev Kho Mob Cov Kev Kho Mob thiab Kev Ua Haujlwm Zoo
Siv hlau tsawg-ntawm cov hlau uas tsis tshua tso cai tso cai rau kev txo qis hauv ntiaj teb kev noj hauv spheroidization {}} Txawm li cas los xij, ALuas tus nqi ntawm lub ntiaj teb tsawg (0.005% -0.02%)yuav tsum tau muab khaws cia rau nruab nrab cov khoom siv tsis zoo .
Ua ke nrogHauv-ntws inoculationthiab aKev tswj cov txheej txheem txias, qhov no yuav pab ua kom tiav agraphite spheroidization ntawm ntau dua los yog sib npaug rau 90%, txhim kho cov khoom ntiag tug xws litensile lub zog thiab elongation.
Hais Txog Dalian Aiseno ElectromeCheatoryChanical Khoom Siv CO {}}}, ltd .
Dalian aupiseno tshwj xeeb hauv postting tu cov tshuaj, kev tsim khoom, kev tsim kho, thiab txhim khu kev qha zoo, nws cov khoom lag luam zoo licasting spritters, lub zog ramers, thiab khiav sib tsoo-Offers ua haujlwm yooj yim thiab kev ua haujlwm siab. Cov cuab yeej tu thiab pab txhim kho kev ua haujlwm ntau dua post.
