Cov roj av coke uas muaj graphitized tuaj yeem ua lub luag haujlwm tseem ceeb hauv kev pab txhawb rau yav tom ntej smelting ntawm "super clean steel," nrog nws cov kev koom tes feem ntau pom tseeb hauv cov yam xws li purity siab, cov ntsiab lus tsis muaj impurity tsawg, crystallinity siab thiab kev ruaj khov kub siab, cov qauv porous thiab reactivity siab, nrog rau nws daim ntawv thov dav dav ua cov khoom siv raw tseem ceeb. Cov hauv qab no yog kev tshuaj xyuas tshwj xeeb:
Kev Ntshiab Siab thiab Cov Khoom Uas Tsis Muaj Qhov Cuam Tshuam: Cov roj av coke uas muaj graphitized raug kho kom sov siab (feem ntau siab dua 2500 ° C, txawm tias ncav cuag 3000 ° C), uas txo cov ntsiab lus ntawm cov khoom tsis huv xws li sulfur thiab nitrogen. Hauv kev smelting ntawm cov hlau huv si, cov ntsiab lus tsis huv qis yog qhov tseem ceeb vim tias cov ntsiab lus xws li sulfur thiab nitrogen tuaj yeem ua rau muaj qhov tsis zoo xws li porosity thiab tawg hauv cov hlau, cuam tshuam rau nws qhov huv thiab kev ua tau zoo. Qhov tshwj xeeb ntawm cov roj av coke graphitized pab txo cov pa phem ntawm cov khoom tsis huv no rau cov hlau, yog li txhim kho nws qhov huv.
Kev Siv Crystallinity Siab thiab Kev Ruaj Ntseg Kub Siab: Cov roj av coke graphitized muaj cov crystallinity siab, ua rau nws ruaj khov dua ntawm qhov kub siab thiab tsis yooj yim rau oxidation thiab degradation. Thaum lub sijhawm smelting ntawm cov hlau huv si, uas muaj cov kauj ruam xws li kev yaj thiab kev ua kom zoo hauv qhov kub siab, kev ruaj khov hauv qhov kub siab ntawm cov roj av coke graphitized ua kom nws tswj tau qhov kev ua tau zoo thoob plaws hauv cov txheej txheem no, muab cov pa roj carbon txhim khu kev qha rau kev smelting.
Cov Qauv Nto thiab Kev Ua Haujlwm Siab: Cov roj av coke graphitized muaj cov qauv porous, uas pab ua kom nws thaj chaw tshwj xeeb thiab kev ua haujlwm. Thaum lub sijhawm smelting, cov qauv porous no txhawb kev sib cuag thiab kev ua haujlwm txaus ntawm cov roj av coke thiab cov hlau molten, txhim kho kev nqus cov pa roj carbon thiab yog li ua kom cov pa roj carbon ntau ntxiv hauv cov hlau molten. Lub caij no, kev ua haujlwm siab kuj pab txo kev siv zog thiab lub sijhawm thaum lub sijhawm smelting, txhim kho kev ua haujlwm ntau lawm.
Kev Siv Dav Dav Ua Khoom Siv Tseem Ceeb: Graphitized petroleum coke tsis yog tsuas yog cov khoom siv tseem ceeb rau kev smelting carbon additives xwb tab sis kuj siv dav hauv kev tsim cov cathode blocks loj, cov electrodes carbon loj, cov electrodes graphitized loj, thiab cov electrode pastes ua haujlwm siab. Cov khoom no ua lub luag haujlwm tseem ceeb hauv cov txheej txheem smelting ntawm super clean steel, xws li muab cov cua sov arc ruaj khov ua cov khoom siv electrode lossis koom nrog cov tshuaj smelting ua reductants. Kev ua tau zoo heev ntawm graphitized petroleum coke ua rau cov khoom no ua tau raws li cov kev cai nruj ntawm super clean steel smelting.
Lub sijhawm tshaj tawm: Lub Ib Hlis-27-2026