Cov carburizers tsis yog cov khoom siv pab xwb. Los ntawm cov yam ntxwv xws li kev ntshiab siab, tsis muaj impurities, thiab kev nqus tau zoo, graphitized petroleum coke tau hloov pauv los ntawm lub luag haujlwm roj ib txwm mus rau hauv cov khoom siv tseem ceeb rau kev tswj cov pa roj carbon kom raug thiab txhim kho cov hlau molten zoo hauv kev smelting hlau, khwv tau nws lub npe menyuam yaus "kev kho mob sai rau lub plawv." Nov yog kev tshuaj xyuas ntxaws ntxaws:
Cov Kev Txwv ntawm Lub Luag Haujlwm Ib Txwm Muaj: Cov Carburizers Ib Zaug Tau Pom Zoo Li "Cov Khoom Pib Hluav Taws"
Thaum pib ntawm kev smelting hlau, lub luag haujlwm ntawm carburizers yog qhov yooj yim heev, feem ntau yog siv los rov ua kom cov pa roj carbon uas ploj thaum lub sijhawm smelting hauv cov hlau lossis hlau yaj. Lub sijhawm no, carburizers tau suav tias yog cov khoom siv pabcuam, nrog rau lawv lub luag haujlwm tseem ceeb yog "carbon replenishment" es tsis yog cuam tshuam ncaj qha rau cov khoom kawg ntawm hlau. Piv txwv li, cov roj av coke carburizers, vim lawv cov sulfur thiab nitrogen impurity siab, tuaj yeem ua rau muaj cov khoom phom sij thaum rov ua kom cov pa roj carbon, ua rau cov hlau yaj zoo poob qis thiab txawm tias ua rau muaj qhov tsis zoo xws li porosity thiab tawg. Lub siab xav "carbon replenishment ua lub luag haujlwm nkaus xwb" no ua rau carburizers raug hu ua "cov khoom siv pabcuam" rau lub sijhawm ntev.
Kev Tshawb Fawb Txog Graphitized Petroleum Coke: Kev Hloov Pauv Zoo Los Ntawm "Kev Pib Hluav Taws" Mus Rau "Kev Txuag Lub Neej"
Cov roj av coke uas muaj graphitized raug kev ua graphitization kub heev (feem ntau ncav cuag siab tshaj 2800 ° C), ua tiav kev hloov kho dua tshiab ntawm cov qauv carbon atom kom tsim cov siv lead ua graphite zoo meej. Cov txheej txheem no tsis yog tsuas yog ua rau cov pa roj carbon ntau ntxiv (feem ntau ≥98%) tab sis kuj tseem txo cov pa roj sulfur thiab nitrogen impurity kom qis heev (sulfur ≤0.05%, nitrogen ≤0.02%). Cov yam ntxwv ntawm kev ntshiab siab thiab qis impurity no ua rau cov roj av coke graphitized muaj peb qhov zoo tseem ceeb hauv kev smelting hlau:
Kev Ua Kom Cov Pa Roj Carbon Rov Qab Zoo, Tsis Txhob Ua "Mov Uas Tsis Tau Ua Noj"
Cov carburizers ib txwm muaj, nrog lawv qhov kev nqus dej tsawg (kwv yees li 60%), feem ntau ua rau muaj kev faib tawm tsis sib xws ntawm cov ntsiab lus carbon, tsim cov carbide sib cais, thiab cuam tshuam rau cov khoom siv hlau. Hauv kev sib piv, graphitized petroleum coke muaj qhov kev nqus dej ntau dua 90%. Nws cov graphite microcrystals tuaj yeem sib xyaw zoo nrog cov hlau yaj, ua kom muaj kev faib tawm ntawm cov ntsiab lus carbon, zam qhov xwm txheej "mov tsis siav", thiab yog li ua kom cov hlau muaj zog thiab hnav tsis kam.
Kev Tiv Thaiv Kev Ua Phem, Kev daws teeb meem "Porosity Crisis"
Cov tshuaj sulfur thiab nitrogen tsis huv yog "cov tshuaj tua neeg uas tsis pom" hauv kev smelting hlau. Cov tshuaj sulfur ntau dhau tuaj yeem ua rau cov hlau yaj ua rau tawg, thaum cov tshuaj nitrogen ntau tuaj yeem tsim cov porosity, cuam tshuam loj heev rau qhov zoo ntawm cov khoom nto. Graphitized petroleum coke zoo tiv thaiv cov qhov tsis zoo xws li porosity thiab tawg los ntawm kev tshem tawm cov khoom tsis huv tob, tswj cov tshuaj sulfur hauv qab 0.05% thiab cov tshuaj nitrogen hauv qab 0.02%, muab kev lees paub rau kev tsim cov hlau zoo.
Kev Txhim Kho Kev Ua Haujlwm Zoo, Txo Cov Nqi Tag Nrho
Txawm hais tias tus nqi ntawm cov roj av coke graphitized siab dua li cov carburizers ib txwm muaj, nws qhov kev nqus siab thiab cov ntsiab lus tsis muaj kuab paug tsawg ua rau txo cov voj voog rov ua dua tshiab thiab cov nqi pov tseg. Piv txwv li, hauv kev tsim hluav taws xob arc furnace steelmaking, kev siv cov roj av coke graphitized tuaj yeem ua kom cov ntsiab lus carbon nce mus rau tus nqi lub hom phiaj sai sai, ua rau lub sijhawm smelting luv dua thiab txo kev siv zog. Lub caij no, qhov kev txo qis ntawm cov nqi pov tseg ncaj qha txo cov khoom siv pov tseg thiab cov nqi rov ua dua tshiab, ua rau cov nqi tag nrho qis dua hauv lub sijhawm ntev.
Cov Ntaub Ntawv Thov Kev Lag Luam: Kev Hloov Pauv Los Ntawm "Lub Luag Haujlwm Txhawb Nqa" Mus Rau "Lub Luag Haujlwm Ua Tus Thawj Coj"
- Hlau Tsheb: Cov kev xav tau siab tawv yuav tsum muaj cov pa roj carbon ruaj khov siab heev hauv cov carburizers. Graphitized petroleum coke, nrog nws cov pa roj carbon ntau dua 98%, tau dhau los ua cov khoom siv carburizing nyiam rau cov khoom tseem ceeb xws li lub tog raj kheej lub cav tsheb thiab cov iav.
- Cov Hlau Fais Fab Nuclear: Cov khoom siv fais fab nuclear yuav tsum tau ua kom huv si yuav luag nruj heev rau cov hlau, nrog rau cov sulfur uas yuav tsum tau tswj kom qis dua 0.03%. Ib tus neeg muag khoom tau siv cov coke calcined nrog cov sulfur uas muaj 0.3% los ua cov khoom graphitized, ua rau muaj qhov tsis zoo ntawm cov khoom siv fais fab nuclear thiab ua rau muaj kev kub ntxhov thoob plaws hauv kev lag luam. Txij thaum ntawd los, graphitized petroleum coke tau dhau los ua "cov khoom siv txheem" rau cov hlau fais fab nuclear.
- Cov Khoom Siv Anode Roj Teeb Lithium-ion: Cov roj av coke graphitized tuaj yeem ua tiav ntxiv kom tau txais cov graphite ntshiab, uas yog siv los txhim kho lub neej voj voog ntawm cov roj teeb lithium-ion, ntxiv nthuav nws cov ciam teb daim ntawv thov.
Cov Qauv Yav Tom Ntej: Los ntawm "Kev Rov Ua Dua Cov Pa roj Carbon Ib Zaug" mus rau "Cov Kev Pabcuam Tshwj Xeeb"
Raws li kev lag luam hlau txuas ntxiv nce nws cov kev xav tau rau cov khoom zoo, daim ntawv thov ntawm graphitized roj av coke tab tom hloov pauv los ntawm "standardization" mus rau "kev hloov kho." Piv txwv li:
- Kev Ntsuas Qhov Loj ntawm Cov Khoom Me Me: Cov khoom me me yog siv rau kev rov ua kom cov pa roj carbon rov qab ntev, thaum cov hmoov me me yog siv rau kev hloov kho cov pa roj carbon sai, ua tau raws li qhov xav tau ntawm ntau qhov xwm txheej smelting.
- Kev Kho Kom Haum Rau Cov Khoom Siv: Kho cov ntsiab lus ntawm cov sulfur thiab nitrogen raws li cov yam ntxwv ntawm cov qib hlau, xws li cov sulfur tsawg rau cov hlau tsim kho kom txhim kho kev tawv thiab cov pa roj carbon ntau rau cov hlau tsheb kom ua rau muaj kev tawv ntxiv.
- Kev taug qab digital: Kev siv pob tshab hauv cov txheej txheem tsim khoom los ntawm blockchain thev naus laus zis, tso cai rau cov neeg siv khoom luam theej duab cov lej thiab saib cov ntaub ntawv xws li cov khoom siv raw, qhov kub thiab txias ntawm graphitization, thiab cov ntawv qhia kev tshuaj xyuas zoo, tshem tawm qhov kev pheej hmoo ntawm cov khoom cuav.
Lub sijhawm tshaj tawm: Lub Peb Hlis-19-2026