Cov txheej txheem graphitization ntawm graphitized roj av coke yog ib qho kev sib txuas ua ke uas siv zog ntau, nrog nws cov yam ntxwv siv zog thiab cov yam ntxwv tseem ceeb uas cuam tshuam raws li hauv qab no:
I. Cov Ntaub Ntawv Siv Hluav Taws Xob Tseem Ceeb
1. Qhov Sib Txawv Ntawm Kev Siv Hluav Taws Xob Theoretical Thiab Qhov Tseeb Thaum qhov kub ntawm graphitization ncav cuag 3,000 ° C, kev siv hluav taws xob theoretical rau ib tuj ntawm cov khoom ci yog 1,360 kWh. Txawm li cas los xij, hauv kev tsim khoom tiag tiag, cov lag luam hauv tsev feem ntau siv 4,000–5,500 kWh ib tuj, uas yog 3–4 npaug ntawm tus nqi theoretical. Piv txwv li, lub Hoobkas loj uas tsim 100,000 tons ntawm graphite electrodes txhua xyoo siv 3,000–5,000 kWh ib tuj thaum lub sijhawm graphitization, qhia txog kev nyuaj siab ntawm lub zog. 2. Feem pua ntawm tus nqi Hauv kev tsim cov khoom siv graphite anode dag, cov nqi graphitization suav txog kwv yees li 50% ntawm tag nrho cov nqi, ua rau nws yog qhov tseem ceeb rau kev txo tus nqi. Cov nqi hluav taws xob suav txog ntau dua 60% ntawm tag nrho cov nqi graphitization, txiav txim siab ncaj qha rau cov txheej txheem kev lag luam zoo.
II. Kev Tshawb Fawb Txog Cov Ua Rau Siv Hluav Taws Xob Ntau
1. Cov Kev Cai Tseem Ceeb ntawm Cov Txheej Txheem Graphitization xav tau kev kho cua sov siab (2,800–3,000 ° C) los hloov cov pa roj carbon los ntawm cov qauv txheej txheem tsis sib xws mus rau hauv cov qauv siv lead ua graphite. Cov txheej txheem no xav tau kev siv zog tas mus li kom kov yeej kev tiv thaiv interatomic, ua rau siv zog ntau.
2. Kev Ua Haujlwm Tsawg ntawm Cov Txheej Txheem Ib Txwm
- Acheson Rauv: Txoj kev siv feem ntau, tab sis tsuas yog muaj 30% kev ua haujlwm thermal, txhais tau tias tsuas yog 30% ntawm lub zog hluav taws xob siv rau cov khoom graphitizing, thaum cov seem seem raug pov tseg los ntawm kev tso cua sov ntawm lub cub tawg thiab kev siv cov khoom siv resistor.
- Lub voj voog qhib hluav taws xob ntev: Lub sijhawm qhib hluav taws xob ntawm ib lub cub tawg yog txij li 40–100 teev, nrog rau lub voj voog tsim khoom ntev txog 20–30 hnub, ua rau kev siv hluav taws xob ntau ntxiv. 3. Cov khoom siv thiab kev txwv kev ua haujlwm
- Qhov ceev ntawm cov hluav taws xob hauv lub qhov cub tawg yog txwv los ntawm lub peev xwm ntawm lub zog fais fab. Kev nce qhov ceev ntawm cov hluav taws xob tuaj yeem ua rau lub sijhawm qhib hluav taws xob luv dua tab sis yuav tsum tau hloov kho cov khoom siv, ua rau cov nqi peev nce siab.
- Qhov kub nce siab raug txwv kom tiv thaiv cov khoom tawg los ntawm kev ntxhov siab thermal, txwv qhov chaw zoo tshaj plaws rau kev txo kev siv hluav taws xob.
III. Kev nce qib thiab cov teebmeem ntawm cov thev naus laus zis txuag hluav taws xob
1. Kev Siv Cov Hom Cua Sov Tshiab
- Lub Cub Hluav Taws Xob Graphitization Sab Hauv: Lub Ntsiab Cai: Ua kom cov electrodes sov ncaj qha yam tsis muaj cov khoom siv resistor, txo qhov poob cua sov. Cov Nyhuv: Txo kev siv hluav taws xob los ntawm 20% -35% thiab luv lub sijhawm cua sov mus rau 7-16 teev.
- Lub Cub Hluav Taws Xob Hom Lub Thawv: Lub Ntsiab Cai: Faib lub hauv paus ntawm lub cub hluav taws xob ua ntau lub chav, nrog cov khoom siv anode tso rau hauv cov thawv uas muaj graphite conductive uas nws tus kheej ua kom sov thaum siv hluav taws xob. Cov Nyhuv: Ua rau lub peev xwm ua haujlwm ntawm ib lub cub hluav taws xob ntau dua, nce tag nrho kev siv hluav taws xob tsuas yog ~ 10%, txo qis kev siv hluav taws xob ntawm chav tsev los ntawm 40% - 50%, thiab tshem tawm cov nqi khoom siv resistor.
- Lub Cub Hluav Taws Xob Txuas Ntxiv Mus: Lub Ntsiab Cai: Ua kom muaj kev sib koom ua ke ntawm kev tsim khoom txuas ntxiv mus (kev thauj khoom, kev muab hluav taws xob, kev txias, kev tshem tawm), zam kev poob cua sov los ntawm kev ua haujlwm ntawm lub cub hluav taws xob tsis tu ncua. Cov Nyhuv: Txo kev siv hluav taws xob los ntawm ~ 60%, ua rau lub voj voog tsim khoom luv dua, thiab txhim kho kev ua haujlwm tsis siv neeg. 2. Kev Ntsuas Kev Txhim Kho Cov Txheej Txheem
- Txhim kho cov qauv rwb thaiv tsev ntawm lub cub tawg kom txo qis kev poob cua sov thiab txhim kho kev ua haujlwm thermal.
- Kev tsim cov qauv tsim cua sov zoo rau kev faib tawm qhov kub thiab txias sib npaug thiab txo kev siv hluav taws xob.
- Cov txheej txheem tswj kub ntse uas muaj kev saib xyuas ntau thaj chaw thiab cov algorithms ntse rau kev tswj hwm qhov nkhaus cua sov kom meej, tiv thaiv kev pov tseg hluav taws xob.
IV. Cov Qauv thiab Cov Teeb Meem ntawm Kev Lag Luam
1. Kev Hloov Chaw Muaj Peev Xwm Lub peev xwm ua graphitization tab tom tsom mus rau sab qaum teb sab hnub poob Suav teb, siv cov nqi hluav taws xob qis hauv zos los txo cov nqi. Piv txwv li, Inner Mongolia suav txog 47% ntawm lub teb chaws lub peev xwm graphitization, ua lub hauv paus tseem ceeb ntawm kev tsim khoom. 2. Kev Txhim Kho Kev Siv Tshuab Los Ntawm Txoj Cai Hauv qab "kev tswj hwm ob txoj cai" kev siv hluav taws xob, lub peev xwm graphitization siab ntsib kev txwv, yuam cov tuam txhab kom txais yuav cov txheej txheem txuag hluav taws xob. Cov tuam txhab uas muaj peev xwm tsim khoom sib xyaw (piv txwv li, graphitization tus kheej) tau txais txiaj ntsig zoo hauv kev sib tw, ua kom kev sib koom ua lag luam sai dua rau cov neeg ua si ua ntej. 3. Kev Pheej Hmoo ntawm Kev Hloov Kho Tshuab Thaum cov cub tawg tas mus li thiab lwm yam thev naus laus zis tshiab muab kev txuag hluav taws xob ntau, lawv cov nqi khoom siv siab thiab cov teeb meem kev siv tshuab cuam tshuam kev hloov pauv sai ntawm cov cub tawg Acheson ib txwm muaj. Cov tuam txhab yuav tsum sib npaug kev nqis peev txhim kho thev naus laus zis tawm tsam cov txiaj ntsig mus sij hawm ntev.
Lub sijhawm tshaj tawm: Cuaj hlis-15-2025