Kho Cov Tswv Yim Khoom Siv Raw rau Cov Neeg Tsim Khoom Calcined Petroleum Coke Thaum Muaj Kev Nruj Nruj Ntawm Cov Khoom Siv Uas Muaj Sulfur Tsawg
Vim muaj cov roj av coke uas muaj sulfur tsawg tsawg zuj zus (sulfur content <1%, tshwj xeeb tshaj yog ultra-low sulfur coke <0.5%) thiab kev sib tw ntawm cov neeg siv roj teeb lithium anode thiab cov anodes prebaked siab heev, cov chaw tsim hluav taws xob calcination yuav tsum hloov lawv cov tswv yim raw khoom los ntawm kev nrhiav cov sulfur tsawg mus rau txoj hauv kev ntawm ntau qhov chaw sib koom ua ke, kev siv cascading, kev hloov pauv thev naus laus zis, thiab kev tiv thaiv kev pheej hmoo. Lub tswv yim tseem ceeb tuaj yeem sau ua cov lus qhia hauv qab no:
I. Kev Kho Cov Qauv Khoom Siv Raw: Los ntawm "Txhua Yam Uas Muaj Sulfur Tsawg" mus rau "Kev Sib Xyaws Ua Ke Ntawm Cov Sulfur Tsawg + Nruab Nrab"
Qhov teeb meem loj tshaj plaws ntawm cov coke uas muaj sulfur tsawg yog tias nws kim heev thiab tsis tshua muaj. Yav dhau los, cov chaw tsim hluav taws xob feem ntau siv cov coke uas muaj sulfur tsawg kom ntseeg tau tias cov khoom muaj sulfur. Txawm li cas los xij, nyob rau hauv ib puag ncig ntawm kev muab khoom tsawg thiab tus nqi siab heev (xyoo 2025, tus nqi nruab nrab ntawm #1 low-sulfur coke tau pom kev nce ntxiv txhua xyoo ntawm ntau dua 57% ntawm ib qho taw tes), txoj kev no tsis muaj txiaj ntsig lawm.
Lub tswv yim ua tau zoo yog los tsim kom muaj ib lub tshuab "sulfur blending siab-tsawg". Cov anodes uas tau ci ua ntej thiab cov electrodes graphite fais fab ib txwm muaj qee qhov kev kam rau cov ntsiab lus sulfur. Cov coke sulfur nruab nrab-tsawg tuaj yeem sib xyaw nrog cov coke sulfur qis hauv cov piv txwv tshwj xeeb (piv txwv li, sulfur qis: sulfur nruab nrab = 4: 6 lossis 3: 7) kom txo cov nqi khoom siv raw thaum ua tau raws li cov khoom xav tau sulfur. Qhov tseem ceeb yog los tsim ib lub ntaub ntawv rau txhua pawg ntawm cov khoom siv raw uas npog cov ntsiab lus sulfur, cov khoom tsis ruaj khov, qhov ceev tiag tiag, thiab cov ntsiab lus me me (V, Ni, Fe, thiab lwm yam), thiab siv cov qauv tsim los xam cov piv sib xyaw kom meej kom ntseeg tau tias cov khoom siv physicochemical ruaj khov ntawm cov coke calcined.
Rau cov chaw tsim hluav taws xob, qhov no txhais tau tias sab kev yuav khoom yuav tsum tau nrhiav cov chaw tsim hluav taws xob nruab nrab-sulfur coke tib lub sijhawm (cov coke nruab nrab-sulfur los ntawm cov chaw ua roj hauv tsev muaj li ntawm 38% ntawm tag nrho cov khoom xa tuaj thiab muaj ntau heev), es tsis txhob tsom mus rau txhua qhov kev yuav khoom rau cov coke qis-sulfur.
II. Kev Ua Kom Muaj Ntau Yam Ntawm Cov Kev Xa Khoom Tuaj: Xauv Cov Chaw Ruaj Khov thiab Faib Kev Pheej Hmoo Geopolitical
Cov roj coke uas muaj sulfur tsawg hauv tebchaws tsuas yog li ntawm 14% ntawm tag nrho cov roj coke uas tsim tawm (uas cov roj sulfur tsawg dua 0.5% tsuas yog li ntawm 4%), thaum cov roj teeb lithium anodes twb siv li ntawm 29% ntawm qhov xav tau roj coke uas muaj sulfur tsawg thiab tseem loj hlob sai. Qhov sib txawv ntawm kev muab khoom hauv tebchaws tsis tuaj yeem kaw tau rau lub sijhawm luv luv. Yog li ntawd, kev xa cov roj coke uas muaj sulfur tsawg tseem yog ib qho tseem ceeb ntxiv, tab sis cov nroj tsuag tsis tuaj yeem cia siab rau ib qho chaw.
Cov kev ua tshwj xeeb suav nrog:
- Kev nrhiav los ntawm ntau lub tebchaws: Dhau ntawm cov chaw ib txwm muaj hauv Middle East thiab Southeast Asia, tsom mus rau cov chaw pib coke uas tsis yog ib txwm muaj xws li Russia thiab Azerbaijan. Kos npe rau cov ntawv cog lus nruab nrab mus rau lub sijhawm ntev (1-3 xyoos) nrog rau "tus nqi piv txwv + kev hloov kho kom haum" los xauv tus nqi hauv pem teb.
- Nthuav cov khoom xa tuaj ntawm cov coke uas muaj sulfur ntau ua cov khoom hloov pauv: Cov coke uas muaj sulfur ntau muaj kev siv tsawg hauv cov anodes uas tau ua tiav hauv tsev vim muaj kev txhawj xeeb txog kev tso pa tawm SO₂, tab sis tseem muaj kev lag luam hauv cov khoom lag luam carbon uas tsis tshua muaj kev cuam tshuam rau sulfur, silicon carbide, calcium carbide, thiab lwm yam. Cov coke uas muaj sulfur ntau hauv cov tebchaws Es Xias Qab Teb thiab Middle Eastern muaj cov txiaj ntsig zoo ntawm tus nqi. Cov chaw tsim khoom siv calcination tuaj yeem tsim cov kab calcination coke uas muaj sulfur ntau tshwj xeeb rau cov khoom lag luam no.
- Siv cov cuab yeej siv yav tom ntej thiab cov cuab yeej xaiv: Tiv thaiv 30%–50% ntawm cov khoom xa tuaj, thiab siv kev tiv thaiv kev pauv nyiaj txawv teb chaws los txo qhov kev pheej hmoo ntawm kev hloov pauv ntawm tus nqi pauv ua ke nrog kev hloov pauv ntawm tus nqi.
III. Kev Hloov Kho Tshuab thiab Kev Txhim Kho Cov Qauv: Txo Kev Cia Siab Rau Cov Coke Uas Muaj Sulfur Tsawg Ntawm Qhov Chaw
Qhov no yog qhov kev taw qhia nrog tus nqi ntev tshaj plaws. Lub ntsiab lus ntawm qhov tsis txaus ntawm cov coke uas tsis muaj sulfur yog kev hloov pauv hauv cov qauv kev thov qis - cov roj teeb lithium anodes thiab cov electrodes graphite siab kawg tab tom loj hlob sai dua li kev muab khoom. Yog tias cov nroj tsuag calcination tsuas yog daws qhov teeb meem ntawm sab kev yuav khoom, lawv yuav ib txwm ua haujlwm. Lawv kuj yuav tsum ua kom muaj kev tawg ntawm sab thev naus laus zis.
Muaj ntau txoj kev uas tau lees paub lossis tab tom ua raws li:
- Kev sib xyaw cov khoom siv pab kom txo tau kev siv cov coke uas muaj cov sulfur tsawg: Ntxiv cov graphite rov ua dua tshiab, carbon fiber, thiab lwm yam khoom siv pab rau hauv cov qauv ntawm cov ntaub ntawv anode thiab cov khoom siv carbon siab tuaj yeem txo kev siv cov coke uas muaj cov sulfur tsawg los ntawm 10% -15%. Tib lub sijhawm, kev txhim kho kev ci thiab kev ua graphitization tuaj yeem txo qhov kev siv cov roj av coke ib chav los ntawm 8% -10%.
- Kev hloov ib feem nrog cov thee uas siv koob coke: Cov thee uas siv koob coke pheej yig dua li cov roj av coke li ntawm 20%, thiab nws cov feem siv hauv cov khoom siv anode tau nce ntawm 15% mus rau 28%. Rau qee cov khoom lag luam siab, kev siv koob coke uas siv thee thiab cov coke uas tsis muaj sulfur ntau hauv kev lag luam twb ua tau lawm. Cov chaw calcination tuaj yeem tsim cov peev xwm calcination koob coke.
- Lwm txoj hauv kev siv graphite ntuj: graphite ntuj nrog txheej txheej saum npoo (piv txwv li, txheej nano-silicon carbide) tau ua tiav lub neej voj voog ntau tshaj 2,000 voj voog ntawm tus nqi qis dua 30% piv rau graphite dag, thiab nws cov feem ntawm kev ua lag luam tau loj hlob los ntawm 15% mus rau 25%. Qhov no ua rau muaj kev sib tw ncaj qha rau cov tuam txhab khoom siv anode uas vam khom cov coke uas muaj cov sulfur tsawg, yuam kom cov nroj tsuag calcination xav txog kev hloov cov khoom siv raw.
- Saib xyuas cov khoom siv raw tshiab xws li bio-coke: Txawm hais tias tseem nyob hauv kev sim ua pov thawj, bio-coke tau pom tias muaj peev xwm hloov pauv hauv qee cov khoom siv carbon thiab tsim nyog taug qab kev siv tshuab los ntawm cov nroj tsuag calcination.
IV. Kev Txhim Kho Kev Ua Haujlwm Zoo: Siv Cov Txheej Txheem Zoo Los Them Nqi Khoom Siv Raw Nce
Kev nce nqi ntawm cov khoom siv raw yog cov yam ntxwv sab nraud, tab sis tus nqi tsim tawm, kev siv hluav taws xob, thiab tus nqi pov tseg ntawm cov coke calcined yog nyob hauv lub Hoobkas tswj hwm nws tus kheej.
- Txhim kho cov nqi tsim cov coke calcined: Txhim kho cov txheej txheem calcination (qhov kub calcination, lub sijhawm nyob, kev faib cua) kom nce tus nqi tsim tawm los ntawm 1-2 feem pua. Thaum cov nqi khoom siv raw nce ntau pua yuan ib tuj, qhov kev txhim kho 1% -2% no sib npaug rau kev txo qis ncaj qha rau cov nqi khoom siv raw ib chav.
- Kev siv hluav taws xob pov tseg thiab kev tswj hwm lub zog: Tsim cov txheej txheem siv hluav taws xob pov tseg los txo kev siv hluav taws xob ib chav, thiab siv hluav taws xob thaum tsis yog lub sijhawm siab tshaj plaws thiab hluav taws xob ntsuab los txo cov nqi hluav taws xob tsim khoom.
- Kev tswj cov khoom muag hauv online: Tsim kom muaj ib lub tshuab saib xyuas tus nqi khoom siv raw los taug qab tus nqi tam sim ntawd thiab tus nqi yav tom ntej hauv lub sijhawm tiag tiag thiab kho lub sijhawm yuav khoom. Txo cov khoom muag kom muaj kev nyab xeeb los ntawm 3 lub hlis ib txwm mus rau 1.5-2 lub hlis, txo cov peev txheej thiab kev pheej hmoo ntawm tus nqi poob qis.
V. Kev Koom Tes Ua Haujlwm ntawm Cov Khoom Siv: Ua ke nrog Upstream thiab Downstream kom sib koom kev pheej hmoo
Nyob rau hauv ib puag ncig ntawm qhov tsis muaj cov coke uas muaj sulfur tsawg, tus qauv kev yuav khoom ib leeg twb dhau lawm.
- Kos npe rau cov ntawv cog lus txog tus nqi txuas nrog cov neeg siv khoom hauv qab no: Sib tham txog cov txheej txheem sib txuas "tus nqi coke - tus nqi khoom" nrog cov tuam txhab anode ua ntej thiab cov neeg tsim khoom siv anode. Thaum tus nqi roj av coke nce siab, tus nqi khoom raug kho kom sib npaug, hla dhau qhov kev nyuaj siab ntawm tus nqi hauv qab no.
- Kos npe rau cov ntawv cog lus ntev nrog cov chaw ua roj kom xauv qhov ntim: Ruaj ntseg ntau dua 50% ntawm kev yuav khoom coke uas muaj sulfur tsawg txhua xyoo los ntawm cov ntawv cog lus ntev nrog cov lus txwv tus nqi, zam kev raug tsav los ntawm kev hloov pauv ntawm kev ua lag luam luv luv.
- Koom nrog kev sib koom tes hauv kev lag luam: Txhawb cov koom haum kev lag luam kom koom nrog kev txhim kho txoj cai se ntshuam khoom kom txo tau cov nqi ntshuam coke uas muaj sulfur ntau, thiab nthuav dav cov khoom siv raw uas siv tau.
Cov Lus Qhia Tseem Ceeb
Qhov tsis txaus ntawm cov coke uas muaj sulfur tsawg tsis yog qhov kev hloov pauv luv luv tab sis yog qhov kev tsis sib haum xeeb ntawm cov qauv nruab nrab mus rau ntev (cov coke uas muaj sulfur tsawg hauv tebchaws tsuas yog 14% ntawm tag nrho cov khoom tsim tawm, thaum qhov kev thov ntawm cov roj teeb lithium anode tab tom loj hlob ntau dua 10% ib xyoos). Cov chaw tsim khoom siv calcination yuav tsum hloov lawv txoj kev npaj khoom siv raw los ntawm "kev sib tw rau cov coke uas muaj sulfur tsawg" mus rau tsib txoj hauv kev ntawm "kev tswj hwm kev sib xyaw, kev sib txawv ntawm cov khoom xa tuaj, kev thawb cov khoom hloov pauv, kev txhim kho kev ua haujlwm zoo, thiab kev khi cov saw hlau." Leej twg ua tiav qhov kev sib xyaw ua ke no ua ntej yuav tuav lub hauv paus hauv lub voj voog khoom siv raw tom ntej.
Lub sijhawm tshaj tawm: Tsib Hlis-13-2026