Koob tshuaj coke yog ib hom tshuaj zoo uas tau tsim los ntawm cov khoom siv carbon. Nws zoo li cov khoom khov kho uas muaj cov xim grey nyiaj thiab cov xim hlau ci ntsa iab. Nws cov qauv muaj cov qauv ntws zoo, nrog cov qhov loj tab sis ob peb lub qhov thiab cov duab me ntsis oval. Nws yog cov khoom siv raw rau kev tsim cov khoom siv carbon zoo xws li cov electrode muaj zog heev, cov khoom siv carbon tshwj xeeb, carbon fiber thiab nws cov khoom sib xyaw.
Raws li cov khoom siv raw sib txawv, cov coke koob tuaj yeem muab faib ua cov roj koob coke thiab cov thee koob coke. Cov coke koob tsim los ntawm cov roj av seem yog cov roj koob coke. Cov koob coke tsim los ntawm cov thee tar pitch thiab nws cov feem yog cov thee koob coke.
Cov ntsuas uas cuam tshuam rau qhov zoo ntawm cov koob coke suav nrog qhov tseeb ceev, cov ntsiab lus sulfur, cov ntsiab lus nitrogen, cov khoom tsis ruaj khov, cov ntsiab lus tshauv, cov coefficient nthuav dav thermal, resistivity, vibration density, thiab lwm yam. Vim yog qhov sib txawv ntawm cov ntsuas ntsuas tshwj xeeb, koob coke tuaj yeem faib ua qib super (qib zoo heev), qib thawj thiab qib thib ob.
Qhov sib txawv ntawm kev ua tau zoo ntawm cov thee thiab roj koob coke suav nrog cov ntsiab lus hauv qab no.
1. Nyob rau hauv tib lub xeev, lub graphite electrode ua los ntawm roj koob coke yog yooj yim dua rau cov duab dua li cov thee koob coke.
2. Tom qab ua cov khoom graphite, qhov ceev thiab lub zog ntawm cov khoom graphitized ntawm cov roj-series koob coke yog me ntsis siab dua li ntawm cov thee-series koob coke, uas yog tshwm sim los ntawm kev nthuav dav ntawm cov thee-series koob coke thaum lub sijhawm graphitization.
3. Hauv kev siv tshwj xeeb ntawm graphite electrode, cov khoom graphitized ntawm cov roj koob coke muaj cov coefficient qis dua ntawm kev nthuav dav thermal.
4. Hais txog cov ntsuas lub cev thiab tshuaj lom neeg ntawm graphite electrode, qhov kev tiv thaiv tshwj xeeb ntawm cov khoom graphitized ntawm cov roj koob coke yog me ntsis siab dua li ntawm cov khoom siv koob coke thee.
5. Qhov tseem ceeb tshaj plaws yog tias cov thee ntsuas koob coke nthuav dav thaum qhov kub nce mus txog 1500-2000 ℃ hauv cov txheej txheem ntawm kev ua graphitization kub siab, yog li qhov kub nce siab yuav tsum tau tswj hwm nruj me ntsis, tsis txhob kub nce sai, nws yog qhov zoo tshaj plaws kom tsis txhob siv cov txheej txheem graphitization series, cov thee ntsuas koob coke los ntawm kev ntxiv cov khoom ntxiv los tswj nws qhov kev nthuav dav, qhov kev nthuav dav tuaj yeem txo qis. Tab sis nws nyuaj dua los ua tiav cov roj koob coke.
6. Cov roj calcined koob coke muaj cov coke me dua thiab cov khoom me me, thaum cov thee koob coke muaj cov ntsiab lus tsawg dua thiab cov khoom loj (35 - 40 hli), uas tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm cov mis me me, tab sis nws coj teeb meem rau cov neeg siv.
7. Raws li kev qhia txog Nyiv Petroleum Coke Company, nws ntseeg tias cov khoom xyaw ntawm cov roj coke koob yooj yim dua li cov thee koob coke, yog li nws yooj yim los tswj lub sijhawm coking thiab cua sov.
Los ntawm cov saum toj no, cov roj coke koob muaj plaub qhov qis: qhov hnyav tsis tseeb, lub zog qis, CTE qis, kev tiv thaiv tshwj xeeb qis, thawj ob yam khoom qis rau graphite, ob yam khoom kawg qis rau graphite yog qhov zoo. Zuag qhia tag nrho, cov ntsuas kev ua tau zoo ntawm cov roj series koob coke zoo dua li cov thee series koob coke, thiab qhov kev thov kuj ntau dua.
Tam sim no, graphite electrode yog lub khw muag khoom tseem ceeb rau cov koob coke, suav txog li 60% ntawm tag nrho cov kev siv koob coke, thaum cov tuam txhab electrode muaj kev thov zoo meej rau koob coke, tsis muaj kev thov zoo tus kheej. Kev thov koob coke ntawm cov khoom siv lithium ion roj teeb anode yog ntau haiv neeg, kev lag luam digital siab nyiam cov roj coke siav, kev lag luam roj teeb fais fab yog nyob ntawm coke ntau dua nrog kev ua tau zoo dua.
Kev tsim cov tshuaj coke muaj qee qhov kev txwv kev txawj ntse, yog li cov lag luam hauv tsev tsis tshua muaj. Tam sim no, cov lag luam tsim cov roj tshuaj coke hauv tsev muaj xws li: Weifang Fumei tshiab zog, Shandong Jingyang, Shandong Yida, Jinzhou Petrochemical, Shandong Lianhua, Bora Biological, Weifang Fumei tshiab zog, Shandong Yiwei, Sinopec jinling Petrochemical, Maoming petrochemical, thiab lwm yam. Coal series koob tshuaj coke cov lag luam tsim cov khoom siv carbon Baowu, Baotailong technology, Anshan qhib carbon, Anshan Chemical, Fang Daxi ke Mo, Shanxi Macro, Henan qhib carbon, Xuyang Group, Zaozhuang revitalization, Ningxia Baichuan, Tangshan Dongri tshiab zog, Taiyuan Shengxu thiab lwm yam.
Lub sijhawm tshaj tawm: Lub Kaum Hli-19-2021