Nrog txoj kev loj hlob sai ntawm lub zog tshiab tsheb thoob ntiaj teb, kev lag luam thov rau cov khoom siv roj teeb lithium anode tau nce ntau. Raws li kev txheeb cais, xyoo 2021, kev lag luam sab saum toj yim lithium roj teeb anode tuam txhab npaj yuav nthuav lawv lub peev xwm ntau lawm rau ze li ib lab tons. Graphitization muaj qhov cuam tshuam loj tshaj plaws ntawm qhov ntsuas thiab tus nqi ntawm cov khoom siv anode. Cov khoom siv graphitization nyob rau hauv Suav teb muaj ntau yam, kev siv lub zog siab, hnyav hnyav thiab qib qis ntawm automation, uas txwv txoj kev loj hlob ntawm cov khoom siv graphite anode rau qee yam. Nws yog qhov teeb meem tseem ceeb uas yuav tsum tau daws sai sai hauv cov txheej txheem ntawm cov khoom siv anode.
1. Cov xwm txheej tam sim no thiab kev sib piv ntawm qhov tsis zoo graphitization rauv
1.1 Atchison negative graphitization cub
Nyob rau hauv qhov hloov kho rauv hom raws li cov tsoos electrode Aitcheson rauv graphitization rauv, lub qhov cub qub yog loaded nrog graphite crucible raws li cov cab kuj ntawm cov khoom tsis zoo electrode (lub crucible yog loaded nrog carbonized tsis zoo electrode raw khoom), lub cub tawg core yog sau nrog cua sov. cov khoom siv tiv thaiv, txheej txheej yog ntim nrog cov khoom siv rwb thaiv tsev thiab cov khoom siv hluav taws xob rau hluav taws xob. Tom qab hluav taws xob, qhov kub siab ntawm 2800 ~ 3000 ℃ yog tsim los ntawm cov cua sov ntawm cov khoom siv hluav taws xob, thiab cov khoom tsis zoo hauv lub crucible yog rhuab indirectly kom ua tiav cov pob zeb kub inking ntawm cov khoom tsis zoo.
1.2. Internal tshav kub series graphitization rauv
Lub cub tawg qauv yog siv rau cov serial graphitization cub tawg siv rau zus tau tej cov graphite electrodes, thiab ob peb electrode crucible (loaded nrog tsis zoo electrode khoom) yog txuas nrog nyob rau hauv series longitudinally. Lub electrode crucible yog ob qho tib si cov cab kuj thiab cov cua sov lub cev, thiab tam sim no dhau los ntawm cov electrode crucible los ua kom kub kub thiab ncaj qha tshav kub rau cov khoom siv tsis zoo electrode. Cov txheej txheem GRAPHITization tsis siv cov khoom siv tiv thaiv, ua kom yooj yim cov txheej txheem ntawm kev thauj khoom thiab ci, thiab txo cov cua sov cia poob ntawm cov khoom siv, txuag hluav taws xob.
1.3 Daim phiaj lub thawv hom graphitization rauv
No.1 daim ntawv thov yog nce nyob rau hauv xyoo tsis ntev los no, lub ntsiab yog kawm Series acheson graphitization rauv thiab concatenated technology yam ntxwv ntawm graphitizing rauv, rauv core siv ntau daim ntawm anode phaj grid khoom lub thawv qauv, cov ntaub ntawv mus rau hauv lub cathode nyob rau hauv raw khoom, los ntawm tag nrho cov slotted kev twb kev txuas ntawm anode phaj kem yog tsau, txhua lub thawv, siv cov anode phaj foob nrog tib cov khoom. Lub kem thiab lub phaj anode ntawm cov khoom siv lub thawv qauv ua ke ua lub cev cua sov. Cov hluav taws xob ntws los ntawm cov electrode ntawm lub cub tawg lub taub hau mus rau hauv lub cev cua sov ntawm lub cub tawg, thiab qhov kub thiab txias generated ncaj qha heats cov khoom siv anode hauv lub thawv kom ua tiav lub hom phiaj ntawm graphitization.
1.4 Kev sib piv ntawm peb hom graphitization rauv
Internal heat series graphitization furnace yog mus ncaj qha tshav kub cov khoom los ntawm cua sov lub hollow graphite electrode. Lub "Joule tshav kub" ua los ntawm tam sim no los ntawm electrode crucible feem ntau yog siv los ua kom sov cov khoom thiab crucible. Cov cua kub ceev yog ceev ceev, qhov kub thiab txias faib yog ib yam, thiab cov thermal efficiency siab dua cov tsoos Atchison rauv nrog cov khoom siv cua sov. Daim phiaj-lub thawv graphitization rauv kos rau ntawm qhov zoo ntawm cov cua sov serial graphitization rauv, thiab txais yuav pre-ci anode phaj nrog tus nqi qis raws li lub cev cua sov. Piv nrog rau serial graphitization rauv, lub peev xwm thauj khoom ntawm daim phiaj-lub thawv graphitization rauv yog qhov loj dua, thiab kev siv hluav taws xob rau ib chav tsev khoom raug txo raws li.
2. Kev loj hlob kev taw qhia ntawm qhov tsis zoo graphitization rauv
2. 1 Optimize lub perimeter phab ntsa qauv
Tam sim no, lub thermal rwb thaiv tsev txheej ntawm ob peb graphitization rauv yog tsuas yog sau nrog carbon dub thiab roj av coke. Qhov no yog ib feem ntawm cov ntaub ntawv rwb thaiv tsev thaum lub sij hawm zus tau tej cov kub oxidation hlawv, txhua lub sij hawm lub loading tawm ntawm qhov yuav tsum tau hloov los yog ntxiv ib tug tshwj xeeb rwb thaiv tsev cov ntaub ntawv, kev hloov ntawm cov txheej txheem ntawm tsis zoo ib puag ncig, siab zog siv.
Muaj peev xwm xav txog yog siv lub zog tshwj xeeb thiab kub siab cement masonry phab ntsa stick adobe, txhim khu lub zog tag nrho, xyuas kom cov phab ntsa nyob rau hauv tag nrho cov lag luam voj voog stability nyob rau hauv deformation, cib seam sealing tib lub sij hawm, tiv thaiv huab cua ntau dhau los ntawm lub cib ntsa. cov kab nrib pleb thiab sib koom ua ke rau hauv lub qhov cub, txo cov oxidation hlawv ntawm cov khoom siv insulating thiab cov khoom siv anode;
Qhov thib ob yog txhawm rau txhim kho tag nrho cov txheej txheem txawb hluav taws xob dai rau sab nraum lub tshuab hluav taws xob, xws li kev siv lub zog siab fiberboard lossis calcium silicate board, cua sov theem plays lub luag haujlwm zoo sealing thiab rwb thaiv tsev, lub caij txias yog yooj yim tshem tawm. txias ceev; Thib peb, lub qhov cua channel yog teem rau hauv qab ntawm lub cub tawg thiab lub qhov cub phab ntsa. Lub qhov cua channel txais yuav prefabricated lattice cib qauv nrog poj niam lub qhov ncauj ntawm txoj siv sia, thaum txhawb kev kub-kub cement masonry, thiab xav txog qhov yuam kev cua txias hauv lub caij txias.
2. 2 Optimize lub hwj huam mov nkhaus los ntawm cov zauv simulation
Tam sim no, lub hwj huam mov nkhaus ntawm qhov tsis zoo electrode graphitization rauv yog ua raws li kev paub dhau los, thiab cov txheej txheem graphitization tau hloov kho manually txhua lub sijhawm raws li qhov kub thiab txias, thiab tsis muaj kev sib koom ua ke. Optimizing lub cua sov nkhaus yuav pom tseeb txo qhov kev siv hluav taws xob Performance index thiab ua kom muaj kev nyab xeeb ntawm lub cub tawg. NUMERICAL MODEL OF koob txhaj tshuaj yuav tsum tau tsim los ntawm kev tshawb fawb raws li ntau yam kev ciam teb thiab lub cev tsis muaj zog, thiab kev sib raug zoo ntawm qhov tam sim no, voltage, tag nrho lub zog thiab qhov kub thiab txias faib ntawm ntu ntu ntawm cov txheej txheem graphHItization yuav tsum tau txheeb xyuas, yog li los tsim qhov tsim nyog cov cua sov nkhaus thiab txuas ntxiv kho nws hauv kev ua haujlwm tiag tiag. Xws li nyob rau hauv lub sij hawm thaum ntxov ntawm lub hwj chim kis tau tus mob yog siv high-power kis tau tus mob, sai sai txo lub hwj chim thiab ces maj mam nce, lub hwj chim thiab ces txo lub hwj chim mus txog rau thaum xaus ntawm lub hwj chim.
2. 3 Extend the service life of crucible and heating body
Ntxiv nrog rau kev siv hluav taws xob, lub neej ntawm crucible thiab rhaub kuj ncaj qha txiav txim siab tus nqi ntawm qhov tsis zoo graphitization. Rau graphite crucible thiab graphite cua sov lub cev, kev tswj kev tsim khoom ntawm kev thauj khoom, tsim nyog tswj cov cua sov thiab cua txias, tsis siv neeg crucible ntau lawm kab, ntxiv dag zog rau kev sib khi los tiv thaiv oxidation thiab lwm yam kev ntsuas los ua kom lub sijhawm rov ua dua crucible, txo tus nqi ntawm graphite. inking. Ntxiv nrog rau cov kev ntsuas saum toj no, cov cua sov phaj ntawm daim phiaj lub thawv graphitization rauv kuj tseem siv tau los ua cov khoom siv cua sov ntawm pre-ci anode, electrode los yog cov khoom siv ruaj khov carbonaceous uas muaj kev tiv thaiv siab kom txuag tau tus nqi graphitization.
2.4 Kev tswj hluav taws xob hluav taws xob thiab kev siv hluav taws xob pov tseg
Cov roj flue generated thaum lub sij hawm graphitization mas yog los ntawm volatiles thiab combustion khoom ntawm anode cov ntaub ntawv, deg carbon burning, huab cua to thiab thiaj li nyob. Thaum pib ntawm lub tshuab hluav taws xob pib, volatiles thiab plua plav khiav tawm ntau, qhov chaw ua haujlwm tsis zoo, feem ntau cov tuam txhab tsis muaj kev kho mob zoo, qhov no yog qhov teeb meem loj tshaj plaws cuam tshuam rau kev ua haujlwm noj qab haus huv thiab kev nyab xeeb ntawm cov neeg ua haujlwm hauv cov khoom siv hluav taws xob tsis zoo. Kev siv zog ntxiv yuav tsum tau ua kom tiav los txiav txim siab txog kev sau zoo thiab kev tswj xyuas cov pa roj thiab plua plav hauv kev cob qhia, thiab ntsuas qhov cua tsim nyog yuav tsum tau ua kom txo tau qhov kub thiab txias thiab txhim kho qhov chaw ua haujlwm ntawm graphitization Rhiav.
Tom qab cov roj flue tuaj yeem raug sau los ntawm cov flue mus rau hauv lub combustion chamber sib xyaw combustion, tshem tawm feem ntau ntawm cov tar thiab plua plav hauv cov roj flue, nws xav tias qhov kub ntawm cov roj flue hauv lub combustion chamber yog siab dua 800 ℃, thiab pov tseg cov cua sov ntawm cov roj flue tuaj yeem rov qab los ntawm cov khib nyiab cua sov chav boiler lossis lub plhaub kub exchanger. RTO incineration thev naus laus zis siv hauv kev kho cov pa roj carbon asphalt kuj tuaj yeem siv rau kev siv, thiab cov pa roj asphalt flue yog rhuab mus rau 850 ~ 900 ℃. Los ntawm cov cua kub cia combustion, cov asphalt thiab volatile Cheebtsam thiab lwm yam polycyclic aromatic hydrocarbons nyob rau hauv lub flue roj yog oxidized thiab thaum kawg decomposed rau hauv CO2 thiab H2O, thiab cov purification efficiency yuav ncav cuag ntau tshaj 99%. Lub kaw lus muaj kev ua haujlwm ruaj khov thiab ua haujlwm siab.
2. 5 Vertical nruam tsis zoo graphitization rauv
Cov lus saum toj no tau hais ntau yam ntawm graphitization rauv yog lub ntsiab cub hluav taws xob qauv ntawm cov khoom siv anode ntau lawm hauv Suav teb, cov ntsiab lus tseem ceeb yog cov khoom siv tsis sib xws, tsis tshua muaj thermal efficiency, loading tawm tsuas yog cia siab rau kev siv phau ntawv, qib ntawm automation tsis siab. Ib qho zoo sib xws ntsug nruam tsis zoo graphitization rauv tuaj yeem tsim los ntawm kev xa mus rau cov qauv ntawm cov roj av coke calcination rauv thiab bauxite calcination ncej cub tawg. Qhov kev tiv thaiv ARC yog siv los ua qhov kub thiab txias qhov chaw, cov khoom siv txuas ntxiv tso tawm los ntawm nws tus kheej lub ntiajteb txawj nqus, thiab cov pa cua txias los yog gasification txias qauv yog siv los ua kom txias cov khoom kub hauv qhov hluav taws xob, thiab cov hmoov pneumatic conveying system. yog siv los tso tawm thiab pub cov khoom tawm sab nraum lub qhov cub. Hom FURNACE tuaj yeem paub qhov kev tsim khoom tas mus li, qhov kub cia poob ntawm lub tshuab hluav taws xob tuaj yeem raug tsis quav ntsej, yog li cov thermal efficiency tau zoo dua, cov khoom siv hluav taws xob thiab kev siv hluav taws xob zoo yog qhov pom tseeb, thiab kev ua haujlwm tsis siv neeg tuaj yeem ua tiav tiav. Cov teeb meem tseem ceeb yuav tsum tau daws yog qhov fluidity ntawm hmoov, uniformity ntawm graphitization degree, kev nyab xeeb, ntsuas kub thiab txias, thiab lwm yam. Nws ntseeg tau tias nrog kev txhim kho zoo ntawm lub cub tawg kom ntsuas kev lag luam ntau lawm, nws yuav teeb tsa lub kiv puag ncig. thaj tsam ntawm qhov tsis zoo electrode graphitization.
3 lus lus
Graphite tshuaj txheej txheem yog qhov teeb meem loj tshaj plaws plaguing lithium roj teeb anode khoom manufacturers. Qhov laj thawj tseem ceeb yog tias tseem muaj qee qhov teeb meem hauv kev siv hluav taws xob, nqi, kev tiv thaiv ib puag ncig, automation degree, kev nyab xeeb thiab lwm yam ntawm cov khoom siv dav siv hauv lub sijhawm graphitization cub. Cov qauv yav tom ntej ntawm kev lag luam yog mus rau txoj kev loj hlob ntawm tag nrho automated thiab emission emission nruam ntau lawm rauv qauv, thiab txhawb kev paub tab thiab txhim khu kev qha auxiliary txheej txheem. Nyob rau lub sijhawm ntawd, cov teeb meem graphitization uas cov lag luam plague yuav txhim kho tau zoo, thiab kev lag luam yuav nkag mus rau lub sijhawm ntawm kev txhim kho ruaj khov, txhawb kev loj hlob sai ntawm kev lag luam tshiab ntawm lub zog.
Post lub sij hawm: Aug-19-2022