Nekukurumidza kukura kwemotokari itsva dzesimba pasi rose, kudiwa kwemusika kwezvinhu zve lithium battery anode kwakawedzera zvakanyanya. Zvichienderana nehuwandu, muna 2021, makambani masere epamusoro e lithium battery anode muindasitiri anoronga kuwedzera kugona kwavo kugadzira kusvika kumatani angangoita miriyoni imwe. Kugadzira graphitization kune simba guru pamutengo wezvinhu zve anode. Midziyo ye graphitization muChina ine mhando dzakawanda, kushandiswa kwesimba kwakawanda, kusvibiswa kwakanyanya uye mwero wakaderera we automation, izvo zvinoganhurira kugadzirwa kwezvinhu zve graphite anode kusvika pamwero wakati. Ndiro dambudziko guru rinofanira kugadziriswa nekukurumidza mukugadzirwa kwezvinhu zve anode.
1. Mamiriro ezvinhu aripo iye zvino uye kuenzanisa kwevira rekugadzira graphitization rakaipa
1.1 Atchison negative graphitization furnace
Mumhando yechoto chakagadziriswa zvichibva pachoto chekare cheAitcheson furnace graphitization, choto chekutanga chine graphite crucible semutakuri wezvinhu zve electrode zvisina kunaka (choto chakazadzwa nezvinhu zvisina kunaka zve carbonized electrode), core yechoto yakazadzwa nezvinhu zvinodzivirira kupisa, chikamu chekunze chakazadzwa nezvinhu zvinodzivirira kupisa uye zvinodzivirira madziro echoto. Mushure mekushandiswa kwemagetsi, tembiricha yakakwira ye2800 ~ 3000℃ inogadzirwa zvakanyanya nekupisa kwechinhu chinodzivirira, uye zvinhu zvisina kunaka zviri muchoto zvinopiswa zvisina kunanga kuti zviwane inki yematombo inopisa yechinhu chisina kunaka.
1.2. Chitofu chegirafiti yemukati yekupisa
Modhi yefurnace inoreva furnace ye serial graphitization inoshandiswa kugadzira ma electrodes e graphite, uye ma electrode crucible akati wandei (akazadzwa nezvinhu zve electrode zvisina kunaka) akabatana mumutsara wenguva refu. Electrode crucible inotakura uye inodziya, uye magetsi anopfuura nemu electrode crucible kuti agadzire tembiricha yepamusoro uye apise zvakananga zvinhu zve electrode zvisina kunaka zvemukati. Maitiro eGRAPHITization haashandisi zvinhu zvinodzivirira, zvichiita kuti mashandiro ekutakura nekubika ave nyore, uye kuderedza kurasikirwa kwekuchengetedza kupisa kwezvinhu zvinodzivirira, zvichichengetedza kushandiswa kwesimba.
1.3 Grid box rudzi rwe graphitization furnace
Nhamba 1 yekushandiswa iri kuwedzera mumakore achangopfuura, chikuru chakadzidzwa Series acheson graphitization furnace uye concatenated tekinoroji hunhu hwe graphitizing furnace, furnace core yekushandisa akawanda anode plate grid material box structure, zvinhu zvinopinda mu cathode muzvinhu zvakatsvuka, kuburikidza nekubatana kwese kwakakamurwa pakati pe anode plate column yakagadziriswa, mudziyo wega wega, uchishandisa anode plate seal ine zvinhu zvakafanana. Column ne anode plate yechinhu box structure pamwe chete zvinoumba muviri wekudziisa. Magetsi anoyerera kuburikidza ne electrode yemusoro wechoto achipinda mumuviri wekudziisa wechoto, uye tembiricha yakakwira inogadzirwa inonyatso kupisa zvinhu zve anode mubhokisi kuti ibudirire chinangwa che graphitization.
1.4 Kuenzanisa kwemhando nhatu dzevira regirafiti
Chitofu chegrafiti yemukati mekupisa chinoshandiswa kupisa zvinhu zvakananga nekupisa electrode yegirafiti isina chinhu. "Joule heat" inogadzirwa nemagetsi kuburikidza neelectrode crucible inonyanya kushandiswa kupisa zvinhu necrucible. Kumhanya kwekupisa kunokurumidza, kugoverwa kwetembiricha kwakafanana, uye kushanda zvakanaka kwekupisa kwakanyanya kupfuura chitofu chekare cheAtchison chine kupisa kwezvinhu zvinodzivirira. Chitofu chegirafiti yegirafiti yegirafiti yegirafiti inoshandisa zvakanakira chitofu chegirafiti ye ...
2. Kutungamira kwekugadzirwa kwevira rekugadzira graphitization rakaipa
2. 1 Gadzirisa chimiro chemadziro chinotenderera
Parizvino, jira rekupisa rinopisa remuvira we graphitization rakawanda rinonyanya kuzadzwa ne carbon black uye petroleum coke. Chikamu ichi chechinhu chinodziya chinopisa panguva yekugadzirwa kwekupisa kwakanyanya, nguva imwe neimwe kana chinhu chakakosha chinodziya chichibviswa, kutsiva kana kuwedzera, kutsiva nharaunda isina kunaka, uye simba guru rekushanda.
Unogona kufunga nezvekushandisa simende yakasimba uye simende inodziya zvakanyanya, kusimbisa simba rayo rose, kuve nechokwadi chekuti madziro anogadzikana mukuchinja kwese kwekushanda, kuvhara musono wezvidhinha panguva imwe chete, kudzivirira mhepo yakawandisa Kuburikidza nekutsemuka kwemadziro ezvidhinha uye mukana wekubatana muchoto, kuderedza kurasikirwa kwekupisa kweoxidation kwezvinhu zvinodzivirira uye zvinhu zveanode;
Chechipiri ndechekuisa chivharo chekudzivirira chinotakurika chakarembera kunze kwemadziro echoto, senge kushandisa fiberboard yakasimba kana calcium silicate board, danho rekudziisa rinoita basa rekuvhara nekudzikamisa, danho rekutonhora riri nyore kubvisa kuti ritonhore nekukurumidza; Chechitatu, nzira yekufema yakaiswa pasi pechoto nemadziro echoto. Nzira yekufema inoshandisa chimiro chezvidhinha zve lattice zvakagadzirwa kare nemuromo wechikadzi webhandi, ukuwo ichitsigira simende inodziya zvakanyanya, uye tichifunga nezvekutonhodza kwemhepo panguva yekutonhora.
2. 2 Gadzirisa curve yemagetsi nekushandisa nhamba yekuenzanisa
Parizvino, curve yemagetsi yechoto che graphitization che negative electrode inoitwa zvichienderana neruzivo, uye maitiro e graphitization anogadziriswa nemaoko chero nguva zvichienderana netembiricha nemamiriro echoto, uye hapana chiyero chakabatana. Kugadzirisa curve yekupisa kunogona kuderedza zviri pachena kushandiswa kwesimba uye kuve nechokwadi chekushanda kwakachengeteka kwechoto. NHAMBA YEKUGADZIRISA NJERE INOFANIRA KUGADZIRWA nenzira dzesainzi zvichienderana nemamiriro akasiyana-siyana emiganhu uye ma parameter emuviri, uye hukama huripo pakati pe current, voltage, simba rese uye kugoverwa kwetembiricha kwechikamu chemuchinjikwa mu graphHItization process hunofanira kuongororwa, kuitira kuti pagadzirwe curve yakakodzera yekupisa uye kuigadzirisa nguva dzose mukushanda chaiko. Sezvakaita pakutanga kwekutumira simba, kushandiswa kwe high power transmission, wobva waderedza simba nekukurumidza wobva wawedzera zvishoma nezvishoma, simba wobva waderedza simba kusvika pakupera kwesimba.
2. 3 Wedzera hupenyu hwebasa remuviri we crucible nekudziyisa
Pamusoro pekushandiswa kwesimba, hupenyu hwechibage chinopfuta nehita hunotarisawo zvakananga mutengo we graphitization isina kunaka. Kune muviri wekupisa we graphite crucible ne graphite, sisitimu yekugadzira yekuburitsa, kudzora kwakanaka kwekupisa nekutonhodza, mutsetse wekugadzira otomatiki we crucible, kusimbisa kuvharwa kwekudzivirira oxidation nezvimwe matanho ekuwedzera nguva yekudzokorodza crucible, kuderedza zvinobudirira mutengo we graphite inking. Kuwedzera kune zviyero zvataurwa pamusoro apa, ndiro yekupisa ye grid box graphitization furnace inogonawo kushandiswa sezvinhu zvekupisa zve anode yakabikwa kare, electrode kana zvinhu zvakagadzika zve carbonaceous zvine resistivity yakakwira kuchengetedza mutengo we graphitization.
2.4 Kudzora gasi reflue uye kushandiswa kwekupisa kwemarara
Gasi rinobuda panguva yekuisa girafiti rinonyanya kubva muzvinhu zvinopisa zveanode, kupisa kabhoni pamusoro, kubuda kwemhepo nezvimwewo. Pakutanga kwekushanda kwechoto, zvinopisa guruva zvinobuda, nzvimbo yekushandira haina kunaka, mabhizinesi mazhinji haana matanho ekurapa anoshanda, iri ndiro dambudziko guru rinokanganisa hutano hwebasa nekuchengetedzeka kwevashandi mukugadzirwa kwema electrode asina kunaka. Kuedza kwakawanda kunofanirwa kuitwa kuti tifunge zvakakwana nezvekuunganidzwa nekutarisirwa kwakanaka kwegasi rinopisa guruva mu workshop, uye matanho ekufema akakodzera anofanira kutorwa kuderedza tembiricha ye workshop uye kuvandudza nzvimbo yekushandira ye graphitization workshop.
Mushure mekunge gasi remvura yabviswa kuburikidza nemhepo inodziya ichipinda mukamuri yekupisa yakasanganiswa, bvisa tara yakawanda neguruva mugasi remvura inodziya, zvinotarisirwa kuti tembiricha yegasi remvura inodziya mukamuri yekupisa ipfuure 800℃, uye kupisa kwemafuta emhepo inodziya kunogona kudzoserwa kuburikidza newaste heat steam boiler kana shell heat exchanger. Tekinoroji yekupisa yeRTO inoshandiswa mukurapa utsi hweasphalt necarbon inogona kushandiswawo sereferensi, uye gasi remvura inodziya rinopiswa kusvika 850 ~ 900℃. Kuburikidza nekupisa kwekuchengetedza kupisa, asphalt nezvimwe zvinhu zvinopisa uye mamwe mahydrocarbon ane aromatic ari mugasi remvura inodziya zvinozopedzisira zvasanganiswa kuita CO2 neH2O, uye kushanda zvakanaka kwekuchenesa kunogona kusvika pamusoro pe99%. Sisitimu iyi ine kushanda kwakasimba uye mwero wekushanda wakakwira.
2. 5 Chitofu che graphitization chinoenderera mberi chakasimba
Mhando dzakasiyana dze graphitization furnace dzataurwa pamusoro apa ndiyo chimiro chikuru che furnace chekugadzirwa kwezvinhu zve anode muChina, chinhu chinowanzo shandiswa kugadzira zvinhu zvinopisa nguva nenguva, kushanda zvakanaka kwekupisa kushoma, kurodha zvinhu kunonyanya kutsamira pakushanda nemaoko, mwero we automation hausi wepamusoro. Furnace yakafanana inogona kugadzirwa nekutarisa muenzaniso we furnace ye petroleum coke calcination uye bauxite calcination shaft furnace. Iyo resistance ARC IS inoshandiswa senzvimbo yekupisa kwakanyanya, zvinhu zvinoramba zvichiburitswa ne gravity yayo, uye chimiro chenguva dzose chekutonhodza mvura kana gasification chinoshandiswa kutonhodza zvinhu zvinopisa zvakanyanya munzvimbo yekubuditsa, uye system yekufambisa yehupfu inoshandiswa kuburitsa nekudyisa zvinhu kunze kwe furnace. Rudzi rweFURNACE runogona kuita kugadzirwa kunoramba kuripo, kurasikirwa kwekuchengetedza kupisa kwemuviri we furnace kunogona kuregeredzwa, saka kushanda kwekupisa kunovandudzwa zvakanyanya, mabhenefiti ekushandisa simba uye emagetsi ari pachena, uye kushanda kwega kwega kwega kunogona kuzadzikiswa zvizere. Matambudziko makuru anofanira kugadziriswa ndeekuti hupfu hwakatsetseka sei, kuti hupfu hwakafanana sei, kuchengetedzeka, kutarisa tembiricha nekutonhodza, nezvimwewo. Zvinotendwa kuti nekubudirira kwekugadzirwa kwechoto kuti chiwedzere kugadzirwa kwemaindasitiri, zvichatanga shanduko huru munyaya ye graphitization yemagetsi isina kunaka.
3 mutauro wepfundo
Maitiro emakemikari eGraphite ndiwo dambudziko guru rinotambudza vagadziri vezvinhu zve lithium battery anode. Chikonzero chikuru ndechekuti kuchine mamwe matambudziko mukushandiswa kwesimba, mutengo, kuchengetedzwa kwezvakatipoteredza, mwero weotomatiki, kuchengetedzeka nezvimwe zvinhu zve graphitization furnace inoshandiswa zvakanyanya. Mafambiro emangwana eindasitiri iyi ari mukuvandudzwa kwechimiro chefurnace yekugadzira otomatiki uye yakarongeka, uye kutsigira zvivakwa zvekubatsira zvakakura uye zvakavimbika. Panguva iyoyo, matambudziko egraphitization anotambudza mabhizinesi achavandudzwa zvakanyanya, uye indasitiri ichapinda munguva yekuvandudzwa kwakasimba, zvichisimudzira kukura nekukurumidza kwemaindasitiri matsva ane chekuita nesimba.
Nguva yekutumira: Nyamavhuvhu-19-2022