Karolo ea Graphitized Petroleum Coke Liindastering tsa Smelting tsa Silicon ea Liindasteri le Silicon Carbide
I. Karolo ho qhibilihiseng silicon indastering
1. Mosebetsi oa Moemeli oa ho Fokotsa Bohloeki
Coke ea petroleum e nang le grafiti ke e 'ngoe ea metsoako ea mantlha ea ho fokotsa khabone tlhahisong ea silicon ea indasteri. Boleng ba eona bo phahameng ba khabone (90%-97%) le litšobotsi tse tlase tsa molora li etsa hore e be thepa ea bohlokoa bakeng sa ho fana ka khabone e hlokahalang bakeng sa liketso. Nakong ea ho qhibilihisa sebōpi sa arc ea motlakase, coke ea petroleum e thusa ho fetola silica (SiO₂) hore e be silicon ea indasteri ka liketso tsa ho fokotsa k'habohaedreite. Ho feta moo, conductivity ea eona ea motlakase e thusa ho laola khanyetso ea tjhaja ea sebōpi, ho laola botebo ba ho kenngoa ha electrode le ho ntlafatsa ts'ebetso ea sebōpi sa arc ea motlakase.
2. Ntlafatso ea Tshebetso ea Tefiso ea Sebōpi
- Phetoho ea Khanyetso: Ho tsamaisoa ha motlakase ha coke ea peterole ho susumetsa khanyetso ea tjhaja ea sebōpi. Ka ho fetola tekanyo ea eona le boholo ba likaroloana, katleho ea mocheso ea sebōpi sa arc ea motlakase e ka ntlafatsoa, e leng se fokotsang tšebeliso ea matla.
- Ntlafatso ea ho Lula: Coke e hloekileng ea peterole e atisa ho ba le graphitize mochesong o phahameng, e leng se lebisang ho thehoeng ha makhapetla holim'a sebōpi. Ho fokotsa sena, li-chips tsa patsi kapa sawdust lia kopanngoa ho eketsa khanyetso e itseng, ho ntlafatsa ho kenella ha tjhaja ea sebōpi, le ho tsitsisa maemo a ts'ebetso.
- Tlatsetso ea Mesebetsi ea Lik'hemik'hale: Coke ea peterole e na le thepa e fokolang ea ho fokotsa 'me hangata e sebelisoa hammoho le mashala a silicon a molora o tlase kapa mashala ho netefatsa tsoelo-pele e boreleli ea likarabelo tsa phokotso.
3. Tekanyo Pakeng tsa Boleng le Litšenyehelo
- Tlhahiso ea Silicon ea Boemo bo Holimo: Molora o tlase oa petroleum coke o etsa hore e lokele ho hlahisa silicon ea indasteri e hloekileng haholo. Leha ho le joalo, sebabole, vanadium, nickel le litšila tse ling li lokela ho laoloa, haholo-holo tlhahisong ea organosilicon, moo litekanyo tsa petroleum coke li lekanyelitsoeng ho thibela chefo ea catalyst.
- Melemo ea Moruo: Ha e bapisoa le mashala, coke ea peterole e fumaneha haholo, theko ea eona e tsitsitse, 'me ha e amehe haholo ke melao ea tikoloho, e leng se etsang hore e be moemeli ea fokotsang tlhahiso e kholo.
II. Karolo ho qhibilihiseng ha Silicon Carbide
1. Kabo ea Mohloli oa Khabone
Tlhahiso ea silicon carbide (SiC) e hloka mohloli oa carbon o hloekileng haholo. Kamora ho calcination, coke ea petroleum e nang le graphitized e bontša ho fokotseha ha dikahare tse feto-fetohang le graphitization e ntlafetseng, e fanang ka mohloli o tsitsitseng oa carbon o khothalletsang karabelo ea mohato o tiileng pakeng tsa silicon le carbon ho hlahisa silicon carbide e hloekileng haholo.
2. Litšebeliso ho Lisebelisoa tse Abrasive
Coke ea peterole e ka sebelisoa ka ho toba ho etsa li-abrasives tsa silicon carbide (mohlala, mabili a silang, sandpaper). Ho thatafala ha eona le ho hanyetsa ho tsofala ha eona ho etsa hore e be thepa ea bohlokoa bakeng sa ts'ebetso ea tšepe, ho bentša ceramic le lits'ebetso tse ling.
3. Ntlafatso ea Ts'ebetso
- Kalafo ea Calcination: Ho calcinera petroleum coke e tala mochesong oa 1300°C ho fokotsa litaba tsa haeterojene le ho ntlafatsa graphitization, ho ntlafatsa conductivity ea motlakase le ho hanyetsa mocheso oa lihlahisoa tsa silicon carbide.
- Taolo ea Boholo ba Likaroloana: Ho fetola boholo ba likaroloana tsa petroleum coke ho ntlafatsa ts'ebetso ea kristale ea silicon carbide, ho ntlafatsa ho tšoana ha sehlahisoa.
III. Karolo e Akaretsang le Boleng ba Indasteri
1. Bokgoni bo Ntlafaditsweng ba ho Qhibilihisa
Ho tsamaisa motlakase le botsitso ba lik'hemik'hale ba coke ea petroleum e nang le graphitized ho fokotsa tšebeliso ea matla ka har'a liontong tsa arc tsa motlakase, ho khutsufatsa lipotoloho tsa ho qhibilihisa, le ho ntlafatsa katleho ea tlhahiso. Mohlala, tlhahisong ea silicon ea indasteri, ho kopanya coke ea petroleum hantle ho ka fokotsa tšebeliso ea matla ka 5%-10%.
2. Netefatso ea Boleng
Ho laola maemo a sebabole, molora le litšila ka har'a petroleum coke ho fokotsa lintho tse seng tsa tšepe tse kenyellelitsoeng ka har'a silicon ea indasteri 'me ho ntlafatsa bohloeki ba silicon carbide, ho fihlela litlhoko tsa tlhahiso ea maemo a holimo (mohlala, silicon carbide ea sehlopha sa semiconductor).
3. Ho Kganna Ntlafatso ya Diindasteri
Ha indasteri ea ho qhibilihisa tšepe e ntse e tsoela pele ho ea ts'ebetsong e kholo le e bohlale, bohloeki bo phahameng ba petroleum coke le kristale li tšehetsa tlhahiso ea li-electrode pastes tse sebetsang hantle le li-electrode tse kholo tsa khabone, e leng se khothalletsang ntlafatso ea theknoloji ho pholletsa le lekala.
Nako ea poso: Loetse-25-2025