550mm matla a phahameng a graphite electrode
HP graphite electrode e haholo-holo entsoe ka petroleum coke le nale coke, E khona ho jara segokanyipalo hona joale 18-25A/cm2.E etselitsoe ho etsa tšepe ea matla a phahameng a arc sebōpi.
Mekhoa ea sejoale-joale ea ho etsa litšepe e kenyelletsa haholo ho etsa litšepe tsa converter le tšepe ea sebopi sa motlakase.Phapang ea bohlokoa ka ho fetisisa pakeng tsa mokhoa oa ho etsa tšepe ea sebōpi sa motlakase le mokhoa oa ho fetola litšepe ke hore mokhoa oa ho etsa tšepe ea sebōpi sa motlakase o sebelisa matla a motlakase e le mohloli oa mocheso, 'me mokhoa oa ho etsa tšepe oa arc ke oona o sebelisoang ka ho fetisisa.
EAF steelmaking e thehiloe holim'a arc ea motlakase e hlahisoang ke ho tsoa pakeng tsa eleketrode le tefiso, e fetolang matla a motlakase ka har'a matla a mocheso ka har'a leseli la arc, 'me e sebelisa ketso e tobileng ea mahlaseli le arc ho futhumatsa le ho qhibiliha tšepe le slag ho smelt. tšepe le li-alloys tsa mefuta e fapaneng.
Thepa e Tloaelehileng
| Papiso ea Tekheniki ea HP Graphite Electrode 22" | ||
| Electrode | ||
| Ntho | Yuniti | Mofani oa Mofani |
| Litšobotsi tse Tloaelehileng tsa Pole | ||
| Nominal Diameter | mm | 550 |
| Max Diameter | mm | 562 |
| Min Diameter | mm | 556 |
| Bolelele ba Lebitso | mm | 1800-2400 |
| Max Length | mm | 1900-2500 |
| Min Length | mm | 1700-2300 |
| Boima ba Bongata | g/cm3 | 1.68-1,72 |
| matla a tsheletseng | MPa | ≥10.0 |
| Young 'Modulus | GPA | ≤12.0 |
| Khanyetso e Itseng | µΩm | 5.2-6.5 |
| Tekanyo e phahameng ea hona joale | KA/cm2 | 14-22 |
| Bokhoni ba ho Jara ba Hona Joale | A | 34000-53000 |
| (CTE) | 10-6 ℃ | ≤2.0 |
| dikahare tsa molora | % | ≤0.2 |
| Litšobotsi tse Tloaelehileng tsa Nipple (4TPI/3TPI) | ||
| Boima ba Bongata | g/cm3 | 1.78-1,83 |
| matla a tsheletseng | MPa | ≥22.0 |
| Young 'Modulus | GPA | ≤15.0 |
| Khanyetso e Itseng | µΩm | 3.2-4.3 |
| (CTE) | 10-6 ℃ | ≤1.8 |
| dikahare tsa molora | % | ≤0.2 |
Sebopeho sa li-electrode tsa graphite
1.Petroleum coke e ntšo ebile e porous, carbon ke eona motsoako o ka sehloohong, 'me molora o tlaase haholo, ka kakaretso o ka tlase ho 0.5%.
Petroleum coke e ka aroloa ka mefuta e 'meli ea coke e tala le calcined coke ho latela mocheso oa mocheso oa mocheso.Ea pele e na le lintho tse ngata tse sa tsitsang 'me e na le matla a tlaase a mochine.Coke ea calcined e fumanoa ka ho calcining coke e tala.
Petroleum coke e ka aroloa ka coke e phahameng ea sebabole (e nang le sebabole ka holimo ho 1.5%), coke ea sebabole e mahareng (e nang le sebabole 0.5% -1.5%), le coke e tlase ea sebabole (e nang le sebabole se ka tlase ho 0.5%) ho latela boemo ba sebabole.Li-electrode tsa graphite le lihlahisoa tse ling tsa maiketsetso tsa graphite hangata li hlahisoa ho sebelisoa coke e tlase ea sebabole.
2.Needle coke ke mofuta oa coke ea boleng bo holimo e nang le fiber e hlakileng, haholo-holo coefficient e tlase ea ho atolosa mocheso le graphitization e bonolo.Ka hona, coke ea nale ke sesebelisoa sa bohlokoa bakeng sa ho etsa li-electrode tsa graphite tse matla haholo kapa tse nang le matla a phahameng a phahameng a nang le resistivity e tlase, coefficient e nyane ea katoloso ea mocheso, le khanyetso e ntle ea mocheso oa mocheso.
3.Coal pitch ke e 'ngoe ea lihlahisoa tse ka sehloohong tsa sekontiri sa mashala ka mor'a ts'ebetso e tebileng.Ke motsoako oa li-hydrocarbon tse ngata.Sekontiri sa mashala se sebelisoa e le se tlamang le ho emisa.Ts'ebetso ea eona e na le tšusumetso e kholo ho boleng ba li-electrode tsa graphite.
