Cikakken Bayani
Na'urorin lantarki suna ɗaukar wutar lantarki da ke dumama murhun wutan lantarki, mafi yawancin tanderun ƙarfe. Ana yin su ne daga man petroleum coke bayan an haxa shi da filin man fetur, sai a fitar da su da siffa, sannan a gasa su a yi shi, sannan a yi graphitized ta hanyar dumama shi sama da zafin jiki (3000 ° C) wanda ke canza carbon zuwa graphite. Suna iya bambanta cikin girman har zuwa tsayin ƙafa 11 da inci 30 a diamita.
Amfani
- 01 Ana yin ƙarin adadin ƙarfe na duniya ta amfani da tanderun baka na lantarki
- 02 Wutar wutar lantarki da kanta tana samun inganci kuma tana yin ƙarin ƙarfe akan kowace ton na lantarki
Abubuwan da aka saba na UHP graphite lantarki
| Furmace mai amfani Dia | AC Furnace | DC Furnace | |||
| 300-400 mm | 450-500 mm | 550-600 mm | 650-700 mm | ||
| Yawan yawa | g/cm³ | 1.65 ~ 1.76 | 1.64 zuwa 1.75 | 1.64 zuwa 1.75 | 1.64 zuwa 1.75 |
| Takamaiman Juriya | μΩM | 4.2 zuwa 6.0 | 4.2 zuwa 6.0 | 4.2 zuwa 6.0 | 4.2 zuwa 5.5 |
| Na roba Modulus | Gpa | 7 zuwa 14 | 7 zuwa 14 | 7 zuwa 14 | 7 zuwa 14 |
| kgf/mm² | 700 ~ 1,400 | 700 ~ 1,400 | 700 ~ 1,400 | 700 ~ 1,400 | |
| Ƙarfin Flexural | MPa | 10.5 zuwa 15 | 10 zuwa 15 | 10 zuwa 15 | 10 zuwa 15 |
| kgf/cm² | 105 zuwa 150 | 100 ~ 150 | 100-150 | 100 ~ 150 | |
| N/cm² | 1,050 ~ 1,500 | 1,000 ~ 1,500 | 1,000 ~ 1,500 | 1,000 ~ 1,500 | |
| Coefficient na Thermal | X10 ~ -6 / ℃ | 1.0 zuwa 1.5 | 1.0 zuwa 1.5 | 1.0 zuwa 1.5 | 1.0-1.4 |
| Maƙarƙashiyar gaske | g/cm³ | 2.20 zuwa 2.23 | 2.20 zuwa 2.23 | 2.20 zuwa 2.23 | 2.20 zuwa 2.23 |
| Porosity | % | 20 zuwa 26 | 20 zuwa 27 | 20 zuwa 27 | 20 zuwa 27 |
| Abubuwan Ash | % | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 |
Abubuwan da suka dace na nonuwa
| Ƙayyadaddun bayanai | ≤φ400 | φ450-500 | φ550 | φ600-700 |
| Takamaiman Juriya (μΩM) | ≤4.0 | ≤3.8 | ≤3.6 | ≤3.6 |
| Ƙarfin Ƙarfi (MPa) | 18-24 | 17-25 | 20-28 | 20-28 |
| astic Modulus (GPa) | ≤18 | ≤18 | ≤18 | ≤18 |
| Girman Girma (g/cm³) | 1.76-1.84 | 1.78-1.84 | 1.79-1.86 | 1.79-1.86 |
| Coefficient Of Thermal Expansion (106/℃) | 0.9-1.3 | 0.9-1.2 | 0.9-1.1 | 0.9-1.1 |
| Abubuwan Ash (%) | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 |
Ƙarfin ɗaukar hoto na UHP na lantarki na graphite na yanzu
| Ƙarfin Yanzu Na UHP Graphite Electrodes | |||||
| Ƙayyadaddun bayanai | Ƙarfin Yanzu (A) | Girman Yanzu (A/cm²) | |||
| (inch) | (mm) | AC | DC | AC | DC |
| 12 | 300 | 18,000-32,000 | - | 24-43 | - |
| 14 | 350 | 22,000-39,000 | - | 22-39 | - |
| 16 | 400 | 28,000-47,000 | - | 21-36 | - |
| 18 | 450 | 34,000-55,000 | - | 21-33 | - |
| 20 | 500 | 41,000-63,000 | - | 20-31 | - |
| 22 | 550 | 48,000-70,000 | 65,000-78,000 | 19-28 | 26-32 |
| 24 | 600 | 55,000-80,000 | 75,000-90,000 | 19-27 | 26-31 |
| W | 650 | 69,000-89,000 | 87,000-104,000 | 20-26 | 25-30 |
| 28 | 700 | 80,000-100,000 | 100,000-120,000 | 20-25 | 25-30 |
