ʻO ka ʻelepona graphite HP ka mea alakaʻi no ka hana kila o nā umu arc uila. Hana ʻia ia me ka petroleum coke, needle coke, lanahu pitch a hana ʻia e kahi moʻo o nā kaʻina hana hana paʻa. Hoʻokomo ʻia nā laina au kiʻekiʻe ma o ka puka ʻelepona graphite i loko o ke kino o ka umu. E hoʻokuʻu kēia i ka ikehu uila i loko o ka umu arc e hoʻomehana i ka umu.
Ke piʻi nei ke koi no nā electrodes anawaena nui aʻe i ka nui ʻana o nā nui o ka umu EAF. Ua lilo nā electrodes graphite me ke anawaena o 500 mm a i ʻole 600 mm i mea kaulana i nā makahiki i hala iho nei.
Lapaʻau anti-oxidation no ka lōʻihi o ke ola.
Maʻemaʻe kiʻekiʻe, paʻapū kiʻekiʻe, kūpaʻa kemika ikaika.
ʻO ke pololei o ka mīkini kiʻekiʻe, ka hoʻopau ʻana i ka ʻili maikaʻi.
Ikaika mechanical kiʻekiʻe, kū'ē uila haʻahaʻa.
Kūpaʻa i ka nahā a me ka spalling.
Ke kūpaʻa kiʻekiʻe i ka oxidation a me ka haʻalulu wela.
Hoʻohana nui ʻia nā electrodes graphite no ka hana ʻana i nā kila metala, nā metala a me nā mea hana ʻē aʻe ʻaʻole metala.
Ka umu ʻāʻī uila DC.
Ka umu ʻāʻī uila AC.
Umu ʻāʻī i hoʻokomo ʻia i loko o ka wai.
Papa 1: Kikoʻī ʻenehana o ka HP Graphite Electrode
| Anawaena | Ke kū'ē | Ka nui o ka paʻa | Ikaika Hoʻololi | Modulus Elastic | Ka nui o ka lehu | CTE | Ukana o kēia manawa | Ka nui o kēia manawa | |
| (≤, µΩ·m) | (≥, g/cm3) | (≥, MPa) | (≤, GPa) | (≤, %) | (100 °C – 600 °C) | (ʻA) | (A/cm2) | ||
| ʻīniha | mm | (≤, 10-6/°C) | |||||||
| 8 | 200 | 6.0 | 1.65 | 10.5 | 12 | 0.3 | 2.4 | 5500–9000 | 18–25 |
| 9 | 225 | 6.0 | 1.65 | 10.5 | 12 | 0.3 | 2.4 | 6500–10000 | 18–25 |
| 10 | 250 | 6.0 | 1.65 | 10.5 | 12 | 0.3 | 2.4 | 8000–13000 | 18–25 |
| 12 | 300 | 6.0 | 1.65 | 10.5 | 12 | 0.3 | 2.4 | 13000–17400 | 17–24 |
| 14 | 350 | 6.0 | 1.65 | 10.5 | 12 | 0.3 | 2.4 | 17400–24000 | 17–24 |
| 16 | 400 | 6.0 | 1.65 | 10.5 | 12 | 0.3 | 2.4 | 21000–31000 | 16–24 |
| 18 | 450 | 6.0 | 1.65 | 10.5 | 12 | 0.3 | 2.4 | 25000–40000 | 15–24 |
| 20 | 500 | 6.0 | 1.65 | 10.5 | 14 | 0.3 | 2.2 | 30000–48000 | 15–24 |
| 22 | 550 | 6.0 | 1.64 | 10.5 | 14 | 0.3 | 2.2 | 37000–57000 | 15–23 |
| 24 | 600 | 6.0 | 1.64 | 10.5 | 14 | 0.3 | 2.2 | 44000–67000 | 15–23 |
Papa 2: Ka nui a me ke ahonui o ka Graphite Electrode
| Anawaena (mm) | Ka lōʻihi (mm) | ||||||
| Anawaena inoa | Anawaena maoli | Ka Lōʻihi Inoa | Hoʻomanawanui | Lōʻihi Pōkole | |||
| (ʻīniha) | (mm) | (ʻoi loa) | (min.) | (wahi ʻino) | |||
| 8 | 200 | 205 | 200 | 197 | 1600 | ±100 | -275 |
| 9 | 225 | 230 | 225 | 222 | 1600 | ||
| 10 | 250 | 256 | 251 | 248 | 1600/1800 | ||
| 12 | 300 | 307 | 302 | 299 | 1600/1800 | ||
| 14 | 350 | 357 | 352 | 349 | 1600/1800 | ||
| 16 | 400 | 409 | 403 | 400 | 1600/1800/2000/2200 | ||
| 18 | 450 | 460 | 454 | 451 | 1600/1800/2000/2200 | ||
| 20 | 500 | 511 | 505 | 502 | 1800/2000/2200/2400 | ||
| 22 | 550 | 562 | 556 | 553 | 1800/2000/2200/2400 | ||
| 24 | 600 | 613 | 607 | 604 | 2000/2200/2400 | ||
Pono e emi ma mua o ʻelua mau kīnā a i ʻole nā puka ma ka ʻili electrode, ʻo ka nui loa i ʻōlelo ʻia ma ka pakuhi ma lalo nei.
ʻAʻohe māwae transverse ma ka ʻili electrode. No ka māwae longitudinal, pono ka lōʻihi ma lalo o 5% o ke anapuni electrode a ʻo ka laulā he 0.3 a 1.0 mm.
Pono ka laulā o ka ʻāpana ʻeleʻele ma luna o ka ʻili o ka electrode ma lalo o 1/10 o ke anapuni o ka electrode a pono ka lōʻihi ma lalo o 1/3 o ka electrode.
| Ana Kuhikuhi | Anawaena inoa o ka Graphite Electrode (mm) | |
| 300–400 | 450–600 | |
| Anawaena (mm) | 20–40 | 30–50 |
| ( | ( | |
| Hohonu (mm) | 5–10 | 10–15 |
| ( | ( | |
Q1: ʻO kāu anei company AO HUIhe mea hana a mea kālepa paha?
A1: Mea hana, i kekahi manawa kōkua mākou i kā mākou mea kūʻai aku e kūʻai i nā huahana kūpono ma ke ʻano he mea kālepa.
Q2: He aha ka MOQ?
A2. ʻAʻohe palena.
Q3: Hiki iā mākou ke kipa i kāu hale hana?
A3: ʻOiaʻiʻo, e hoʻokipa ʻia i kēlā me kēia manawa, ʻo ka ʻike ʻana he manaʻoʻiʻo
Q4: He aha kāu mau ʻōlelo uku?
A4: Kūkākūkā
Q5: Ke ʻae nei kāu ʻoihana i ka hoʻopilikino ʻana?
A5: Hiki i nā hui ʻenehana loea a me nā ʻenekinia ke hoʻomāʻona iā ʻoe.
Q6: Pehea ʻoe e hōʻoia ai i ka maikaʻi?
A6: No kēlā me kēia hana hana, loaʻa iā mākou kahi ʻōnaehana QC piha no ka hoʻohuihui kemika a me nā waiwai kino. Ma hope o ka hana ʻana, e hoʻāʻo ʻia nā waiwai āpau, a e hoʻouna ʻia ka palapala hōʻoia maikaʻi me nā waiwai.
Q7: He aha ka hapa o nā ʻoihana ma waho?
A7: Mākeke ma waho ma kahi o 50%; Mākeke kūloko ma kahi o 50%; a i kēia manawa ke piʻi nei ka hapa o ka hoʻokuʻu aku.
Q8: E hoʻolako kāu ʻoihananā laʻana?
A8: ʻAe, hiki iā mākou ke hoʻolako i nā laʻana no ka manuahi, a e lawe ʻia ka ukana e nā mea kūʻai aku.