Electrodes na Graphite sune babban abin dumama da ake amfani da shi a cikin tanderun lantarki, tsarin yin ƙarfe inda ake narkar da tarkacen tsofaffin motoci ko kayan aiki don samar da sabon ƙarfe.
Tanderun lantarki sun fi rahusa a gina su fiye da tanderun fashewa na gargajiya, waɗanda ake yin ƙarfe daga ma'adinan ƙarfe kuma ana amfani da su ta hanyar kwal ɗin coking. Amma farashin yin ƙarfe ya fi girma tunda suna amfani da tarkacen ƙarfe kuma wutar lantarki ce ke amfani da su.
Lantarki wani ɓangare ne na murfin tanderu kuma an haɗa su cikin ginshiƙai. Daga nan wutar lantarki ta ratsa ta cikin lantarki, tana samar da wani babban zafi wanda ke narkar da ƙarfen da aka yayyanka. Lantarki ya bambanta sosai a girma amma yana iya kaiwa mita 0.75 (ƙafa 2 da rabi) a diamita da kuma tsawon mita 2.8 (ƙafa 9). Mafi girman yana da nauyin fiye da tan metrik biyu.
Yana ɗaukar har zuwa kilogiram 3 (6.6 lb) na lantarkin graphite don samar da tan ɗaya na ƙarfe.
Ƙarshen wutar lantarki zai kai digiri 3,000 na Celsius, rabin zafin saman rana. An yi electrodes da graphite domin graphite ne kawai zai iya jure irin wannan zafi mai tsanani.
Daga nan sai a karkatar da tandar a gefenta don zuba ƙarfen da aka narke a cikin manyan bokiti da ake kira ladles. Sai kuma kwalbar ta kai ƙarfen da aka narke zuwa injin niƙa na ƙarfe, wanda ke yin sabbin kayayyaki daga tarkacen da aka sake yin amfani da su.
Wutar lantarki da ake buƙata don wannan tsari ya isa ya samar da wutar lantarki ga garin da ke da yawan jama'a 100,000. Kowace narkewa a cikin tanderun lantarki na zamani yawanci tana ɗaukar kimanin mintuna 90 kuma tana samar da tan 150 na ƙarfe, wanda ya isa ga kimanin motoci 125.
Allura coke ita ce babban kayan da ake amfani da su a cikin na'urorin lantarki waɗanda masana'antun ke cewa na iya ɗaukar har zuwa watanni shida don yin su tare da hanyoyin da suka haɗa da yin burodi da sake yin burodi don mayar da coke zuwa graphite.
Akwai coke na allura mai tushen mai da coke na allura mai tushen kwal, kuma ana iya amfani da ɗayansu don samar da electrodes na graphite. 'Coke na dabba' wani abu ne da ya samo asali daga tsarin tace mai, yayin da coke na allura mai tushen kwal ake yin sa daga kwal da ke bayyana a lokacin samar da coke.
Ga jerin manyan masu samar da lantarki na graphite a duniya da aka lissafa bisa ga ƙarfin samarwa a shekarar 2016:
Sunan Kamfani Hedkwatar Hannun Jarin Ƙarfin Aiki
(, tan 000) YTD %
GrafTech US 191 Mai zaman kansa
Na Ƙasa da Ƙasa
Fangda Carbon China 165 +264
*SGL Carbon Jamus 150 +64
* Showa Denko Japan 139 +98
KK
Graphite Indiya Indiya 98 +416
Ltd
HEG Indiya 80 +562
Tokai Carbon Japan 64 +137
Kamfanin Ltd
Nippon Carbon Japan 30 +84
Kamfanin Ltd
SEC Carbon Japan 30 +98
*SGL Carbon a watan Oktoban 2016 ta ce za ta sayar da kasuwancinta na lantarki mai siffar graphite ga Showa Denko.
Majiyoyi: GrafTech International, UK Steel, Tokai Carbon Co Ltd
Lokacin Saƙo: Mayu-21-2021