"Msika wapadziko lonse wa graphite electrode unali ndi mtengo wa madola 9.13 biliyoni aku US mu 2018 ndipo ukuyembekezeka kufika madola 16.48 biliyoni aku US pofika chaka cha 2025, ndi kukula kwa pachaka kwa 8.78% panthawi yomwe yanenedweratu."
Chifukwa cha kuchuluka kwa kupanga zitsulo komanso kukula kwa mafakitale amakono, kufunikira kwa zida zauinjiniya ndi zomangamanga kukupitilirabe kukwera, zomwe ndi zina mwazinthu zofunika kwambiri zomwe zikuyendetsa kukula kwa msika wamagetsi padziko lonse lapansi wa graphite.
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Ma electrode a grafiti ndi zinthu zotenthetsera zomwe zimagwiritsidwa ntchito mu ng'anjo zamagetsi za arc kupanga chitsulo kuchokera ku zinyalala, magalimoto akale ndi zida zina. Ma electrode amapereka kutentha kwa chitsulo chodulidwa kuti chisungunuke kuti chipange chitsulo chatsopano. Ma ng'anjo zamagetsi za arc amagwiritsidwa ntchito kwambiri m'mafakitale opanga zitsulo ndi aluminiyamu chifukwa ndi otsika mtengo kupanga. Ma electrode a grafiti amatha kusonkhanitsidwa m'ma silinda chifukwa ndi gawo la chivundikiro cha ng'anjo zamagetsi. Mphamvu yamagetsi yomwe imaperekedwa ikadutsa mu ma electrode a graphite awa, arc yamagetsi yamphamvu imapangidwa, ndikusungunula chitsulo chodulidwa. Malinga ndi kufunika kwa kutentha ndi kukula kwa ng'anjo yamagetsi, ma electrode amitundu yosiyanasiyana angagwiritsidwe ntchito. Kuti apange tani imodzi yachitsulo, pafupifupi 3 kg ya ma electrode a graphite amafunika. Pakupanga chitsulo, graphite imatha kupirira kutentha kwakukulu kotero, kotero kutentha kwa nsonga ya electrode kumafika pafupifupi madigiri 3000 Celsius. Singano ndi petroleum coke ndi zinthu zazikulu zomwe zimagwiritsidwa ntchito popanga ma electrode a graphite. Zimatenga miyezi isanu ndi umodzi kupanga ma electrode a graphite, kenako njira zina, kuphatikizapo kuphika ndi kuphikanso, zimagwiritsidwa ntchito kusintha coke kukhala graphite. Ma electrode a graphite ndi osavuta kupanga kuposa ma electrode amkuwa, ndipo liwiro lopanga ndi lachangu chifukwa silifuna njira zina zowonjezera monga kupukutira ndi manja.
Kumanga msika wa ma electrode a grafiti, kufunikira kwakukulu kwa chitsulo m'mafakitale amafuta ndi gasi ndi magalimoto kukuyembekezeka kukulitsa chitukuko cha msika wa ma electrode a grafiti. Zoposa 50% za chitsulo chomwe chimapangidwa padziko lonse lapansi chimagwiritsidwa ntchito m'mafakitale omanga ndi zomangamanga. Lipotilo likuphatikizapo zoyambitsa, zopinga, mwayi, ndi zomwe zachitika posachedwapa zomwe zathandizira kukula kwa msika panthawi yosanthula. Lipotilo likuwunika mwatsatanetsatane mitundu ndi ntchito za magawo am'deralo.
Ma electrode a grafiti ndi amodzi mwa ma conductor, ndipo ndi gawo lofunika kwambiri pakupanga zitsulo. Munjira iyi, chitsulo chotsalira chimasungunuka mu ng'anjo yamagetsi ndikubwezeretsanso. Ma electrode a grafiti omwe ali mkati mwa ng'anjo amasungunula chitsulocho. Grafiti imakhala ndi kutentha kwambiri, ndipo imapirira kutentha kwambiri komanso kugwedezeka. Imakana kukana, zomwe zikutanthauza kuti imatha kuyendetsa mafunde akuluakulu ofunikira kuti isungunule chitsulocho. Ma electrode a grafiti amagwiritsidwa ntchito kwambiri mu ng'anjo yamagetsi ya arc (EAF) ndi ng'anjo ya ladle (LF) popanga zitsulo, ferroalloy, silicon metal graphite electrode imagwiritsidwa ntchito mu ng'anjo yamagetsi ya arc (EAF) ndi ng'anjo ya ladle (LF) popanga zitsulo, ferroalloy, silicon metal graphite electrode.
Lipotilo la msika wa graphite electrode padziko lonse lapansi limakhudza osewera odziwika bwino monga GrafTech, Fangda Carbon China, SGL Carbon Germany, Showa Denko, Graphite India, HEG India, Tokai Carbon Japan, Nippon Carbon Japan, SEC Carbon Japan, ndi ena. American GrafTech, Fangda Carbon China ndi Graphite India ali ndi mphamvu yonse yopangira matani 454,000.
Nthawi yotumizira: Marichi-04-2021