I-electrode yegrafiti yinxalenye ebalulekileyo yokwenza intsimbi ye-EAF, kodwa ithatha inxenye encinci yexabiso lokwenza intsimbi. Kuthatha iikhilogram ezi-2 ze-electrode yegrafiti ukuvelisa itoni yentsimbi.
Kutheni usebenzisa ii-electrode ze-graphite?
I-electrode yegrafiti yeyona nto iphambili esetyenziswa ekufudumaleni kwesithando somlilo se-arc. I-EAFs yinkqubo yokunyibilikisa iinkunkuma zeemoto ezindala okanye izixhobo zasekhaya ukuvelisa intsimbi entsha.
Iindleko zokwakha i-arc furnace yombane ziphantsi kunezo ze-blast furnace yendabuko. Ii-blast furnace zemveli zenza intsimbi nge-iron ore kwaye zisebenzisa amalahle okupheka njengepetroli. Nangona kunjalo, iindleko zokwenza intsimbi ziphezulu kwaye ungcoliseko lokusingqongileyo lubi kakhulu. Nangona kunjalo, i-EAF IYASEBENZISA intsimbi elahliweyo kunye nombane, nto leyo engayichaphazeli kangako indalo.
I-electrode yegrafiti isetyenziselwa ukuhlanganisa i-electrode kunye nesigqubuthelo sesithando somlilo zibe yi-total epheleleyo, kwaye i-electrode yegrafiti ingasetyenziswa phezulu nasezantsi. Emva koko umbane udlula kwi-electrode, wenze i-arc yobushushu obuphezulu enyibilikisa intsimbi ekrwada. Ii-electrode zingafikelela kwi-800mm (2.5ft) ububanzi kwaye zifikelele kwi-2800mm (9ft) ubude. Ubunzima obuphezulu bungaphezulu kweetoni ezimbini ze-metric.
Ukusetyenziswa kwe-graphite electrode
Kuthatha iikhilogram ezi-2 (iikhilogram ezi-4.4) zee-electrodes ze-graphite ukuvelisa itoni yentsimbi.
Ubushushu be-electrode ye-graphite
Incam ye-electrode iya kufikelela kwi-3,000 degrees Celsius, isiqingatha sobushushu bomphezulu welanga. I-electrode yenziwe nge-graphite, kuba yi-graphite kuphela enokumelana nobushushu obuphezulu kangaka.
Emva koko jika isitovu ecaleni kwaso uze uthulule intsimbi enyibilikisiweyo kwiibharele ezinkulu. Emva koko iladle ihambisa intsimbi enyibilikisiweyo kwi-caster ye-steel fill, eguqula inkunkuma ephinde yasetyenziswa ibe yimveliso entsha.
I-electrode yegrafiti isebenzisa umbane
Le nkqubo ifuna umbane owaneleyo ukunika amandla idolophu enabantu abayi-100,000. Kwisithando sombane sanamhlanje, ukunyibilika ngakunye kuthatha imizuzu engama-90 kwaye kunokuvelisa iitoni ezili-150 zentsimbi, ezaneleyo ukwenza iimoto ezili-125.
Impahla engekasilwa
I-Needle coke yeyona nto iphambili esetyenziswa kwezi electrodes, ezithatha iinyanga ezintathu ukuya kwezintandathu ukuze zenziwe. Le nkqubo ibandakanya ukurosta kunye nokuphinda kufakwe i-coke ukuze iguqule i-coke ibe yi-graphite, utshilo umenzi.
Kukho i-needle coke esekwe kwi-petroleum kunye ne-needle coke esekwe kumalahle, zombini ezi zinto zingasetyenziselwa ukuvelisa ii-electrode ze-graphite. I-"Pet coke" yimveliso ephuma kwinkqubo yokucocwa kwe-petroleum, ngelixa i-coal-to-coke yenziwa nge-coal tar eyenzeka ngexesha lenkqubo yokuveliswa kwe-coke.
Ixesha lokuthumela: Oktobha-30-2020