"Imakethe ye-graphite electrode yomhlaba wonke ibilinganiselwa ku-9.13 billion wamadola aseMelika ngo-2018 futhi kulindeleke ukuthi ifinyelele ezigidini eziyizinkulungwane ezingama-16.48 ngonyaka ka-2025, ngesilinganiso sokukhula saminyaka yonke esingu-8.78% ngesikhathi sokubikezela."
Ngokukhula kokukhiqizwa kwensimbi kanye nokwakhiwa kwezimboni zengqalasizinda yesimanje, isidingo sobunjiniyela kanye nezinto zokwakha siyaqhubeka nokwanda, okungezinye zezinto ezibalulekile eziqhuba ukukhula kwemakethe ye-graphite electrode yomhlaba wonke.
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Ama-electrode e-graphite ayizinto zokufudumeza ezisetshenziswa ezithandweni zikagesi ze-arc ukwenza insimbi kusuka ku-scrap, izimoto ezindala nezinye izinto zokusebenza. Ama-electrode ahlinzeka ngokushisa ensimbini eyizinsimbi ukuze incibilike ukuze ikhiqize insimbi entsha. Izithando zama-arc zikagesi zisetshenziswa kakhulu ezimbonini zokukhiqiza insimbi ne-aluminium ngoba zishibhile ukwenziwa. Ama-electrode e-graphite angahlanganiswa abe amasilinda ngoba ayingxenye yesembozo somlilo kagesi. Lapho amandla kagesi anikeziwe edlula kulawa ma-electrode e-graphite, kwakheka i-arc kagesi eqinile, encibilikisa insimbi eyisicucu. Ngokwesidingo sokushisa kanye nobukhulu besithando somlilo kagesi, ama-electrode amasayizi ahlukene angasetshenziswa. Ukuze kukhiqizwe ithani elingu-1 lensimbi, cishe amakhilogremu amathathu wama-graphite electrode ayadingeka. Ekwenziweni kwensimbi, i-graphite inamandla okumelana namazinga okushisa aphezulu, ngakho izinga lokushisa lethiphu ye-electrode lifinyelela cishe ku-3000 degrees Celsius. Izinaliti kanye ne-petroleum coke yizinto zokusetshenziswa eziyinhloko ezisetshenziselwa ukwenza ama-graphite electrode. Kuthatha izinyanga eziyisithupha ukwenza ama-electrode e-graphite, bese kusetshenziswa izinqubo ezithile, ezihlanganisa ukubhaka nokubhaka kabusha, ukuze kuguqulwe i-coke ibe i-graphite. Ama-electrode e-graphite kulula ukuwenza kunama-electrode ethusi, futhi ijubane lokukhiqiza liyashesha ngoba alidingi izinqubo ezengeziwe ezifana nokugaya ngesandla.
Ukwakhiwa kwemakethe ye-graphite electrode, ukwanda kwesidingo sensimbi embonini kawoyela negesi neyezimoto kulindeleke ukuthi kukhuthaze ukuthuthukiswa kwemakethe ye-graphite electrode. Ngaphezu kwama-50% ensimbi ekhiqizwa emhlabeni wonke asetshenziswa ezimbonini zokwakha kanye nengqalasizinda. Umbiko uhlanganisa abashayeli, izithiyo, amathuba, kanye nezitayela zakamuva ezibe nomthelela ekukhuleni kwemakethe ngesikhathi sokuhlaziya. Umbiko uhlaziya ngokuningiliziwe izinhlobo nokusetshenziswa kokuhlukaniswa kwesifunda.
I-electrode ye-graphite ingenye yama-conductor, futhi iyingxenye ebalulekile yenqubo yokwenza insimbi. Kule nqubo, insimbi eyinsimbi iyancibilika esithandweni se-arc sikagesi futhi igaywe kabusha. I-electrode yegraphite ngaphakathi kwesithando empeleni yayincibilikisa insimbi. I-graphite ine-thermal conductivity ephezulu, futhi imelana kakhulu nokushisa nomthelela. Inokumelana okuphansi, okusho ukuthi ingaqhuba imisinga emikhulu edingekayo ukuze incibilike insimbi. I-electrode ye-graphite isetshenziswa kakhulu esithandweni sikagesi se-arc (EAF) kanye nesithando somlilo se-ladle (LF) sokukhiqiza insimbi, i-ferroalloy, i-silicon metal graphite electrode isetshenziswa esithandweni somlilo se-arc kagesi (EAF) kanye nesithando somlilo se-ladle (LF) ukukhiqizwa kwensimbi, ukukhiqizwa kwe-ferroalloy, I-silicon metal Ukukhiqizwa kanye nenqubo yokuncibilikisa
Umbiko wemakethe ye-graphite electrode yomhlaba wonke uhlanganisa abadlali abaziwayo abafana ne-GrafTech, i-Fangda Carbon China, i-SGL Carbon Germany, i-Showa Denko, i-Graphite India, i-HEG India, i-Tokai Carbon Japan, i-Nippon Carbon Japan, i-SEC Carbon Japan, njll. American GrafTech, Fangda I-Carbon China ne-Graphite India anamandla okukhiqiza amathani angu-454,000.
Isikhathi sokuthumela: Mar-04-2021