Imakethe ye-graphite electrode kulindeleke ukuthi ibhalise i-CAGR engaphezu kuka-9% ngesikhathi sokubikezela. Impahla yokuqala eluhlaza esetshenziselwa ukukhiqizwa kwe-graphite electrode iyinaliti ye-coke (kungaba esekelwe ku-petroleum noma esekelwe ngamalahle).
Ukukhuphuka kokukhiqizwa kwensimbi nensimbi emazweni asafufusa, ukukhuphuka kokutholakala kwezinsalela zensimbi eChina ngaleyo ndlela kukhulisa ukusetshenziswa kwezithando zikagesi ze-arc kulindeleke ukuthi kuqhubekisele phambili isidingo semakethe ngesikhathi sokubikezela.
Izintengo ezikhuphukayo ze-coke yenaliti okuholela ekuqineni kokuhlinzekwa phakathi kwezinye izivimbelo ezifana nokukhula okulinganiselwe kwe-UHP graphite electrode e-China kanye nokuhlanganiswa kwemboni ye-graphite electrode kungenzeka kuphazamise ukukhula kwemakethe.
Ukukhuphuka kokukhiqizwa kwensimbi ngobuchwepheshe besithando somlilo se-arc kagesi eChina kulindeleke ukuthi kusebenze njengethuba lemakethe ngokuzayo.
Amathrendi Abalulekile Emakethe
Ukwandisa Ukukhiqizwa Kwensimbi Nge-Electric Arc Furnace Technology
- Isithando somlilo se-arc sikagesi sithatha izinsalela zensimbi, i-DRI, i-HBI (insimbi eshisayo e-briquetted, ehlanganiswe i-DRI), noma insimbi yengulube esesimweni esiqinile, futhi izincibilikise ukuze kukhiqizwe insimbi. Emzileni we-EAF, ugesi unikeza amandla okuncibilikisa isitoko.
- I-electrode ye-graphite isetshenziswa ngokuyinhloko kunqubo yokwenza insimbi ye-arc kagesi (EAF), ukuncibilikisa izinsalela zensimbi. Ama-electrode enziwe nge-graphite ngenxa yekhono lawo lokumelana namazinga okushisa aphezulu. Ku-EAF, ichopho le-electrode lingafinyelela ku-3,000 Fahrenheit, okuyisigamu sezinga lokushisa lobuso belanga. Ubukhulu bama-electrode buyahlukahluka kakhulu, ukusuka ku-75mm ububanzi, kuya kubukhulu obungama-750mm ububanzi, futhi bufika ku-2,800mm ubude.
- Ukwenyuka kwentengo kwama-electrode e-graphite kwenyuse izindleko ze-EAF. Isilinganiso se-EAF silinganiselwa ukuthi sisebenzisa cishe i-1.7 kg yama-electrode e-graphite ukukhiqiza ithani elilodwa le-metric yensimbi.
- Ukwenyuka kwentengo kubangelwa ukuhlanganiswa kwezimboni, emhlabeni wonke, ukuvalwa kwamandla eChina, kulandela ukulawulwa kwemvelo, kanye nokukhula kokukhiqizwa kwe-EAF, emhlabeni jikelele. Lokhu kulinganiselwa ukuthi kuzonyusa izindleko zokukhiqiza ze-EAF ngo-1-5%, kuye ngezinqubo zokuthengwa kwemishini yokugaya, futhi lokhu kungase kukhawulele ukukhiqizwa kwensimbi, njengoba kungekho okungathatha indawo ye-graphite electrode ekusebenzeni kwe-EAF.
- Ukwengeza, izinqubomgomo zaseShayina zokubhekana nokungcoliswa komoya ziqiniswe izindlela eziqinile zokuhlinzeka, hhayi kuphela imboni yensimbi, kodwa namalahle, i-zinc, neminye imikhakha edala ukungcoliswa kwezinhlayiyana. Ngenxa yalokho, ukukhiqizwa kwensimbi yaseShayina kwehle kakhulu eminyakeni edlule. Kodwa-ke, lokhu kulindeleke ukuthi kube nomthelela omuhle emananini ensimbi nasezigayweni zensimbi esifundeni, ukuze ujabulele amamajini angcono.
- Zonke lezi zinto ezishiwo ngenhla, kulindeleke ukuthi ziqhube imakethe ye-graphite electrode ngesikhathi sokubikezela.
Isifunda sase-Asia-Pacific sizobusa Imakethe
- Isifunda sase-Asia-Pacific siphethe isabelo semakethe yomhlaba wonke. I-China ithatha isabelo esikhulu kunazo zonke mayelana nokusetshenziswa namandla okukhiqiza ama-graphite electrode esimweni somhlaba wonke.
- Iziyalezo zenqubomgomo entsha e-Beijing nakwezinye izifundazwe ezinkulu zezwe ziphoqa abakhiqizi bensimbi ukuthi bavale umthamo wensimbi ongamathani ayizigidi ezi-1.25 akhiqizwa ngomzila olimaza imvelo ukuze kukhiqizwe umthamo omusha wensimbi eyi-1 million ton. Izinqubomgomo ezinjalo ziye zasekela ukushintshwa kwabakhiqizi besuka ezindleleni ezivamile zokukhiqiza insimbi baye endleleni ye-EAF.
- Ukukhiqizwa okukhulayo kwezimoto, kanye nomkhakha wokwakha okhulayo wezindawo zokuhlala, kulindeleke ukuthi kusekele isidingo sasekhaya sama-alloys angeyona insimbi nensimbi nensimbi, okuyisici esihle sokukhula kwesidingo se-graphite electrode eminyakeni ezayo.
- Umthamo wamanje wokukhiqiza we-UHP graphite electrode eShayina ungamathani ama-metric ayizinkulungwane ezingama-50 ngonyaka. Isidingo sama-electrode e-UHP eChina kulindeleke ukuthi sibone ukukhula okuphawulekayo esikhathini eside futhi umthamo owengeziwe wamathani angaphezu kwezinkulungwane ezingama-50 we-UHP graphite electrode kulindeleke ukuthi ufakazelwe yizigaba zakamuva zesikhathi sokubikezela.
- Zonke lezi zinto ezishiwo ngenhla, kulindeleke ukuthi zikhulise isidingo se-graphite electrode esifundeni ngesikhathi sokubikezela.
Isikhathi sokuthumela: Nov-27-2020