Mmaraka oa graphite electrode, o ileng oa theoha selemong se fetileng, o entse phetoho e kholo selemong sena.
“Karolong ea pele ea selemo, li-electrode tsa rōna tsa graphite li ne li haella haholo.”Kaha lekhalo la 'maraka selemong sena le ka ba lithane tse 100,000, ho lebeletsoe hore kamano ena e tiileng pakeng tsa phepelo le tlhokahalo e tla tsoela pele.
Ho utloisisoa hore ho tloha ka January selemong sena, theko ea electrode ea graphite e ntse e phahama ka ho tsoelang pele, ho tloha hoo e ka bang 18,000 yuan / tonne qalong ea selemo ho ea ho hoo e ka bang 64,000 yuan / tonne hona joale, ka keketseho ea 256%.Ka nako e ts'oanang, nale coke, e le thepa ea bohlokoa ka ho fetisisa e tala ea graphite electrode, e fetohile e fokolang, 'me theko ea eona e ntse e phahama hohle, e eketsehileng ka ho feta 300% ha e bapisoa le qalong ea selemo.
Tlhokahalo ea likhoebo tse tlase tsa tšepe e matla
Graphite electrode e haholo-holo entsoe ka petroleum coke le nale coke e le thepa e tala le mashala sekontiri se metsi sekontiri se metsi e le binder, 'me haholo-holo sebelisoa ka arc steelmaking sebopi, submerged arc sebōpi, ho hanyetsa sebōpi, joalo-joalo The electrode graphite bakeng sa ho etsa tšepe litlaleho tse ka bang 70% ho 80% ea kakaretso ea tšebeliso ea electrode ea graphite.
Ka 2016, ka lebaka la ho theoha ha tlhahiso ea tšepe ea EAF, katleho e akaretsang ea lik'hamphani tsa carbon e ile ea theoha.Ho ea ka lipalo-palo, kakaretso ea thekiso ea li-electrode tsa graphite naheng ea Chaena e fokotsehile ka 4.59% selemo le selemo ka 2016, 'me tahlehelo eohle ea likhoebo tse leshome tse holimo tsa li-electrode e ne e le li-yuan tse limilione tse 222.K'hamphani e 'ngoe le e' ngoe ea k'habone e loana ntoa ea litheko ho boloka karolo ea eona ea mmaraka, 'me theko ea thekiso ea electrode ea graphite e tlase haholo ho feta litšenyehelo.
Boemo bona bo fetohile selemong sena.Ka ho teba ha phetoho ea lehlakore la phepelo, indasteri ea tšepe le tšepe e ntse e tsoela pele ho ntlafala, 'me "strip steel" le libono tsa maqhubu a mahareng li hloekisitsoe le ho lokisoa ka botlalo libakeng tse fapaneng, tlhoko ea libopi tsa motlakase likhoebong tsa tšepe e eketsehile. ka matla, ka hona ho khanna tlhokahalo ea li-electrode tsa graphite, ka tlhokahalo e hakanyetsoang ea selemo le selemo ea lithane tse 600,000.
Hajoale, ho na le likhoebo tse fetang 40 tse nang le matla a tlhahiso ea li-electrode tsa graphite tse fetang lithane tse 10,000 Chaena, tse nang le kakaretso ea tlhahiso ea lithane tse ka bang limilione tse 1.1.Leha ho le joalo, ka lebaka la tšusumetso ea bahlahlobi ba ts'ireletso ea tikoloho selemong sena, likhoebo tsa tlhahiso ea li-electrode tsa graphite liprofinseng tsa Hebei, Shandong le Henan li boemong ba tlhahiso e fokolang le ho emisoa ha tlhahiso, 'me tlhahiso ea selemo le selemo ea li-electrode ea graphite e hakanngoa hore e ka ba lithane tse 500,000.
"Lekhalo la 'maraka la lithane tse ka bang 100,000 le ke ke la rarolloa ke likhoebo tse eketsang tlhahiso ea tlhahiso."Ning Qingcai o boletse hore potoloho ea tlhahiso ea lihlahisoa tsa li-electrode tsa graphite hangata e feta likhoeli tse peli kapa tse tharo, 'me ka potoloho ea li-stocking, ho thata ho eketsa molumo ka nako e khutšoanyane.
Likhoebo tsa carbon li fokolitse tlhahiso le ho koala, empa tlhokahalo ea likhoebo tsa tšepe e ntse e eketseha, e leng se lebisang ho graphite electrode ho fetoha thepa e thata 'marakeng,' me theko ea eona e ntse e phahama hohle.Hona joale, theko ea 'maraka e eketsehile ka makhetlo a 2.5 ha e bapisoa le January selemong sena.Likhoebo tse ling tsa tšepe li tlameha ho lefa esale pele e le hore li ka fumana thepa.
Ho ea ka batho ba ka hare ho indasteri, ha ho bapisoa le sebōpi sa blast, tšepe ea sebōpi ea motlakase e boloka matla, e boloka tikoloho le carbon e tlaase.Ha China e kena potolohong ea ho theoha ha chelete, tšepe ea sebōpi sa motlakase e tla finyella tsoelo-pele e kholoanyane.Ho hakanngoa hore karolo ea eona ka kakaretso ea tlhahiso ea tšepe e lebelletsoe ho eketseha ho tloha ho 6% ka 2016 ho ea ho 30% ka 2030, 'me tlhokahalo ea li-electrode tsa graphite e ntse e le khōlō nakong e tlang.
Keketseho ea theko ea lihlahisoa tse tala ha e fokotsehe
Keketseho ea theko ea li-electrode tsa graphite e ile ea fetisetsoa ka potlako karolong e ka holimo ea ketane ea indasteri.Ho tloha qalong ea selemo sena, litheko tsa lisebelisoa tse kholo tsa tlhahiso ea khabone, joalo ka petroleum coke, coke tar pitch, calcined coke le needle coke, li ntse li nyoloha khafetsa, ka keketseho ea karolelano ea 100%.
Hlooho ea lefapha la rona la theko e hlalositse e le "ho phahama".Ho ea ka motho ea ikarabellang, motheong oa ho matlafatsa kahlolo ea pele ea 'maraka, k'hamphani e nkile mehato e kang ho reka ka theko e tlaase le ho eketsa thepa ho sebetsana ka katleho le ho eketseha ha theko le ho netefatsa tlhahiso, empa ho phahama ho hoholo ha thepa e tala ke hole hofeta tebello.
Har'a lihlahisoa tse ntseng li phahama, nale coke, e le thepa e ka sehloohong e tala ea graphite electrode, e na le keketseho e kholo ka ho fetisisa ea theko, ka theko e phahameng ka ho fetisisa e nyolohang ka 67% ka letsatsi le le leng le ho feta 300% ka halofo ea selemo.Hoa tsebahala hore nale coke e etsa chelete e fetang 70% ea litšenyehelo tsohle tsa graphite electrode, 'me thepa e tala ea elektrode ea graphite e phahameng haholo e entsoe ka nale coke, e jang lithane tse 1.05 ka tone e le 'ngoe ea matla a phahameng a graphite. electrode.
Nale coke e ka boela ea sebelisoa ka libeteri tsa lithium, matla a nyutlelie, sefofane le masimo a mang.Ke sehlahisoa se haellang lapeng le kantle ho naha, 'me boholo ba sona se itšetlehile ka thepa e tsoang Chaena,' me theko ea eona e lula e le holimo.E le ho netefatsa tlhahiso, likhoebo tsa li-electrode tsa graphite li ile tsa qhoma ka ho latellana, e leng se ileng sa lebisa keketsehong e tsoelang pele ea theko ea nale ea coke.
Hoa utloisisoa hore ho na le likhoebo tse fokolang tse hlahisang coke ea nale Chaena, 'me batho ba indasteri ba lumela hore ho eketseha ha theko ho bonahala e le lentsoe le tloaelehileng.Leha liphaello tsa bahlahisi ba bang ba thepa e tala li ntlafetse haholo, likotsi tsa 'maraka le litšenyehelo tsa ts'ebetso ea likhoebo tse tlase tsa khabone li ntse li eketseha.
Nako ea poso: Jan-25-2021