Ingano ya coke ni ubwoko bwiza cyane bwakozwe mu bikoresho bya karuboni. Isura yayo ni nk'ikintu gifite imyenge gifite ibara ry'umweru n'icyuma. Imiterere yayo ifite imiterere igaragara, ifite imyobo minini ariko mike kandi ifite imiterere y'uruziga. Ni ibikoresho fatizo byo gukora ibintu bya karuboni byo mu rwego rwo hejuru nka electrode ifite ingufu nyinshi cyane, ibikoresho byihariye bya karuboni, fibre ya karuboni n'ibikoresho byayo bivanze.
Dukurikije ibikoresho fatizo bitandukanye, ifu ya needle coke ishobora kugabanywamo amavuta ya needle coke na coke ya needle coke. Ifu ya needle coke ikorwa mu bisigazwa bya peteroli ni ifu ya needle coke. Ifu ya needle coke ikorwa mu icupa rya kaburimbo ry'amakara, igice cyayo kikaba ari ifu ya needle coke.
Ibipimo bigira ingaruka ku bwiza bwa needle coke birimo ubucucike nyakuri, ingano ya sulfur, ingano ya azote, ibintu bihindagurika, ingano y'ivu, ingano y'ubushyuhe, ingano y'ubushyuhe, ingano y'ubushyuhe, ingano y'umuvuduko, n'ibindi. Kubera ingano y'ibipimo bitandukanye, needle coke ishobora kugabanywamo ibice bibiri: super grade (urwego rwiza cyane), urwego rwa mbere n'urwego rwa kabiri.
Itandukaniro mu mikorere hagati ya coke y'amakara n'amavuta irimo ingingo zikurikira.
1. Mu bihe nk'ibyo, electrode ya grafiti ikozwe muri coke y'amavuta yoroshye kuyishushanya kurusha coke y'amakara yo mu bwoko bwa needle.
2. Nyuma yo gukora ibikoresho bya grafiti, ubucucike n'imbaraga by'ibicuruzwa bya grafiti bya peteroli biba biri hejuru gato y'ibya coal-series needle coke, ibyo bikaba biterwa no kwaguka kwa coal-series needle coke mu gihe cyo gukoresha grafiti.
3. Mu ikoreshwa ryihariye rya electrode ya grafiti, umusaruro wa grafiti wa coke y'amavuta ufite coefficient yo kwaguka k'ubushyuhe iri hasi.
4. Ku bijyanye n'ibipimo bya electrode ya grafiti n'iya shimi, ubushobozi bwihariye bwo guhangana n'ibicuruzwa bya grafiti bya coke y'amavuta buri hejuru gato y'ibicuruzwa bya coke y'amakara.
5. Icy'ingenzi cyane ni uko coke yo gupima amakara yiyongera iyo ubushyuhe bugeze kuri 1500-2000 ℃ mu gihe cyo gupima ubushyuhe bwinshi, bityo umuvuduko w'ubushyuhe ukwiye kugenzurwa neza, ntabwo ari ukwiyongera vuba k'ubushyuhe, ni byiza kudakoresha uburyo bwo gukora graphitization, coke yo gupima amakara yiyongeraho inyongera kugira ngo igenzure kwaguka kwayo, umuvuduko wo kwaguka ushobora kugabanuka. Ariko biragoye cyane kugera kuri coke yo gupima amavuta.
6. Ifu ya calcium ikoze mu mavuta ifite calcium nyinshi kandi ifite ingano nto y’uduce duto, mu gihe ifu ya carbon ikoze mu mavuta ifite ingano nto n’uduce duto (35 — 40 mm), ishobora kuzuza ibisabwa ku bunini bw’uduce twa formula, ariko iteza ibibazo abakoresha.
7. Dukurikije ishyirwaho rya Japan Petroleum Coke Company, bikekwa ko imiterere ya peteroli ya coke yoroshye kurusha coke y’amakara, bityo biroroshye kugenzura igihe cyo guteka no gushyushya.
Dukurikije ibyavuzwe haruguru, koke y'amavuta ifite ibintu bine biri hasi: uburemere buke bw'ibintu byihariye, imbaraga nke, CTE nke, ubushobozi buke bwo guhangana n'ibintu byihariye, ibintu bibiri bya mbere bifite ubunini buke bwo kuva kuri grafiti, ibintu bibiri bya nyuma bifite ubunini buke bwo kuva kuri grafiti ni byiza. Muri rusange, imikorere ya koke y'amavuta ni myiza kurusha koke y'amakara, kandi icyifuzo cyo kuyikoresha nacyo ni kinini.
Kugeza ubu, electrode ya grafiti niyo soko nyamukuru ry’ibikenewe kuri needle coke, ingana na 60% by’ikoreshwa ryose rya needle coke, mu gihe ibigo by’amashanyarazi bifite ubuziranenge busobanutse kuri needle coke, nta buziranenge bwihariye bikeneye. Ubushake bwa needle coke bw’ibikoresho bya anode ya bateri ya lithium ion burimo ubwoko butandukanye, isoko ryo ku rwego rwo hejuru rya digitale rikunda coke itetse mu mavuta, isoko rya bateri y’amashanyarazi rishingiye cyane kuri coke ifite imikorere iri hejuru.
Umusaruro wa Needle Coke ufite urugero runaka rwa tekiniki, bityo ibigo byo mu gihugu ni bike cyane. Kuri ubu, ibigo bikuru bikuru bitunganya peteroli ya Needle Coke birimo: Weifang Fumei new Energy, Shandong Jingyang, Shandong Yida, Jinzhou Petrochemical, Shandong Lianhua, Bora Biological, Weifang Fumei new energy, Shandong Yiwei, Sinopec jinling Petrochemical, Maoming peteroli, nibindi. Ibigo bikurura amakara bya needle coke Baowu carbone material, Baotailong technology, Anshan open carbon, Anshan Chemical, Fang Daxi ke Mo, Shanxi Macro, Henan open carbon, Xuyang Group, Zaozhuang revitalisation, Ningxia Baichuan, Tangshan Dongri new energy, Taiyuan Shengxu nibindi.
Igihe cyo kohereza: Ukwakira-19-2021