Coke agịga bụ ụdị dị elu nke emepụtara n'ike n'ime ihe carbon. Ọdịdị ya bụ ihe siri ike nke nwere oghere na-acha ntụ ntụ na ọla ọcha. Ọdịdị ya nwere udidi na-asọpụta doro anya, nwere nnukwu oghere mana ole na ole na ọdịdị oval dị ntakịrị. Ọ bụ akụrụngwa maka imepụta ngwaahịa carbon dị elu dị ka ultra-high power electrode, carbon carbon pụrụ iche, eriri carbon na ihe mejupụtara ya.
Dị ka akụrụngwa dị iche iche si dị, enwere ike kewaa coke agịga n'ime coke agịga mmanụ na coke coal agịga. Coke agịga emepụtara site na mmanụ ala mmanụ bụ coke agịga mmanụ. Coke agịga nke a na-emepụta site na coal tar pitch na akụkụ ya bụ coal series needle coke.
Ndekọ nke na-emetụta àgwà coke agịga na-agụnye ezigbo njupụta, ọdịnaya sọlfọ, ọdịnaya nitrogen, ihe na-agbanwe agbanwe, ọdịnaya ash, ọnụọgụ mgbasawanye thermal, resistivity, vibration density, wdg N'ihi ọnụọgụ ọnụọgụ dị iche iche kpọmkwem, enwere ike kewaa coke coke n'ime ya. super grade (ọkacha mma), ọkwa mbụ na ọkwa nke abụọ.
Ọdịiche arụmọrụ dị n'etiti coal na coke agịga mmanụ gụnyere isi ihe ndị a.
1. N'okpuru otu ọnọdụ ahụ, graphite electrode mere nke mmanụ agịga coke dị mfe ịkpụ karịa coal agịga coke.
2. Mgbe emechara ngwaahịa graphite, njupụta na ike nke ngwaahịa graphitized nke mmanụ-usoro agịga coke dị ntakịrị elu karịa nke coke-usoro agịga coke, nke a na-eme site na mgbasawanye nke coke-usoro agịga coke n'oge graphitization.
3. Na kpọmkwem ojiji nke graphite electrode, graphitized ngwaahịa nke mmanụ agịga coke nwere a ala ọnụọgụ nke okpomọkụ mgbasa.
4. Na usoro nke anụ ahụ na kemịkalụ indexes nke graphite electrode, kpọmkwem nguzogide nke graphitized ngwaahịa nke mmanụ agịga coke bụ ubé elu karịa nke coal agịga ngwaahịa.
5. Ihe kacha mkpa bụ na coal tụọ agịga coke gbasaa mgbe okpomọkụ ruru 1500-2000 ℃ na usoro nke elu okpomọkụ graphitization, otú okpomọkụ ịrị elu ọnụego kwesịrị ịchịkwa, ọ bụghị ngwa ngwa okpomọkụ ịrị elu, ọ kasị mma ghara iji usoro graphitization usoro mmepụta, coal tụọ agịga coke site n'ịgbakwụnye mgbakwunye na-achịkwa mgbasawanye ya, mmụba ọnụego nwere ike ibelata. Ma ọ na-esi ike karị iji nweta coke agịga mmanụ.
6. Calcined mmanụ agịga coke nwere ọzọ obere coke na ezi urughuru size, mgbe coal agịga coke nwere obere ọdịnaya na nnukwu urughuru size (35 - 40 mm), nke nwere ike izute chọrọ nke usoro urughuru size, ma ọ na-eweta ihe isi ike ndị ọrụ.
7. Dị ka mmeghe nke Japan Petroleum Coke Company si kwuo, a kwenyere na ihe mejupụtara nke coke agịga mmanụ dị mfe karịa coke coke coke, n'ihi ya, ọ dị mfe ịchịkwa oge coking na kpo oku.
Site na nke a dị n'elu, coke agịga mmanụ nwere anọ dị ala: obere ike ndọda dị ala, ike dị ala, CTE dị ala, nkwụsi ike dị ala, abụọ mbụ dị ala na ngwaahịa graphite, abụọ ikpeazụ na ngwaahịa graphite dị mma. N'ozuzu, arụmọrụ indexes nke mmanụ usoro agịga coke dị mma karịa coal usoro agịga coke, na ngwa na-achọkwa bụ ihe ọzọ.
Ka ọ dị ugbu a, graphite electrode bụ isi ahịa a na-achọ coke agịga, na-aza ihe dịka 60% nke ngụkọta ngwa nke coke coke, ebe ụlọ ọrụ electrode na-achọ ezigbo mma maka coke coke, na-enweghị ezigbo mma chọrọ. Achọ coke agịga nke lithium ion batrị anode ihe dị iche iche, ahịa dijitalụ dị elu na-akwado mmanụ esiri esi mmanụ, ahịa batrị ike dabere na coke nwere arụmọrụ dị elu.
Mmepụta coke agịga nwere ụfọdụ ụzọ teknụzụ, yabụ ụlọ ọrụ ụlọ dị ụkọ. Ka ọ dị ugbu a, ụlọ ọrụ mmepụta ihe dị n'ime ụlọ nke coke mmanụ agịga gụnyere: Weifang Fumei ọhụrụ Energy, Shandong Jingyang, Shandong Yida, Jinzhou Petrochemical, Shandong Lianhua, Bora Biological, Weifang Fumei ume ọhụrụ, Shandong Yiwei, Sinopec jinling Petrochemical, Maoming petrochemical, wdg. Coal usoro agịga coke mainstream mmepụta ụlọ ọrụ Baowu carbon ihe, Baotailong technology, Anshan oghe carbon, Anshan Chemical, Fang Daxi ke Mo, Shanxi Macro, Henan open carbon, Xuyang Group, Zaozhuang revitalization, Ningxia Baichuan, Tangshan Dongri ike ọhụrụ, Taiyuan Shengxu were gabazie.
Oge nzipu: Ọktoba 19-2021