Site na mmepe ngwa ngwa nke ụgbọ ala ume ọhụrụ n'ụwa niile, ahịa ahịa maka akụrụngwa batrị anode lithium abawanyela nke ukwuu. Dị ka ọnụ ọgụgụ si kwuo, na 2021, ụlọ ọrụ batrị lithium batrị anode asatọ kachasị nke ụlọ ọrụ ahụ na-eme atụmatụ ịgbasa ikike mmepụta ha ruo ihe fọrọ nke nta ka ọ bụrụ otu nde tọn. Graphitization nwere mmetụta kachasị na ndeksi na ọnụ ahịa ihe anode. Ngwá ọrụ graphitization na China nwere ọtụtụ ụdị, oriri ike dị elu, mmetọ dị arọ na obere akpaaka, nke na-egbochi mmepe nke ihe anode graphite ruo n'ókè ụfọdụ. Ọ bụ isi nsogbu a ga-edozi ngwa ngwa na usoro mmepụta nke ihe anode.
1. Ọnọdụ ugbu a na ntụnyere nke ọkụ graphitization na-adịghị mma
1.1 Atchison ọkụ graphitization adịghị mma
Na gbanwetụrụ ọkụ ụdị dabere na omenala electrode Aitcheson ọkụ graphitization ọkụ, mbụ ọkụ na-kwajuru na graphite crucible dị ka onye na-ebu nke na-adịghị mma electrode ihe (na crucible na-kwajuru na carbonized ọjọọ electrode raw material), ọkụ isi na-ejupụta na kpo oku na-eguzogide ihe, elu oyi akwa jupụtara mkpuchi na ihe na furnace. Mgbe electrification, a elu okpomọkụ nke 2800 ~ 3000 ℃ na-eme tumadi site kpo oku nke resistor ihe, na-adịghị mma ihe na crucible na-ekpo ọkụ na-apụtachaghị ìhè iji nweta elu okpomọkụ nkume inking nke na-adịghị mma ihe onwunwe.
1.2. Igwe ọkụ usoro eserese nke ime ọkụ
Ụdị ọkụ ahụ bụ ihe na-ezo aka na ọkụ graphitization nke a na-eji maka mmepụta nke electrodes graphite, na ọtụtụ electrode crucible (nke ejiri ihe electrode na-adịghị mma) jikọọ na usoro ogologo oge. Igwe ọkụ electrode bụ ma ihe na-ebu ma na-ekpo ọkụ, na nke ugbu a na-agafe na electrode crucible iji mee ka okpomọkụ dị elu ma kpoo ihe electrode na-adịghị mma ozugbo. Usoro GRAPHItization anaghị eji ihe nguzogide, na-eme ka usoro ọrụ nke nbudata na ịsa achịcha dị mfe, na ibelata ihe nchekwa nchekwa okpomọkụ nke ihe nguzogide, na-azọpụta ike oriri.
1.3 igbe igbe grid ọkụ graphitization
No.1 ngwa na-amụba na-adịbeghị anya, isi na-amụta Series acheson graphitization ọkụ na concatenated technology e ji mara graphitizing ọkụ, ọkụ isi nke iji multiple iberibe anode efere okporo ihe igbe Ọdịdị, ihe n'ime cathode na akụrụngwa, site niile slotted njikọ n'etiti anode efere kọlụm bụ ofu, onye ọ bụla akpa, ojiji nke otu ihe efere anode. The kọlụm na anode efere nke ihe igbe Ọdịdị ọnụ mejupụtara ahụ kpo oku. Eletrik na-aga site na electrode nke isi ọkụ n'ime ọkụ ọkụ nke isi ọkụ ọkụ, na okpomọkụ dị elu nke a na-emepụta na-ekpo ọkụ na-ekpo ọkụ na anode n'ime igbe iji nweta nzube nke graphitization.
1.4 Tụnyere ụdị ọkụ graphitization atọ
Ime ọkụ usoro graphitization ọkụ bụ ikpo ọkụ ozugbo ihe site kpo oku graphite electrode oghere. "Joule okpomọkụ" nke ugbu a na-emepụta site na electrode crucible na-ejikarị eme ihe na-ekpo ọkụ na ihe ọkụkụ. Igwe ọkụ na-ekpo ọkụ na-agba ọsọ ngwa ngwa, nkesa okpomọkụ dị n'otu, na arụmọrụ ọkụ dị elu karịa ọkụ ọkụ Atchison omenala na-eguzogide ihe ọkụkụ. The okporo-igbe graphitization ọkụ na-adọta na uru nke esịtidem okpomọkụ Oghere Usoro graphitization ọkụ, na adopts na tupu butere anode efere na ala na-eri dị ka kpo oku ozu. E jiri ya tụnyere ọkụ graphitization serial, ikike ibu nke grid-box graphitization oven dị ukwuu, a na-ebelata oriri ike n'otu ngwaahịa ọ bụla.
2. ntụziaka mmepe nke ọkụ graphitization na-adịghị mma
2. 1 Na-ebuli ihe owuwu mgbidi gburugburu
Ka ọ dị ugbu a, oyi akwa mkpuchi ọkụ nke ọtụtụ ọkụ graphitization na-ejupụta na carbon ojii na coke mmanụ ala. Nke a akụkụ nke mkpuchi ihe onwunwe n'oge mmepụta nke elu okpomọkụ oxidation ọkụ, oge ọ bụla na loading si mkpa iji dochie ma ọ bụ gbakwunyere a pụrụ iche mkpuchi ihe onwunwe, nnọchi nke usoro nke ogbenye gburugburu ebe obibi, elu oru ike.
Nwere ike tụlee a bụ iji pụrụ iche elu ike na elu okpomọkụ ciment masonry mgbidi stick adobe, welie n'ozuzu ike, hụ na mgbidi na dum ọrụ okirikiri kwụsie ike na deformation, brik onuete sealing n'otu oge ahụ, gbochie oké ikuku Site brik mgbidi cracks na nkwonkwo oghere n'ime ọkụ, belata ọxịdashọn ọkụ ọnwụ nke insulating ihe na anode ihe;
Nke abụọ bụ iji wụnye mkpokọta nnukwu mobile mkpuchi oyi akwa kpọgidere n'èzí ọkụ mgbidi, dị ka ojiji nke elu-ike fiberboard ma ọ bụ calcium silicate osisi, kpo oku ogbo na-arụ irè akara na mkpuchi ọrụ, oyi ogbo bụ adaba iji wepụ maka ngwa ngwa jụrụ; Nke atọ, a na-edozi ọwa ventilashị na ala nke ọkụ ọkụ na mgbidi ọkụ. Ọwa ikuku ventilashị na-eji usoro brik a na-arụ ọrụ nke ọma na ọnụ nwanyị nke eriri, na-akwado masonry ciment dị elu, ma na-atụle mmanye ventilashion jụrụ oyi na oge oyi.
2. 2 Kwalite usoro ọkọnọ ike site na ịme anwansị ọnụọgụ
Ka ọ dị ugbu a, a na-eme ka ọkụ ọkụ eletrik na-adịghị mma dị ka ahụmahụ ahụ si dị, a na-edozikwa usoro nhazi ahụ n'oge ọ bụla dịka ọnọdụ okpomọkụ na ọkụ ọkụ si dị, ọ dịghịkwa ọkọlọtọ jikọrọ ọnụ. Ịkwalite usoro ikpo ọkụ nwere ike belata n'ụzọ doro anya index oriri ike ma hụ na arụ ọrụ dị mma nke ọkụ ọkụ. AKWỤKWỌ NDỤMỤ NKE NKE agịga agịga kwesịrị ka e guzobe ya site na nkà mmụta sayensị dị ka ọnọdụ dị iche iche na oke anụ ahụ si dị, na mmekọrịta dị n'etiti ugbu a, voltaji, ike zuru oke na nkesa okpomọkụ nke akụkụ obe na usoro grapHItization kwesịrị nyochaa, ka ịmepụta usoro ikpo ọkụ kwesịrị ekwesị ma nọgide na-edozi ya na arụ ọrụ ahụ. Dị ka n'oge mmalite nke nnyefe ike bụ iji nnyefe ike dị elu, wee belata ngwa ngwa ma jiri nwayọọ nwayọọ bilie, ike wee belata ike ruo ọgwụgwụ nke ike.
2. 3 Gbatịkwuo ndụ ọrụ nke crucible na kpo oku
Na mgbakwunye na oriri ike, ndụ nke crucible na kpo oku na-ekpebikwa ọnụ ahịa graphitization na-adịghị mma. N'ihi na graphite crucible na graphite kpo oku ahụ, mmepụta management usoro nke loading si, ezi uche akara nke kpo oku na jụrụ ọnụego, akpaka crucible mmepụta akara, ike akara iji gbochie ọxịdashọn na ndị ọzọ jikoro na-amụba crucible recycling ugboro, n'ụzọ dị irè belata ego nke graphite inking. Na mgbakwunye na n'elu jikoro, kpo oku efere nke okporo igbe graphitization ọkụ nwekwara ike-eji dị ka kpo oku ihe onwunwe nke tupu butere anode, electrode ma ọ bụ ofu carbonaceous ihe na elu resistivity ịzọpụta graphitization na-eri.
2.4 njikwa ọkụ na-ekpofu ọkụ na ojiji ọkụ
The flue gas eme n'oge graphitization tumadi na-abịa site volatiles na combustion ngwaahịa nke anode ihe, elu carbon ọkụ, ikuku ntapu na na. Ná mmalite nke ọkụ mmalite, volatiles na uzuzu na-agbanarị ọnụ ọgụgụ buru ibu, ebe ogbako ahụ adịghị mma, ọtụtụ ụlọ ọrụ enweghị usoro ọgwụgwọ dị irè, nke a bụ nnukwu nsogbu na-emetụta ahụike na nchekwa ọrụ nke ndị na-arụ ọrụ na mmepụta electrode na-adịghị mma. Ekwesịrị itinyekwu mgbalị iji tụlee nke ọma nchịkọta na njikwa nke flue gas na uzuzu na ogbako, na ekwesịrị ịme usoro ikuku ikuku iji belata okpomọkụ ụlọ akwụkwọ ma melite gburugburu ebe ọrụ nke ogbako graphitization.
Mgbe flue gas nwere ike anakọtara site flue n'ime combustion ụlọ agwakọta combustion, wepụ ọtụtụ n'ime tar na ájá na flue gas, ọ na-atụ anya na okpomọkụ nke flue gas na combustion ụlọ bụ n'elu 800 ℃, na n'efu okpomọkụ nke flue gas nwere ike natara site n'efu okpomọkụ uzuoku ji esi mmiri ọkụ ma ọ bụ shei okpomọkụ Exchanger. The RTO incineration technology eji na carbon asphalt anwụrụ ọkụ ọgwụgwọ nwekwara ike iji maka ntụnyere, na asphalt flue gas na-ekpo ọkụ na 850 ~ 900 ℃. Site okpomọkụ nchekwa combustion, na asphalt na volatile components na ndị ọzọ polycyclic aromatic hydrocarbons na flue gas na-oxidized na n'ikpeazụ decomposed n'ime CO2 na H2O, na irè ịdị ọcha arụmọrụ nwere ike iru n'elu 99%. Usoro ahụ nwere ọrụ kwụsiri ike na ọnụ ọgụgụ ọrụ dị elu.
2. 5 Vetikal na-aga n'ihu na-adịghị mma graphitization ọkụ
Ụdị dị iche iche a kpọtụrụ aha n'elu nke ọkụ graphitization bụ isi ihe ọkụ ọkụ nke mmepụta ihe anode na China, ihe a na-ahụkarị bụ mmepụta oge oge, obere ọkụ ọkụ, na-ebuli elu na-adabere na ọrụ ntuziaka, ogo nke akpaaka adịghị elu. Enwere ike ịmepụta ọkụ na-adịghị mma nke na-aga n'ihu na-aga n'ihu site n'ịtụ aka na ihe nlereanya nke ọkụ ọkụ coke calcination na bauxite calcination furnace. A na-eji ARC na-eguzogide ya dị ka isi iyi okpomọkụ dị elu, ihe a na-anọgide na-ahapụ ya site na ike ndọda ya, a na-eji usoro mmiri jụrụ oyi ma ọ bụ gasification dị jụụ iji mee ka ihe dị elu dị elu na mpaghara nkwụsị, a na-eji usoro ikuku pneumatic na-ebufe na-emepụta ihe na-eri nri n'èzí ọkụ. Ụdị ọkụ ahụ nwere ike ịghọta mmepụta na-aga n'ihu, enwere ike ileghara okpomọkụ nchekwa ọkụ nke ahụ ọkụ anya, ya mere a na-emeziwanye arụmọrụ nke thermal nke ọma, mmepụta na uru oriri ume bụ ihe doro anya, na arụ ọrụ akpaka zuru ezu nwere ike imezu. Isi nsogbu a ga-edozi bụ fluidity nke ntụ ntụ, uniformity nke graphitization ogo, nchekwa, okpomọkụ nlekota na jụrụ, wdg A na-kweere na na-aga nke ọma mmepe nke ọkụ ka ọnụ ọgụgụ ulo oru mmepụta, ọ ga-setịpụ a mgbanwe na ubi nke ọjọọ electrode graphitization.
3 asụsụ knot
Usoro kemịkalụ graphite bụ nnukwu nsogbu na-akpa ndị na-emepụta batrị anode lithium nsogbu. Isi ihe kpatara ya bụ na a ka nwere nsogbu ụfọdụ na oriri ọkụ, ọnụ ahịa, nchekwa gburugburu ebe obibi, ogo automation, nchekwa na akụkụ ndị ọzọ nke ọkụ graphitization nke a na-ejikarị eme ihe. Ọdịnihu omume nke ụlọ ọrụ bụ n'ebe mmepe nke n'ụzọ zuru ezu akpaghị aka na ahaziri emission na-aga n'ihu mmepụta ọkụ Ọdịdị, na-akwado tozuru okè na a pụrụ ịdabere na inyeaka usoro akụrụngwa. N'oge ahụ, nsogbu graphitization nke na-emebi ụlọ ọrụ ga-akawanye mma, ụlọ ọrụ ahụ ga-abanyekwa n'oge mmepe kwụsiri ike, na-akwalite mmepe ngwa ngwa nke ụlọ ọrụ ndị metụtara ume ọhụrụ.
Oge nzipu: Ọgọst-19-2022