1. RAW ihe
Coke (ihe dị ka 75-80% na ọdịnaya)
Petroleum Coke
Coke mmanụ ala bụ ihe akụrụngwa kachasị mkpa, a na-etolitekwa ya n'ụdị dị iche iche, site na coke agịga anisotropic nke ukwuu ruo n'ihe fọrọ nke nta ka ọ bụrụ isotropic fluid coke.Coke nke agịga anisotropic nke ukwuu, n'ihi nhazi ya, dị mkpa maka imepụta electrodes na-arụ ọrụ dị elu nke a na-eji n'ọkụ ọkụ eletrik, ebe a chọrọ oke ọkụ eletrik, igwe na ikike ibu ọkụ.Ọ fọrọ nke nta ka ọ bụrụ na a na-emepụta coke mmanụ ala naanị site na usoro ịchịkọta oge a na-egbu oge, nke bụ usoro ikuku carbon na-adị nwayọọ nwayọọ nke ihe fọdụrụ na-ekpochapụ mmanụ.
Coke agịga bụ okwu a na-ejikarị maka ụdị coke pụrụ iche nwere graphitizability dị oke elu sitere na ntuzi aka siri ike na-amasị ya nke usoro oyi akwa turbostratic na ụdị anụ ahụ nke ọka.
Ngwakọta (ihe dị ka 20-25% na ọdịnaya)
Ngwunye coal tar
A na-eji ihe ndị na-ejikọta ọnụ na-eme ka ihe ndị siri ike na-ejikọta ibe ha.Ike ha dị elu wetting si otú a na-agbanwe ngwakọta ahụ ka ọ bụrụ ọnọdụ rọba maka ịkpụzi ma ọ bụ extrusion na-esote.
Coal tar pitch bụ ngwakọta organic ma nwee nhazi ihe na-esi ísì ụtọ dị iche.N'ihi oke ya dị elu nke mgbanaka benzene edochiri na condensed, ọ nwelarị ụdịrị graphite nwere nnukwu nhazi ọkwa hexagonal nke ọma, si otú a na-eme ka e guzobe ngalaba eserese ahaziri nke ọma n'oge eserese.Pitch na-egosi na ọ bụ ihe nkedo kachasị mma.Ọ bụ distillation fọdụrụnụ nke coal tar.
2. Ịgwakọta NA Mpụga
A na-agwakọta kok ahụ egweri na olulu coal tar na ụfọdụ ihe mgbakwunye iji mepụta otu mado.A na-ebute nke a n'ime cylinder extrusion.Na nzọụkwụ mbụ, a ga-ewepụ ikuku site na ịpịrị.Karịa n'ezie extrusion nzọụkwụ na-esote ebe ngwakọta na-extruded na-etolite ihe electrode nke chọrọ dayameta na ogologo.Iji mee ka ngwakọta ahụ na karịsịa usoro extrusion (lee foto dị n'aka nri) ngwakọta ahụ kwesịrị ịdị viscous.A na-enweta nke a site na idobe ya na okpomọkụ dị elu nke ihe ruru.120 Celsius C (dabere na pitch) n'oge usoro mmepụta akwụkwọ ndụ akwụkwọ ndụ dum.Ụdị isi a nwere ọdịdị cylindrical bụ nke a maara dị ka "electrode green".
3. ISI
A na-eji ụdị ọkụ ọkụ abụọ eme ihe:
N'ebe a, a na-etinye mkpara ndị a kpụrụ akpụ n'ime ite igwe anaghị agba nchara cylindrical (saggers).Iji zere nrụrụ nke electrodes n'oge usoro ikpo ọkụ, saggers na-ejupụtakwa na mkpuchi mkpuchi nke ájá.A na-ekwaju saggers n'elu ikpo okwu ụgbọ oloko (ala ala ụgbọ ala) ma tụba ya n'ime gas - ọkụ ọkụ.
Igwe ọkụ mgbanaka
N'ebe a, a na-etinye electrodes n'ime oghere mkpuchi nkume na ala nke ụlọ mmepụta ihe.oghere a bụ akụkụ nke usoro mgbanaka nke karịrị ụlọ iri.Ejikọtara ọnụ ụlọ ndị ahụ na usoro mgbasa ozi ikuku na-ekpo ọkụ iji chekwaa ike.A na-ejupụtakwa oghere dị n'etiti electrodes na ájá iji zere nrụrụ.N'oge a na-eme achịcha, ebe a na-eme ka carbon na-ekpo ọkụ, a ghaghị ịchịkwa okpomọkụ nke ọma n'ihi na na okpomọkụ ruo 800 Celsius C na-ebuli ngwa ngwa gas nwere ike ime ka mgbawa nke electrode.
Na nke a na-adọ electrodes nwere a njupụta gburugburu 1,55 - 1,60 kg/dm3.
4. IMPREGNATION
A na-etinye ihe ndị a na-eme achịcha na-eji ụda pụrụ iche (mmiri mmiri dị na 200 Celsius) mee ka ha nwee njupụta dị elu, ike ọrụ, na eletriki eletrik ha ga-achọ iji nagide ọnọdụ ọrụ siri ike n'ime ọkụ ọkụ.
5. NKWUKWU
A na-achọgharị okirikiri ime achịcha nke abụọ, ma ọ bụ “nyocha,” ka ọ bụrụ carbonize impregnation nke pitch na ịchụpụ ihe ọ bụla fọdụrụnụ.Okpomọkụ resaking ruru ihe fọrọ nke nta ka ọ bụrụ 750 Celsius.N'oge a, electrodes nwere ike iru njupụta gburugburu 1,67 - 1,74 kg / dm3.
6. NKWUO
Acheson Furnace
Nzọụkwụ ikpeazụ n'ichepụta graphite bụ ntughari nke carbon butere na graphite, nke a na-akpọ graphitizing.N'oge usoro eserese, a na-atụgharị carbon (turbostratic carbon) ma ọ bụ na-ebu ụzọ nye iwu ka ọ bụrụ nhazi graphite nwere akụkụ atọ.
A na-ejupụta na electrodes n'ime ọkụ eletrik nke ihe irighiri carbon gbara ya gburugburu ka ọ bụrụ oke siri ike.A na-agafe ọkụ eletrik site na ọkụ ọkụ, na-ebuli okpomọkụ ruo ihe dịka 3000 Celsius.A na-enwetakarị usoro a site na iji ACHESON FURNAce ma ọ bụ ọkụ ogologo (LWG).
Site na ọkụ Acheson, a na-esepụta electrodes site na iji usoro batch, ebe n'ime ọkụ LWG, a na-esepụta kọlụm dum n'otu oge.
7. NKWUKWU
A na-eji igwe eletrọd graphite (mgbe emechara ka ọ dị jụụ) ka ọ bụrụ nha nha na nnabata.Ogbo a nwekwara ike ịgụnye nchikota na ịkwado nsọtụ ( sọket) nke eletrọd ya na eriri graphite nwere eriri (ụra ara).
Oge nzipu: Eprel-08-2021