Kedu ihe ndị dị mkpa a ga-achịkwa nke ọma n'oge mmepụta iji hụ na coke petroleum ikpeazụ a na-ese foto ya dị mma?

N'ime usoro mmepụta nke coke petroleum graphitized, ọ dị mkpa ijikwa paramita ndị a nke ọma site na nhọrọ ihe eji emepụta ihe, ọgwụgwọ tupu oge eruo, usoro nhazi eserese ruo mgbe ọgwụgwọ gasịrị iji hụ na ngwaahịa ikpeazụ dị mma:

I. Nhọrọ na Ọgwụgwọ Tupu Ihe Ndị E Ji Arụ Ọrụ

Ọdịnaya sọlfọ

• Ụkpụrụ Nchịkwa: Ọkwa sọlfọ dị na kọke mmanụ ala a na-anaghị amị amị kwesịrị ịbụ ≤0.5%. Kọke sọlfọ dị elu nwere ike ibute mgbasa gas n'oge nhazi eserese, nke na-ebute mgbawa ngwaahịa.
• Mmetụta: Mbelata ọ bụla nke 0.1% na ọdịnaya sọlfọ na-ebelata ọnụego mgbawa ngwaahịa site na 15%-20% ma belata iguzogide site na 5%-8%.

Ọdịnaya ntụ

• Ụkpụrụ Nchịkwa: Ọnụọgụ ntụ kwesịrị ịdị ≤0.3%, ihe ndị na-adịghị mma bụ ihe ndị dị ka ígwè, silikọn, na calcium.
• Mmetụta: Mmụba ọ bụla nke 0.1% na ọdịnaya ntụ na-eme ka iguzogide ngwaahịa dịkwuo elu site na 10%-15% ma na-ebelata ike igwe site na 8%-10%.

Nkesa Nha Ngwụcha

• Ụkpụrụ Nchịkwa: Kọke granular kwesịrị ịbụ ≥80%, ebe kọke ntụ ntụ (nha ihe <0.5 mm) kwesịrị ịbụ ≤20%.
• Mmetụta: Oke ntụ ntụ coke nwere ike ibute ịkpụkọ n'oge ịkpụkọ, na-emetụta mwepụ nke ihe na-agbanwe agbanwe; mma nhazi nke granular coke na-ebelata oriri ike graphitization site na 5%-10%.

Usoro Ngụkọta Mkpụrụ

• Okpomọkụ: 1200-1400°C maka awa 8-12.
• Ọrụ: Na-ewepụ ihe na-agbanwe agbanwe (site na 8%-15% ruo <1%) ma na-eme ka njupụta ezi dịkwuo elu (site na 1.9 g/cm³ ruo ≥2.05 g/cm³).
• Ebe njikwa: Ezigbo njupụta mgbe a gbasasịrị ihe na-eme ka ihe dị n'ime ahụ ghara ịdị oke elu, ọ ga-abụrịrị ≥2.08 g/cm³; ma ọ bụghị ya, ihe isi ike nke nhazi eserese na-abawanye, ihe mgbochi na-arị elu.

II. Usoro nhazi eserese

Njikwa Okpomọkụ

• Isi Paramita: 2800-3000°C, a na-echekwa ya ruo awa 48-72.
• Mmetụta:
  • Mmụba okpomọkụ ọ bụla nke 100°C na-eme ka kristal dịkwuo mma site na 5%-8% ma belata iguzogide site na 3%-5%.
  • Enweghị okpomọkụ zuru oke (<2700°C) na-ebute ihe fọdụrụ na carbon amorphous, yana iguzogide ngwaahịa >15 μΩ·m; oke okpomọkụ (>3100°C) nwere ike ibute mmebi nhazi carbon.

Otu Okpomọkụ

• Ụkpụrụ Nchịkwa: Ọdịiche okpomọkụ dị n'etiti isi ọkụ na nsọtụ ≤150°C, yana oghere thermocouple ≤30 cm.
• Mmetụta: Mmụba ọ bụla nke okpomọkụ 50°C na-eme ka mgbanwe iguzogide mpaghara gbasaa site na 10%-15% ma belata mmepụta ngwaahịa site na 5%-8%.

Ọnụego Ọkụ

• Ọkọlọtọ Njikwa:
  • Ogbo okpomọkụ nke 25-800°C: ≤3°C/h (iji gbochie mgbawa okpomọkụ).
  • Ogbo 800-1250°C: ≤5°C/h (iji kwalite nhazi usoro carbon).
• Mmetụta: Oke okpomọkụ na-eme ka olu ngwaahịa ghara ịdị mma karịa 15%, nke na-eduga na mgbawa.

Ikuku Nchedo

• Ụkpụrụ Nchịkwa: Ọkwa mmiri nitrogen nke 0.8-1.2 m³/h, ma ọ bụ ojiji nke gburugburu argon/vacuum.
• Ọrụ: Na-egbochi oxidation ma na-ebelata ọdịnaya adịghị ọcha (dịka ọmụmaatụ, ọdịnaya oxygen na-ebelata site na 0.5% ruo <0.1%).

III. Mgbe Ọgwụgwọ na Ịdị ọcha gasịrị

Ọkwa Oyi

• Ụkpụrụ Njikwa: Ọ na-eme ka ọ dị jụụ nwayọ nwayọ ≤20°C/h mgbe eseresechara ya.
• Mmetụta: Ịjụ oyi ngwa ngwa na-akpata nrụgide okpomọkụ fọdụrụnụ, na-ebelata nguzogide okpomọkụ nke ngwaahịa site na 30%-50%.

Ịkụcha na Ịchọpụta Ihe

• Ụkpụrụ Nchịkwa: Nha ihe dị n'ime D50 nke a na-achịkwa na 10-20 μm, yana mkpuchi elu (dịka ọmụmaatụ, ntinye uzuoku ma ọ bụ nke kemịkalụ) nha nha ≤5%.
• Ọrụ: Na-eme ka ọdịdị ihe dị n'ime ya ka mma ma na-eme ka njupụta nke ihe dị n'ime ya dịkwuo elu (site na 0.8 g/cm³ ruo ≥1.2 g/cm³).

Ọgwụgwọ Ịdị ọcha

• Nhicha Halogen: Gas Cl₂ na-emeghachi omume na 1900-2300°C ruo awa 24, na-ebelata ọdịnaya adịghị ọcha ruo ≤50 ppm.
• Nhicha Ume: A na-edobe ya na 10⁻³ Pa vacuum ruo awa iri ise, na-enweta ihe ruru unyi niile ≤10 ppm (maka ngwa ndị dị elu).

IV. Nchịkọta nke Isi Ihe Njikwa Isi

V. Usoro Teknụzụ na Ntuziaka Nhazi

Njikwa Ọdịdị Dị Mma: Mepụta teknụzụ nkwadebe ntụ ntụ coke nke 0.1-1 μm iji mee ka isotropy dịkwuo mma ma belata iguzogide ruo <5 μΩ·m.
Sistemụ Mmepụta Smart: Mejuputa sistemụ njikwa okpomọkụ dabere na abụọ dijitalụ iji mee ka mmụba ruo 95%.
Usoro Akwụkwọ Ndụ: Jiri hydrogen dị ka ihe na-ebelata ikuku CO₂; jiri teknụzụ mgbake okpomọkụ mkpofu belata oriri ike site na 10% ruo 15%.

Site n'ịchịkwa paramita ndị a nke ọma, coke petroleum nwere ike nweta ọdịnaya carbon ≥99.9%, iguzogide 5-7 μΩ·m, na oke mgbasawanye okpomọkụ nke 1.5-2.5×10⁻⁶/°C, na-emezu ihe achọrọ nke ngwa ụlọ ọrụ mmepụta ihe dị elu.