
UHP Ultra-High Power Graphite Electrode Details UHP (Ultra-High Power) graphite electrodes bụ isi ihe na-eduzi n'ime ụlọ ọrụ igwe ọgbara ọhụrụ, nke emebere iji guzogide ibu dị ugbu a. A na-eji ha eme ihe n'ụzọ bụ isi na ọkụ ọkụ eletrik n'ịkpụpụta ígwè na mgbaze alloy dị elu, ihe ...
UHP Ultra-High Power Graphite Electrode nkọwa
UHP (Ultra-High Power) graphite electrodes bụ isi ihe na-eduzi n'ime ụlọ ọrụ igwe ọgbara ọhụrụ, emebere ka ọ nagide ibu dị ugbu a. A na-eji ha eme ihe n'ụzọ bụ isi na ọkụ ọkụ ọkụ eletrik na-eme ka ọ dị elu na mgbaze alloy dị elu, na uru ha nke obere ume ike na nkwụsi ike dị elu na-eme ka ha bụrụ isi ihe na-eri maka nkwalite ụlọ ọrụ.
I. Nkọwa isi na uru arụmọrụ
- Ndokwa isi: Nwere ike iguzogide njupụta ugbu a karịa 25 A/cm² (ruo 40 A/cm²), na-enweta mgbaze nke ọma site na ọkụ ọkụ eletrik dị elu karịa 3000ºC emepụtara n'etiti ọnụ electrode na ụgwọ ọkụ. Ha bụ akụkụ bụ isi nke ọkụ ọkụ ọkụ eletrik dị elu (EAFs) na ọkụ nchacha.
- Oke arụmọrụ igodo:
- Ọrụ eletriki: Resistivity ≤ 6.2 μΩ·m (ụfọdụ ngwaahịa dị elu dị ala dị ka 4.2 μΩ · m), dị oke elu karịa igwe eletrik nkịtị (HP);
- Mechanical Ike: ike mgbanwe ≥ 10 MPa (njikọ nwere ike iru n'elu 20 MPa), ike iguzogide nchaji mmetụta na electromagnetic vibrations;
- Thermal Stability: Ọnụọgụ nke mgbasawanye ọkụ naanị 1.0-1.5 × 10⁻⁶ / ℃, ọ bụghị ngwa ngwa ịgbawa ma ọ bụ spalling n'okpuru kpo oku na ngwa ngwa;
- Njirimara kemịkalụ: ọdịnaya Ash ≤ 0.2%, njupụta 1.64-1.76 g / cm³, oxidation siri ike na nguzogide corrosion, na-ebute obere oriri kwa ton nke ígwè.
II. Isi Mmepụta Usoro na Raw Materials
- Key Raw Materials: Iji 100% elu-edu petroleum-based coke coke (na-eme ka mgbasawanye dị ala na ịdị elu dị elu), jikọtara ya na onye na-emepụta ihe na-ekpo ọkụ na-ekpo ọkụ (ihe na-eme ka ọ dị nro 108-112 Celsius C) na obere quinoline insoluble (QI ≤ 0.5%) onye na-emepụta ihe. - Usoro isi: Usoro a na-agụnye ịgwakọta ihe na igwakọta → extrusion molding → calcination (ugboro abụọ) → impregnation dị elu (otu oge maka ahụ electrode, ugboro atọ maka njikọ) → graphitization (usoro n'ime akara na n'elu 2800 ℃) → nhazi nhazi. Njikwa okpomọkụ ziri ezi na njikarịcha oke na-eme ka o doo anya na ngwaahịa ziri ezi (nchịkwa ogologo ± 10mm / 50m) na nkwụsi ike arụmọrụ.
- Usoro ọhụrụ: Usoro kachasị "otu impregnation, calcination abụọ" na-ebelata usoro mmepụta site na ụbọchị 15 ruo 30 ma e jiri ya tụnyere usoro ọdịnala, na-ebelata ọnụ ahịa site na ihe dịka 2000 RMB / ton, ebe ọ na-ejigide nkwụsi ike nke okpomọkụ.
III. Isi ihe ngosi ngwa
- Ubi na-eduga: AC / DC ultra-high power electric arc furnace steelmaking, eji na mmepụta nke elu-edu alloy ígwè na pụrụ iche ígwè, na-eme ka smelting arụmọrụ karịa 30% na mbenata ike oriri site 15% -20%;
- Ngwa gbasaa: Mgbaze nke ihe ndị dị elu dị ka silicon ụlọ ọrụ mmepụta ihe, ferrosilicon, na phosphorus na-acha odo odo n'ime ọkụ arc na-ekpuchi mmiri, yana mmepụta nke ngwaahịa okpomọkụ dị ka corundum na abrasives, na-agbanwe na nkọwa dị iche iche nke ọkụ ọkụ eletrik (dayameta 12-28 sentimita asatọ, ikike ibu ugbu a 220000-12A).
IV. Uru ụlọ ọrụ na ọnọdụ mmepe
- Uru Uru: Na-ebugharị mgbanwe nke ọkụ ọkụ ọkụ eletrik na-eme ka usoro “ngwa ngwa, dị ọcha na nke ọma”, ọ bụ ihe dị mkpa maka ịchekwa ike na mbelata ikuku na ụlọ ọrụ nchara yana maka ịnagide tarifu carbon. A na-atụ anya na oke ahịa ya ga-agafe 60% nke mkpokọta graphite electrode chọrọ ka ọ na-erule 2025, yana ọnụ ahịa ruru 18,000 RMB/ton;
- Ntuziaka teknụzụ: ilekwasị anya na mgbanwe mkpuchi graphene (na-ebelata nguzogide kọntaktị site na 40%), nkwado silicon carbide composite, nrụpụta nwere ọgụgụ isi (nyocha usoro ejima dijitalụ), na akụ na ụba okirikiri (ọnụọgụ mgbake uzuzu 99.9% + nkwụghachi okpomọkụ), iji meziwanye ndụ ndụ na enyi na gburugburu ebe obibi.