
I-UHP Ultra-High Power Graphite Electrode Details UHP (Ultra-High Power) ama-graphite electrode ayinto eyinhloko eqhubayo ezimbonini zesimanje ze-metallurgical, eklanyelwe ukumelana nemithwalo yamanje eyeqisayo. Asetshenziswa ngokuyinhloko ekwenzeni insimbi ye-arc yesithando somlilo kanye nokuncibilikisa ingxubevange ephezulu, i...
Imininingwane ye-UHP Ultra-High Power Graphite Electrode
Ama-electrode e-graphite e-UHP (Ultra-High Power) ayinto eyinhloko eqhubayo ezimbonini zesimanje ze-metallurgical, eklanyelwe ukumelana nemithwalo yamanje eyeqisayo. Zisetshenziswa ngokuyinhloko ekwenzeni insimbi kagesi ye-arc kanye nokuncibilikisa ingxubevange ephezulu, futhi izinzuzo zazo zokusebenzisa amandla aphansi kanye nokuzinza okuphezulu kuzenza zibe ukhiye osebenzisekayo ekuthuthukisweni kwezimboni.
I. Incazelo Eyinhloko kanye Nezinzuzo Zokusebenza
- Ukuma Okubalulekile: Iyakwazi ukumelana nokuminyana kwamanje ngaphezu kuka-25 A/cm² (kufika ku-40 A/cm²), ifinyelela ukuncibilika okuphumelelayo ngama-arcs kagesi wezinga lokushisa eliphezulu angaphezu kuka-3000°C akhiqizwa phakathi kwethiphu ye-electrode kanye neshaji yesithando somlilo. Ziyingxenye esemqoka yama-arc amandla kagesi aphezulu kakhulu (ama-EAF) kanye neziko lokucwenga.
- Amapharamitha okusebenza abalulekile:
- I-Electrical Conductivity: Ukungazweli ≤ 6.2 μΩ·m (eminye imikhiqizo yezinga eliphezulu iphansi njengo-4.2 μΩ·m), iphakeme kakhulu kunama-electrode anamandla aphezulu (HP) avamile;
- Amandla Emishini: Amandla e-Flexural ≥ 10 MPa (amalunga angafinyelela ngaphezu kwama-MPa angama-20), akwazi ukumelana nemithelela yokushaja kanye nokudlidliza kozibuthe;
- Ukuzinza Kwe-Thermal: I-Coefficient of thermal expansion 1.0-1.5 × 10⁻⁶/℃ kuphela, ayijwayele ukuqhekeka noma i-spalling ngaphansi kokushisisa nokupholisa okusheshayo;
- Izimpawu Zekhemikhali: Okuqukethwe komlotha ≤ 0.2%, ukuminyana 1.64-1.76 g/cm³, i-oxidation enamandla nokumelana nokugqwala, okuholela ekusetshenzisweni okuphansi ngethani ngalinye lensimbi.
II. Inqubo Yokukhiqiza Okubalulekile kanye Nezinto Ezingavuthiwe
- Izinto Ezingahluziwe Ezibalulekile: Ukusebenzisa i-100% yekhwalithi ephezulu yenalithi ye-petroleum-based coke (ukuqinisekisa ukunwetshwa okuphansi nokuhamba okuphezulu), kuhlanganiswe ne-medium-temperature pitch binder eguquliwe (iphuzu lokuthambisa 108-112 ° C) kanye ne-quinoline ephansi engancibiliki (QI ≤ 0.5%). - Inqubo Eyinhloko: Inqubo ihilela ukuxuba isithako nokuxova → ukubumba kwe-extrusion → ukubala (kabili) → ukufakwa komfutho ophezulu (kanye ngomzimba we-electrode, izikhathi ezintathu zesixhumi) → i-graphitization (inqubo yomugqa ngaphezu kuka-2800℃) → ukucubungula ngomshini. Ukulawula izinga lokushisa okunembile kanye nokwenza kahle kwepharamitha kuqinisekisa ukunemba komkhiqizo (ukubekezelela ukuqondisa ±10mm/50m) nokuzinza kokusebenza.
- Inqubo Emisha: Inqubo eyenziwe kahle "yokungena okukodwa, ukubala okubili" ifinyeza umjikelezo wokukhiqiza ngezinsuku eziyi-15-30 uma kuqhathaniswa nezindlela zendabuko, inciphisa izindleko cishe ngo-2000 RMB/ton, kuyilapho igcina ukumelana nokushaqeka okushisayo.
III. Izimo Zokusebenza Eziyinhloko
- Inkambu Ehamba phambili: I-AC/DC yamandla aphezulu aphezulu kagesi we-arc steelmaking, esetshenziselwa ukukhiqizwa kwensimbi ye-alloy yekhwalithi ephezulu nensimbi ekhethekile, ukuthuthukisa ukusebenza kahle kokuncibilika okungaphezu kuka-30% nokunciphisa ukusetshenziswa kwamandla ngo-15% -20%;
- Izicelo Ezinwetshiwe: Ukuncibilika kwezinto eziphezulu ezifana ne-silicon yezimboni, i-ferrosilicon, ne-phosphorus ephuzi ezithandweni ze-arc ezingaphansi kwamanzi, kanye nokukhiqizwa kwemikhiqizo yokushisa ephezulu efana ne-corundum nama-abrasives, evumelana nezincazelo ezahlukene zezithando zikagesi (ububanzi obuyi-12-28 amayintshi, umthamo wamanje wokuthwala 00000-200 200).
IV. Inani lemboni kanye namathrendi okuthuthuka
- Ivelu Eyinhloko: Ukushayela ukuguqulwa kokwenziwa kwensimbi ye-arc kagesi ukuya ezinqubweni "ezisheshayo, ezihlanzekile, nezisebenza kahle kakhulu", kuyisisetshenziswa esibalulekile sokonga amandla kanye nokunciphisa ukungcola embonini yensimbi kanye nokubhekana nezindleko zekhabhoni. Isabelo sayo semakethe kulindeleke ukuthi sidlule u-60% wesamba esidingekayo se-graphite electrode ngo-2025, ngentengo elinganiselwa ku-18,000 RMB/ton;
- Isiqondiso Sobuchwepheshe: Ukugxila ekuguqulweni koqweqwe lwe-graphene (ukunciphisa ukumelana nokuxhumana ngo-40%), ukuqinisa okuyinhlanganisela ye-silicon carbide, ukukhiqiza okuhlakaniphile (ukulingiswa kwenqubo yamawele edijithali), nomnotho oyindilinga (izinga lokubuyisela uthuli 99.9%+ ukubuyiswa kokushisa kwemfucuza), ukuze kuthuthukiswe impilo kanye nobungane bemvelo.