Saboda graphite electrodes 'kyakkyawan aikin da ya haɗa da babban ƙarfin aiki, babban juriya ga girgiza zafin jiki da lalata sinadarai da ƙarancin ƙazanta, wayoyin graphite suna taka muhimmiyar rawa a cikin masana'antar ƙarfe ta EAF yayin masana'antar ƙarfe ta zamani da ƙarfe don buƙatar haɓaka haɓakawa, rage farashi, da haɓakawa. dorewa.
Menene Graphite Electrode?
GRAPHITE ELECTRODES su ne mafi kyawun kayan aiki don murhun wutar lantarki da tanderun smelting, waɗanda aka samar da cokes ɗin allura mai inganci gauraye, gyare-gyare, gasa da graphitization don samar da samfuran ƙãre. na iya jure matsanancin zafi ba tare da karyewa ba.A halin yanzu shine kawai samfurin da ake samu wanda ke da matakan haɓakar wutar lantarki da kuma iya ɗaukar matsanancin zafi da ake samarwa a cikin yanayi mai buƙata.
Wannan fasalin yana rage asarar makamashi kuma yana inganta ingantaccen tsarin narkewa, yana haifar da ƙarancin amfani da makamashi da rage farashin samarwa.
Hotunan Electrode na Musamman
GRAPHITE ELECTRODE yana da kyau don amfani a cikin wutar lantarki arc tanderu da sauran aikace-aikacen masana'antu. Abubuwan da ke da mahimmanci suna tabbatar da lantarki na graphite zai iya tsayayya da yanayin zafi mai zafi wanda ya kai 3,000 ° C zuwa kuma matsa lamba a cikin wutar lantarki na arc (EAF).
- High thermal Conductivity- Na'urorin lantarki na graphite suna da kyakkyawan yanayin zafi, wanda ke ba su damar jure yanayin zafi da matsin lamba yayin aikin narkewa.
- Ƙananan Juriya na Wutar Lantarki- Ƙananan juriya na lantarki na graphite electrodes yana sauƙaƙe sauƙi na wutar lantarki a cikin wutar lantarki.
- Babban Ƙarfin Injini- An ƙera na'urorin lantarki na graphite don samun ƙarfin injina don jure yanayin zafi da matakan matsa lamba a cikin tanderun baka na lantarki.
- Kyakkyawan Juriya na Chemical- Graphite abu ne mai matukar rashin aiki wanda ke da juriya ga yawancin sinadarai da abubuwa masu lalata.Na'urorin lantarki na graphite suna da kyau don amfani a cikin matsanancin yanayin masana'antu, inda sauran kayan na iya gazawa saboda harin sinadari.
Graphite lantarki ba kawai yadu amfani a lantarki baka tanderu, kuma ana amfani da a samar da silicon karfe, rawaya phosphorus, da sauran wadanda ba ferrous karafa, acid, alkalis, da sauran sunadarai, lalata muhalli.
Ana rarraba na'urorin lantarki na graphite zuwa maki uku bisa la'akari da kaddarorinsu na zahiri, ƙayyadaddun bayanai da aikace-aikace daban-daban masu alaƙa da ƙarfin wutar lantarki, nauyin wutar lantarki.Mafi yawan maki na graphite lantarki da ake amfani da su sune Ultra-high power (UHP), High Power (HP), da Regular Power (RP).
UHP graphite lantarki fasali high thermal watsin da low lantarki juriya, ana amfani da su musamman don matsananci-high ikon wutar lantarki baka makera (EAF) a smelting na mai ladabi karfe ko musamman steel.UHP graphite lantarki ne dace da lantarki tanderu iya aiki ne 500 ~ 1200kV / A kowace ton.
HP Graphite Electrode shine mafi kyawun abu don wutar lantarki da wutar lantarki, yana aiki azaman mai ɗaukar hoto don gabatar da halin yanzu a cikin tanderun. da ton.
RP graphite lantarki da aka yadu amfani da na yau da kullum ikon lantarki tanderu wanda damar ne a kusa da 300kV / A da ton ko less.The RP sa yana da mafi ƙasƙanci thermal watsin da kuma inji ƙarfi idan aka kwatanta da UHP graphite lantarki da HP graphite electrode.RP graphite lantarki ne mafi dace. don samar da ƙananan karafa irin su ƙera ƙarfe, tace silicon, tace sinadarin phosphorus, samar da masana'antun gilashi.
Tare da karuwar buƙatun madadin hanyoyin samar da wutar lantarki, na'urorin lantarki na graphite kuma suna taka muhimmiyar rawa wajen haɓaka ƙwayoyin mai.
Na'urorin lantarki na graphite suna da fa'idar aikace-aikace iri-iri a masana'antu daban-daban.Wasu daga cikin aikace-aikacen farko na graphite electrode sun haɗa da;
Wutar Lantarki Arc (EAF) a cikin Karfe
Aikace-aikacen lantarki na graphite a cikin ƙera ƙarfe na EAF shine maɓalli mai mahimmanci na samar da ƙarfe na zamani.Graphite electrodes ne a matsayin madugu don sadar da wutar lantarki zuwa ga tanderun, wanda bi da bi ya samar da zafi don narka karfe.The EAF tsari na bukatar high yanayin zafi don narka da yatsa karfe, graphite electrodes iya jure high yanayin zafi ba tare da rasa su tsarin mutunci.As duniya. ya ci gaba da mai da hankali kan hanyoyin samarwa masu dorewa da inganci, na'urorin lantarki na graphite za su ci gaba da taka muhimmiyar rawa a aikin ƙarfe na EAF.
Ladle Furnace (LF)
Ladle furnaces (LFs) sune mahimman abubuwan da aka tsara na Ƙarfe na Ƙarfe. Ana amfani da na'urorin lantarki na Graphite a cikin masana'antar wutar lantarki don samar da wutar lantarki mafi girma da kuma yawan zafin jiki a ko'ina cikin tsari.A graphite lantarki mallaka kyawawan siffofi ciki har da high conductivity, juriya ga thermal girgiza da sinadaran lalata, da kuma tsawon rai, su ne manufa zabi ga ladle makera (LF) aikace-aikace.Ta yin amfani da graphite electrodes, ladle tanderu masu aiki na iya cimma mafi girma yadda ya dace, yawan aiki. da kuma tsadar farashi, yayin da ake kiyaye ingantattun matakan da masana'antu ke buƙata.
Tanderun Lantarki Mai Ruwa (SEF)
Ana amfani da na'urorin lantarki na graphite sosai a cikin tanderun lantarki da aka nutsar da su muhimmin abu ne a cikin samar da karafa da kayan da yawa kamar su phosphorus mai launin rawaya, siliki mai tsafta.Na'urorin lantarki na graphite sun mallaki kyakkyawan yanayin da suka haɗa da babban ƙarfin wutar lantarki, babban juriya ga girgiza zafi, da ƙarancin haɓakar haɓakar thermal.Waɗannan fasalulluka sun sa na'urar lantarki mai graphite ya dace don amfani da su a cikin tanderun lantarki da ke nutsewa, inda matsananciyar zafi da matsananciyar yanayi suka zama al'ada.
Graphite lantarki da muhimmanci aka gyara a cikin Electric Arc Furnace (EAF) steelmaking tsari.The graphite lantarki amfani da wani m kudin kashi a karfe samar.Yadda za a zabi dace sa da size for graphite lantarki, akwai da yawa dalilai la'akari ga kowane aikace-aikace.
- Nau'in karfe da daraja
- Burner da aikin oxygen
- Matsayin ƙarfi
- Matsayin yanzu
- Tsarin tanderu da iya aiki
- Cajin kaya
- Amfani da graphite electrode mai niyya
Zaɓin madaidaicin graphite na lantarki don tanderun ku yana da mahimmanci don cimma kyakkyawan aiki, rage yawan kuzari, da rage farashin kulawa.
Jadawalin Shawarar Daidaitawa Don Tanderun Lantarki Tare da Electrode
| Ƙarfin Tanderu (t) | Diamita na Ciki (m) | Ƙarfin Canji (MVA) | Diamita Electrode Graphite (mm) | ||
| UHP | HP | RP | |||
| 10 | 3.35 | 10 | 7.5 | 5 | 300/350 |
| 15 | 3.65 | 12 | 10 | 6 | 350 |
| 20 | 3.95 | 15 | 12 | 7.5 | 350/400 |
| 25 | 4.3 | 18 | 15 | 10 | 400 |
| 30 | 4.6 | 22 | 18 | 12 | 400/450 |
| 40 | 4.9 | 27 | 22 | 15 | 450 |
| 50 | 5.2 | 30 | 25 | 18 | 450 |
| 60 | 5.5 | 35 | 27 | 20 | 500 |
| 70 | 6.8 | 40 | 30 | 22 | 500 |
| 80 | 6.1 | 45 | 35 | 25 | 500 |
| 100 | 6.4 | 50 | 40 | 27 | 500 |
| 120 | 6.7 | 60 | 45 | 30 | 600 |
| 150 | 7 | 70 | 50 | 35 | 600 |
| 170 | 7.3 | 80 | 60 | --- | 600/700 |
| 200 | 7.6 | 100 | 70 | --- | 700 |
| 250 | 8.2 | 120 | --- | --- | 700 |
| 300 | 8.8 | 150 | --- | --- | |