Fasahar masana'anta na crucibles graphite don narkewar jan ƙarfe yana fuskantar juyin juya hali. Wannan tsari yana amfani da hanyar latsa isostatic mai sanyi mafi ci gaba a duniya kuma an ƙirƙira shi ƙarƙashin babban matsi na 600MPa don tabbatar da cewa tsarin ciki na crucible ya kasance iri ɗaya kuma mara lahani kuma yana da ƙarfi sosai. Wannan sabon abu ba wai yana inganta aikin crucible kadai ba, har ma yana samar da babban ci gaba wajen kiyaye makamashi da kare muhalli.
Amfanin sanyi isostatic latsa
Tsarin ciki iri ɗaya ne kuma mara lahani
Ƙarƙashin gyare-gyaren matsa lamba, tsarin ciki na jan ƙarfe-graphite crucible yana da daidaituwa sosai ba tare da lahani ba. Wannan ya bambanta sosai da hanyoyin yankan gargajiya. Saboda ƙananan matsin lamba, hanyoyin gargajiya ba makawa suna haifar da lahani na ciki wanda ke shafar ƙarfinsa da ƙarfin zafi.
Ƙarfin ƙarfi, bangon bakin ciki na bakin ciki
Hanyar latsawar isostatic mai sanyi yana inganta ƙarfin crucible a ƙarƙashin babban matsin lamba. Ƙarfin da ya fi girma yana ba da damar ganuwar crucible don yin sirara, don haka ƙara haɓakar zafin jiki da rage yawan kuzari. Idan aka kwatanta da crucibles na gargajiya, wannan sabon nau'in crucible ya fi dacewa da ingantaccen samarwa da buƙatun ceton makamashi.
Kyakkyawan halayen thermal da ƙarancin amfani da makamashi
Ƙarfi mai ƙarfi da siriri mai bango na ruɓaɓɓen jan ƙarfe graphite crucibles yana haifar da ingantacciyar haɓakar zafin rana idan aka kwatanta da na al'ada. Haɓaka haɓakar zafin jiki yana nufin cewa za'a iya canja wurin zafi daidai da sauri yayin aikin narkewar kayan aikin aluminum, gami da zinc, da dai sauransu, don haka rage yawan amfani da makamashi da haɓaka haɓakar samarwa.
Kwatanta da hanyoyin masana'antu na gargajiya
Iyakance hanyoyin yankan
Yawancin guraben graphite da aka kera a cikin gida ana yin su ne ta hanyar yankewa sannan kuma ana yin su. Wannan hanya tana haifar da rashin daidaituwa, rashin ƙarfi, da ƙananan ƙarfi na ciki saboda ƙananan matsa lamba. Bugu da ƙari, yana da ƙarancin wutar lantarki da kuma yawan amfani da makamashi, yana sa ya zama da wuya a cika buƙatun masana'antu na zamani don ingantaccen inganci da tanadin makamashi.
Lalacewar masu koyi
Wasu masana'antun suna yin koyi da hanyar latsawar isostatic mai sanyi don samar da crucibles, amma saboda ƙarancin masana'anta, yawancinsu suna samar da siliki carbide crucibles. Waɗannan ƙuƙumman suna da bango mai kauri, rashin ƙarfi na zafin jiki, da yawan amfani da makamashi, waɗanda ke da nisa daga ainihin narkakkar ginshiƙi na ginshiƙi na jan ƙarfe da aka yi ta hanyar latsawa mai sanyi.
Ka'idodin fasaha da aikace-aikace
A cikin tsarin narkewa na aluminum da zinc gami, juriya na iskar shaka da haɓakar thermal na crucible sune mahimman abubuwa. Crucibles ƙera ta amfani da sanyi isostatic latsa hanya sanya musamman girmamawa ga hadawan abu da iskar shaka juriya yayin guje wa illa na fluoride-dauke da fluxes. Wadannan crucibles suna kula da kyakkyawan aiki a yanayin zafi mai girma ba tare da gurɓata ƙarfe ba, yana inganta ƙarfin gaske.
Aikace-aikace a cikin aluminum gami smelting
Graphite crucible yana taka muhimmiyar rawa wajen narkar da kayan aluminium, musamman wajen samar da simintin gyare-gyare da simintin gyare-gyare. Matsakaicin narkewar gawa na aluminium yana tsakanin 700 ° C da 750 ° C, wanda kuma shine kewayon zafin jiki inda graphite ke samun sauƙi. Saboda haka, graphite crucibles samar da sanyi isostatic latsa sanya musamman girmamawa ga hadawan abu da iskar shaka juriya don tabbatar da kyakkyawan aiki a high yanayin zafi.
An tsara shi don hanyoyin narkewa daban-daban
Graphite crucible ya dace da hanyoyi daban-daban na narkewa, ciki har da murhun tanderu guda ɗaya da smelting hade tare da adana zafi. Don simintin gyare-gyare na aluminum, ƙirar ƙira tana buƙatar biyan buƙatun hana H2 sha da haɗuwa da oxide, don haka ana amfani da ma'auni mai mahimmanci ko babban nau'i mai siffar kwano. A cikin tanderun da ke narkewa, yawanci ana amfani da tanderun da ke karkashewa don sake sarrafa sharar da ke narkewa.
Kwatanta fasalin ayyuka
Babban yawa da thermal conductivity
Girman nau'in graphite crucibles da aka ƙera ta hanyar latsawar isostatic mai sanyi yana tsakanin 2.2 da 2.3, wanda shine mafi girman yawa tsakanin crucibles a duniya. Wannan babban yawa yana ba da mafi kyawun yanayin zafi, mafi mahimmanci fiye da sauran samfuran crucibles.
Glaze da juriya na lalata
Fuskar narkakken aluminum graphite crucible an lulluɓe shi da yadudduka huɗu na rufin glaze na musamman, wanda, haɗe tare da kayan gyare-gyare mai yawa, yana haɓaka juriya na ɓarna da haɓaka rayuwar sabis. Sabanin haka, crucibles na cikin gida suna da Layer na siminti da aka ƙarfafa kawai a saman, wanda ke lalacewa cikin sauƙi kuma yana haifar da iskar oxygenation na crucible.
Abun da ke ciki da kuma thermal conductivity
Narkar da tagulla graphite crucible yana amfani da graphite na halitta, wanda ke da kyakkyawan yanayin zafi. Sabanin haka, na'urorin graphite na gida suna amfani da graphite na roba, rage graphite abun ciki don rage farashi, da kuma ƙara yawan yumbu don yin gyare-gyare, don haka ƙarfin wutar lantarki yana raguwa sosai.
Marufi da wuraren aikace-aikace
Shiryawa
Narkakken jan ƙarfe graphite crucible yawanci ana haɗa shi kuma an haɗa shi da igiya bambaro, hanya ce mai sauƙi kuma mai amfani.
Fadada filayen aikace-aikace
Tare da ci gaba da ci gaban fasaha, filayen aikace-aikacen na graphite crucibles suna ci gaba da fadadawa. Musamman ma a cikin samar da kayan maye na aluminum ya zama jakadun su na aluminum da manyan magabata, sannu a hankali giciye na gargajiya za su iya biyan bukatun samarwa na sassan mai inganci.
a karshe
Aikace-aikacen hanyar danna isostatic mai sanyi ya kawo aiki da ingancin narkewar jan karfe-graphite crucible zuwa sabon matakin. Ko daidaitaccen tsari ne, ƙarfi ko yanayin zafi na tsarin ciki, yana da mahimmanci fiye da hanyoyin masana'anta na gargajiya. Tare da yaɗuwar aikace-aikacen wannan fasaha ta ci gaba, buƙatar kasuwa don ƙwanƙwasa graphite za ta ci gaba da faɗaɗawa, yana haifar da ɗaukacin masana'antar zuwa gaba mai inganci da yanayin muhalli.
Lokacin aikawa: Juni-05-2024