Grafite na roba shine polycrystalline mai kama da crystallography. Akwai nau'ikan graphite na wucin gadi da yawa da hanyoyin samarwa daban-daban.
A cikin ma'ana mai mahimmanci, duk kayan aikin graphite da aka samu bayan carbonization na kwayoyin halitta da graphitization a babban zafin jiki ana iya kiran su gaba ɗaya azaman graphite wucin gadi, kamar carbon (graphite) fiber, pyrolytic carbon (graphite), graphite kumfa, da sauransu.
A cikin kunkuntar ma'ana, wucin gadi graphite yawanci yana nufin babban m kayan, kamar graphite lantarki, isostatic graphite, sanya ta batching, hadawa, gyare-gyaren, carbonization (wanda aka sani da gasa a masana'antu) da kuma graphitization, tare da low najasa abun ciki na gawayi albarkatun kasa. (Petroleum coke, kwalta coke, da dai sauransu) a matsayin jimillar, kwal farar a matsayin mai ɗaure.
Akwai nau'i-nau'i da yawa na graphite na wucin gadi, ciki har da foda, fiber da toshe, yayin da kunkuntar ma'anar graphite na wucin gadi yawanci toshe ne, wanda ke buƙatar sarrafa shi zuwa wani nau'i idan aka yi amfani da shi. Ana iya ɗaukarsa azaman nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau’in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau’in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau‘in nau'in nau'in nau'in nau'in nau'in nau'in nau'i na nau'i) wanda aka canza shi ta hanyar barbashi na carbon kamar man coke ko kwalta coke, lokacin graphite wanda aka canza shi ta hanyar daure mai ruɓi mai rufi a kusa da barbashi, tarin barbashi ko ramukan da aka kafa ta kwal. farar ɗaure bayan zafi magani, da dai sauransu. Gabaɗaya magana, mafi girma da zafi magani zafin jiki, da mafi girma mataki na graphitization. Samar da masana'antu na graphite wucin gadi, matakin graphitization yawanci ƙasa da 90%.
Idan aka kwatanta da na halitta graphite, wucin gadi graphite yana da rauni canja wurin zafi da lantarki watsin, lubricity da kuma plasticity, amma wucin gadi graphite kuma yana da mafi kyau lalacewa juriya, lalata juriya da low permeability fiye da na halitta graphite.
A albarkatun kasa don samar da wucin gadi graphite yafi hada man fetur coke, allura coke, kwalta coke, coal farar, carbon microspheres, da dai sauransu Its downstream kayayyakin yafi hada graphite lantarki, pre-gasa anode, isostatic graphite, high tsarki graphite, nukiliya graphite, zafi zafi. musayar canji da sauransu.
Aikace-aikacen samfurin na graphite wucin gadi yana nunawa a cikin abubuwa masu zuwa:
1. Graphite electrode: Tare da man fetur coke da allura coke a matsayin albarkatun kasa da kuma kwal farar a matsayin mai ɗaure, da graphite lantarki da ake yi ta calcination, batching, hadawa, latsa, gasashe, graptitization da machining. Ana amfani da shi sosai a cikin tanderun wutar lantarki, silicon masana'antu, phosphorus mai rawaya da sauran kayan aiki ta hanyar sakin makamashin lantarki a cikin nau'in baka don zafi da narke cajin.
2. Pre-gasa anode: Ya sanya daga man fetur coke kamar yadda albarkatun kasa da kuma ci farar kamar yadda m ta calcination, batching, hadawa, latsa, roasting, impregnation, graphitization da machining, shi ne kullum amfani da matsayin conductive anode na electrolytic aluminum kayan aiki.
3. Bearing, sealing zobe: isar da lalata kayan aikin watsa labarai, yadu amfani wucin gadi graphite sanya daga piston zobe, sealing zobba da bearings, aiki ba tare da ƙara lubricating man fetur.
4. Heat Exchanger, tace aji: wucin gadi graphite yana da halaye na lalata juriya, mai kyau thermal watsin da low permeability. Ana amfani da shi sosai a cikin masana'antar sinadarai don yin musayar zafi, tankin amsawa, abin sha, tacewa da sauran kayan aiki.
5. Musamman graphite: tare da high quality man coke kamar yadda albarkatun kasa, ci farar ko roba guduro a matsayin mai ɗaure, ta hanyar albarkatun kasa shiri, batching, kneading, latsawa, crushing, hadawa kneading, gyare-gyaren, mahara gasa, mahara shigar azzakari cikin farji, tsarkakewa da kuma graphitization, machining da sanya, gabaɗaya ciki har da graphite isostatic, graphite nukiliya, babban graphite mai tsabta, ana amfani da shi a sararin samaniya, kayan lantarki, sassan masana'antar nukiliya.
Lokacin aikawa: Nuwamba-23-2022