Karfe mai kauri, a matsayin sharar da aka yi amfani da ita wajen narkar da ƙarfe, ya ƙunshi manyan abubuwan ƙarfe. Saboda yawansa da kuma yawansa, ba za a iya yaɗa shi a masana'antar gini ba. Ba a sake samun isasshen albarkatun ƙarfe masu daraja ba, wanda hakan ya haifar da wani adadin sharar. Ya kamata a sake amfani da sarƙar ƙarfen kuma a sake amfani da ita ta hanyar wani tsari na raba maganadisu, kuma a cika buƙatun ƙarfen foda da kayan ƙarfen da ke ɗauke da ƙarfen ke buƙata don narkar da tanderun fashewa, don a iya sake amfani da sarƙar ƙarfen. Ana iya amfani da shi sosai a gini.
A halin yanzu, wani tsari na rabuwar maganadisu hanya ce mafi dacewa, kuma yana da matuƙar muhimmanci a zaɓi kayan aiki masu dacewa don cimma rabuwar ƙarfe da kuma murmurewa mai inganci. Ana niƙa sarƙar ƙarfe don cimma rabuwar sa, sannan ta hanyar raba ma'adinan ƙarfe ta hanyar iska, ana karɓar ma'adinan abinci, mai da hankali da wutsiya bi da bi, kuma ana nazarin jimlar matakin ƙarfe don samun mafi kyawun sigogin tsari da kayan aiki. Ba da tallafin fasaha mai dacewa don samarwa na gaske.
Kayayyakin ƙarfe na slag
Karfe slag shine sharar da ake samarwa ta hanyar amfani da lemun tsami mai yawan magnesium, lemun tsami mai aiki da sauran kayan taimako don kawar da gurɓatawa da kuma hura iskar oxygen a cikin aikin yin ƙarfe, don haka yana ɗauke da sinadarin iron oxide mai yawan gaske, gabaɗaya 20%-40%, kuma yawan FeO ya fi Fe2O3, na farko gabaɗaya 15%-25%, yayin da na biyu kuma 5%-15%, duka biyun suna nuna rauni a maganadisu.
Kayan aikin gwaji
Kayan aikin gwajin sun yi amfani da na'urar raba maganadisu ta FX0665 ta foda ta iska mai bushewa ta kamfanin Huate, wacce galibi ake amfani da ita don zaɓar magnetite kafin niƙa ko samar da ingantaccen mai daga magnetite mai foda.
Mai Rarraba Magnetic na Foda Ore
Ka'idar aiki
harsashi na sama 2. watsawa 3. Ramin ciyarwa 4. Na'urar maganadisu 5. hanyar fitar da ƙura 6. Na'urar shigar iska 7. na'urar diyya ta iska 8. firam 9. Buɗewar wutsiya 10. Buɗewa mai ƙarfi
ƙananan harsashi
An nuna ƙa'idar aiki ta mai raba ma'adinan foda ta iska mai busar da iska a cikin hoton. Ana ciyar da ma'adinan zuwa saman ma'adinan ta hanyar tashar ciyar da ma'adinan 3, kuma ana lulluɓe ma'adinan maganadisu a saman ma'adinan maganadisu 4 a ƙarƙashin aikin ƙarfin maganadisu, kuma ana juyawa da ma'adinan maganadisu 4. A yayin wannan aikin, ma'adanai da ke saman ma'adinan maganadisu 4 suna fuskantar haɗin gwiwar bugun maganadisu na manyan sandunan maganadisu masu kusurwa da sandunan maganadisu masu yawa, na'urar motsa maganadisu, na'urar shigar iska 6 da tashar cire ƙura 5, don a kawar da ƙazanta a cikin ma'adanai da ƙwayoyin cuta marasa haɗin kai yadda ya kamata. Ta haka, ana inganta matsayin ma'adinan da aka zaɓa. Bayan an juya ma'adanai da aka zaɓa zuwa yankin da ba na maganadisu ba tare da ma'adinan maganadisu 4, ana wadatar da su cikin tashar tattarawa 9 a ƙarƙashin aikin nauyi, ƙarfin centrifugal da na'urar sauke kaya don zama mai tattarawa. Ana cire ma'adanai marasa maganadisu ko jikin da aka haɗa da sirara daga bakin wutsiya 8 a ƙarƙashin aikin nauyi da ƙarfin centrifugal, kuma suna zama wutsiya ko matsakaicin ma'adinai.
Kirkire-kirkire da fasahar musamman ta raba majina ta amfani da foda ta hanyar amfani da iska
1. Ana amfani da mai ciyar da abinci mai girgiza don ciyarwa, kuma ana iya daidaita sigogin mai ciyarwa don cimma ciyarwa iri ɗaya;
2. Tsarin maganadisu yana ɗaukar ƙirar sandar da yawa, babban kusurwar naɗewa (har zuwa digiri 200-260), ƙarfin filin mai girma (3000-6000Gs), kuma ana iya canza tsarin tsarin maganadisu bisa ga kaddarorin ma'adinai don cimma alamun beneficiation masu ma'ana;
3. Ana daidaita saurin silinda tsakanin mita 1-20/s, kuma ana iya zaɓar saurin layi mai dacewa gwargwadon yanayin ma'adinin; silinda an yi ta ne da kayan da ba na ƙarfe ba kuma an sanye ta da na'urar motsa maganadisu don inganta matakin tattarawa;
4. Yana da takamaiman tsarin wukar iska, na'urar diyya ta iska da na'urar cire ƙura (ana iya zaɓar sigogi masu dacewa bisa ga yanayi da buƙatun ma'aunin ma'adinan); saman silinda an samar da na'urar sauke kaya, wacce za ta iya samar da tsaftataccen fitar da mai;
Mai raba majina na FX foda mai busasshiyar iska ya ƙunshi na'urar watsawa, ganga mai raba majina, na'urar hura iska, na'urar cire ƙura da aka haifar, na'urar tattara majina, da sauransu. Ƙarfin filin maganadisu na ganga mai raba majina shine 3500Gs., ƙarfin maganadisu, ƙarfin centrifugal mai juyawa, da sauransu, na iya cimma zaɓin bushewa na magnetite mai girman barbashi 0-5mm ko kuma inganta matakin magnetite mai kyau na foda. Babban tasirin sune kamar haka:
A. Za a iya ƙara yawan ƙarfin magnetite mai girman 0-5mm daga kusan kashi 10% zuwa fiye da kashi 40%. Ana iya amfani da shi azaman zubar da shi kafin niƙa, wanda zai iya inganta matakin shiga sosai da kuma inganta ingancin injin niƙa.
B. Za a iya ƙara yawan sinadarin magnetite mai kyau daga -74um da -45um daga kusan 10% zuwa fiye da 60%, kuma ana iya samun ingantaccen sinadarin kai tsaye ta hanyar zaɓin busasshe.
Hanyar gwaji da bincike.
①Binciken abubuwan da aka saba da kuma gano kayan ƙarfe.
②Shiryawa da tsarkake ma'adanai marasa ƙarfe kamar Ingilishi, dogon dutse, fluorite, fluorite, kaolinite, bauxite, kakin ganye, baryrite, da sauransu.
③Ƙarfafa baƙin ƙarfe kamar ƙarfe, titanium, manganese, chromium da vanadium.
④ Ma'adinai na ma'adanai masu rauni kamar baƙin tungsten ma'adinai, tantalum niobium ma'adinai, rumman, iskar gas ta lantarki, da kuma girgije baƙi.
⑤ Cikakken amfani da albarkatu na biyu kamar su wutsiya daban-daban da kuma tarkacen narkewa.
⑥ Akwai ma'adanai masu ƙarfi, masu nauyi da kuma waɗanda ke da ƙarfin ƙarfe.
⑦ Rarraba ma'adanai na ƙarfe da waɗanda ba na ƙarfe ba cikin sauƙi.
⑧ Gwajin zaɓi mai ci gaba na masana'antu na Semi-masana'antu.
⑨ Tsarin sarrafa foda mai kyau kamar murkushe kayan aiki, niƙa ƙwallo da rarrabuwa.
⑩ Ayyukan EPC na turnkey kamar niƙa, zaɓi kafin a yi, niƙa, rabuwar maganadisu (mai nauyi, flotation), busasshen jirgin ruwa, da sauransu.
Lokacin Saƙo: Maris-14-2022