01 taƙaita
Feldspar yana ɗaya daga cikin ma'adanai da aka fi sani a cikin ɓawon nahiya. Babban abubuwan da ke cikinsa sun haɗa da SiO2, Al2O3, K2O, Na2O da sauransu. Ya ƙunshi potassium, sodium, calcium da ƙaramin adadin barium da sauran ƙarfe na alkali ko ƙarfe na ƙasa na alkaline. A matsayin albarkatun ma'adinai na dabarun da ba na ƙarfe ba, ma'adanai na feldspar suna yaɗuwa sosai a cikin ɓawon ƙasa, kuma su ne ma'adanai mafi yaɗuwa na silicate da ke samar da duwatsu banda quartz. Kimanin kashi 60% na su suna faruwa ne a cikin duwatsu masu kama da magmatic, kashi 30% a cikin duwatsu masu kama da metamorphic, da kuma kashi 10% a cikin duwatsu masu kama da sedimentary, tare da jimlar nauyin kashi 50% na jimlar nauyin duniya. Akwai isomorphism mai kyau a cikin ma'adanai na feldspar, kuma yawancin sinadaran ana bayyana su ta hanyar OrxAbyAnz(x+y+z=100), inda Or, Ab da An ke wakiltar sassa uku na potassium feldspar, albinite da calcium feldspar, bi da bi.
Matsakaicin narkewar feldspar yawanci yana kusa da 1300℃, yawansa shine kusan 2.58g/cm3, Taurin Mos 6.5, takamaiman nauyi yana canzawa tsakanin 2.5-3, karyewa, juriya ga matsi, kyakkyawan niƙa da aikin haɓakawa, mai sauƙin murƙushewa. Kyakkyawan kwanciyar hankali na sinadarai, juriya ga tsatsa, banda yawan sinadarin sulfuric acid da hydrofluoric acid; Yana taimakawa wajen narkewa, wanda aka saba amfani da shi azaman kwarara a masana'antar yumbu da gilashi; Ƙananan ma'aunin refraction da birefraction. Yana da haske mai kama da gilashi, amma sau da yawa yana da launi daban-daban saboda yana ɗauke da ƙazanta. Yawancin ma'adanai na feldspar ana amfani da su azaman kayan aiki don masana'antar gilashi da yumbu, kuma ana iya amfani da su don maganin taki, gogewa da kayan aiki, zare gilashi da sauran masana'antu.
02 Abubuwan da ke shafar ingancin feldspar
Na farko shine sinadarin da ke da ikon rini, kamar Fe, Ti, V, Cr, Mn, Cu, da sauransu.
A yanayi na yau da kullun, Fe da Ti sune manyan abubuwan rini, sauran abubuwan da ke cikin su ƙanana ne, kuma fari ba shi da tasiri sosai.
Nau'i na biyu shine ma'adanai masu duhu, kamar biotite, rutile, chlorite da sauransu. Abubuwan da ke cikin ma'adanai masu duhu a cikin duwatsun ma'adinai ba su da yawa, amma yana da tasiri sosai akan ingancin feldspar concentrate. Nau'i na uku shine carbon na halitta da aka ajiye tare da feldspar, wanda ke ba ma'adinin launin toka-baƙi. A mafi yawan lokuta, carbon na halitta yana da sauƙin cirewa a yanayin zafi mai yawa, kuma farin ba shi da tasiri sosai. Babban abubuwan da ke cikin samfuran masana'antu sune ƙarfe, titanium, da ƙarfe, kuma saman samfurin zai bayyana tabo baƙi, abun da ke cikin calcium ya yi yawa, saman samfurin bai daidaita ba, don haka don inganta ingancin ma'adanai na dutse masu tsayi, dole ne a rage amfani da dogon dutse, abun da ke cikin ma'adanai masu duhu da calcium, musamman cire ƙarfe oxide.
Kasancewar ƙarfe a cikin feldspar galibi yana da siffofi kamar haka: 1. Ya fi kama da monomer ko tarin hematite, magnetite da limonite tare da girman barbashi na >0.1mm. Yana da siffar zagaye, kamar allura, kamar flake ko mara tsari, yana warwatse sosai a cikin ma'adanai na feldspar kuma yana da sauƙin cirewa. Na biyu, saman feldspar yana gurɓata ta hanyar ƙarfe oxide a cikin nau'in zubewa, ko kuma tare da tsagewa, ma'adanai da haɗin gwiwar rarrabawar feldspar, ƙarfe oxide da aka samar ta hanyar rini na ƙarfe yana ƙara wahalar cire ƙarfe sosai. Na uku, yana wanzuwa a cikin nau'in ma'adanai masu ɗauke da ƙarfe, kamar biotite, limonite, pyrite, ferrotitanium ore, amphibole, epidote da sauransu.
03 Hanyoyin amfani da ma'adinan feldspar da aka saba amfani da su
A halin yanzu, babban tsarin tsarkake ma'adinan feldspar na cikin gida gabaɗaya shine "rushewa - rarrabuwar niƙa - rabuwar maganadisu - flotation", bisa ga abubuwan da ke cikin ƙazanta na ma'adinan feldspar daban-daban da halayen da aka haɗa da ma'adinan gangue, da kuma rabuwar hannu, ragewa, rarrabuwa da sauran ayyuka.
(1) niƙawa da niƙawa
Ana raba murƙushe feldspar zuwa murƙushewa mai kauri da murƙushewa mai kyau. Yawancin ma'adanai dole ne su bi hanyoyi guda biyu na murƙushewa mai kauri da murƙushewa mai kyau. Murƙushewa mai kauri yawancin murƙushewa mai kauri, kayan aikin murƙushewa galibi injin murƙushewa mai nau'in turɓaya, injin murƙushewa mai nau'in turɓaya mai kama da turɓaya, injin murƙushewa mai nau'in turɓaya, da sauransu.
Niƙa feldspar galibi ana raba shi zuwa busasshen niƙa da kuma niƙa mai laushi.
Ingancin niƙa mai jika ya fi na niƙa busasshe, kuma abin da ke faruwa na "niƙa mai yawa" ba abu ne mai sauƙi ba. Kayan aikin niƙa galibi sune injin niƙa ƙwallo, injin niƙa sanda, injin niƙa hasumiya, injin niƙa yashi, injin niƙa girgiza, injin niƙa iska, da sauransu.
(2) Wankewa da kuma cire lime
Ma'adinan Feldspar a cikin tsarin samuwar zai ƙunshi wani adadin slime. Wankewa galibi shine don cire ƙazanta kamar yumbu, laka mai laushi da mica a cikin feldspar. Wankewa na iya rage abun cikin Fe2O3a cikin ma'adinai, da kuma inganta abun ciki na K2O da Na2Wanke ma'adinai na O. Wanke ma'adinai yana nufin raba shi da ma'adanai masu kauri a ƙarƙashin tasirin kwararar ruwa ta hanyar amfani da halayen ƙaramin girman barbashi da saurin daidaitawa a hankali na yumbu, laka mai laushi da mica. Kayan aikin wankin ma'adinai da aka fi amfani da su sune injin gogewa, allon girgiza da tankin wankin ma'adinai.
Babban manufar cire laka shine a cire ma'adinan asali daga ma'adinan da kuma ma'adinan sakandare na matsakaicin tsarin niƙa da ya lalace, da kuma hana tasirin zaɓin foda daga baya. Kayan aikin deputer da aka saba amfani da su suna da hydraulic cyclone, classifier, centrifuge da depuff.
(3) rabuwar maganadisu
Ta amfani da bambancin maganadisu tsakanin ma'adanai daban-daban, tsarin cire ƙarfe a ƙarƙashin aikin filin maganadisu na waje ana kiransa rabuwar maganadisu. Feldspar ba shi da maganadisu, amma Fe2O3Kuma mica a cikin feldspar suna da rauni a maganadisu, don haka a ƙarƙashin yanayin ƙarfafa filin maganadisu na waje, ana iya raba Fe2O3, mica da feldspar. A halin yanzu, kayan aikin rabuwar maganadisu da aka saba amfani da su a China galibi sun haɗa da mai raba maganadisu mai rare a duniya, mai raba maganadisu na dindindin, mai raba maganadisu na dindindin, mai raba maganadisu mai rigar maganadisu, mai raba maganadisu mai tsayi a tsaye, mai raba maganadisu mai tsayi a tsaye, mai raba maganadisu mai tsayi a cikin electromagnetic slurry da mai raba maganadisu mai ƙarfi a superconducting.
(4) iyo
Hanyar flotation tana nufin ƙara sinadarin daidaitawa, mai tarawa, sinadarin kumfa da sauran sinadarai a cikin ɓangaren litattafan albarkatun ƙasa, don haka ƙazanta na ƙarfe da aka haɗa a cikin kumfa, don haka da ruwan ɓangaren litattafan, sannan a goge shi ta hanyar injiniya, don raba ƙazanta na ƙarfe da foda mai laushi. Flotation hanya ce mai tasiri don cire ƙazanta na feldspar. A gefe guda, yana iya cire ƙazanta kamar ƙarfe da mica, kuma a gefe guda, yana iya ƙara yawan sinadarin potassium da sodium. Lokacin da ma'adinan ya bambanta, zaɓin wakilin kamawa ya bambanta, amma ana iya ɗaukar tsarin flotation na baya.
Lokacin Saƙo: Fabrairu-01-2021