01 taƙaitawa
Feldspar yana daya daga cikin ma'adanai na yau da kullun a cikin ɓawon nahiya. Babban abubuwan da ke tattare da shi sun haɗa da SiO2, Al2O3, K2O, Na2O da sauransu. Ya ƙunshi potassium, sodium, calcium da ƙaramin adadin barium da sauran alkali karafa ko alkaline ƙasa. A matsayin dabarun ma'adinan da ba na ƙarfe ba, ma'adinan feldspar suna yadu a cikin ɓawon burodi na duniya, kuma sune mafi yawan rarraba ma'adinan dutsen silicate banda ma'adini. Game da 60% daga cikinsu suna faruwa a cikin dutsen magmatic, 30% a cikin dutsen metamorphic, da 10% a cikin duwatsu masu laushi, tare da nauyin nauyin 50% na jimlar nauyin duniya. Akwai isomorphism mai kyau a cikin ma'adanai na feldspar, da sinadarai. abun da ke ciki galibi yana bayyana ta KoxAbyAnz(x+y+z=100), inda Or, Ab da An wakiltar sassa uku na potassium feldspar, albinite da calcium feldspar, bi da bi.
Matsakaicin narkewa na feldspar shine gabaɗaya kusan 1300 ℃, yawancin shine kusan 2.58g / cm3, Mos hardness 6.5, ƙayyadaddun nauyi yana canzawa tsakanin 2.5-3, gaggautsa, juriya matsawa, mai kyau grindability da ci gaban yi, sauki murkushe.Good sinadaran kwanciyar hankali, lalata juriya, fãce babban taro na sulfuric acid da hydrofluoric acid;Taimaka narke aiki, yawanci ana amfani dashi azaman juzu'i a masana'antar yumbu da gilashi; Ƙananan index of refraction da birefraction.It yana da gilashin haske, amma sau da yawa yana da launi daban-daban saboda ya ƙunshi ƙazanta.Mafi yawan ma'adanai na feldspar ana amfani da su azaman kayan albarkatun gilashi da masana'antar yumbu, da kuma Hakanan za'a iya amfani dashi don maganin taki, abrasives da kayan aiki, fiber gilashi da sauran masana'antu.
02 Abubuwan da ke shafar ingancin feldspar
Na farko shine sinadari mai iya rini, kamar Fe, Ti, V, Cr, Mn, Cu, da sauransu.
A ƙarƙashin yanayi na al'ada, Fe da Ti sune manyan abubuwan rini, sauran abubuwan abun ciki suna da ƙanƙanta, matakin fari yana da ɗan tasiri.
Kashi na biyu shine ma'adanai masu duhu, irin su 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 mai girma akan ingancin feldspar concentrate. Nau'in na uku shine kwayoyin carbon da aka ajiye tare da shi. feldspar, wanda ke ba da ma'adinin launin toka-baki mai launin toka.A mafi yawan lokuta, carbon carbon yana da sauƙi a cire shi a babban zafin jiki, kuma fari yana da ɗan tasiri. kuma saman samfurin zai bayyana baƙar fata, abun da ke cikin calcium ya yi yawa, saman samfurin bai dace ba, don haka don inganta ingancin ma'adinan dutse mai tsawo, aikace-aikacen dutse mai tsayi, abun ciki na ma'adanai masu duhu da kuma abubuwan da ke cikin duhu. dole ne a rage yawan calcium, musamman kawar da baƙin ƙarfe oxide.
Kasancewar baƙin ƙarfe a cikin feldspar galibi yana da nau'o'i masu zuwa: 1. Yawanci monomer ko jimlar hematite, magnetite da limonite tare da girman barbashi> 0.1mm. Yana da siffar zobe, allura-kamar, flakelike ko rashin daidaituwa, sosai tarwatsawa a cikin ma'adanai na feldspar kuma mai sauƙin cirewa.Na biyu, saman feldspar yana gurɓata da baƙin ƙarfe oxide a cikin nau'i na seepage, ko tare da fasa, ma'adanai da cleavage gidajen abinci na feldspar. Rarraba shigar azzakari cikin farji, da baƙin ƙarfe oxide kafa ta baƙin ƙarfe rini ƙwarai qara wahala daga baƙin ƙarfe cire. Na uku, shi ya wanzu a cikin nau'i na baƙin ƙarfe gangue ma'adanai, irin su biotite, limonite, pyrite, ferrotitanium ore, amphibole, epidote da sauransu.
03 Hanyoyin fa'ida da ake amfani da su na feldspar tama
A halin yanzu, babban tsari kwarara na gida feldspar tama tsarkakewa ne kullum "murkushe - nika rarrabuwa - Magnetic rabuwa - flotation", bisa ga daban-daban feldspar ma'adinai najasa abun ciki da gangue ma'adinai hade halaye, da hannu rabuwa, desudging, rarrabuwa da sauran ayyuka.
(1) murƙushewa da niƙa
An raba murkushe feldspar zuwa murkushewa mara kyau da murkushewa mai kyau. Yawancin ores dole ne su shiga cikin matakai guda biyu na murkushewa mai laushi da lafiya mai kyau. Murkushe mafi yawan muƙamuƙi, murkushe kayan aiki galibi tasiri nau'in crusher, nau'in guduma, nau'in murƙushewa, da dai sauransu.
An raba niƙan feldspar zuwa busasshen niƙa da rigar niƙa.
Ingantacciyar niƙan rigar ya fi girma fiye da busassun niƙa, kuma sabon abu na "over-nika" ba abu ne mai sauƙi ba. da dai sauransu.
(2) Wanka da gogewa
Feldspar tama a cikin aiwatar da samuwar fiye ko žasa zai ƙunshi wani adadin slime. Wankewa yafi don cire ƙazanta kamar yumbu, laka mai kyau da mica a cikin feldspar. Wankewa zai iya rage abun ciki na Fe.2O3a cikin ma'adinai, da kuma inganta abun ciki na K2O dan Na2O.Ore wanke shi ne don rabu da m-grained ma'adanai a karkashin mataki na ruwa kwarara ta hanyar yin amfani da halaye na kananan barbashi size da jinkirin settling gudun yumbu, lafiya laka da mica.The fiye amfani da tama wanka kayan aiki ne scrubbing inji, allon jijjiga da tankin wanki.
Babban manufar kawar da laka shine a cire ma'adinan asali daga ma'adinan da kuma ma'adinan sakandare na tsakiyar aji na karya tsarin nika, da kuma hana tasirin zaɓin foda na gaba. Kayan aikin da aka saba amfani da shi yana da cyclone na ruwa, mai rarrabawa, centrifuge da depuff.
(3) Magnetic rabuwa
Yin amfani da bambanci na Magnetic tsakanin Ores na baƙin ƙarfe a ƙarƙashin aikin filin Magnetic na waje ana kiranta magnetic filin magnetic.feldspar ba magnetmic, amma fe2O3da mica a cikin feldspar suna da raunin maganadisu, don haka a ƙarƙashin yanayin ƙarfafa filin maganadisu na waje, Fe2O3, mica da feldspar za a iya raba su. A halin yanzu, kayan aikin magnetic da aka saba amfani da su a cikin Sin musamman sun haɗa da mai raba ƙasa mai nadi mai ƙarfi na Magnetic, drum magnet drum. Magnetic SEPARATOR, rigar Magnetic farantin Magnetic SEPARATOR, tsaye zobe high gradient Magnetic SEPARATOR, electromagnetic slurry high gradient Magnetic SEPARATOR da superconducting high tsanani Magnetic SEPARATOR.
(4) ruwa
Hanyar ruwa tana nufin ƙari wakili mai daidaitawa, mai tarawa, mai yin kumfa da sauran wakilai a cikin ɓangarorin ɗanyen kayan marmari, ta yadda ƙazantar baƙin ƙarfe manne da kumfa, ta yadda shi da ɓangaren litattafan almara, sa'an nan kuma injin goge baki, don haka. da baƙin ƙarfe ƙazanta da albarkatun kasa lafiya foda rabuwa.Flotation ne mai tasiri hanyar cire datti na feldspar. A gefe guda, yana iya cire ƙazanta irin su baƙin ƙarfe da mica, kuma a gefe guda, yana iya ƙara yawan abun ciki na potassium da sodium. Lokacin da ma'adinan ya bambanta, zaɓin wakilin kama ya bambanta, amma tsarin juyawa na baya. za a iya karba.
Lokacin aikawa: Fabrairu-01-2021