Saw laka ita ce cakuda fodar dutse da ruwa da ake samarwa a lokacin da ake yankewa da gogewar marmara da granite, yankuna da yawa a arewacin kasarmu suna da muhimman wuraren sarrafa duwatsu, kuma ana samar da laka mai yawa a duk shekara, kuma ana tattara ta. sama da babban yanki na albarkatun ƙasa. Dutsen dutse yana da laushi mai laushi kuma yana da wuya a zubar da shi.Yana da sauƙi a tashi a sararin sama cikin iska mai ƙarfi, kuma yana gudana cikin kogin da ruwan sama a cikin kwanakin damina, yana haifar da mummunar gurɓataccen muhalli.
Babban ma'adinan gangue a cikin laka sun hada da feldspar, ma'adini, calcite, dolomite, amphibole, da dai sauransu. Babban ma'adinan ƙarfe da ƙazanta sun haɗa da silicate na ƙarfe kamar ƙarfe na ƙarfe, magnetite, iron oxide, pyrite, da biotite.At now, da m amfani. Hanyar ganin laka ta musamman don samar da bulo mai ƙura da kankare da yin albarkatun yumbu bayan cire ƙazanta.Na farko yana da babban ƙarfin sarrafawa kuma na ƙarshe yana da fa'idodin tattalin arziƙi.
Binciken fa'ida
A cikin wannan labarin, da m amfani da beneficiation gwajin bincike ne da za'ayi ga wakilin ga laka a Jining area.The muhimmanci ma'adanai a cikin saw laka ne feldspar, inji baƙin ƙarfe, Magnetic baƙin ƙarfe, da dai sauransu, da kuma cutarwa ƙazanta ne limonite, biotite, muscovite, calcite, dolomite, hornblende, da dai sauransu. Girman kayan ba daidai ba ne, ƙananan ƙwayoyin cuta sun kasance daga 1-4mm da wasu -0.037mm laka mai kyau. Daga cikin su, ƙarfe na inji da aka samar a lokacin aiki da kuma Magnetic baƙin ƙarfe a cikin raw. Ana iya raba tama ta hanyar maganadisu zuwa samfuran tattara ƙarfe.Bayan rarrabuwar maganadisu mai ƙarfi, ana iya cire ƙazanta masu ɗauke da ƙarfe kamar limonite, biotite, da amphibole.Abubuwan da aka tattara na dutse, kowane sashe na wutsiyar maganadisu za a iya amfani da su azaman bulo mai ƙyalli ko kayan siminti, don cimma manufar cikakken amfani.
1.Ƙaddamar da kwararar tsari
Haɗa kaddarorin samfurin sawdust don tantance tsarin fa'ida: ana siyar da ɗanyen tama ta hanyar ƙwanƙwasa 30-+ 30 ragar hatsin hatsi zuwa -30 raga.
---30 raga gauraye samfurin baƙin ƙarfe rabuwa ta drum Magnetic SEPARATOR + lebur farantin + a tsaye zobe + a tsaye zobe mai ƙarfi Magnetic cire baƙin ƙarfe - da hankali an classified zuwa +300 raga matsakaici-hatsi feldspar kayayyakin tattara da kuma -300 raga lafiya laka--Ana amfani da sludge mai kyau don cire baƙin ƙarfe sau biyu ta hanyar slurry na lantarki don samun samfurin mai da hankali mai kyau na foda.
2.Gwajin rabuwa da danyen tama
An watse danyen tama da raga 30, kuma an nuna sakamakon bincike a cikin Tebur 1.
Tebur 1. Sakamakon Amfani da Gwajin Nunawa
Niƙa da m-grained tama tare da yawan amfanin ƙasa na 17.35% to -30 raga, Mix tare da samfurin a karkashin sieve, da kuma shiga cikin al'ada Magnetic rabuwa tsari na drum Magnetic SEPARATOR + lebur farantin + a tsaye zobe + tsaye zobe.Ana nuna kwararar tsari a cikin Hoto 1, kuma ana nuna sakamakon gwajin a cikin Tebur 2.
Hoto 1. Tsarin tsari na gwajin rabuwa na magnetic na al'ada na albarkatun kasa.
Tebur 2. Sakamako na al'ada Magnetic rabuwa gwajin
Ana duba danyen tama + niƙa tama + cire ƙarfe na ƙarfe sau uku tsarin gwaji na al'ada, kuma ana iya samun samfuran matsakaici da ƙananan ƙarshen tare da yawan amfanin ƙasa na 92.57%, abun ciki na Fe2O3 na 0.525% da fari na 36.15%. Ya kamata a yi la'akari da shi don tsarkake ƙwayar ƙarfe mai laushi da silicate na baƙin ƙarfe a cikin laka mai kyau tare da matsakaici mai kyau, babban filin lantarki na slurry bayan rarrabuwa.
3. Cire baƙin ƙarfe daga laka mai kyau
Matsakaicin na biyu na Lihuan ana fitar da shi ne daga sludge mai kyau da ke ƙasa -300 ta hanyar ambaliya, kuma ana amfani da tsarin cire ƙarfe sau biyu ta na'urar slurry na lantarki don samun samfurin tattara foda mai kyau.Ana nuna kwararar tsari a cikin Hoto na 2, kuma ana nuna sakamakon gwajin a cikin Tebur 3.
Hoto 2. Tsarin tafiyar da gwajin cirewar ƙarfe mai kyau na laka
Tebur 3. Ƙarfin kawar da ƙarfe na laka mai kyau
Bayan da aka kididdige yawan adadin Lihuan, farin matsakaicin matsakaicin hatsi na +300 feldspar ya karu daga 36.15% zuwa 56.49%, kuma farin laka mai kyau ya ragu zuwa 23.07%.-300 raga mai kyau sludge aka cire daga baƙin ƙarfe sau biyu ta hanyar electromagnetic slurry, da yumbu-sa lafiya foda samfurin tare da yawan amfanin ƙasa na 42.31% da fari na 41.80% za a iya samu.
3.Duk gwajin tsari
Cikakken yanayin gwaji da alamomi don yin duk gwajin tsari.
Hoto 3. Dukan tsari na sawing laka gwajin tsari
Teburin 4. Gwajin gwajin ga dukkan tsari
Abin da aka makala: Biscuits zazzabi 1200 ℃
Saw laka tama an sieved + ƙasa + rauni Magnetic rabuwa + lebur farantin + a tsaye zobe + a tsaye zobe + grading electromagnetic slurry Magnetic rabuwa tsari don samun baƙin ƙarfe tama tare da yawan amfanin ƙasa na 0.32% da TFe sa na 62.35%.Tare da yawan amfanin ƙasa na 38.56% da fari na 54.69% na matsakaicin hatsi yumbu sa feldspar mai da hankali kayayyakin da yawan amfanin ƙasa na 42.31% na fari na 41.80% lafiya foda yumbu sa hankali kayayyakin;Jimlar yawan amfanin ƙasa na wutsiyar maganadisu shine 18.81%, Za'a iya amfani da shi azaman albarkatun ƙasa don bulogi mai iska.
Wannan tsarin fasaha yana ba da damar cikakken amfani da wutsiyar laka, kuma yana iya samun fa'idodin tattalin arziki mafi girma da mahimmancin kare muhalli na zamantakewa.
Lokacin aikawa: Maris-04-2021