Kaolin yana da tarin ma'adanai a ƙasata, kuma an tabbatar da cewa ma'adinan ƙasa sun kai tan biliyan 3, galibi ana rarraba su a Guangdong, Guangxi, Jiangxi, Fujian, Jiangsu da sauran wurare. Saboda dalilai daban-daban na samuwar ƙasa, tsarin kaolin daga wurare daban-daban na samarwa suma sun bambanta. Kaolin silicate ne mai layi 1: 1, wanda ya ƙunshi octahedron da tetrahedron. Babban abubuwan da ke cikinsa sune SiO2 da Al203. Hakanan yana ɗauke da ƙaramin adadin Fe203, Ti02, MgO, CaO, K2O da Na2O, da sauransu. Kaolin yana da kyawawan halaye na zahiri da na sinadarai da halayen sarrafawa, don haka ana amfani da shi sosai a fannin sinadarai na petrochemicals, yin takarda, kayan aiki, shafa, yumbu, kayan da ba sa jure ruwa, da sauransu. Tare da ci gaban kimiyya da fasaha na zamani, sabbin amfani da kaolin suna ci gaba da faɗaɗawa, kuma suna fara shiga cikin manyan filayen da suka dace, daidai kuma na zamani. Ma'adinin Kaolin yana ɗauke da ƙaramin adadin (yawanci 0.5% zuwa 3%) na ma'adanai na ƙarfe (iron oxides, ilmenite, siderite, pyrite, mica, tourmaline, da sauransu), waɗanda ke canza launin kaolin kuma suna shafar sintering ɗinsa Fari da sauran kaddarorin suna iyakance amfani da kaolin. Saboda haka, nazarin abubuwan da ke cikin kaolin da binciken fasahar cire ƙazanta suna da mahimmanci musamman. Waɗannan ƙazanta masu launi galibi suna da raunin halayen maganadisu kuma ana iya cire su ta hanyar rabuwar maganadisu. Rabuwar maganadisu hanya ce ta raba ƙwayoyin ma'adinai a cikin filin maganadisu ta amfani da bambancin maganadisu na ma'adanai. Ga ma'adanai masu rauni na maganadisu, ana buƙatar filin maganadisu mai ƙarfi mai girma don rabuwar maganadisu.
Tsarin da kuma ka'idar aiki na HTDZ high gradient slurry magnetic separator
1.1 Tsarin mai raba maganadisu mai girman digiri na lantarki
Injin ya ƙunshi firam, na'urar motsa jiki mai sanyaya mai, tsarin maganadisu, hanyar rabuwa, tsarin sanyaya na'ura, tsarin fitar da ruwa, tsarin shigar da ma'adinai da fitar da ruwa, tsarin sarrafawa, da sauransu.
Siffa ta 1 Tsarin zane na mai raba maganadisu mai tsayi don slurry na lantarki
1- Na'urar motsa jiki 2- Tsarin maganadisu 3- Matsakaici mai rabawa 4- Bawul ɗin numfashi 5- Bututun fitar da pulp
Bututun fitarwa mai hawa 6, bututun fitarwa mai hawa 7, bututun fitarwa mai hawa 8
1.2 Halayen fasaha na mai raba maganadisu mai girman gradient na HTDZ electromagnetic slurry
◎Fasahar sanyaya mai: Ana amfani da man sanyaya da aka rufe sosai don sanyaya, ana yin musayar zafi ta amfani da ƙa'idar musayar zafi tsakanin mai da ruwa, kuma ana amfani da famfon mai na'urar canza mai mai girman faifan faifan. Man sanyaya yana da saurin zagayawa cikin sauri, ƙarfin musayar zafi mai ƙarfi, ƙarancin zafin coil, da ƙarfin filin maganadisu mai yawa.
◎Fasahar gyarawa ta yanzu da fasahar daidaita ta yanzu: Ta hanyar tsarin gyarawa, ana samun fitowar wutar lantarki mai karko, kuma ana daidaita wutar lantarki bisa ga halayen kayan aiki daban-daban don tabbatar da ƙarfin filin maganadisu mai karko da kuma cimma mafi kyawun ma'aunin beneficiation.
◎Fasahar maganadisu mai ƙarfi mai girman gaske wacce ke da babban rami mai sulke: Yi amfani da sulken ƙarfe don naɗe murfi mai rami, tsara tsarin da'irar maganadisu mai dacewa, rage cikar sulken ƙarfe, rage zubar da ruwa mai maganadisu, da kuma samar da ƙarfin filin da ya dace a cikin ramin rarrabawa.
◎Fasahar raba abubuwa uku mai ƙarfi-ruwa-gas: Kayan da ke cikin ɗakin rabuwar yana fuskantar tururi, nauyi, da ƙarfin maganadisu don cimma ingantaccen tasirin beneficiation a ƙarƙashin yanayi mai kyau. Haɗin ruwan saukar da kaya da matsin iska mai yawa yana sa matsakaicin flushing ya zama mai tsabta.
◎Sabuwar fasahar fasahar maganadisu mai kama da bakin karfe mai kama da na maganadisu: hanyar rarrabawa tana ɗaukar ulu na ƙarfe, raga mai siffar lu'u-lu'u, ko haɗin ulu na ƙarfe da raga mai siffar lu'u-lu'u. Wannan hanyar ta haɗa halayen kayan aiki, da bincike da haɓaka ƙarfe mai jure lalacewa mai ƙarfi, wanda ba ya jure wa lalacewa. Tsarin shigar da filin maganadisu yana da girma, yana da sauƙin kama ma'adanai masu rauni na maganadisu, ƙarfinsa ƙarami ne, kuma matsakaiciyar tana da sauƙin wankewa lokacin da aka fitar da ma'adinan.
1.3 Nazarin ƙa'idodin kayan aiki da nazarin rarraba filin maganadisu
1.3.1Ka'idar rarrabuwa ita ce: A cikin na'urar sulke, ana sanya wani adadin ulu na bakin ƙarfe mai aiki da maganadisu (ko ƙarfe mai faɗaɗa). Bayan na'urar ta yi aiki, ana haɗa ulu na bakin ƙarfe mai aiki da maganadisu, kuma ana samar da filin maganadisu mara daidaituwa a saman, wato filin maganadisu mai aiki da maganadisu mai girma, lokacin da kayan paramagnetic suka ratsa ta ulu na ƙarfe a cikin tankin rarrabuwa, zai sami ƙarfin filin maganadisu wanda ya yi daidai da samfurin filin maganadisu da aka yi amfani da shi da kuma matakin filin maganadisu, kuma za a shaƙe shi a saman ulu na ƙarfe, maimakon kayan da ba su da maganadisu da ke wucewa filin maganadisu kai tsaye. Yana gudana cikin tankin samfurin da ba su da maganadisu ta hanyar bawul da bututun da ba su da maganadisu. Lokacin da kayan maganadisu masu rauni da ulu na ƙarfe ya tattara ya kai wani mataki (wanda aka ƙayyade bisa ga buƙatun tsari), a daina ciyar da ma'adinan. Cire haɗin wutar lantarki mai motsawa kuma a zubar da abubuwan maganadisu. Abubuwan maganadisu suna gudana cikin tankin samfurin maganadisu ta hanyar bawul ɗin maganadisu da bututun. Sannan a yi aikin gida na biyu, kuma a maimaita wannan zagayen.
1.3.2Binciken rarraba filin maganadisu: Yi amfani da software na ƙayyadadden tsari don yin kwaikwayon taswirar girgijen magnetic da sauri, rage zagayowar ƙira da bincike; ɗaukar ingantaccen tsari don rage amfani da wutar lantarki na kayan aiki da rage farashin mai amfani; gano matsaloli masu yuwuwa kafin ƙera samfura, Ƙara amincin samfura da ayyuka; kwaikwayon tsare-tsaren gwaji daban-daban, rage lokacin gwaji da kashe kuɗi;
Halayen motsin ma'adinai
2.1 Nazarin motsin abu
Mai raba maganadisu mai girman HTDZ ya dace da ƙarancin ciyarwa lokacin rarraba kaolin. Kayan aikin suna ɗaukar ulu mai laushi da yawa (ko ƙarfe mai faɗaɗa) a matsayin hanyar rarrabawa, don haka hanyar da ƙwayoyin ma'adinai ke bi ba ta dace ba a cikin kwatancen tsaye da kwance. Motsin lanƙwasa na ƙwayoyin ma'adinai an nuna shi a Hoto na 1. Saboda haka, tsawaita lokacin aiki da nisan ma'adanai a yankin rabuwa yana da amfani don cikar shaƙar maganadisu masu rauni. Bugu da ƙari, ƙimar kwararar slurry, nauyi da buoyancy yayin aikin rabuwa suna hulɗa da juna. Tasirin shine kiyaye ƙwayoyin ma'adinai a cikin yanayi mai sassauƙa a kowane lokaci, rage mannewa tsakanin ƙwayoyin ma'adinai, da inganta ingancin cire ƙarfe. Sami kyakkyawan tasirin rarrabawa.
Siffa ta 4 Zane-zanen tsarin motsi na ma'adinai
1. Cibiyar sadarwa ta kafofin watsa labarai 2. Ƙwayoyin maganadisu 3. Ƙwayoyin da ba su da maganadisu.
2. Yanayin ma'adinan danye da kuma tsarin asali na beneficiation
2.1 Abubuwan da ke cikin wani ma'adinan kaolin a Guangdong:
Ma'adanai na gangue na kaolin a wani yanki a Guangdong sun haɗa da quartz, muscovite, biotite da feldspar, da ƙaramin adadin ja da limonite. Quartz galibi ana wadatar da shi da girman +0.057mm na hatsi, abubuwan da ke cikin mica da feldspar suna wadatar da su a girman hatsi na tsakiya (0.02-0.6mm), kuma abubuwan da ke cikin kaolinite da ƙaramin adadin ma'adanai masu duhu suna ƙaruwa a hankali yayin da girman hatsi ke raguwa. , Kaolinite yana fara wadatarwa a -0.057mm, kuma a bayyane yake yana wadatar da shi a girman -0.020mm.
Tebur 1 Sakamakon nazarin abubuwa da yawa na kaolin ma'adinai%
2.2 Babban sharuɗɗan fa'ida da suka shafi binciken gwaji na ƙananan samfura
Manyan abubuwan da ke shafar tsarin rabuwar maganadisu na mai raba maganadisu mai girman gradient HTDZ sune ƙimar kwararar slurry, ƙarfin filin maganadisu na bango, da sauransu. An gwada manyan yanayi biyu masu zuwa a cikin wannan binciken gwaji.
2.2.1 Yawan kwararar ruwa: Idan yawan kwararar ruwa ya yi yawa, yawan kwararar ruwa ya yi yawa, kuma yawan baƙin ƙarfen da ke cikinsa shi ma yana da yawa; idan yawan kwararar ruwa ya yi ƙasa, yawan baƙin ƙarfen da ke cikinsa ya yi ƙasa, kuma yawan amfanin sa ma ya yi ƙasa. Bayanan gwaji an nuna su a cikin Jadawali na 2
Tebur 2 Sakamakon gwaji na ƙimar kwararar ruwa
Lura: Ana yin gwajin kwararar ruwa a ƙarƙashin yanayin filin maganadisu na baya na 1.25T da kuma maganin watsawa na 0.25%.
Hoto na 5: Daidaito tsakanin kwararar ruwa da Fe2O3
Siffa ta 6 Daidaita tsakanin saurin kwarara da fari busasshe.
Idan aka yi la'akari da farashin beneficiation gaba ɗaya, ya kamata a sarrafa ƙimar kwararar slurry a 12mm/s.
2.2.2 Filin maganadisu na bango: Ƙarfin filin maganadisu na bango na mai raba maganadisu na slurry ya yi daidai da dokar cire ƙarfe na rabuwar maganadisu na kaolin, wato, lokacin da ƙarfin filin maganadisu ya yi yawa, yawan tattarawa da abun da ke cikin ƙarfe na mai raba maganadisu duka suna da ƙasa, kuma ƙimar cire ƙarfe yana da ƙasa kaɗan. Babban tasiri mai kyau na cire ƙarfe.
Tebur 3 Sakamakon gwaji na filin maganadisu na bango
Lura: Ana yin gwajin filin maganadisu na bango a ƙarƙashin yanayin kwararar ruwa na 12mm/s da kuma maganin watsawa na 0.25%.
Saboda girman ƙarfin filin maganadisu na bango, girman ƙarfin motsawa, yawan amfani da makamashin kayan aiki, da kuma yawan kuɗin samar da na'urar. Idan aka yi la'akari da farashin beneficiation, an saita filin maganadisu na bango da aka zaɓa a 1.25T.
Hoto na 7: Daidaitawa tsakanin ƙarfin filin maganadisu da abun ciki na Fe2O3.
2.3 Zaɓin tsari na asali na rabuwar maganadisu
Babban manufar amfani da ma'adinan kaolin shine cire ƙarfe da tsarkakewa. Dangane da bambancin maganadisu na kowane ma'adinai, amfani da filin maganadisu mai girman gradient don cire ƙarfe da tsarkake kaolin yana da tasiri, kuma tsarin yana da sauƙi kuma mai sauƙin aiwatarwa a masana'antu. Saboda haka, ana amfani da mai raba maganadisu mai girman gradient slurry, ɗaya mai kauri da ɗaya mai kyau, azaman tsarin rarrabawa.
Samar da masana'antu
3.1 Tsarin samar da masana'antu na Kaolin
Don cire ƙarfe daga ma'adinan kaolin a wani yanki a Guangdong, ana amfani da haɗin jerin HTDZ-1000 don samar da tsari mai kauri da laushi na rabuwar maganadisu. An nuna jadawalin kwararar a Hoto na 2.
3.2 Yanayin samar da masana'antu
3.2.1Rarraba kayan aiki: babban dalili: 1. Raba ƙazanta kamar quartz, feldspar da mica a cikin kaolin a gaba ta hanyar guguwa mai matakai biyu, rage matsin lamba na kayan aiki na gaba, kuma rarraba girman barbashi don biyan buƙatun kayan aiki na gaba. 2. Tunda hanyar rabuwa ta slurry magnetic rabe shine ulu na ƙarfe 3#, girman barbashi dole ne ya kasance ƙasa da raga 250 don tabbatar da cewa babu barbashi da suka rage a cikin hanyar ulu na ƙarfe don hana matsakaicin ulu na ƙarfe toshe hanyar ulu ta ƙarfe, yana shafar ma'aunin beneficiation da matsakaicin wankewa Da kuma ƙarfin sarrafawa na kayan aiki, da sauransu.
3.2.2Yanayin aiki na rabuwar maganadisu: tsarin tafiyar yana ɗaukar gwaji mai kauri ɗaya da kuma tsari mai kyau ɗaya da kuma tsari mai kauri ɗaya da kuma tsari mai kyau ɗaya na buɗewa. Dangane da gwajin samfurin, ƙarfin filin bango na mai raba maganadisu mai girman digiri don aikin roughing shine 0.7T, mai raba maganadisu mai girman digiri don aikin zaɓi shine 1.25T, kuma ana amfani da mai raba maganadisu na HTDZ-1000 don roughing slurry. An haɗa shi da mai raba maganadisu na HTDZ-1000 da aka zaɓa.
3.3 Sakamakon samar da masana'antu
Ana nuna samfurin kek ɗin samfurin da aka samar ta hanyar mai raba magnetic mai girman gaske na HTDZ slurry a cikin Hoto na 3, kuma an nuna bayanan a cikin Tebur na 2.
Kek na 1: Kek ɗin samfurin ma'adinai ne wanda ke shiga cikin mai raba slurry mai kauri
Pie 2: Kek ɗin da aka zaɓa kusan
Pie 3, Pie 4, Pie 5: Zaɓaɓɓun samfura
Tebur na 2 Sakamakon samar da masana'antu (sakamakon ɗaukar samfur da kuma karya kek da ƙarfe 20:30 na rana a ranar 6 ga Nuwamba)
Hoto na 3: Samfurin kek da kaolin ya samar a wani wuri a Guangdong
Sakamakon samarwa ya nuna cewa za a iya rage yawan sinadarin Fe2O3 da ke cikin sinadarin da ke cikinsa da kusan kashi 50% ta hanyar raba sinadarin magnetic guda biyu masu girman gaske, kuma ana iya samun kyakkyawan tasirin cire ƙarfe.
应用案例
Lokacin Saƙo: Maris-27-2021