Kaolin ine nzvimbo dzakawanda dzakachengetwa munyika yangu, uye nzvimbo dzakaratidzwa dze geological reserves dzinenge mabhiriyoni matatu ematani, anonyanya kugoverwa muGuangdong, Guangxi, Jiangxi, Fujian, Jiangsu nedzimwe nzvimbo.Nekuda kwezvikonzero zvakasiyana zvekuumbwa kwe geological, kuumbwa uye kuumbwa kwekaolin kubva munzvimbo dzakasiyana dzekugadzira kwakasiyanawo.Kaolin imhando ye1: 1 yakaturikidzana silicate, iyo inoumbwa neoctahedron uye tetrahedron.Izvo zvikamu zvikuru zveSiO2 uye Al203.Iinewo zvishoma zveFe203, Ti02, MgO, CaO, K2O uye Na2O, nezvimwewo.Kaolin ine zvakawanda zvakanakisa zvemuviri uye makemikari ehupfumi uye maitiro maitiro, saka inoshandiswa zvakanyanya mupetrochemicals, kugadzira mapepa, mashandiro emidziyo, machira, ceramics, zvinhu zvisingapinde mvura, nezvimwewo. Nekufambira mberi kwesainzi uye tekinoroji, kushandiswa kutsva kwekaolin. vari kuramba vachiwedzera, uye vari kutanga kupinda muminda yakakwirira, chaiyo uye yekucheka-kumucheto.Kaolin ore ine zvishoma (kazhinji 0.5% kusvika 3%) yemaminerari esimbi (iron oxides, ilmenite, siderite, pyrite, mica, tourmaline, nezvimwewo), iyo inopenya kaolin uye inokanganisa kuchena kwayo uye zvimwe zvimiro zvinomisa application. of kaolin.Nokudaro, kuongororwa kwekuumbwa kwekaolin uye tsvakurudzo pamusoro pe teknolojia yekubvisa tsvina inonyanya kukosha.Aya tsvina ane mavara anowanzo kuve asina simba remagineti uye anogona kubviswa nekuparadzaniswa kwemagineti.Magnetic separation inzira yekuparadzanisa mamineral particles mundima yemagineti nekushandisa magineti musiyano wemaminerari.Kune isina simba remagineti zvicherwa, yakakwirira-gradient yakasimba remagineti inodiwa pakuparadzaniswa kwemagineti.
Chimiro uye nheyo yekushanda yeHTDZ yakakwira gradient slurry magineti separator
1.1 Chimiro cheiyo electromagnetic slurry yakakwira gradient magineti separator
Muchina uyu unonyanya kuumbwa nefuremu, oiri-yakatonhorera excitation coil, magineti system, kupatsanura svikiro, coil kutonhora system, flushing system, ore inlet uye discharge system, control system, nezvimwe.
Mufananidzo 1 Chimiro dhayagiramu yeakakwira gradient magineti separator ye electromagnetic slurry
1- Excitation coil 2- Magnetic system 3- Kuparadzanisa zvepakati 4- Pneumatic valve 5- Pulp outlet pombi
6-Escalator 7-Inlet pombi 8-Slag yekuburitsa pombi
1.2 Hunhu hwehunyanzvi hweHTDZ electromagnetic slurry yakakwira gradient magineti separator
◎Oiri kutonhora tekinoroji: Mafuta anotonhorera akavharidzirwa zvakakwana anoshandiswa kutonhora, kupisa kwekushisa kunoitwa uchishandisa musimboti wemafuta-mvura kupisa kuchinjanisa, uye yakakura-inoyerera disc transformer pombi yemafuta inogamuchirwa.Mafuta ekutonhodza ane kukurumidza kutenderera kutenderera, simba rekuchinjana kupisa, yakaderera coil tembiricha inokwira, uye yakakwirira magineti simba.
◎Ikozvino kugadzirisa uye ikozvino kudzikamisa tekinoroji: Kuburikidza neiyo rectifier module, yakagadzikana yazvino kubuda inoitika, uye iyo yekuwedzeredza ikozvino inogadziriswa zvinoenderana nehunhu hwezvinhu zvakasiyana kuti ive nechokwadi chekugadzikana kwesimba remagineti uye kuwana yakanakisa beficiation index.
◎Hombe mhango yakashongedzerwa yakakwirira-inoshanda yemuviri magineti tekinoroji: Shandisa nhumbi dzesimbi kuputira coil isina mhango, gadzira inonzwisisika yemagetsi magineti wedunhu chimiro, kuderedza kuzara kwesimbi yezvombo, kuderedza magineti flux kuvuza, uye kuumba yakakwira munda simba mugomba rekurongedza.
◎Solid-liquid-gasi matatu-phase yekuparadzanisa tekinoroji: Zvinhu zviri mukamuri yekuparadzana zvinoiswa pasi pe buoyancy, giravhiti, uye simba remagineti kuti riwane kubatsirikana kwakaringana pasi pemamiriro akakodzera.Kusanganiswa kwemvura yekuburutsa uye high air pressure inoita kuti medium flushing cleane.
◎Nyowani spiky Stainless magineti conductive uye magineti zvinhu tekinoroji: iyo yekuronga yepakati inotora simbi yeshinda, dhaimondi-yakaita midhiya mesh, kana musanganiswa wesimbi wemvere uye dhaimondi-yakaita sedhaimani media mesh.Iyi svikiro inosanganisa hunhu hwemidziyo, uye kutsvagisa uye kusimudzira kwekupfeka-inodzivirira yakakwira-permeability simbi isina tsvina, Iyo magineti induction gradient yakakura, zviri nyore kubata isina simba remagineti, remanence idiki, uye yepakati nyore kugeza kana simbi yaraswa.
1.3 Equipment nheyo yekuongorora uye magnetic field distribution distribution
1.3.1Nheyo yekuronga ndeye: Mune coil yakashongedzwa, imwe huwandu hwemagineti conductive simbi isina simbi (kana yakawedzera simbi) inoiswa.Mushure mekunge coil yafara, iyo magineti inoitisa simbi isina simbi yemvere dzemagineti, uye yakanyanya kusaenzana magineti inogadzirwa pamusoro, iyo inonzi High-gradient magnetizing magnetic field, kana iyo paramagnetic inopfuura nepakati pesimbi yeshinda mutangi yekurongedza, iyo inogashira simba remagineti rakaenzana nechigadzirwa cheiyo rakaiswa magineti uye iyo magineti gradient, uye ichave yakashongedzwa pamusoro pesimbi yemvere dzemakwai, panzvimbo peiyo isiri-magineti inopfuudza iyo magineti zvakananga.Inoyerera ichipinda mune isiri-magineti yechigadzirwa tangi kuburikidza neiyo isiri-magnetic valve uye pombi.Kana iyo isina simba remagineti yakaunganidzwa nesimbi yemvere inosvika pane imwe nhanho (yakatemerwa nemaitiro ekuita), rega kudyisa ore.Bvisa simba rekusimudzira uye bvisa magineti zvinhu.Izvo magineti zvinhu zvinoyerera zvichipinda mune magineti chigadzirwa tangi kuburikidza nemagineti valve uye pombi.Zvadaro ita basa rechipiri rechikoro, uye dzokorora kutenderera uku.
1.3.2Magnetic field distribution analysis: Shandisa advanced finite element software kukurumidza kutevedzera iyo magineti yekugovera gore mepu, kupfupisa kutenderera kwekugadzira uye kuongorora;tora dhizaini yakagadziridzwa kuderedza mashandisirwo emagetsi emidziyo uye kuderedza mutengo wemushandisi;tsvaga matambudziko anogona kuitika pamberi pekugadzirwa kwechigadzirwa, Wedzera kuvimbika kwezvigadzirwa nemapurojekiti;tevedzera zvirongwa zvakasiyana-siyana zvekuedza, kuderedza nguva yekuedza uye mari;
Mineral kufamba maitiro
2.1 Kuongorora kwekufamba kwezvinhu
Iyo HTDZ yakakwirira gradient magineti separator inokodzera yepasi yekudyisa paunenge uchirongedza kaolin.Midziyo yacho inotora akawanda-layer simbi isina simbi (kana yakawedzera simbi) seyepakati yekuronga, kuitira kuti trajectory yezvimedu zveore irege kurongeka munzira yakatwasuka uye yakachinjika.Iko kutenderera kwekufamba kwemamineral particles kunoratidzwa muMufananidzo 1. Nokudaro, kuwedzera nguva yekumhanya uye kureba kwemaminerari munzvimbo yekuparadzanisa kunobatsira pakushambadza kwakazara kwemagineti asina simba.Mukuwedzera, iyo slurry flow rate, giravhiti uye buoyancy panguva yekuparadzanisa inopindirana.Mhedzisiro ndeyekuchengeta zvimedu zveore munzvimbo yakasununguka nguva dzese, kuderedza kunamatira pakati pezvimedu zveore, nekuvandudza kushanda kwekubvisa simbi.Wana yakanaka yekuronga maitiro.
Mufananidzo 4 Schematic diagram yemamineral movement
1. Media network 2. Magnetic particles 3. Non-magnetic particles.
2. Chimiro chesimbi yakasvibirira uye maitiro ekutanga ekubatsira
2.1 Zvimiro zveimwe kaolin mineral material muGuangdong:
Iwo gangue zvicherwa zvekaolin mune imwe nzvimbo muGuangdong anosanganisira quartz, muscovite, biotite uye feldspar, uye shoma shoma uye limonite.Quartz inonyanya kupfumiswa mu + 0.057mm saizi yezviyo, zviri mukati memica uye feldspar zvicherwa zvakafumiswa pakati pezviyo saizi (0.02-0.6mm), uye zviri mukati kaolinite uye shoma shoma yemaminerari yakasviba zvishoma nezvishoma inowedzera sezviyo. saizi inodzikira., Kaolinite inotanga kupfumiswa pa -0.057mm, uye zviri pachena kuti yakafumiswa pa -0.020mm saizi.
Tafura 1 Multi-element yekuongorora mhedzisiro ye kaolin ore%
2.2 Mamiriro makuru ekubatsirikana anoshanda pakuongorora kwekuyedza kwemuenzaniso mudiki
Zvinhu zvikuru zvinokanganisa kupatsanurwa kwemagineti yeHTDZ yakakwira gradient slurry magineti separator ndeye slurry kuyerera mwero, kumashure magineti simba, etc. Mamiriro maviri anotevera makuru anoedzwa muchidzidzo ichi chekuyedza.
2.2.1 Slurry flow rate: Kana kuyerera kuri kukuru, goho reconcentrate rinokwira, uye iron yaro yakakwirawo;kana chiyero chekuyerera chiri pasi, iyo concentrate iron content yakaderera, uye goho rayo zvakare rakaderera.Iyo data yekuyedza inoratidzwa muTafura 2
Tafura 2 Mibairo yekuedza ye slurry flow rate
Ongorora: Iyo slurry flow rate bvunzo inoitwa pasi pemamiriro ekumashure magineti e1.25T uye disperant dosage ye0.25%.
Mufananidzo 5 Kunyorerana pakati pekuyerera kweyero uye Fe2O3
Mufananidzo 6 Kunyorerana pakati pekuyerera velocity uye yakaoma chena.
Tichifunga nezve mutengo wekubatsirikana wakazara, slurry kuyerera mwero unofanirwa kudzorwa pa12mm/s.
2.2.2 Background remagineti: Iyo yekumashure magineti intensity ye slurry magineti separator inopindirana nemutemo we iron yekubvisa index ye kaolin magnetic separation, kureva, kana simba remagineti rakwira, goho re concentrate uye iron yemukati iyo magnetic separator zvese zvakaderera, uye chiyero chekubvisa iron chakaderera.Yakakwirira, yakanaka mhedzisiro yekubvisa iron.
Tafura 3 Yekuedza mhedzisiro yekumashure magineti
Ongorora: Iyo yekumashure magineti bvunzo inoitwa pasi pemamiriro eiyo slurry kuyerera mwero we12mm/s uye dispersant dosage ye0.25%.
Nekuti iyo yakakwira kumashure magineti kusimba, kunowedzera simba rekukurudzira, kukwira kwesimba rekushandisa kwemidziyo, uye kukwira kwemutengo wekugadzira unit.Tichifunga nezve mutengo wekubatsira, iyo yakasarudzwa kumashure magineti inoiswa pa 1.25T.
Mufananidzo 7 Kunyorerana pakati pesimba remagineti uye Fe2O3 zvemukati.
2.3 Basic process kusarudzwa kwekuparadzaniswa kwemagineti
Chinangwa chikuru che kaolin ore beneficiation ndechokubvisa iron uye kuchenesa.Zvinoenderana nekusiyana kwemagineti yeminerari yega yega, kushandiswa kweiyo yakakwirira gradient magineti kubvisa simbi uye kuchenesa kaolin kunoshanda, uye maitiro ari nyore uye ari nyore kuita muindasitiri.Naizvozvo, yakakwira-gradient slurry magineti separator, imwe yakaoma uye imwe yakanaka, inoshandiswa senzira yekuronga.
Kugadzirwa kwemaindasitiri
3.1 Kaolin indasitiri yekugadzira maitiro
Kubvisa simbi kubva kune kaolin ore mune imwe nzvimbo muGuangdong, HTDZ-1000 akatevedzana musanganiswa unoshandiswa kugadzira yakaomesesa-yakanaka magineti yekuparadzanisa maitiro.Iyo inoyerera chati inoratidzwa muMufananidzo 2.
3.2 Mamiriro ekugadzirwa kwemaindasitiri
3.2.1Kurongeka kwezvinhu: chinangwa chikuru: 1. Zvisizvo zvakaparadzana zvakadai se quartz, feldspar uye mica mu kaolin mberi kuburikidza nedutu rematanho maviri, kuderedza kudzvinyirirwa kwezvigadzirwa zvinotevera, uye kuronga hukuru hwechidimbu kuti uwane zvinodiwa zvemichina inotevera.2. Sezvo iyo yekuparadzanisa svikiro ye slurry magnetic separator iri 3 # simbi yemvere, saizi yechidimbu inofanira kunge iri pasi pe250 mesh kuti ive nechokwadi chekuti hapana zvimedu zvinosara musimbi yemvere dzepakati kudzivirira simbi yemvere yepakati kubva pakuvharira simbi yemvere dzepakati. , inobata indexation yebeneficiation uye yepakati washing Uye kugona kugadzirisa kwemidziyo, nezvimwe.
3.2.2Mamiriro ekushanda ekuparadzanisa magnetic: kuyerera kwemaitiro kunotora imwe yakaoma uye imwe yakanaka bvunzo uye imwe yakaonda uye imwe yakanaka yakavhurika yedunhu maitiro.Zvinoenderana nemuenzaniso wekuyedza, iyo yekumashure simba remumunda weiyo yakakwira-gradient slurry magineti separator ye roughing operation ndeye 0.7T, iyo yakakwira-gradient magineti yekuparadzanisa yekusarudza basa ndeye 1.25T, uye HTDZ-1000 magineti separator ye roughing slurry inoshandiswa. .Yakashongedzerwa neHTDZ-1000 yakasarudzwa slurry magineti separator.
3.3 Mibairo yekugadzirwa kwemaindasitiri
Kugadzirwa kwemaindasitiri kwekaolin yekubvisa iron mune imwe nzvimbo muGuangdong, keke yechigadzirwa chemuenzaniso inogadzirwa neHTDZ slurry high gradient magineti separator inoratidzwa muMufananidzo 3, uye data inoratidzwa muTafura 2.
Keke 1: Ndiyo keke yakasvibirira ore inopinda mune yakaomesesa separation slurry magnetic separator.
Pie 2: Inenge yakasarudzwa sampuli pie
Pie 3, Pie 4, Pie 5: Samples dzakasarudzwa
Tafura 2 Mhedzisiro yekugadzirwa kwemaindasitiri (mhedzisiro yesampling uye kutyora makeke na20:30 munaNovember 6th)
Mufananidzo 3 Muenzaniso keke rakagadzirwa nekaolin mune imwe nzvimbo muGuangdong
Mhedzisiro yekugadzira inoratidza kuti iyo Fe2O3 yemukati meiyo concentrate inogona kuderedzwa ne50% kuburikidza maviri epamusoro-gradient magineti kuparadzaniswa kweslurry, uye yakanaka simbi yekubvisa mhedzisiro inogona kuwanikwa.
应用案例
Nguva yekutumira: Mar-27-2021