Kaolin muaj ntau cov khoom khaws cia hauv kuv lub tebchaws, thiab cov khoom khaws cia geological uas tau pov thawj yog li 3 billion tons, feem ntau faib rau hauv Guangdong, Guangxi, Jiangxi, Fujian, Jiangsu thiab lwm qhov chaw. Vim muaj ntau yam geological tsim, cov khoom sib xyaw thiab cov qauv ntawm kaolin los ntawm ntau thaj chaw tsim khoom kuj txawv. Kaolin yog 1: 1 hom layered silicate, uas yog tsim los ntawm octahedron thiab tetrahedron. Nws cov khoom tseem ceeb yog SiO2 thiab Al203. Nws kuj muaj me ntsis Fe203, Ti02, MgO, CaO, K2O thiab Na2O, thiab lwm yam khoom xyaw. Kaolin muaj ntau yam khoom zoo heev thiab cov yam ntxwv ntawm cov txheej txheem, yog li nws tau siv dav hauv petrochemicals, papermaking, cov ntaub ntawv ua haujlwm, coatings, ceramics, cov ntaub ntawv tiv taus dej, thiab lwm yam. Nrog rau kev nce qib ntawm kev tshawb fawb niaj hnub thiab thev naus laus zis, kev siv tshiab ntawm kaolin tau nthuav dav tas li, thiab lawv pib nkag mus rau hauv cov teb siab, meej thiab txiav-ntug. Kaolin ore muaj me me (feem ntau yog 0.5% txog 3%) ntawm cov hlau minerals (hlau oxides, ilmenite, siderite, pyrite, mica, tourmaline, thiab lwm yam), uas ua rau kaolin muaj xim thiab cuam tshuam rau nws qhov sintering. Whiteness thiab lwm yam khoom txwv tsis pub siv kaolin. Yog li ntawd, kev tshuaj xyuas cov khoom sib xyaw ntawm kaolin thiab kev tshawb fawb txog nws cov thev naus laus zis tshem tawm cov khoom tsis huv yog qhov tseem ceeb heev. Cov xim tsis huv no feem ntau muaj cov khoom sib nqus tsis muaj zog thiab tuaj yeem tshem tawm los ntawm kev sib cais sib nqus. Kev sib cais sib nqus yog ib txoj hauv kev los cais cov khoom hauv lub teb sib nqus los ntawm kev siv qhov sib txawv sib nqus ntawm cov zaub mov. Rau cov zaub mov sib nqus tsis muaj zog, yuav tsum muaj lub teb sib nqus muaj zog siab rau kev sib cais sib nqus.
Cov qauv thiab txoj cai ua haujlwm ntawm HTDZ siab gradient slurry magnetic separator
1.1 Cov qauv ntawm cov electromagnetic slurry siab gradient magnetic separator
Lub tshuab no feem ntau yog tsim los ntawm lub thav duab, roj-txias excitation kauj, magnetic system, sib cais nruab nrab, kauj txias system, flushing system, ore inlet thiab discharge system, tswj system, thiab lwm yam.
Daim Duab 1 Daim duab qhia txog kev sib cais sib nqus siab rau cov khoom siv electromagnetic slurry
1- Lub kauj ua kom muaj zog 2- Lub tshuab sib nqus 3- Lub tshuab sib cais 4- Lub tshuab cua 5- Lub raj xa dej tawm ntawm cov kua qaub
6-Lub Tshuab Nce Toj 7-Cov Yeeb Nkab Nkag 8-Cov Yeeb Nkab Tawm Slag
1.2 Cov yam ntxwv ntawm HTDZ electromagnetic slurry siab gradient magnetic separator
◎Kev siv tshuab ua kom txias roj: Cov roj txias uas kaw tag nrho yog siv rau kev txias, kev sib pauv cua sov yog ua tiav los ntawm kev siv lub hauv paus ntsiab lus ntawm kev sib pauv cua sov roj-dej, thiab lub twj tso kua roj transformer loj-ntws tau txais yuav. Cov roj txias muaj kev ncig ceev ceev, muaj peev xwm sib pauv cua sov zoo, qhov kub ntawm lub kauj qis, thiab lub zog sib nqus siab.
◎Kev kho tam sim no thiab kev siv tshuab kho kom ruaj khov tam sim noLos ntawm lub rectifier module, cov zis tam sim no ruaj khov tau pom tseeb, thiab qhov excitation tam sim no raug kho raws li cov yam ntxwv ntawm cov ntaub ntawv sib txawv kom ntseeg tau tias lub zog magnetic teb ruaj khov thiab ua tiav qhov zoo tshaj plaws beneficiation index.
◎Cov thev naus laus zis loj loj uas muaj zog ua haujlwm siab thiab muaj zog: Siv cov hlau tiv thaiv los qhwv lub kauj hollow, tsim cov qauv hluav taws xob sib nqus hluav taws xob tsim nyog, txo qhov saturation ntawm cov hlau tiv thaiv, txo cov khoom sib nqus flux to, thiab tsim lub zog siab hauv qhov chaw cais.
◎Kev siv tshuab sib cais peb theem ntawm cov khoom khov-kua-rojCov khoom siv hauv chav sib cais raug kev cuam tshuam los ntawm kev ntab, lub ntiajteb txawj nqus, thiab lub zog sib nqus kom ua tiav qhov txiaj ntsig zoo hauv qab cov xwm txheej zoo. Kev sib xyaw ua ke ntawm kev tshem tawm dej thiab cua siab ua rau cov dej ntws nruab nrab huv dua.
◎Cov thev naus laus zis tshiab ntawm cov hlau nplaum uas muaj zog thiab cov khoom siv sib nqus uas muaj zog: qhov nruab nrab ntawm kev txheeb xyuas siv cov hlau wool, pob zeb diamond-puab media mesh, lossis kev sib xyaw ua ke ntawm cov hlau wool thiab pob zeb diamond-puab media mesh. Cov nruab nrab no muab cov yam ntxwv ntawm cov khoom siv, thiab kev tshawb fawb thiab kev txhim kho ntawm cov hlau tsis muaj zog uas tsis muaj zog, Lub zog magnetic induction gradient loj, nws yooj yim dua los ntes cov minerals tsis muaj zog magnetic, qhov seem me me, thiab cov nruab nrab yooj yim dua los ntxuav thaum cov ore raug tso tawm.
1.3 Kev tshuaj xyuas cov khoom siv thiab kev tshuaj xyuas kev faib tawm ntawm lub zog sib nqus
1.3.1Lub hauv paus ntsiab lus ntawm kev cais tawm yog: Hauv lub kauj hlau uas muaj hlau nplaum (lossis hlau nthuav dav) muab tso rau hauv. Tom qab lub kauj hlau raug zoo siab, cov hlau nplaum uas muaj hlau nplaum raug magnetized, thiab lub zog sib nqus tsis sib xws heev tau tsim rau ntawm qhov chaw, uas yog High-gradient magnetizing magnetizing magnetic field, thaum cov khoom paramagnetic hla dhau cov hlau nplaum hauv lub tank cais, nws yuav tau txais lub zog sib nqus sib npaug rau cov khoom ntawm lub zog sib nqus siv thiab lub zog sib nqus gradient, thiab nws yuav raug adsorbed rau ntawm qhov chaw ntawm cov hlau nplaum, es tsis txhob cov khoom tsis yog hlau nplaum hla lub zog sib nqus ncaj qha. Nws ntws mus rau hauv lub tank khoom tsis yog hlau nplaum los ntawm lub qhov tsis yog hlau nplaum thiab cov kav dej. Thaum cov khoom tsis muaj zog sib nqus uas cov hlau nplaum sau tau txog qee qib (txiav txim siab los ntawm cov txheej txheem xav tau), tsum tsis txhob pub cov hlau. Txiav lub zog txhawb nqa thiab yaug cov khoom sib nqus. Cov khoom sib nqus ntws mus rau hauv lub tank khoom sib nqus los ntawm lub qhov sib nqus thiab cov kav dej. Tom qab ntawd ua qhov haujlwm thib ob, thiab rov ua qhov kev voj voog no.
1.3.2Kev tshuaj xyuas kev faib tawm ntawm lub zog sib nqus: Siv cov software finite element siab heev los ua kom sai sai rau daim ntawv qhia huab cua sib nqus, ua kom luv luv lub voj voog ntawm kev tsim thiab kev tshuaj xyuas; txais yuav kev tsim qauv zoo tshaj plaws los txo cov khoom siv hluav taws xob thiab txo cov nqi siv; nrhiav pom cov teeb meem ua ntej tsim khoom, Ua kom muaj kev ntseeg siab ntawm cov khoom thiab cov haujlwm; ua kom ntau yam kev sim, txo lub sijhawm sim thiab cov nuj nqis;
Cov yam ntxwv ntawm kev txav mus los ntawm cov ntxhia
2.1 Kev tshuaj xyuas kev txav mus los ntawm cov khoom siv
Lub tshuab sib nqus HTDZ siab gradient yog qhov tsim nyog rau kev pub qis dua thaum cais cov kaolin. Cov khoom siv siv ntau txheej stainless hlau wool (lossis hlau nthuav dav) ua qhov nruab nrab cais, yog li ntawd txoj kev ntawm cov khoom ore tsis sib xws hauv cov lus qhia ntsug thiab kab rov tav. Lub zog nkhaus ntawm cov khoom minerals tau qhia hauv Daim Duab 1. Yog li ntawd, kev ncua sijhawm khiav thiab qhov deb ntawm cov khoom minerals hauv thaj chaw sib cais yog pab tau rau kev nqus tag nrho cov hlau nplaum tsis muaj zog. Tsis tas li ntawd, qhov nrawm ntawm cov slurry ntws, lub ntiajteb txawj nqus thiab kev ntab thaum lub sijhawm sib cais cuam tshuam nrog ib leeg. Qhov cuam tshuam yog kom cov khoom ore nyob rau hauv lub xeev xoob txhua lub sijhawm, txo qhov kev sib txuas ntawm cov khoom ore, thiab txhim kho kev ua haujlwm ntawm kev tshem tawm hlau. Tau txais qhov cuam tshuam zoo rau kev cais.
Daim Duab 4 Daim duab qhia txog kev txav mus los ntawm cov pob zeb hauv av
1. Media network 2. Cov khoom sib nqus 3. Cov khoom tsis yog sib nqus。
2. Qhov xwm txheej ntawm cov hlau nyoos thiab cov txheej txheem yooj yim ntawm kev ua kom zoo dua
2.1 Cov khoom ntawm cov khoom siv kaolin hauv Guangdong:
Cov pob zeb gangue ntawm kaolin hauv ib cheeb tsam hauv Guangdong suav nrog quartz, muscovite, biotite thiab feldspar, thiab me me ntawm liab thiab limonite. Quartz feem ntau yog nplua nuj hauv +0.057mm noob loj, cov ntsiab lus ntawm mica thiab feldspar minerals yog nplua nuj hauv nruab nrab noob loj (0.02-0.6mm), thiab cov ntsiab lus ntawm kaolinite thiab me me ntawm cov minerals tsaus ntuj maj mam nce raws li qhov loj ntawm noob txo qis. , Kaolinite pib nplua nuj ntawm -0.057mm, thiab pom tseeb tias nplua nuj ntawm -0.020mm loj.
Rooj 1 Cov txiaj ntsig ntawm kev tshuaj xyuas ntau yam ntawm kaolin ore%
2.2 Cov xwm txheej tseem ceeb ntawm kev pab cuam siv rau kev tshawb nrhiav cov qauv me me
Cov yam tseem ceeb uas cuam tshuam rau cov txheej txheem sib cais sib nqus ntawm HTDZ high gradient slurry magnetic separator yog qhov ntws ntawm slurry, lub zog ntawm lub zog magnetic tom qab, thiab lwm yam. Ob qho xwm txheej tseem ceeb hauv qab no tau sim hauv kev tshawb fawb no.
2.2.1 Tus nqi ntws ntawm Slurry: Thaum tus nqi ntws loj, qhov txiaj ntsig ntawm cov khoom sib xyaw ua ke siab dua, thiab nws cov hlau kuj siab; thaum tus nqi ntws qis, cov hlau sib xyaw ua ke qis, thiab nws cov txiaj ntsig kuj qis. Cov ntaub ntawv sim tau qhia hauv Rooj 2
Rooj 2 Cov txiaj ntsig ntawm kev sim ntawm cov dej ntws slurry
Lus Cim: Qhov kev ntsuas tus nqi ntws ntawm cov slurry yog ua tiav raws li cov xwm txheej ntawm lub teb sib nqus keeb kwm yav dhau los ntawm 1.25T thiab cov tshuaj dispersant ntawm 0.25%.
Daim Duab 5 Kev sib raug zoo ntawm tus nqi ntws thiab Fe2O3
Daim Duab 6 Kev sib raug zoo ntawm qhov ceev ntawm cov dej ntws thiab cov dej dawb qhuav.
Xav txog tus nqi ntawm kev pab cuam kom tiav, qhov dej ntws ntawm cov slurry yuav tsum tau tswj hwm ntawm 12mm / s.
2.2.2 Lub zog sib nqus keeb kwm yav dhau los: Lub zog sib nqus keeb kwm yav dhau los ntawm lub tshuab sib nqus slurry yog sib xws nrog txoj cai ntawm cov ntsuas kev tshem tawm hlau ntawm kev sib cais sib nqus kaolin, uas yog, thaum lub zog sib nqus siab, qhov sib xyaw ua ke thiab cov ntsiab lus hlau ntawm lub tshuab sib nqus sib cais yog ob qho qis, thiab tus nqi tshem tawm hlau yog qhov tsawg. Siab, zoo, cov nyhuv ntawm kev tshem tawm hlau.
Rooj 3 Cov txiaj ntsig ntawm kev sim ntawm keeb kwm yav dhau los magnetic teb
Lus Cim: Qhov kev sim teb magnetic keeb kwm yav dhau los yog ua tiav raws li cov xwm txheej ntawm cov dej ntws slurry ntawm 12mm / s thiab cov tshuaj dispersant ntawm 0.25%.
Vim tias qhov siab dua ntawm qhov keeb kwm yav dhau los magnetic field intensity, qhov ntau dua lub zog excitation, qhov siab dua lub zog siv ntawm cov khoom siv, thiab qhov siab dua tus nqi tsim khoom. Xav txog tus nqi ntawm kev pab, lub keeb kwm yav dhau los magnetic teb xaiv yog teem rau 1.25T.
Daim Duab 7 Kev sib raug zoo ntawm lub zog magnetic thiab Fe2O3 cov ntsiab lus.
2.3 Kev xaiv cov txheej txheem yooj yim ntawm kev sib cais sib nqus
Lub hom phiaj tseem ceeb ntawm kev siv kaolin ore beneficiation yog tshem tawm hlau thiab ua kom huv. Raws li qhov sib txawv ntawm txhua yam minerals, kev siv lub zog siab magnetic field kom tshem tawm hlau thiab ua kom huv kaolin zoo, thiab cov txheej txheem yooj yim thiab yooj yim rau kev siv hauv kev lag luam. Yog li ntawd, lub tshuab sib cais magnetic slurry siab, ib qho ntxhib thiab ib qho zoo, yog siv ua cov txheej txheem cais.
Kev tsim khoom lag luam
3.1 Cov txheej txheem tsim khoom lag luam Kaolin
Rau kev tshem tawm hlau ntawm kaolin ore hauv ib cheeb tsam hauv Guangdong, HTDZ-1000 series ua ke yog siv los tsim cov txheej txheem sib cais sib nqus coarse-fine. Daim ntawv qhia kev ntws tau qhia hauv Daim Duab 2.
3.2 Cov xwm txheej ntawm kev tsim khoom lag luam
3.2.1Kev faib tawm cov khoom siv: lub hom phiaj tseem ceeb1. Cais cov khoom tsis huv xws li quartz, feldspar thiab mica hauv kaolin ua ntej los ntawm ob theem cyclone, txo qhov siab ntawm cov khoom siv tom qab, thiab faib cov khoom me me kom ua tau raws li qhov yuav tsum tau ua ntawm cov khoom siv tom qab. 2. Txij li thaum cov khoom sib cais ntawm cov slurry magnetic separator yog 3 # steel wool, qhov loj me ntawm cov khoom me me yuav tsum qis dua 250 mesh kom ntseeg tau tias tsis muaj cov khoom seem hauv cov hlau wool nruab nrab kom tiv thaiv cov hlau wool nruab nrab los ntawm kev thaiv cov hlau wool nruab nrab, cuam tshuam rau qhov ntsuas kev ua tau zoo thiab kev ntxuav nruab nrab Thiab lub peev xwm ua tiav ntawm cov khoom siv, thiab lwm yam.
3.2.2Kev ua haujlwm ntawm kev sib cais sib nqus: cov txheej txheem ntws txais yuav ib qho kev sim ntxhib thiab ib qho kev sim zoo thiab ib qho kev sim ntxhib thiab ib qho kev qhib hluav taws xob zoo. Raws li kev sim qauv, lub zog tom qab ntawm lub zog sib cais sib nqus slurry siab rau kev ua haujlwm roughing yog 0.7T, lub zog sib cais sib nqus siab rau kev ua haujlwm xaiv yog 1.25T, thiab HTDZ-1000 sib nqus sib cais rau kev roughing slurry siv. Nruab nrog HTDZ-1000 xaiv slurry sib nqus sib cais.
3.3 Cov txiaj ntsig ntawm kev tsim khoom lag luam
Kev tsim khoom lag luam ntawm kaolin rau kev tshem tawm hlau hauv ib qho chaw hauv Guangdong, cov khoom qauv ncuav mog qab zib tsim los ntawm HTDZ slurry siab gradient magnetic separator tau qhia hauv Daim Duab 3, thiab cov ntaub ntawv tau qhia hauv Rooj 2.
Ncuav mog qab zib 1: Nws yog cov qauv ncuav mog qab zib nyoos uas nkag mus rau hauv qhov sib cais sib nqus slurry sib cais
Ncuav Qab Zib 2: Cov qauv ncuav qab zib uas xaiv tau me ntsis
Ncuav Qab Zib 3, Ncuav Qab Zib 4, Ncuav Qab Zib 5: Cov qauv xaiv tseg
Rooj 2 Cov txiaj ntsig ntawm kev tsim khoom lag luam (cov txiaj ntsig ntawm kev kuaj thiab rhuav cov ncuav mog qab zib thaum 20:30 teev sawv ntxov rau lub Kaum Ib Hlis 6)
Daim Duab 3 Ib lub ncuav mog qab zib piv txwv uas tsim los ntawm kaolin hauv ib qho chaw hauv Guangdong
Cov txiaj ntsig ntawm kev tsim khoom qhia tau hais tias cov ntsiab lus Fe2O3 ntawm cov tshuaj concentrate tuaj yeem txo tau li ntawm 50% los ntawm ob qhov kev sib cais sib nqus siab ntawm cov slurry, thiab cov txiaj ntsig zoo ntawm kev tshem tawm hlau tuaj yeem tau txais.
应用案例
Lub sijhawm tshaj tawm: Lub Peb Hlis-27-2021