Vim yog qhov kev khawb av loj ntawm cov khoom siv hlau hauv kuv lub tebchaws, nws cov peev txheej tsawg tsawg zuj zus. Yog li ntawd, qhov xav tau rau cov khoom siv ua cov khoom siv tau nce siab thiab siab dua, tshwj xeeb tshaj yog kev siv cov tailings dav dav yog ncaj qha cuam tshuam nrog kev ruaj khov ntawm kuv lub tebchaws cov peev txheej. Lo lus nug yog yuav ua li cas siv cov cai ntawm kev txuag hluav taws xob, kev txo kev siv, thiab kev txo qis pa phem uas lub xeev tau hais, tswj kev siv cov peev txheej mus sij hawm ntev, thiab ua kom muaj txiaj ntsig zoo tshaj plaws ntawm cov peev txheej tau dhau los ua qhov teeb meem tseem ceeb uas kev lag luam khawb av ntsib.
Tam sim no, lub tshav dav hlau rov qab siv rau hauv kev sib cais sib nqus ntawm cov hlau ferrous ore tailings hauv kuv lub tebchaws yog li 1600Gs, thiab nws nyuaj rau rov qab tau cov zaub mov tsis muaj zog magnetic hauv cov tailings. Vim li no, muaj qhov xav tau ceev ceev los tsim cov khoom siv beneficiation nrog lub zog siab thiab muaj peev xwm txo cov hlau ntawm tailings kom ua kom zoo tshaj plaws ntawm kev siv cov peev txheej hauv kuv lub tebchaws.
Shandong Huate Magnetoelectric Technology Co., Ltd. tau cog lus rau kev tshawb fawb ntawm cov khoom siv magnetite sib cais sib nqus tailings rov qab txij li xyoo 2005. Tam sim no, ntau tus ferrites tau tsim los ua cov tshuab magnetic tailings rov qab, thiab peb series tau tsim. Cov khoom nrog ntau yam kev qhia tau dhau los ua cov khoom siv tseem ceeb rau kev rov qab tailings. Txhawm rau kom nce ntxiv cov hlau rov qab ntawm cov khoom siv rov qab tailings, tom qab kev tshawb nrhiav kom meej, kev ua qauv qhia thiab kev tshuaj xyuas kev ntsuam xyuas, kev siv cov khoom siv neodymium hlau boron sib nqus thiab txoj kev tshem tawm hauv thaj chaw tsis yog hlau nplaum tau txhim kho cov hlau rov qab, thiab kev tshem tawm yooj yim, uas tuaj yeem ua tau raws li qhov yuav tsum tau siv.
Cov qauv thiab txoj cai ua haujlwm ntawm nruab nrab-teb lub zog semi-magnetic tus kheej-unloading tailings rov qab tshuab
Lub tshuab rov qab siv cov khoom siv hlau nplaum semi-magnetic siv neodymium hlau boron ua cov khoom siv hlau nplaum. Qhov chaw sib cais muaj thaj chaw hlau nplaum nruab nrab thiab thaj chaw hlau nplaum tsis muaj zog. Cov ncej hlau nplaum sib hloov ua lub nplhaib hlau nplaum semi-circular. Lub plhaub tig tau muab sab nraud lub cev hlau nplaum. , Lub cev hlau nplaum tau kho, ib feem ntawm lub plhaub raug muab tso rau hauv lub pulp, thiab cov khoom sib nqus hauv lub pulp raug nqus tas li los ntawm txoj kev tig tas li. Cov khoom sib nqus txuas ntxiv mus nrog rau kev tig ntawm lub casing, yog li cov khoom tsis yog hlau nplaum hauv cov khoom sib nqus raug ntxuav tas li. Sab xis saum toj ntawm lub cev hlau nplaum semi-annular tsis muaj lub teb hlau nplaum. Thaum cov khoom sib nqus nkag mus rau thaj chaw tsis yog hlau nplaum, nyob rau hauv kev ua ntawm dej ntxuav thiab lub ntiajteb txawj nqus ntawm cov khoom, Unload cov khoom rau hauv lub tank concentrate.
Lub tshuab rov qab cov tailings semi-magnetic self-unloading mid-field strength yog ib hom disc-hom sib xyaw ua ke, thiab tus naj npawb ntawm cov magnetic discs tuaj yeem txiav txim siab raws li qhov xav tau ntawm lub peev xwm ua tiav. Nws cov qauv tau qhia hauv Daim Duab 1, 2, thiab 3. 1- thav duab; 2- lub tank slurry; 3- disk kho mechanism; 4- lub hauv paus ncej; 5- deflector; 6-sau tais; 7- agitating block; 8- flushing yeeb nkab; 9- tuav chute; 10-Reducer; 11-lub cev muaj zog; 12-muaj zog magnetic cheeb tsam; 13-tsis muaj zog magnetic cheeb tsam; 14-ruaj khov disk; 15-tsis muaj magnetic cheeb tsam.
Lub thav duab yog ua los ntawm cov hlau welded thiab feem ntau yog siv los txhawb lub hauv paus ncej, txhim kho lub kaw lus kis tau tus mob thiab txhim kho lub tank slurry.
Lub disc sib nqus yog ib lub qauv semi-sib nqus, thiab lub disc sau kaw tau teeb tsa sab nraud, lub phaj sib nqus conductive tau muab tso rau ntawm cov hlau sib nqus ob txheej, thiab qhov qis dua ntawm lub disc sau tau muab tso rau hauv lub tank slurry 2.
Lub disc sib nqus muaj lub teb sib nqus nruab nrab, lub teb sib nqus tsis muaj zog thiab thaj chaw tsis muaj hlau nplaum, thiab nws tau kho rau ntawm lub axis nruab nrab.
Ob qhov kawg ntawm lub lauj kaub sau khoom muaj ntau daim phiaj qhia uas faib ua ib daim duab kab, thiab ntau lub pob sib xyaw uas faib sib npaug zos tau muab rau ntawm sab nraud.
Tam sim no, qee lub tshuab concentrators hauv kuv lub tebchaws siv cov tshuab rov qab tau cov khoom siv disk tailings nruab nrab, tab sis vim yog qhov tsis zoo ntawm kev tshem tawm cov khoom siv, cov khoom siv sib nqus yuav nqus rov qab thaum cov khoom siv sib nqus nkag mus rau thaj chaw tsis yog sib nqus los ntawm lub teb sib nqus nruab nrab, thiab lub disk thiab scraper hnav sai sai. , Raws li qee qhov kev txwv hauv kev siv.
Vim yog qhov xwm txheej saum toj no, peb lub tuam txhab tau siv lub disk semi-annular uas muaj zog nruab nrab nrog lub qauv neodymium-iron-boron uas tau kaw tag nrho kom ruaj khov rau ntawm lub axis nruab nrab, thiab lub axis nruab nrab tau ruaj khov yam tsis muaj kev tig. Lub lauj kaub sau khoom uas tig tau, qhov qis dua ntawm lub lauj kaub sau khoom raug muab tso rau hauv lub qhov dej ntws kom nqus cov khoom siv sib nqus. Lub cev muaj zog thiab lub tshuab txo qis siv los tsav lub tais sau khoom kom tig, thiab cov khoom siv sib nqus uas nqus tau hla dhau lub tshav pob sib nqus nruab nrab thiab lub tshav pob sib nqus tsis muaj zog, thiab tom qab ntawd tso tawm tom qab mus txog lub tshav pob tsis muaj hlau nplaum, uas daws cov teeb meem saum toj no.
Muaj ib txoj kab txiav khoom siv nyob nruab nrab ntawm txhua lub lauj kaub sau khoom, thiab cov khoom siv hlau nplaum ntawm lub lauj kaub sau khoom raug ntxuav thiab ntws tawm raws txoj kab txiav khoom.
Lub kaw lus kis tau tus mob yog tsim los ntawm lub cev muaj zog hloov pauv zaus, lub tshuab txo qis, lub txuas, lub tes tsho kis tau tus mob, thiab lwm yam. Cov khoom saum toj no tau teeb tsa rau ntawm lub hauv paus thiab lub thav duab kom paub txog kev sib hloov tas mus li ntawm lub tais sau.
Lub txee tswj hwm muaj cov inverters, cov hloov pauv tswj thiab lwm yam khoom siv los tswj qhov ceev ntawm lub disc sib nqus txhua lub sijhawm.
Lub hlau nplaum tas mus li hauv thaj chaw sib nqus yog tsim los ntawm ib daim lossis ntau daim hauv qhov tuab, thiab lub vev xaib disc ruaj khov raug muab tso rau hauv nruab nrab. Thaj chaw sib nqus siv ntau pawg ntawm cov khub sib nqus nrog cov polarities sib txawv kom tau teeb tsa hloov pauv. Thaum lub sijhawm tig tas mus li ntawm lub lauj kaub sau, cov khoom sib nqus tas li tig hauv lub lauj kaub sau thiab hauv dej kom ntxuav thiab tshem tawm, yog li cov khoom sib nqus rov qab tau sib xyaw nrog cov tailings ib txwm muaj. Piv nrog lub tshuab rov ua dua tshiab, qhov huv si yog siab dua thiab cov nyhuv rov ua dua tshiab zoo dua.
Muaj ib cheeb tsam tsis muaj zog sib nqus nyob nruab nrab ntawm thaj chaw sib nqus thiab thaj chaw tsis muaj hlau nplaum hauv lub disk. Thaum cov khoom siv sib nqus nkag mus rau thaj chaw tsis muaj hlau nplaum, vim yog thaj chaw hloov pauv tsis muaj zog sib nqus thiab thaj chaw nqus ntawm thaj chaw tsis muaj zog sib nqus maj mam txo qis, qhov tshwm sim rov qab ntawm cov khoom siv sib nqus raug txo qis heev. Lub baffle inclined ntawm lub tais khoom kuj tiv thaiv kev txav rov qab ntawm cov khoom siv sib nqus thiab kev xau ntawm cov khoom siv, thiab tuaj yeem ua rau cov khoom siv sib nqus maj mam txav mus rau hauv qab. Vim yog qhov kev ua ntawm lub ntiajteb txawj nqus thiab dej ntxuav, kev tshem tawm sai sai tau pom.
Lub tais sau yog ib qho khoob thiab kaw tag nrho, thiab qhov chaw rau adsorbing cov ntaub ntawv sib nqus yog tsim los ntawm cov ntaub ntawv tsis yog sib nqus. Ntawm lub tais sau, lub phaj qhia muaj cov tav ntawm sab nraud, uas yog inclined ntawm ib lub kaum sab xis nrog qhov kawg ntawm lub tais sau. Lub hom phiaj tseem ceeb yog los tiv thaiv magnetism. Rov qab txav ntawm cov ntaub ntawv thiab xau ntawm cov ntaub ntawv. Txhawm rau kom txo qhov tso nyiaj ntawm cov ore slurry, ntau lub stirring blocks rau do cov ore slurry tau teeb tsa nyob ib puag ncig lub lauj kaub sau, thiab tib lub sijhawm, qhov kev sib txhuam ntawm lub phaj sau vim qhov tso nyiaj ntawm cov ore slurry kuj raug txo qis.
Daim ntawv thov kev tsim khoom lag luam
Kev tshuaj xyuas ntawm cov txiaj ntsig rov qab los ntawm lub zog nruab nrab semi-magnetic tus kheej-unloading tailings rov qab tshuab
Lub tshuab rov qab cov tailings semi-magnetic uas muaj zog nruab nrab nrog tus qauv YCBW-15-8 uas lub tuam txhab mining siv tau teeb tsa tom qab lub tshuab rov qab cov tailings uas muaj ferrite hauv lub tshuab magnetic. Tom qab ntau tshaj ib nrab xyoo ntawm kev ua haujlwm, cov khoom siv ua haujlwm ib txwm thiab cov txiaj ntsig rov qab zoo. Tom qab ntau qhov kev sim kuaj, cov txiaj ntsig zoo siab. Cov txiaj ntsig ntawm ntau qhov kev sim kuaj yog raws li nram no:
Los ntawm kev tshuaj xyuas cov ntaub ntawv saum toj no:
Cov txiaj ntsig rov qab los ntawm cov khoom siv no: qib ntawm cov tailings raug txo los ntawm 2.16% tom qab kev cais tawm, qib ntawm cov hlau nplaum raug txo los ntawm 1.27% tom qab kev cais tawm, thiab qib nruab nrab ntawm cov hlau nruab nrab yog 26.53%. Cov txiaj ntsig rov qab los yog pom tseeb.
Kev cia siab rau kev ua lag luam thiab cov txiaj ntsig kev lag luam
Tam sim no, muaj ntau lub tuam txhab sib cais sib nqus hauv Suav teb, thiab tsuas yog ob peb tug ntawm lawv siv cov tshuab rov qab ferrite tailings, tab sis tsis siv cov tshuab rov qab tailings semi-magnetic self-unloading tailings nruab nrab. Yog li ntawd, kev cia siab ntawm kev ua lag luam yog dav. Yog tias 20% ntawm cov khoom siv sib nqus Lub Hoobkas ua lag luam nqis peev rau hauv cov khoom siv no, xam raws li 300 units ib xyoos thiab qauv YCBW-15-8. Txhua chav tsev tuaj yeem rov qab tau 7t / h ntawm cov hlau qhuav ib teev, 168t / h ntawm cov hlau qhuav ib hnub, thiab 330 hnub ua haujlwm ib xyoos, tag nrho cov kev rov qab tau 55.44 lab tons, thiab tag nrho ntawm 16.632 lab tons tau rov ua dua los ntawm 300 units. Cov txiaj ntsig kev lag luam yog qhov tseem ceeb, thiab kev siv cov khoom siv no tuaj yeem txo qhov pov tseg ntawm ntau cov peev txheej hauv av rau lub tebchaws txhua xyoo.
Tam sim no, qib ntawm cov tailings ntawm ferrous hlau ore hauv kuv lub teb chaws feem ntau siab tom qab kev cais, ua rau muaj ntau qhov pov tseg ntawm cov peev txheej. Cov peev txheej minerals yog lub hauv paus rau tib neeg txoj sia nyob thiab kev loj hlob. Ntau tshaj 95% ntawm lub zog thiab 80% ntawm cov khoom siv raw khoom hauv kuv lub teb chaws yog los ntawm kev khawb av. Nrog rau kev loj hlob sai ntawm kuv lub teb chaws kev lag luam, qhov kev thov rau cov peev txheej minerals txuas ntxiv mus ntxiv. Ntawm ib sab tes, kuv lub teb chaws cov peev txheej minerals tab tom ntsib kev nyuaj siab los ntawm kev tsis txaus. Cov peev txheej minerals qib siab, yooj yim rau kev cais tawm tab tom poob qis, thiab cov peev txheej minerals qib qis, nyuaj rau kev cais tawm tau nce ntxiv. Kev tsim kho thiab kev tshawb fawb ntawm cov tshuab rov qab tailings saum toj no 300mT muaj txiaj ntsig zoo rau kev txo cov peev txheej pov tseg hauv teb chaws thiab nce tus nqi siv ntawm cov peev txheej minerals. Los ntawm qhov kev xav ntawm kev txhim kho thiab cov txiaj ntsig ntawm daim ntawv thov, nws tau txhim kho tus nqi rov qab ntawm cov hlau nplaum. Nws ua tau raws li cov qauv tsim thiab yog cov khoom tsim nyog rau kev txhawb nqa thiab daim ntawv thov.
Lub sijhawm tshaj tawm: Tsib Hlis-12-2021