Cov tshuaj phosphate slurry yog cov pob zeb phosphate uas sib xyaw ua ke zoo hauv dej. Nws yog ib qho tseem ceeb rau kev khawb av thiab kev tsim chiv, tshwj xeeb tshaj yog rau kev thauj cov khoom siv raw los ntawm lub qhov av mus rau cov chaw ua khoom thiab hauv kev tsim cov phosphoric acid. Vim nws muaj txiaj ntsig zoo rau kev lag luam thiab ib puag ncig, kev thauj cov tshuaj phosphate slurry zoo yog lub hauv paus ntawm cov khoom xa tuaj rau cov lag luam ua liaj ua teb thiab kev lag luam loj.
Feem ntau, kev thauj cov phosphate slurry tshwm sim los ntawm cov kav dej, qhov twg kev ua haujlwm zoo, kev nyab xeeb, thiab cov khoom sib xws yog qhov tseem ceeb. Txawm li cas los xij, cov khoom rheological tshwj xeeb ntawm phosphate slurry ua rau muaj kev cov nyom tseem ceeb. Nws cov cwj pwm tsis yog-Newtonian, shear-thinning txhais tau tias viscosity thiab cov yam ntxwv ntws hloov pauv dynamically, nyob ntawm qhov concentration ntawm cov khoom khov, qhov loj me ntawm cov khoom me me, thiab cov tshuaj lom neeg. Cov khoom khov siab tuaj yeem ua rau viscosity siab thiab ua rau muaj kev ntxhov siab, ua rau kev thauj mus los ntawm cov kav dej yooj yim rau kev thov zog ntau ntxiv, kev ntws tsis tuaj yeem kwv yees tau, thiab kev pheej hmoo ntawm kev thaiv lossis kev sib tsoo.
Cov Ntsiab Lus Tseem Ceeb ntawm Kev Coj Tus cwj pwm Phosphate Slurry
Cov Khoom Siv thiab Cov Khoom Siv Lub Cev
Cov tshuaj phosphate slurry yog ua los ntawm cov phosphate ore uas muab faib ua tej daim me me uas muab dai rau hauv cov kua dej uas nqa, feem ntau yog dej. Cov tshuaj sib xyaw no feem ntau muaj cov tshuaj ntxiv xws li cov tshuaj flotation reagents, cov pH modifiers, lossis lwm yam tshuaj uas ua rau cov khoom siv tau zoo. Peb yam tseem ceeb—cov khoom me me uas dai, cov kua dej uas nqa, thiab cov tshuaj ntxiv—yog cov uas tswj cov kev sib cuam tshuam ntawm lub cev thiab tshuaj ntawm cov slurry.
Kev Ua Pob Zeb Phosphate
*
Qhov loj ntawm cov khoom me me thiab qhov faib ntawm cov khoom me me yog qhov tseem ceeb heev. Cov khoom me me ua rau thaj chaw nto ntau ntxiv, ua rau ob qho tib si tshuaj lom neeg thiab cov viscosity ntawm cov slurry nce ntxiv. Thaum qhov faib loj me me (piv txwv li, cov khoom me me dhau los ua ntau dua), viscosity nce siab, ua rau cov dej ntws nyuaj thiab ua rau muaj kev pheej hmoo ntawm kev sib tsoo ntawm cov kav dej. Kev faib dav dua (polydisperse), thaum tsim kho, tuaj yeem txo qhov viscosity pom tseeb los ntawm kev txhim kho kev ua haujlwm ntawm kev ntim khoom thiab txo qhov sib txhuam ntawm cov khoom me me. Piv txwv li, cov slurries av raws li Rosin-Rammler-Benne qauv lossis tshuaj xyuas los ntawm fractal geometry tso saib qhov sib txawv hauv ob qho tib si rheological zog thiab kev tiv thaiv kev thauj mus los.
Qhov kev sib sau ua ke ntawm cov khoom khov kho txiav txim siab seb cov khoom me me ntawd yuav ntim tau npaum li cas. Qhov kev sib sau ua ke ntau dua ua rau ob qho tib si viscosity thiab yield stress, hloov tus cwj pwm ntws los ntawm pseudoplastic (qhov sib sau ua ke nruab nrab) mus rau Bingham yas lossis txawm tias dilatant non-Newtonian regimes ntawm qhov siab tshaj plaws. Kev sib raug zoo ntawm qhov kev sib sau ua ke thiab qhov loj ntawm cov khoom me me yog qhov tseem ceeb rau kev ua kom zoo dua ntawm kev thauj mus los slurry - kev tswj hwm ob yam no ua rau cov kav dej ntws zoo rau slurry, txo qis kev siv zog thiab kev hnav khoom siv.
Cov khoom siv lub cev xws li viscosity thiab density teeb tsa cov kev ua tau zoo tseem ceeb rau kev thauj mus los hauv cov kav dej. Slurry viscosity qhia txog kev tiv thaiv kev ntws, ncaj qha cuam tshuam rau qhov yuav tsum tau siv twj. Slurry density, cuam tshuam los ntawm cov khoom khov thiab cov khoom me me, ua rau cov qauv siab hydrostatic thiab tswj hwm qhov muaj peev xwm rau cov kav dej txhaws thiab cov xwm txheej poob. Cov ntsuas viscosity online, cov ntsuas kua online, thiab cov txheej txheem meej rau kev ntsuas slurry viscosity yog qhov yuav tsum tau ua rau kev saib xyuas tiag tiag thiab kev tswj hwm cov txheej txheem, txhawb nqa ob qho tib si kev tiv thaiv kev txhaws thiab kev tiv thaiv kev poob.
Kev cuam tshuam ntawm Slurry Rheology ntawm Kev Ua Haujlwm
Feem ntau cov phosphate slurries qhia txog tus cwj pwm tsis yog Newtonian. Lawv cov viscosity tsis ruaj khov; nws nyob ntawm tus nqi ntawm kev siv shear. Feem ntau qhia txog yield-pseudoplastic (shear-thinning nrog yield stress) lossis Bingham yas yam ntxwv. Hauv kev xyaum, kev ntws pib tsuas yog thaum qhov threshold (yield) stress dhau; dhau qhov no, viscosity sai sai txo qis nrog cov shear siab dua.
Qhov xwm txheej tsis yog Newtonian muaj kev cuam tshuam ncaj qha rau kev ntws thiab kev tsim qauv:
- Kev Poob Siab:Qhov viscosity siab dua thiab kev ntxhov siab ntawm cov zis ua rau qhov siab poob qis rau qhov kev thauj mus los. Qhov no txhais tau tias xav tau ntau lub zog los tswj kev ntws, tshwj xeeb tshaj yog thaum muaj qhov ceev qis dua lossis nrog cov khoom khov siab. Cov qauv lej xws li Herschel-Bulkley, Bingham, lossis Ostwald-Power txoj cai feem ntau siv los kwv yees qhov kev coj cwj pwm no thiab qhia txog qhov loj ntawm lub cev.
- Kev Muaj Peev Xwm Ua Haujlwm ntawm Cov Kav Dej:Thaum viscosity thiab yield stress nce siab tshaj qhov txwv (vim yog kev hloov pauv ntawm qhov loj me lossis concentration ntawm cov khoom me me), qhov kev pheej hmoo ntawm kev ntws tsis ua haujlwm, cov kav dej txhaws, lossis kev puas tsuaj loj heev nce ntxiv. Kev tswj hwm zoo ntawm qhov loj me thiab concentration ntawm cov khoom me me, nrog rau kev saib xyuas viscosity thiab density tiag tiag siv cov kev daws teeb meem los ntawmcov chaw tsim khoom ntsuas qhov ceev hauv onlinezoo li Lonnmeter, yog qhov tseem ceeb rau kev ua haujlwm txhim khu kev qha.
- Kev Txhim Kho Kev Thauj Mus Los:Kev ua kom nyias nyias (pseudoplastic) pab txhawb kev nqus dej vim tias viscosity poob qis ntawm qhov nrawm siab. Qhov cwj pwm no ua rau siv hluav taws xob tsawg dua thaum lub sijhawm thauj mus los hauv cov kav dej ruaj khov, yog tias qhov nrawm ua haujlwm sib phim zoo rau cov yam ntxwv ntawm cov slurry.
- Tsim Reactor:Hauv desulfurization thiab dephosphorization, non-Newtonian rheology cuam tshuam rau reactor mixing, mass transfer, thiab residence time distribution. Qhov pom tseeb viscosity thiab yield stress tswj ob qho tib si lub zog sib tov xav tau thiab qhov ua tau zoo ntawm cov tshuaj lom neeg khov-kua hauv reactor.
Cov txiaj ntsig zoo tshaj plaws yog nyob ntawm kev txheeb xyuas qhov tseeb ntawm rheological. Cov cuab yeej xws li rotational rheometry, rotary viscometers, thiab cov qauv CFD siab heev yog siv los tsim cov qauv ntws kom raug. Kev kuaj mob hauv chaw kuaj mob thiab kev lag luam ntau lub voj voog txheeb xyuas tus cwj pwm, coj cov txheej txheem ua haujlwm kom txo qis kev siv zog thiab kev hnav khoom siv. Cov kev daws teeb meem ntsuas lub sijhawm tiag tiag, xws li cov ntsuas viscosity online thiab kev ntsuas qhov loj ntawm cov khoom me me, txhawb nqa cov tswv yim tswj hwm dynamic - pab tiv thaiv cov teeb meem xws li kev sib tsoo slurry thiab txhim kho kev ua haujlwm zoo ntawm kev thauj slurry hauv cov kav dej lag luam.
Hauv kev xaus, cov yam ntxwv ntawm cov phosphate slurry—tshwj xeeb tshaj yog cov uas tswj tau los ntawm kev sib cuam tshuam ntawm cov khoom me me uas raug ncua, kev sib sau ua ke, cov khoom ntxiv, thiab cov kua dej—txhais tau ob qho tib si kev ua tau zoo ntawm kev thauj mus los thiab kev ua haujlwm ntawm cov txheej txheem. Kev tswj cov khoom me me uas raug ncua hauv slurry, saib xyuas kev faib tawm ntawm cov khoom me me, thiab kev tswj cov khoom khov yog qhov tseem ceeb rau kev txhim kho cov kav dej ntws, tiv thaiv kev poob qis, thiab kev ua kom zoo dua ntawm kev thauj mus los slurry rau cov txheej txheem phosphate beneficiation hauv kev lag luam.
Kev siv cov tshuaj phosphate slurry los ua kom cov hlau tsis muaj zog thiab cov hlau tsis muaj zog
Cov Ntsiab Cai ntawm Cov Txheej Txheem
Kev tshem tawm sulfurizationthiab cov txheej txheem dephosphorization siv cov phosphate slurry ua haujlwm raws li cov hauv paus ntsiab lus ntawm cov roj-kua-khoom nqus cov tshuaj tiv thaiv hauv cov reactors ntub.Cov pa roj sulfur dioxide (SO₂)Hauv cov pa roj flue hauv kev lag luam, thawj zaug yaj mus rau hauv cov kua dej ntawm cov phosphate slurry. Nyob ntawd, nws teb sai sai nrog phosphate ions thiab dej, tsim cov phosphoric acid thiab cov khoom lag luam khov kho, thaum tseem ua rau phosphorus rov qab los. Cov txheej txheem nqus tau piav qhia los ntawm kev hloov pauv kauj ruam: cov roj-theem SO₂ diffuses hla cov dej ntws, nkag mus rau hauv slurry, thiab tom qab ntawd raug cais tawm hauv tshuaj lom neeg. Magnesium leaching los ntawm slurry yuav tshwm sim, nyob ntawm qhov chaw tshuaj lom neeg tshwj xeeb thiab cov nqi hloov pauv loj. Kev tswj hwm tseem ceeb ntawm tus nqi nqus yog ua los ntawm cov roj zaj duab xis tsis kam ntawm qhov sib txuas, ua rau muaj kev kub ntxhov thiab kev sib tov tseem ceeb rau kev ua haujlwm zoo tshaj plaws.
Qhov kev sib cuam tshuam ntawm cov txheej txheem lub cev hauv lub reactor yog qhov tseem ceeb rau cov txheej txheem tsim tawm. Cov dej ntws slurry uas dai rau hauv cov roj ntws ua rau thaj chaw sib cuag rau SO₂ kev sib cuag thiab kev nqus ntau tshaj plaws, nrog rau cov roj-kua hloov pauv huab cua tswj hwm los ntawm qhov loj me ntawm cov dej ntws, qhov ceev ntawm kev plam, qib turbulence, thiab kub. Kev hloov pauv huab cua zoo nyob ntawm ob qho tib si kev sib kis ntawm cov dej ntws thiab kinetics ntawm lawv cov tshuaj tiv thaiv nrog SO₂. Kev sib cuam tshuam ntawm cov dej ntws-roj zoo dua tsis yog tsuas yog txhawb nqa SO₂ kev tshem tawm tab sis kuj txhawb nqa kev rov qab tau phosphate zoo, tseem ceeb rau kev tswj hwm kev ua qias tuaj thiab kev siv cov peev txheej rov ua dua tshiab.
Cov Yam Cuam Tshuam Rau Kev Ua Haujlwm Zoo ntawm Cov Tshuaj Tiv Thaiv
Lub geometry ntawm lub reactor yog qhov tseem ceeb uas txiav txim siab txog kev nqus tau zoo. Cov yam ntxwv xws li lub kaum sab hauv thiab txoj kab uas hla tswj tau seb cov roj thiab cov slurry nkag mus thiab sib tov li cas hauv lub reactor. Piv txwv li, cov kaum sab hauv thiab txoj kab uas hla me dua txhawb kev turbulence siab dua thiab kev sib kis zoo dua ntawm cov tee dej, ua rau muaj kev hloov pauv loj dua thiab nce SO₂ kev ntes. Txoj kab uas hla loj dua feem ntau txo qhov ua tau zoo los ntawm kev diluting turbulence thiab txo lub sijhawm sib cuag ntawm cov roj thiab cov tee dej slurry. Tsis zoo li kev nkag siab, kev ntxiv cov baffles sab hauv muaj kev cuam tshuam tsawg rau cov nqi desulfurization piv rau cov teebmeem tseem ceeb ntawm kev tsim inlet thiab geometry tag nrho.
Cov khoom siv lub cev ntawm cov phosphate slurry nws tus kheej - tshwj xeeb tshaj yog viscosity, density, thiab qhov loj ntawm cov khoom me me - cuam tshuam rau cov tshuaj tiv thaiv. Cov viscosity slurry siab txo cov dej ntws, cuam tshuam ob qho tib si sib tov thiab cov txheej txheem nqus. Ntawm qhov tod tes, viscosity qis dua txhim kho kev ua haujlwm ntawm kev ntws tab sis yuav ua rau cov khoom me me thiab muaj kev pheej hmoo ntawm kev tawg hauv zos. Kev hloov pauv ntawm qhov ceev cuam tshuam rau kev ruaj khov ntawm cov dej ntws thiab kev sib sau ua ke; slurries nrog cov qauv ceev tsim nyog muab kev tiv thaiv zoo dua rau kev sib sau ua ke, tswj kev sib cuag zoo tshaj plaws rau kev nqus.
Kev faib tawm ntawm qhov loj ntawm cov khoom me me kuj muaj feem cuam tshuam ncaj qha rau kev ua haujlwm nqus. Cov khoom me me muab thaj chaw loj dua, txhawb nqa SO₂ kev hloov pauv loj, thaum cov khoom loj dhau lossis tsis zoo faib tawm txhawb kev sib sau ua ke sai, kev sib sau ua ke hauv zos, thiab kev txhaws. Kev ncua ntawm cov khoom me me yog qhov tseem ceeb kom tsis txhob muaj teeb meem zoo li no. Kev ntsuas thiab kev tswj hwm cov khoom no - sivCov ntsuas viscosity slurry online, cov ntsuas dej ntws hauv online, thiab cov khoom siv los ntawm cov chaw tsim khoom tshwj xeeb hauv online density meter—yog cov qauv kev coj ua rau cov nroj tsuag niaj hnub no.
Kev ncua thiab kev sib kis ntawm cov khoom khov kho hauv cov slurry tiv thaiv cov kev hloov pauv rau kev sib tsoo hauv zos thiab reactor fouling. Tswj kev turbulence txaus kom cov khoom khov kho, thaum saib xyuas thiab kho viscosity, pab tiv thaiv kev tso cov khoom khov kho rau ntawm reactor sab hauv thiab cov kav dej. Cov thev naus laus zis zoo li Lonnmeter online meters muaj txiaj ntsig zoo rau kev ntsuas viscosity thiab qhov ceev tiag tiag, ua rau kev tswj hwm cov khoom slurry thiab kev ua kom zoo dua ntawm desulfurization thiab dephosphorization kev ua tau zoo.
Kev Txo Qhov Kev Pheej Hmoo ntawm Kev Nce thiab Kev Txhaws
Kev tiv thaiv kom tsis txhob muaj scaling thiab clogging hauv cov phosphate slurry reactors nyob ntawm ob qho tib si slurry zoo tshaj plaws thiab kev tsim reactor ua tib zoo. Kev ua haujlwm ntawm viscosity tswj thiab tswj kom muaj qhov loj me ntawm cov khoom me me kom raug txo qhov yuav muaj cov khoom me me sib sau ua ke thiab ua rau muaj kev ncua sib xws. Cov qauv geometries reactor tsim rau kev kub ntxhov siab - tshwj xeeb tshaj yog ntawm cov pa roj thiab slurry inlets - txhawb kev sib kis ntawm cov khoom me me, tiv thaiv cov cheeb tsam ntawm cov dej ntws qis uas yuav tshwm sim kev sib sau ua ke thiab cov nplai.
Cov tswv yim ua tau los ntawm kev tshawb fawb txog kev lag luam tsis ntev los no thiab kev tshawb fawb simulation qhia tau hais tias kev teeb tsa cov reactor inlets rau qhov muaj zog, sib xws turbulence thiab siv cov slurry concentration hauv cov qhov rai pom zoo txo qhov kev pheej hmoo ntawm scale. Kev zam cov qib viscosity siab thiab tiv thaiv cov khoom khov ntau dhau yog qhov zoo tshwj xeeb rau kev tiv thaiv kev txhaws ntawm cov kav dej thiab kev thauj mus los slurry optimization. Tsis tas li ntawd, kev siv cov voj voog slurry txias tuaj yeem txhim kho kev ntes cov khoom me me, txo cov fouling los ntawm kev txhawb nqa vapor supersaturation thiab txhawb kev tshem tawm cov khoom me me submicrometer.
Kev tswj cov nplai kuj tau txais kev txhawb nqa ntxiv los ntawm cov tswv yim tshuaj: kev muab cov tshuaj tiv thaiv nplai kom raug—tshwj xeeb tshaj yog cov tshuaj uas tsom mus rau cov txheej txheem uas muaj phosphate ntau—txwv tsis pub cov calcium phosphate tso rau hauv cov nplai yam tsis tas yuav tsum tau muab cov kua qaub ntau dhau lossis kev hloov kho loj ntawm lub cev. Kev xaiv thiab kev hloov kho ntawm cov neeg sawv cev no nyob ntawm kev saib xyuas online ntawm cov tshuaj lom neeg dej thiab cov kua nplaum, ua kom muaj kev tiv thaiv tas mus li tiv thaiv cov nplai hauv lub sijhawm ua haujlwm tiag tiag.
Kev ua kom zoo dua cov kev tswj hwm lub cev thiab tshuaj no ua rau kev thauj mus los ntawm cov kav dej ua haujlwm tau zoo dua, txhim kho kev ntws ntawm cov slurry hauv cov kav dej, thiab txhawb nqa kev ua haujlwm ntawm lub reactor mus sij hawm ntev yam tsis muaj kev cuam tshuam kev ua haujlwm los ntawm kev txhaws thiab kev sib tsoo. Kev ntsuas qhov tseeb ntawm cov slurry viscosity, qhov ceev, thiab qhov loj ntawm cov khoom me me uas raug tshem tawm—txhawb nqa los ntawm cov ntsuas online zoo tshaj plaws—yog lub hauv paus tseem ceeb hauv kev ua tiav cov txiaj ntsig no thiab tswj cov txheej txheem desulfurization thiab dephosphorization siab hauv cov txheej txheem phosphate slurry handling.
Kev Ua Kom Zoo Tshaj Plaws ntawm Kev Thauj Mus Los Hauv Cov Kav Dej rau Phosphate Slurry
Kev Nqus Dynamics hauv Kev Thauj Mus Los ntawm Cov Kav Dej
Qhov ua tau zoo ntawm kev thauj mus los ntawm cov phosphate slurry yog nyob ntawm plaub yam tseem ceeb: qhov ceev, viscosity, qhov ceev, thiab cov yam ntxwv ntawm cov khoom me me uas raug ncua. Qhov ceev ntawm Slurry ncaj qha txiav txim siab qhov kev pheej hmoo ntawm kev tso dej - qhov ceev siab dua ua rau cov khoom khov kho thiab txo qhov kev phom sij ntawm kev txhaws, tab sis lawv kuj ua rau muaj kev xav tau zog thiab cov nqi ua haujlwm ntau ntxiv. Muaj qhov ceev tseem ceeb hauv qab no uas cov khoom me me pib poob qis, ua rau muaj kev phom sij rau kev ntws zoo thiab kev noj qab haus huv ntawm cov kav dej.
Qhov viscosity, txuas nrog rau qhov concentration ntawm slurry thiab kub, cuam tshuam rau seb cov kua dej ua haujlwm zoo li lub qhov lossis ua raws li cov dej ntws turbulent. Cov phosphate slurries feem ntau qhia txog cov khoom tsis yog Newtonian, pseudoplastic, lossis Bingham yas, nrog rau viscosity nce thaum cov khoom khov nce. Kev ntsuas qhov viscosity slurry raug siv cov ntsuas viscosity online lossis cov kab ke tshwj xeeb, xws li cov ntsuas viscosity online zoo tshaj plaws rau slurry, yog qhov tseem ceeb rau kev tswj hwm kev thauj mus los ruaj khov thiab kwv yees kev hloov kho ua haujlwm.
Qhov ceev ntawm cov slurry, uas yog ib qho kev ua haujlwm ntawm qhov concentration ntawm cov khoom uas raug tshem tawm, hloov pauv qhov siab poob raws cov kav dej, cuam tshuam rau kev siv zog thiab kev ruaj khov ntawm kev thauj mus los. Yog tias tsis saib xyuas qhov ceev, qhov kev hloov pauv ntawm qhov ceev, tuaj yeem ua rau muaj kev hloov pauv ntawm cov txheej txheem ntws thiab ua rau muaj kev pheej hmoo ntawm kev tso dej ntau ntxiv. Cov ntsuas qhov ceev ntawm cov kua dej hauv online, suav nrog cov uas cov tuam txhab tsim cov ntsuas qhov ceev hauv online, muab cov ntaub ntawv qhia txog qhov ceev tiag tiag, pab tswj kev sib npaug ntawm lub cev.
Qhov loj thiab kev faib tawm ntawm cov khoom me me uas raug tshem tawm kuj tseem ua lub luag haujlwm tseem ceeb. Cov khoom me me loj dua lossis cov khoom me me uas raug faib tawm dav dav ua rau muaj kev pheej hmoo ntawm kev poob qis, tshwj xeeb tshaj yog nyob rau hauv cov ntu uas muaj qhov ceev qis lossis kev hloov pauv ntawm txoj kab uas hla ntawm cov kav dej. Cov txheej txheem ntsuas qhov loj ntawm cov khoom me me uas raug tshem tawm ua kom ntseeg tau tias qhov kev faib tawm ntawm cov khoom me me tseem nyob hauv qhov kev ua haujlwm nyab xeeb, txhawb kev tswj hwm cov khoom me me uas raug tshem tawm hauv cov slurry thiab txo qis kev pheej hmoo ntawm kev tso dej.
Cov qauv tsim ntawm cov kav dej - txoj kab uas hla, qhov ntxhib sab hauv, thiab txoj kev tag nrho - cuam tshuam rau kev ruaj khov ntawm cov dej ntws thiab kev thauj mus los zoo. Kev nce txoj kab uas hla ntawm cov kav dej ua rau qhov ceev ntawm qhov dej ntws qis dua, ua rau muaj kev pheej hmoo ntawm kev poob qis tshwj tsis yog tias muaj kev nrawm dua ntawm cov twj tso kua mis. Qhov ntxhib sab hauv siab lossis qhov nkhaus ntse ua rau muaj kev co, uas yuav pab rov qab los rau hauv zos tab sis kuj tuaj yeem txhawb kev tsim eddy thiab kev poob qis hauv zos, ua rau muaj kev xav tau zog thiab kev saib xyuas ntau ntxiv.
Kev Tiv Thaiv Kev Tsim Kho Slurry thiab Kev Txhaws Pipeline
Qhov kev sib sau ua ke ntawm cov slurry thiab cov kav dej txhaws feem ntau tshwm sim thaum cov kua dej ntws qis dua qhov tseem ceeb ntawm cov khoom khov. Qhov no ua rau cov khoom khov sib sau ua ke rau hauv qab ntawm cov kav dej, tsim cov txaj pw lossis cov slugs uas txwv lossis thaiv kev ntws. Cov khoom me me sib sau ua ke - qhov twg cov khoom khov me me sib sau ua ke vim yog electrostatic lossis tshuaj lom neeg sib cuam tshuam - tuaj yeem ua rau kev sib sau ua ke sai dua, tshwj xeeb tshaj yog thaum muaj cov tshuaj ntxiv lossis cov ntsiab lus dolomite ntau.
Cov txheej txheem kev sib sau ua ke thiab kev sib haum xeeb tsis yog tsuas yog cuam tshuam los ntawm qhov ceev xwb, tab sis kuj los ntawm qhov loj me ntawm cov khoom me me, cov duab, thiab qhov ceev. Cov khoom siv av nplaum lossis cov khoom me me uas muaj cov khoom me me yuav yooj yim rau kev sib sau ua ke "zoo li gel", thaum cov khoom siv uas muaj cov khoom sib xyaw lossis loj dua tuaj yeem sib haum xeeb tsis sib xws, tsim cov txheej txheem raws cov yeeb nkab. Kev txo qis hauv zos ntawm qhov kub thiab txias kuj tseem tuaj yeem ua rau cov khoom siv viscosity ntau ntxiv, txhawb kom txhaws, tshwj xeeb tshaj yog ntawm cov yeeb nkab khoov lossis cov qhov dej.
Cov kev tshuaj xyuas qhov rhiab heev tsis ntev los no siv cov kev tsis sib haum xeeb dav dav qhia tau hais tias qhov ceev thiab qhov loj ntawm cov khoom me me yog cov tseem ceeb ntawm kev sib haum xeeb thiab kev thauj mus los. Cov yam no yuav tsum tau saib xyuas tas li thiab tswj hwm kom muaj kev ua haujlwm zoo hauv cov kav dej. Cov cuab yeej inline—xws li cov ntsuas viscosity online thiab cov ntsuas qhov loj ntawm cov khoom me me inline—muab cov ntaub ntawv ua tau rau kev hloov kho kev ua haujlwm, xws li kev nce qhov ceev ntawm lub twj tso kua mis lossis cov neeg sawv cev dispersant thaum pom cov qauv tsis zoo.
Cov kev tsim kho tshiab suav nrog cov txheej txheem kav dej siab heev tau tsim los txo qhov kev sib txuas thiab txo cov ciam teb uas cov khoom me me tuaj yeem sib sau ua ke, txhawb nqa cov tswv yim tiv thaiv kev txhaws ntawm cov kav dej. Kev teeb tsa thiab cov sijhawm ua haujlwm ntawm cov kav dej kuj yuav tsum suav nrog lub sijhawm uas cov dej ntws tsawg dua, vim tias txawm tias lub sijhawm luv luv hauv qab qhov ceev tseem ceeb tuaj yeem pib tsim cov txaj sai.
Cov Txheej Txheem Xam thiab Kev Tshawb Fawb rau Kev Txhim Kho Kev Nqus Dej
Kev ua kom cov dej phosphate slurry zoo tshaj plaws yuav tsum nkag siab zoo thiab tswj hwm ntau yam kev ntsuas sib txuas lus nyob rau hauv qhov xwm txheej tsis paub meej. Kev tshuaj xyuas kev nkag siab thoob ntiaj teb (GSA) siv polynomial chaos expansions (PCE) tau tshwm sim los ua ib txoj hauv kev tseem ceeb rau kev ntsuas seb qhov tsis paub meej hauv cov hloov pauv nkag - xws li cov hlau mineralogy, qhov loj me ntawm cov khoom me me, lossis cov khoom slurry raws caij nyoog - cuam tshuam li cas rau cov ntsuas kev thauj mus los tseem ceeb xws li kev poob siab, qhov ceev, thiab kev pheej hmoo ntawm kev poob.
GSA qhia tau hais tias, thoob plaws ntau yam kev sib xyaw ua ke ntawm cov phosphate slurry thiab cov txheej txheem teeb tsa, qhov ceev thiab qhov loj ntawm cov khoom me me yog qhov cuam tshuam tshaj plaws; yog li, kev tsom mus rau kev ua haujlwm yuav tsum muab qhov tseem ceeb rau lawv qhov kev ntsuam xyuas thiab kev tswj hwm. Qhov ceev thiab viscosity tseem ceeb rau kev suav ciam teb, pab cov neeg teb xov tooj teeb tsa lub qhov rais ua haujlwm rau kev nyab xeeb thiab ua haujlwm tau zoo.
Kev siv computer los ua qauv, tshwj xeeb tshaj yog nrog kev sib cais orthogonal thiab PCE-based surrogate modeling, ua rau muaj kev ua qauv zoo thiab kev ua kom zoo dua. Cov qauv txo qis no rov ua cov yam ntxwv tseem ceeb ntawm kev ua qauv CFD siab nrog kev tig rov qab luv luv, txhawb kev txiav txim siab sai rau kev hloov kho cov txheej txheem thiab kev tsim cov kav dej.
Cov txheej txheem kev tshuaj xyuas no tau lees paub raws li cov ntaub ntawv tiag tiag: kev ntsuas qhov ntsuas ntawm qhov ntws, qhov poob ntawm lub taub hau, thiab cov xwm txheej tso tawm tau koom ua ke rau hauv kev ntsuas tus qauv thiab kev txhim kho tas mus li. Los ntawm kev sib txuas cov sensors siab heev (xws li Lonnmeter online viscosity thiab density analyzers) nrog rau kev ua qauv dynamic, cov neeg teb xov tooj tuaj yeem siv cov tswv yim slurry flow optimization uas teb tau raws li kev hloov pauv hauv qib ore, kev faib tawm qhov loj me, thiab cov xwm txheej ib puag ncig.
Cov Txuj Ci Ntsuas thiab Kev Saib Xyuas Qib Siab
Qhov Tseem Ceeb ntawm Kev Soj Ntsuam Cov Khoom Siv Slurry Tiag Tiag
Muaj tseeb,kev ntsuas qhov ceev tas mus lithiabviscosityyog qhov tseem ceeb rau kev thauj cov phosphate slurry thiab desulfurization thiab dephosphorization zoo. Kev saib xyuas lub sijhawm tiag tiag ua rau muaj kev hloov kho tam sim ntawd ntawm cov txheej txheem los teb rau kev hloov pauv ntawm cov yam ntxwv slurry. Kev tswj hwm cov txheej txheem no ua ntej txo qis lub sijhawm tsis tau npaj tseg uas tshwm sim los ntawm kev sib tsoo thiab cov kav dej txhaws - cov teeb meem feem ntau hauv cov kav dej phosphate slurry.
Cov ntaub ntawv txuas ntxiv ntawm qhov ceev ntawm cov slurry thiab viscosity pab cov neeg ua haujlwm tam sim ntawd paub txog qhov sib txawv uas qhia txog kev pheej hmoo ntawm cov khoom me me lossis thaiv. Piv txwv li, yog tias pom muaj qhov nce siab hauv viscosity lossis density, cov nqi ntws tuaj yeem hloov kho, lossis kev siv tshuaj kom zoo dua los kho cov kev thauj mus los hauv cov kav dej kom zoo. Kev saib xyuas tas li kuj txhawb nqa cov txheej txheem tiv thaiv kev sib sau ua ke ntawm cov slurry, uas tso cai rau cov neeg ua haujlwm cuam tshuam ua ntej cov khoom khov pib sib sau ua ke thiab tsim cov khoom tso.
Kev tswj kom cov slurry viscosity thiab cov khoom me me uas raug tshem tawm yog qhov tseem ceeb heev rau kev tiv thaiv kev ntws tsis zoo. Kev nqis peev hauv cov thev naus laus zis ntsuas online txhais tau tias yuav ua rau cov kav dej ntws zoo dua, kev thauj mus los zoo dua, thiab txo cov nqi kho.
Cov Ntsuas Qhov Ceev thiab Cov Ntsuas Viscosity Hauv Online
Cov Ntsiab Cai Ua Haujlwm ntawm Cov Ntsuas Qhov Ceev Hauv Online
Cov ntsuas dej ntws hauv online, xws li Coriolis vibrating tube meters, yog tus qauv kev lag luam rau kev ntsuas qhov ceev tas mus li hauv cov kav dej slurry. Cov khoom siv no ua haujlwm los ntawm kev hla cov slurry dhau los ntawm lub raj vibrating; kev hloov pauv hauv theem kev co lossis zaus, uas tshwm sim los ntawm cov slurry qhov loj ntws, raug kuaj pom thiab ua tiav kom tau txais cov ntawv nyeem ceev tiag tiag. Cov ntsuas niaj hnub siv cov electromagnetic actuation lossis piezo excitation los txhawb cov raj oscillations.
Cov ntsiab lus tseem ceeb ntawm kev teeb tsa suav nrog cov chaw nyob hauv cov kab loj ntawm kev thauj cov kua dej thiab ze ntawm cov qhov tseem ceeb lossis cov khoov - qhov chaw uas muaj kev pheej hmoo siab dua ntawm kev sib tsoo lossis kev cuam tshuam ntawm cov dej ntws. Rau kev ua haujlwm zoo tshaj plaws, cov sensors yuav tsum tau muab tso rau hauv cov dej ntws thiab taw qhia rau cov qauv ntawm cov dej ntws sib xyaw zoo, txo qhov yuam kev los ntawm kev faib cov khoom sib txawv.
Cov kev ntsuas tseem ceeb rau kev xaiv lub 'meter' muaj xws li:
- Kev ntsuas kub thiab siab,
- Kev tiv thaiv kev txhuam ntawm cov khoom ntub dej,
- Muaj peev xwm tswj tau cov khoom khov siab,
- Tsawg kawg nkaus kev cuam tshuam rau fouling lossis txheej los ntawm cov khoom me me.
Cov Nta thiab Cov Qauv Xaiv rau Cov Ntsuas Qhov Ceev Hauv Online Robust
Kev ruaj khov yog qhov tseem ceeb rau kev pabcuam phosphate slurry. Xaiv cov qauv, xws li Lonnmeter, muaj cov raj sensor uas tsis yooj yim puas, kev tsim kho kom ruaj khov, thiab kev ua cov teeb liab siab heev los them rau qhov sib txawv ntawm qhov loj me ntawm cov khoom me me. Nrhiav cov qauv tsim uas tsis txav mus los kom txo qhov hnav, thiab cov taub hau sensor ua los ntawm cov ntaub ntawv xws li duplex stainless hlau lossis ceramics.
Cov yam ntxwv tseem ceeb muaj xws li:
- Lub sijhawm teb sai (nyiam dua li ob vib nas this),
- Kev nkag mus rau kev kho kom yooj yim,
- Kev sib koom ua ke digital nrog cov nroj tsuag SCADA lossis PLC systems,
- Kev sau cov ntaub ntawv tiag tiag.
Cov ntsuas uas nyiam siv tau rau ntau qhov kev taw qhia, muaj qhov siab poob qis tsawg kawg nkaus, thiab ua pov thawj tias tsis kam rau qhov scaling. Kev siv cov txheej txheem ntsuas uas tsis yog nuclear xws li ultrasonic lossis electromagnetic density meters tau nyiam siv ntau dua rau kev nyab xeeb hauv kev ua haujlwm thiab kev cai lij choj.
Cov Kev Cai Ntsuas rau Kev Ntsuas Viscosity ntawm Slurry uas Siv Tau Sai
Kev ntsuas qhov viscosity ntawm cov slurrynyob rau lub sijhawm tiag tiag yog qhov nyuaj vim yog qhov tsis yog Newtonian, heterogeneous xwm ntawm phosphate slurries. Online viscosity meters yuav tsum tiv taus cov xwm txheej abrasive thiab tiv thaiv kev tsim khoom lossis kev thaiv. Rotational lossis vibrational inline viscometers, ntsia ncaj qha rau hauv cov kav dej, muab cov lus teb nyob rau hauv viscosity hloov pauv raws li kev ua haujlwm hloov pauv.
Piv rau cov txheej txheem offline—qhov twg cov qauv raug rho tawm tes thiab ntsuas hauv chav kuaj rheometers—online viscosity meters muab kev saib xyuas tsis tu ncua thiab txhawb nqa kev ua kom zoo dua qub. Lub peev xwm no yog qhov tseem ceeb hauv kev kho cov nqi ntws, cov tshuaj ntxiv, thiab kev sib xyaw ua ke kom tswj tau kev thauj mus los ntawm cov slurry thiab txo qhov kev thaiv.
Cov kev coj ua zoo tshaj plaws hauv kev ntsuas viscosity slurry yuav tsum muaj:
- Cov ntaub ntawv sensor uas tiv taus kev hnav siab,
- Kev tsim kho uas zam cov cheeb tsam tuag lossis cov chav nyob,
- Cov txheej txheem calibration suav nrog kev hloov pauv cov khoom khov thiab cov txheej txheem ntws.
Kev xaiv cov ntsuas qhov ceev thiab viscosity online uas tsim nyog - thiab cov chaw tsim khoom zoo - cuam tshuam ncaj qha rau lub peev xwm los tswj cov yam ntxwv ntawm phosphate slurry, txo qhov kev txhaws ntawm cov kav dej, txhawb kev thauj mus los slurry, thiab xa cov khoom zoo sib xws thoob plaws hauv kev ua haujlwm ntawm cov kav dej.
Kev Tshawb Fawb Phosphate
*
Cov Tswv Yim Txhim Kho Cov Txheej Txheem rau Kev Tswj Xyuas Slurry
Kev Sib Koom Tes Cov Ntaub Ntawv Ntsuas rau hauv Kev Tswj Xyuas Txheej Txheem
Kev sib koom ua ke ntawm cov ntaub ntawv ntsuas lub sijhawm tiag tiag yog qhov tseem ceeb rau kev ua kom zoo dua ntawm cov txheej txheem tswj kev siv slurry.Cov ntsuas qhov ceev hauv onlinethiabCov ntsuas viscosity online—xws li cov uas Lonnmeter muab—muab kev nyeem ntawv tsis tu ncua, siab zaus ntawm cov slurry density, viscosity, thiab particle dynamics ncaj qha rau hauv cov kav dej. Los ntawm kev muab cov sensors no tso rau hauv cov kab ua haujlwm, cov chaw ua haujlwm tswj tau cov slurry zoo tshaj plaws thiab teb rau cov kev hloov pauv tam sim ntawd.
Cov voj voog teb rov qab tsis siv neeg txuas cov ntsuas online no rau cov txheej txheem tswj cov txheej txheem. Thaum pom qhov sib txawv - piv txwv li, qhov nce ntawm cov kua nplaum viscosity lossis qhov ceev poob qhia txog kev dilution ntau dhau - lub voj voog teb rov qab ua rau muaj kev kho kom raug. Cov no yuav suav nrog kev kho cov dej lossis cov khoom noj khov, nce kev sib xyaw, lossis hloov cov tshuaj. Txoj hauv kev no txo kev vam khom rau kev kuaj tes thiab kev kuaj mob tsis tu ncua, uas feem ntau tsis pom qhov kev hloov pauv sai ntawm cov txheej txheem.
Cov ntsuas online tiv thaiv kev txhaws ntawm cov kav dej thiab kev pheej hmoo ntawm kev tso dej los ntawm kev ua kom muaj kev hloov kho dynamic. Piv txwv li, kev tswj qhov ceev ntawm cov slurry tsawg kawg nkaus yog qhov tseem ceeb; cov sensors tuaj yeem xa cov twj tso kua mis kom nce qhov ntws yog tias qhov ceev poob qis dua qhov txwv uas muaj kev pheej hmoo. Cov qauv suav lej tau lees paub hauv kev thauj mus los phosphate slurry loj qhia tau tias cov lus teb tiag tiag raws li cov ntsuas ntsuas, xws li qhov loj me ntawm cov khoom me me thiab qhov ceev ntawm slurry, ua kom zoo dua kev siv zog thiab tiv thaiv kev thaiv. Kev tswj hwm los ntawm cov ntaub ntawv no txo cov khoom poob, tiv thaiv kev kaw cov kav dej, thiab txo qis kev siv zog, tshwj xeeb tshaj yog nyob rau hauv cov chaw muaj txiaj ntsig zoo li cov chaw ua phosphate thiab cov kav dej thauj cov ntxhia.
Cov Kev Xyaum Zoo Tshaj Plaws rau Kev Npaj thiab Kev Tswj Xyuas Slurry
Kev tswj cov slurry concentration, particle dispersion, thiab suspension stability pib thaum lub sijhawm npaj. Yuav kom tswj tau qhov sib npaug thiab tiv thaiv kom tsis txhob poob ua ntej lub sijhawm, cov kev coj ua zoo tshaj plaws hauv kev lag luam suav nrog:
- Kev ntsuas thiab kev faib cov khoom khov kho kom raug siv cov khoom noj volumetric lossis gravimetric ua ke nrog kev sib xyaw ua ke thawj zaug.
- Kev siv cov tshuaj dispersants lossis cov neeg sawv cev tiv thaiv kev sib sau ua ke. Cov tshuaj stabilizers polymer nano-grafted, xws li acrylamide-SiO₂ copolymers, muab cov khoom me me uas zoo dua thaum kub siab thiab ua haujlwm ntev dua.
Kev sib xyaw tas mus li yog qhov tseem ceeb heev—cov thoob dej ntsug nrog cov impellers axial flow, txhawb nqa los ntawm cov baffles sab hauv, ua kom muaj kev sib xyaw kom huv si thiab txo cov cheeb tsam tuag uas cov khoom me me tuaj yeem poob. Qhov ceev ntawm kev sib xyaw thiab qhov loj ntawm impeller raug xaiv los sib phim cov viscosity ntawm slurry thiab qhov loj ntawm cov khoom me me; kev sib xyaw ntau dhau yuav ua rau kub dhau, yog li cov txheej txheem feem ntau siv kev sib xyaw maj mam thaum tuav.
Cov txheej txheem tiv thaiv kev sib sau ua ke hauv kev lag luam yuav ntxiv cov kev co tshuab nrog cov voj voog ncig lossis cov sijhawm rov ua dua tshiab. Rau kev ruaj khov mus sij hawm ntev, cov chaw ua haujlwm yuav suav nrog kev ruaj khov steric lossis electrostatic, siv cov polymers lossis surfactants los tsim cov teeb meem nyob ib puag ncig cov khoom me me. Qhov no txo cov kev sib sau ua ke thiab txhim kho cov yam ntxwv ntws, ua rau kev thauj mus los ntawm cov kav dej zoo dua thiab cov khoom tiav lawm zoo sib xws.
Kev ntsuas qhov loj ntawm cov khoom me me uas raug tshem tawm los ntawm cov khoom siv online ua kom muaj kev tswj hwm kev faib tawm qhov loj ntawm cov khoom me me - qhov tseem ceeb hauv kev tswj hwm qhov viscosity, kev hnav, thiab kev pheej hmoo ntawm kev sib xyaw. Kev nyeem ntawv online qhia txog kev hloov kho sib xyaw kom khaws cov khoom me me uas raug tshem tawm thaum txav mus los, tiv thaiv ob qho tib si kev sib xyaw me me thiab kev thaiv cov kav dej.
Piv txwv li: Hauv kev thauj cov phosphate slurry, kev sib xyaw ua ke ntawm kev sib xyaw tas mus li, cov tshuaj ntxiv rau lub hom phiaj, thiab kev saib xyuas lub sijhawm tiag tiag tau txo qis cov xwm txheej kev sib tsoo thiab kev poob zog ntawm cov kav dej, thaum lav qhov xav tau cov yam ntxwv slurry los ntawm lub Hoobkas mus rau qhov chaw xa khoom.
Kev mloog zoo rau cov tswv yim no—kev sib xyaw ua ke ntawm kev ntsuas lub sijhawm tiag tiag, kev tawm tswv yim tsis siv neeg, kev sib xyaw kom raug, thiab kev ruaj khov—ua rau kom cov dej ntws zoo dua, txo cov teeb meem kev thauj mus los ntawm kev lag luam, thiab kev tiv thaiv kev cuam tshuam ntawm cov txheej txheem.
Xaus lus
Kev tswj hwm zoo tshaj plaws ntawm cov phosphate slurry yog qhov tseem ceeb rau kev vam meej ntawm cov txheej txheem desulfurization thiab dephosphorization nrog rau kev thauj mus los ntawm cov kav dej zoo. Kev sib raug zoo ntawm cov khoom siv lub cev slurry - xws li viscosity, kev faib tawm ntawm cov khoom me me, thiab tus cwj pwm rheological - thiab kev ua haujlwm zoo txhais tau tias txawm tias qhov sib txawv me me tuaj yeem cuam tshuam loj heev rau kev tshem tawm cov khoom tsis huv thiab cov khoom ntws. Piv txwv li, cov slurry viscosity siab dua vim yog cov khoom me me lossis cov khoom khov ntau ntxiv tuaj yeem txo qhov ua tau zoo ntawm SO₂ lossis phosphorus extraction los ntawm kev cuam tshuam kev sib cuam tshuam ntawm reagent thiab kev hloov pauv loj, thaum tseem ua rau muaj qhov tshwm sim ntawm cov kav dej txhaws thiab teeb meem kev daws teeb meem.
Cov Lus Nug Feem Ntau (FAQs)
Lub luag haujlwm ntawm qhov loj ntawm cov khoom me me hauv kev thauj mus los ntawm phosphate slurry yog dab tsi?
Qhov loj ntawm cov khoom me me yog qhov tseem ceeb uas tswj tau cov yam ntxwv ntawm cov phosphate slurry thaum lub sijhawm thauj mus los hauv cov kav dej. Cov khoom me me pab tsim cov dej uas ruaj khov dua, txo qhov kev pheej hmoo ntawm kev sib tsoo thiab txhawb nqa kev ntws mus tas li. Txawm li cas los xij, thaum cov khoom me me zuj zus, cov dej slurry viscosity nce ntxiv; qhov no tuaj yeem ua rau muaj kev xav tau zog ntau dua rau kev twj thiab muaj kev pheej hmoo ntawm kev thaiv.
Feem ntau cov khoom me me loj dua ua rau cov dej khov sai dua thiab poob kev sib txhuam ntau dua, ua rau cov kav dej txhaws thiab hnav ntau dhau. Kev faib tawm qhov loj me ntawm cov khoom me me (PSD) - feem ntau ua tiav los ntawm kev sib xyaw cov khoom me me thiab cov khoom loj - ua rau muaj kev sib npaug los ntawm kev txo cov viscosity thiab kev ntxhov siab. Qhov no txo qhov xav tau lub zog ntawm cov kav dej thiab kev pheej hmoo ntawm kev txhaws, thaum pab khaws cov khoom khov kom nyob hauv kev ncua ntev dua, uas yog qhov tseem ceeb rau kev ua haujlwm ntawm cov dej ntws hauv cov kav dej thiab kev txhim kho kev thauj mus los ntawm cov dej ntws.
Kev ntsuas thiab tswj xyuas qhov loj ntawm cov khoom me me uas raug tshem tawm, feem ntau yog siv cov thev naus laus zis online lossis at-line, txhawb nqa kev ua haujlwm zoo dua thiab kev thauj mus los ntawm cov kav dej kom zoo dua. Kev tshawb fawb txog kev sim thiab kev sim hauv chaw kuaj mob ob qho tib si lees paub: kev khaws PSD kom nyob rau hauv cov hom phiaj tiv thaiv cov teeb meem kev ua haujlwm thiab ua kom cov nqi tswj tau.
Cov ntsuas dej ntws hauv online pab txhawb rau kev ua haujlwm ntawm cov kav dej li cas?
Cov ntsuas dej ntws hauv online, xws li cov uas Lonnmeter tsim, muab kev ntsuas dej ntws tas mus li hauv cov kav dej. Cov kev nyeem ntawv tam sim no tso cai rau cov neeg teb xov tooj hloov kho cov nqi ntws, cov khoom khov, lossis cov dej kom sai sai kom tswj tau qhov zoo tshaj plaws rau kev thauj cov slurry.
Kev hloov kho raws sijhawm—ua raws li cov ntaub ntawv qhia txog qhov ceev—txo qhov kev pheej hmoo ntawm cov kav dej sib tsoo, pab kom ua tiav cov kev sib sau ua ke, thiab tiv thaiv kev puas tsuaj lossis kev thaiv tsis tsim nyog. Kev saib xyuas tas mus li siv lub ntsuas qhov ceev ntawm cov kua dej online uas ntseeg tau tso cai rau kev kho kom zoo ntawm cov txheej txheem, uas txo cov kev saib xyuas tsis tau npaj tseg thiab kev siv zog, thiab ua kom muaj txiaj ntsig zoo tshaj plaws ntawm kev ntws cov kua dej hauv cov kav dej. Cov sensors tsis nkag mus rau hauv cov kav dej, tshwj xeeb tshaj yog cov uas siv cov ultrasonic lossis accelerometer-based principles, muab kev ua haujlwm ntev txawm tias nyob rau hauv cov ntawv thov phosphate slurry uas nyuaj thiab abrasive.
Yam dab tsi ua rau cov kav dej txhaws thaum lub sijhawm thauj cov phosphate slurry?
Muaj ntau yam ua rau cov kav dej txhaws:
- Cov viscosity ntawm cov slurry ntau dhau, uas cuam tshuam kev ntws.
- Kev faib tawm ntawm cov khoom me me tsis raug, ua rau cov khoom me me sai sai.
- Qhov ceev tsis txaus, ua rau cov khoom khov kho sib sau ua ke thiab sib zog.
- Kev sib tov lossis kev sib xyaw tsis txaus, uas ua rau cov khoom me me poob tawm ntawm cov tshuaj.
Yuav kom txo lossis tiv thaiv kev txhaws, kev saib xyuas lub sijhawm tiag tiag ua ke nrog kev tswj hwm qhov ceev ntawm cov slurry, viscosity, thiab qhov loj ntawm cov khoom me me yog qhov tseem ceeb heev. Cov cuab yeej thiab cov txheej txheem siab heev - xws li siv lub ntsuas qhov ceev ntawm cov kua dej online rau kev nkag siab lub sijhawm tiag tiag thiab kev hloov kho cov txheej txheem tsis siv neeg - tuaj yeem txo qhov tsis ua haujlwm thiab kev saib xyuas uas cuam tshuam nrog kev txhaws.
Kev ntsuas viscosity ntawm cov slurry pab tiv thaiv kev sib sau ua ke li cas?
Kev ntsuas qhov viscosity ntawm cov slurry uas ruaj khov muab cov lus teb tam sim ntawd rau tus cwj pwm ntws slurry. Viscosity siab yuav qhia tau tias cov khoom khov ntau dhau lossis kev sib tov tsis zoo, ob qho tib si ua rau muaj kev pheej hmoo ntawm kev sib xyaw. Viscosity qis tuaj yeem qhia txog kev dilution ntau dhau, txo qis kev ua haujlwm.
Cov ntsuas viscosity online zoo tshaj plaws rau cov slurry muab kev nyeem ntawv tas mus li, hauv cov txheej txheem, yog li cov neeg teb xov tooj tuaj yeem cuam tshuam tam sim ntawd - kho cov khoom khov, sib tov tus nqi, lossis ntxiv dej. Kev tswj hwm qhov viscosity kom raug ua kom cov slurry tseem tuaj yeem twj tau thiab txo qhov sib cais ntawm cov khoom khov thiab kua. Qhov no yog qhov tseem ceeb rau kev tiv thaiv kev sib sau ua ke thiab ua tiav cov qauv tswj qhov loj me ntawm cov khoom uas raug tshem tawm uas phim cov hom phiaj ua haujlwm.
Yuav tsum nrhiav dab tsi hauv cov chaw tsim khoom ntsuas qhov ceev hauv online rau cov ntawv thov phosphate slurry?
Rau cov phosphate slurry, qhov kev ntseeg tau ntawm lub meter thiab qhov ruaj khov yog qhov tseem ceeb. Thaum ntsuam xyuas cov chaw tsim khoom ntawm cov density meter online, qhov tseem ceeb tshaj plaws yog:
- Cov sensors uas tiv taus kev sib txhuam: Cov phosphate slurry yog cov khoom siv hnyav; cov meters yuav tsum tiv taus kev raug tshuaj lom tas mus li.
- Kev tsim kho kom ruaj khov: Cov cuab yeej yuav tsum tswj hwm cov khoom khov kho, cov dej ntws ntau, thiab feem ntau yog cov chaw muaj xeb.
- Kev ntsuas thev naus laus zis: Cov txheej txheem tsis siv tshuaj lom neeg, tsis siv nuclear (ultrasonic, accelerometer-based) yog qhov zoo dua rau kev nyab xeeb thiab kev saib xyuas.
- Kev txhawb nqa uas tau lees paub: Kev ntsuas qhov tseeb thiab kev pab cuam sai yog qhov tseem ceeb, tshwj xeeb tshaj yog nyob rau hauv cov chaw uas lub sijhawm tsis ua haujlwm kim heev.
- Cov ntaub ntawv keeb kwm: Xaiv cov neeg muag khoom uas muaj kev ua tau zoo hauv cov khoom siv abrasive slurry, xws li Lonnmeter, uas tshwj xeeb hauv cov chaw ua haujlwm uas muaj cov khoom seem thiab muab kev txhawb nqa dav rau cov ntawv thov slurry.
Vim li cas desulfurization thiab dephosphorization thiaj li tseem ceeb hauv kev ua cov phosphate slurry?
Desulfurization thiab dephosphorization yog cov txheej txheem tseem ceeb thaum lub sijhawm ua cov phosphate slurry. Lawv tshem tawm cov sulfur thiab phosphorus compounds ntau dhau uas yuav ua rau cov khoom kawg tsis zoo lossis tsim kev lav phib xaub rau ib puag ncig.
Kev tshem tawm cov sulfur thiab phosphate zoo ua kom cov khoom tsim tau raws li cov lus qhia zoo rau cov chiv lossis lwm yam kev siv hauv kev lag luam thiab ua raws li cov cai ib puag ncig. Qhov no pab txo qhov xeb hauv qab, fouling, thiab kev cuam tshuam rau ib puag ncig los ntawm cov dej ntws. Kev tswj cov khoom tsis huv no yog qhov tseem ceeb rau kev ua haujlwm ruaj khov thiab kev pom zoo los ntawm cov cai hauv kev khawb phosphate thiab kev tsim tshuaj.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-28-2025
