Hauv cov txheej txheem ceramic ntau lawm, lub viscosity ntawm lub ci slurry yog ib qho tseem ceeb heev cuam tshuam, kev sib tw, kev ua kom pom tseeb ntawm lub ntsej muag ci. Txhawm rau kom tau txais cov dab zoo tshaj plaws, nws yog qhov tseem ceeb los xaiv qhov tsim nyogCMC (Carboxymethyl cellulose) raws li tuab tuab. CMC yog lub ntsej muag zoo li qub siv hauv Ceramic ci slurry, nrog cov khoom siv kom zoo, rheological cov khoom thiab ncua.
1. Nkag siab txog qhov viscosity uas xav tau ntawm lub ci slurry
Thaum xaiv CMC, koj yuav tsum tau qhia meej lub viscosity xav tau ntawm lub ci slurry. Cov glazes sib txawv thiab cov txheej txheem ntau lawm muaj cov sib txawv uas yuav tsum muaj rau lub viscazosity ntawm lub ci slurry. Feem ntau hais lus, siab dhau los yog tsawg dhau viscosity ntawm lub ci slurry yuav cuam tshuam rau cov tsuag, txhuam hniav lossis ntsw ntawm lub ci.
Tsis muaj viscosity ci slurry: haum rau txau txheej txheem. Tsis tshua muaj viscosity tuaj yeem paub tseeb tias lub ci ci yuav tsis txhaws rab phom phom thaum txau thiab tuaj yeem tsim cov txheej txheem sib txawv ntau ntxiv.
Nruab nrab viscosity ci slurry: haum rau dipping txheej txheem. Nruab nrab viscosity tuaj yeem ua rau lub ci ayly npog cov khaub ceramic, thiab nws tsis yooj yim rau SAG.
Siab viscosity ci slurry: Haum rau cov txheej txheem txhuam hniav. Siab viscosity ci slurry tuaj yeem nyob rau saum npoo ntev, tsis txhob muaj floty, thiab yog li muab cov ntaub tuab tuab.
Yog li ntawd, kev xaiv ntawm CMC xav tau kom phim cov txheej txheem ntau lawm.
2. Kev sib raug zoo ntawm cov tuab tuab thiab viscosity ntawm cmc
Qhov tuab tuab ntawm kev txhawj xeeb ®cmc feem ntau yog txiav txim los ntawm nws cov roj molecular, qib ntawm carboxymethylation thiab ntxiv cov nyiaj.
Molecular qhov hnyav: lub siab dua cov molecular hnyav ntawm cmc, lub zog nws cov nyhuv tuab. Qhov hnyav dua molecular hnyav tuaj yeem nce viscosity ntawm kev daws teeb meem, kom nws ua cov ntaub qhwv tuab thaum siv. Yog li ntawd, yog tias muaj cov kab mob viscosity ci siab dua, yog qhov hnyav molecular hnyav cmc yuav tsum tau xaiv.
Qib ntawm Carboxymethylation: Qib Siab Qib ntawm Carbinymethylation ntawm CMB, qhov muaj zog nws cov dej solubility, thiab nws tuaj yeem muaj peev xwm ntau dua ntais hauv dej los ua viscosity ntau dua. Hom CMCS muaj cov qib sib txawv ntawm cov carboxymethylation, thiab cov uas haum ntau yam tuaj yeem xaiv raws li cov kev cai ntawm lub ntsej muag ci slurry.
Ib qho ntxiv ntawm CMC yog qhov txhais tau tias txhais tau tias los tswj lub viscosity ntawm lub ci slurry. Ntxiv tsawg Cmc yuav ua rau muaj qhov qis viscosity ntawm lub ntsej muag hauv lub ntsej muag, thaum nce tus nqi ntawm CMC ntxiv yuav ua rau muaj viscosity. Hauv kev tsim khoom tiag tiag, qhov nyiaj ntawm CMC ntxiv yog feem ntau ntawm 0.5% thiab 3%, kho raws li cov kev xav tau.
3. Cov yam cuam tshuam rau kev xaiv ntawm CMC viscosity
Thaum xaiv CMC, qee qhov cuam tshuam lwm yam cuam tshuam yuav tsum tau txiav txim siab:
a. Kev sib xyaw ntawm Glaze
Qhov sib xyaw ntawm lub ntsej muag yuav cuam tshuam ncaj qha rau nws cov kev xav tau viscosity. Piv txwv li, glazes nrog tus nqi loj ntawm cov hmoov nplua kuj yuav xav tau lub thickener nrog kev tawm tsam zoo. GLAZES nrog cov khoom zoo me me tsis tuaj yeem xav tau ntau hom viscosity.
b. Ci ci me me
GLazes nrog cov txiaj ntsig siab dua yuav tsum muaj CMC kom muaj cov khoom zoo dua kom ntseeg tau tias cov khoom zoo tuaj yeem raug tshem tawm cov kua. Yog tias viscosity ntawm cmc yog tsis txaus, cov hmoov zoo yuav ua rau nag lossis ua rau tsis muaj ntsej muag tsis sib xws.
c. Dej hardness
Lub hardness ntawm dej muaj qee yam cuam tshuam rau cov solubility thiab thickening nyhuv ntawm cmc. Lub xub ntiag muaj ntau calcium thiab magnesium ions hauv cov dej nyuaj yuav txo cov nyhuv tuab ntawm cmc thiab txawm ua rau muaj nag lossis daus. Thaum siv dej nyuaj, koj yuav tsum xaiv qee hom CMC los daws cov teeb meem no.
d. Ua Haujlwm Qhov Kub Thiab Vaum
Kev ua haujlwm sib txawv kev ua haujlwm sib txawv thiab cov av noo yuav tseem yuav cuam tshuam rau cov viscosity ntawm CMC. Piv txwv li, hauv kev kub siab ib puag ncig, dej yaj sai dua, thiab tsawg-viscosity cmc yuav xav tau kom tsis txhob muaj ntau dhau ntawm lub ci ntsa iab. Ntawm qhov tsis sib xws, ib puag ncig tsawg-tsawg kuj yuav xav tau lub viscosity cortcosity cm kom ntseeg tau tias qhov ruaj khov thiab fluabity ntawm slurry.
4. Xaiv cov tswv yim thiab kev npaj ntawm CMC
Hauv kev siv tiag tiag, kev xaiv thiab kev xaiv ntawm CMC yuav tsum tau nqa tawm raws li cov kauj ruam hauv qab no:
Kev xaiv ntawm kev txhawj xeeb ®CMC Hom: Ua ntej, xaiv qhov haum CMC ntau yam. Muaj qib viscosity sib txawv ntawm CMC ntawm kev ua lag luam, uas tuaj yeem raug xaiv raws li qhov xav tau viscosity thiab raug muab cov kev txiav txim siab ntawm cov slurry slurry. Piv txwv li, qis molecular hnyav cmc yog qhov haum rau ci slurries, thaum lub siab molecular hnyav cmc yog qhov haum rau glraze slurries uas xav tau siab viscosity.
Kev sim kho cov viscosent: Raws li cov ntsej muag ci ci rau cov kev xav tau, qhov ntau ntawm cmc ntxiv yog sim kho kom haum. Txoj kev sim sim yog kom maj ntxiv CMC thiab ntsuas nws viscosity kom txog thaum xav tau viscirecosity muaj nyob cuag.
Saib xyuas qhov ruaj ntseg ntawm lub ntsej muag ci ntsa iab: Qhov npaj pom ci ntsa iab tau yuav tsum tau sab laug kom sawv ntsug rau ib lub sijhawm los saib nws ruaj khov. Txheeb xyuas cov nag lossis daus, agglomeration, thiab lwm yam yog tias muaj teeb meem, tus nqi lossis hom CMC yuav tsum tau hloov kho.
Kho lwm yam tshuaj ntxiv: thaum sivCmc, Nws tseem tsim nyog los xav txog lwm yam kev sib ntxiv, xws li Dispersants, thiab lwm yam Cov ntxiv no yuav cuam tshuam nrog CMC thiab cuam tshuam nws cov nyhuv tuab. Yog li ntawd, thaum kho kom haum CMC, nws tseem tsim nyog yuav tau them sai sai rau qhov sib piv ntawm lwm cov kev ntxiv ntxiv.
Kev siv CMC hauv Ceramic ci slurry yog ib qho kev ua haujlwm siab, uas yuav tsum muaj kev txiav txim siab, siv ib puag ncig thiab lwm yam ntawm lub ntsej muag ci slurry. Kev xaiv tsim nyog thiab ntxiv ntawm kev ntxhov siab CMC tsis tuaj yeem txhim kho qhov ruaj khov thiab fluabity ntawm lub ci ci slurry, tab sis kuj tseem txhim kho cov iav ci ci kawg. Yog li ntawd, kev ua tsis tu ncua thiab kho cov mis ntawm cmc hauv kev tsim khoom yog tus yuam sij los ua kom muaj txiaj ntsig zoo ntawm cov khoom lag luam ceramic.
Lub Sijhawm Post: Jan-10-2025