1. Cov hmoov putty qhuav sai sai
Lus Teb: Qhov no feem ntau yog cuam tshuam nrog kev ntxiv cov tshauv calcium thiab qhov ceev ntawm cov fiber, thiab kuj cuam tshuam nrog qhov qhuav ntawm phab ntsa.
2. Cov hmoov putty tev tawm thiab dov
Lus Teb: Qhov no muaj feem cuam tshuam nrog tus nqi khaws dej, uas yooj yim tshwm sim thaum qhov viscosity ntawm cellulose qis lossis qhov ntau ntxiv yog me me.
3. Putty hmoov de-powdering
Lus Teb: Qhov no muaj feem cuam tshuam nrog qhov ntau ntawm cov tshauv calcium ntxiv, thiab nws kuj muaj feem cuam tshuam nrog qhov ntau thiab zoo ntawm cellulose ntxiv. Nws pom tau hauv qhov ceev ntawm cov khoom. Qhov ceev ntawm cov dej khaws cia yog qis thiab lub sijhawm hydration ntawm tshauv calcium tsis txaus.
4. Putty hmoov ua npuas ncauj
Lus Teb: Qhov no muaj feem cuam tshuam rau qhov av noo qhuav thiab qhov tiaj tiaj ntawm phab ntsa, thiab nws kuj muaj feem cuam tshuam rau kev tsim kho.
5. Cov ntsiab lus tshwm sim hauv cov hmoov putty
Lus Teb: Qhov no muaj feem cuam tshuam nrog cellulose, uas muaj cov khoom tsis zoo uas tsim cov zaj duab xis, thiab tseem muaj cov khoom tsis huv hauv cellulose ua rau me ntsis nrog cov tshauv calcium. Yog tias qhov kev ua xua hnyav, cov hmoov putty yuav nyob rau hauv lub xeev ntawm cov taum pauv curd residue. Nws tsis tuaj yeem muab tso rau ntawm phab ntsa, thiab nws tsis muaj lub zog sib koom ua ke tib lub sijhawm. Tsis tas li ntawd, qhov xwm txheej no kuj tshwm sim nrog cov khoom xws li cov pab pawg carboxyl ntxiv rau hauv cellulose.
6. Cov qhov tsua roob hluav taws thiab cov qhov me me tshwm sim
Lus Teb: Qhov no pom tseeb tias muaj feem cuam tshuam nrog qhov dej ntawm qhov dej hydroxypropyl methylcellulose aqueous solution. Qhov dej ntawm lub rooj sib zog ntawm hydroxyethyl aqueous solution tsis pom tseeb. Nws yuav zoo rau kev kho kom tiav.
7. Tom qab cov putty dries, nws yooj yim tawg thiab tig daj
Lus Teb: Qhov no yog hais txog kev ntxiv ntau cov calcium grey. Yog tias ntxiv ntau dhau cov calcium grey, qhov nyuaj ntawm cov hmoov putty yuav nce ntxiv tom qab ziab. Tsuas yog qhov nyuaj thiab tsis muaj kev ywj pheej yuav yooj yim tawg, tshwj xeeb tshaj yog thaum nws raug lub zog sab nraud. Nws kuj yog hais txog cov ntsiab lus siab ntawm calcium oxide hauv calcium grey, uas tau qhia ua ntej.
8. Vim li cas cov hmoov putty thiaj li nyias dua tom qab ntxiv dej?
Lus Teb: Cellulose siv ua ib yam khoom ua kom tuab thiab khaws dej rau ntawm cov putty. Vim yog thixotropy ntawm cellulose nws tus kheej, qhov ntxiv ntawm cellulose hauv cov hmoov putty kuj ua rau thixotropy tom qab ntxiv dej rau hauv cov putty. Qhov thixotropy no yog tshwm sim los ntawm kev puas tsuaj ntawm cov qauv sib xyaw ua ke ntawm cov khoom hauv cov hmoov putty. Cov qauv no tshwm sim thaum so thiab tawg thaum muaj kev ntxhov siab. Uas yog hais tias, qhov viscosity txo qis thaum do, thiab qhov viscosity rov qab los thaum sawv ntsug.
9. Vim li cas cov putty thiaj hnyav thaum lub sijhawm khawb?
Lus Teb: Hauv qhov no, qhov viscosity ntawm cellulose feem ntau siv yog siab dhau. Qee cov chaw tsim khoom siv 200,000 cellulose los ua putty. Cov putty tsim tawm hauv txoj kev no muaj viscosity siab, yog li nws zoo li hnyav thaum khawb. Qhov ntau ntawm cov hmoov putty pom zoo rau phab ntsa sab hauv yog 3-5 kg, thiab viscosity yog 80,000-100,000.
10. Vim li cas cov putty thiab mortar ua los ntawm cellulose nrog tib viscosity zoo li txawv thaum lub caij ntuj no thiab lub caij ntuj sov?
Lus Teb: Vim yog qhov kub ntawm cov khoom, qhov viscosity ntawm cov khoom yuav maj mam txo qis nrog rau qhov kub thiab txias nce. Thaum qhov kub tshaj qhov kub ntawm cov khoom gel, cov khoom yuav raug dej ntws los ntawm dej thiab poob nws cov viscosity. Qhov kub hauv chav tsev feem ntau yog siab dua 30 degrees, uas txawv ntawm qhov kub hauv lub caij ntuj no, yog li qhov viscosity qis dua. Nws raug pom zoo kom xaiv cov khoom uas muaj viscosity siab dua thaum siv cov khoom thaum lub caij ntuj sov, lossis nce cov cellulose, thiab xaiv cov khoom uas muaj qhov kub ntawm cov gel siab dua, sim siv cov khoom MK qib, qhov kub ntawm cov khoom no yog qhov nruab nrab Siab dua 70 degrees. Sim tsis txhob siv methyl cellulose thaum lub caij ntuj sov, nws qhov kub ntawm cov gel yog nyob ib puag ncig 55 degrees,
Lub sijhawm tshaj tawm: Lub Ob Hlis-14-2023