Zinthu za simenti, monga konkriti, matope, ndi zomangira zina zomanga, zimagwiritsidwa ntchito kwambiri mu nyumba zamakono. Cellulose et (monga hydroxypropyl methylcellulose (hpmc), hydroxyelyl (hemc), etc.) ndizowonjezera zomwe zingathe kusintha zinthu za simenti. Kuti mukwaniritse izi zapamwamba, ndikofunikira kwa master ndi kuwongolera magwiridwe antchito a cellulose et.
1. Zoyambira zoyambira ndi ntchito za cellulose et
Cellulose eds ndi gulu la ma cellulose a cellulose, pomwe gulu la hydroxyyl limasinthidwa pang'ono ndi gulu la ether. Mitundu yosiyanasiyana ya cellulose ya celluse ikhoza kuphatikizidwa malinga ndi mtundu ndi nambala ya magantimonts, ndipo mtundu uliwonse umakhala ndi gawo lina pazinthu za simenti.
Makulidwe a cellulose et:
Maonekedwe a cellulose eder amakhudza mwachindunji za rhelogy ndi kukhazikika kwa simenti phala. Mawonekedwe owoneka bwino a cellulose amatha kusintha madzi osungira ndi mphamvu ya phala, koma amatha kuchepetsa madzi ake. Kuzindikira kotsika kwa cellulose kumathandizira kutsegula madzi ndi madzi.
Kuchuluka kwa zolowa m'malo (DS) ndi molar zolowetsa (ms):
Mulingo wa kuloweza ndi molar in cellose etrase etrance amazindikira kusungunuka kwake ndikuwoneka bwino kwa yankho. Mulingo wapamwamba wa zolowa m'malo mwake ndipo molar yokhazikika nthawi zambiri imatha kusintha madzi ndi kukhazikika kwa cellulose et.
Kusungunuka kwa cellulose et:
Kutha kwa chilengedwe ndi kusungunuka kwa cellulose eder kumakhudza kufanana kwa phala la simenti. Te cellulose eds yosungunuka bwino imatha kupanga njira yothetsera yunifolomu mwachangu, potero onetsetsani kuti yunifolomu ndi kukhazikika kwa phala.
2. Sankhani celloulose yabwino
Zochitika zosiyanasiyana zogwiritsira ntchito zimakhala ndi zofunikira zosiyanasiyana pa cellulose et. Kusankha mtundu woyenera ndi kufotokozera kwa ether ether kumatha kusintha magwiridwe antchito a simenti:
Bandeer:
Muzogwiritsa ntchito ngati matayala a tiles ndi maphepo am'manja, ma cellulose apamwamba et (monga HPMC) imatha kupereka zomatira bwino komanso chitontholo chokhalitsa, potengera kukhulupirika komaliza.
Zipangizo zosunga madzi:
Mu zodzikongoletsera zokha komanso zomata za sile zomata, cellulose etrars zidasungitsa madzi (monga hemc) amafunikira. Chitetezo chachikulu chamadzi chimathandiza kupewa kutaya madzi musanalowe m'malo motero, kuwonetsetsa kuti mwachita zinthu mokwanira komanso kugwiritsa ntchito nthawi yayitali.
Zolimbikitsa zolimbikitsa:
Cellulose ede ankakonda kukulitsa mphamvu ya zinthu za simenti amafunika kukhala ndi kubereka bwino komanso ma vionen owoneka bwino kuti athandize kufanana ndi mphamvu ya matrix.
3. Thandizani njira yowonjezera
Kuwongolera njira yowonjezera ya cellulose ethende kupanga zinthu za simenti ndikofunikira kukulitsa luso lake. Izi ndi njira zingapo zongotha kutsanzira:
Njira Yokhazikika:
Sakanizani cellulose ether ndi zida zina zapamwamba pasadakhale. Njirayi imatha kupewa mapangidwe a kuphatikizika kwa cellulose ether ether atalumikizana mwachindunji ndi madzi, potero ndikuwonetsetsa kuti ali ovala yunifolomu.
Njira yosakanikirana:
Onjezani cellulose ether mpaka simenti pang'ono pang'onopang'ono. Njirayi ndi yoyenera pamkhalidwe momwe celluluse ethelose imasunthira mwachangu ndikuthandizira kuyimitsidwa kokhazikika.
Njira Yowonjezera Yowonjezera:
Pokonzekera Slurry Slurry, kuwonjezera ma cellulose ether m'magawo angaonetsetse kugawa kwake mosiyanasiyana njira yokonzekera ndikuchepetsa kuchitika.
4. Onetsetsani zinthu zakunja
Zinthu zakunja monga kutentha, pH yamtengo, komanso kuchuluka kwa zolimbikitsa zimakhudzanso ntchito ya cellulose ether ether ether ether ether ether.
Kuwongolera kutentha:
Kusungunuka ndi kukweza kwa cellulose ether kumathandiza kwambiri kutentha. Kutentha kwambiri kumathandizira kuti ma celluse ether asungunuke mwachangu, komanso angayambitsenso mamasukidwe a njira yochepetsera. Kutentha kuyenera kusinthidwa mogwirizana ndi pulogalamu yapadera yofunsira kuti awonetsetse kugwirira ntchito bwino komanso magwiridwe antchito.
Kusintha kwa Ph: Mtengo wa PH of simenti nthawi zambiri umakhala wambiri wa alkaline, pomwe kusungunuka ndi mamasukidwe a cellulose kusinthasintha ndi kusintha kwa mtengo. Kuwongolera mtengo wa pH mkati mwazoyenera kumatha kukhazikika pakugwiritsa ntchito cellulose ether ether.
Mtengo wosangalatsa: Kukula kosangalatsa kumakhudza kubadwa kwa ma cellulose ether mu phala phala. Mulingo wokwera kwambiri ungayambitse mpweya woyambirira wa Etherse, pomwe pamayendedwe oyambitsa kusintha amathandizira kugawana ndi cellulose ether ether.
5. Kusanthula kwa nkhani ndi malingaliro othandiza
Kupitilira kuwunika kwenikweni, titha kumvetsetsa ntchito ndi njira yobwezera ya cellulose ether zinthu zosiyanasiyana za simenti:
Kumata kwambiri omata: kampani ikamapanga matanda omata kwambiri, zidapezeka kuti kuwongolera kwamadzi kwa chinthu choyambirira sikunali kokwanira, komwe kumapangitsa kuchepa kwambiri pantchito yomanga. Mwa kudziwitsa za hemc-bodc-yosungirako madzi ndikusintha kuchuluka kwake komanso njira yowonjezera (pogwiritsa ntchito njira yolumikizira), kusungidwa kwamadzi ndikulimbika mphamvu kwa zomata za mataile zidasinthidwa bwino.
Zinthu zodzilimbitsa nokha: Zinthu zodzilimbitsa nokha zomwe zimagwiritsidwa ntchito popanga zina zimakhala ndi madzi abwino komanso kulota kwamtundu wosawuka mukamangidwa. Posankha kutsika kwambiri kwa HPMC ndikutha kuwongolera kutentha ndi kutentha kutentha, madzimadzi ndi magwiridwe antchito a slurry amatukuka, ndikupanga pansi pansi.
Kuwongolera magwiridwe antchito a cellulose mu simenti pazinthu za simenti ndiye chinsinsi cha kukonza luso ndi kapangidwe kake. Posankha mtundu woyenera wa etherse, njira yokonza zowonjezera, ndikuwongolera zinthu zakunja, zofunikira zazogulitsa za simenti monga kusungidwa kwamadzi monga kusungidwa kwamadzi, kutsatira, ndi madzi kumatha kukhala bwino kwambiri. Pamapulogalamu othandiza, ndikofunikira kuyang'ana mosalekeza ndikusintha kugwiritsa ntchito ma cellulose motsatira zofunikira zapadera ndi malo ogwiritsira ntchito kuti akwaniritse zabwino.
Post Nthawi: Jun-26-2024