Gypsum matope

Pali zoperewera pokonza magwiridwe antchito a gypsum ndi gawo limodzi. Ngati matope a matope gypsum ndikukwaniritsa zotsatira zokhutiritsa ndikumakwaniritsa zofuna kugwiritsa ntchito, ma admictives mankhwala, ma ovomerezeka, ma sewerani ndi zinthu zosiyanasiyana zasintha.

1. Coagulant

Kuwongolera kwa coagulant kumagawidwa makamaka komanso kubisalira. Mu gesso yowuma matope, chinthu chomwe chimagwiritsa ntchito gesso chophika chogwiritsira ntchito kuchedwa kwa combict, gwiritsani ntchito gessdous gesso kapena mankhwala omwe amagwiritsa ntchito GSSONO 2 kuti apange zofunikira kwambiri kulimbikitsa wothandizira.

2. Kubwezera

Powonjezeranso zokopa kwa gypsum zouma zosakanikirana, njira zamagetsi za semi-hydrous gypsum zimalephereka ndipo nthawi yolimba imatenga nthawi yayitali. Mitundu ya hydration ya pulasitala ya gypsum ndi osiyanasiyana, kuphatikiza gawo la plapsim pulasitala, kutentha kwa gypsum zinthu, kukhala bwino kwa tinthu, kudula nthawi ndi mtengo wa chinthu chomaliza. Chilichonse chimakhala ndi mphamvu zambiri pobwezera, ndiye pali kusiyana kwakukulu pakuchepetsa wothandizira mosiyanasiyana. Pakadali pano, kutchuka kwamphamvu kwa gyssum komwe kumakhala protein (ma protein) osungiramo ndalama, ali ndi phindu la mtengo wotsika, nthawi yayitali yopepuka, yotayika yabwino, nthawi yayitali. Pansi pamtundu wa Stuccomo gyplum kukonzekera nthawi zambiri amakhala mu 0.06% ~ 0.15%.

3. Coagulant

Kuthamangitsa nthawi yosangalatsa yopumira ndikuyang'ana kuthamanga kwa slurry ndi chimodzi mwa njira zakuthupi zolimbikitsira mgwirizano. Zovala zamankhwala zomwe zimagwiritsidwanso ntchito m'magulu omangira gypsum gloride ndi potaziyamu chloride, silikazi wa potaziyamu, sulfate ndi acids ena. Mlingo nthawi zambiri umakhala 0,2% ~ 0.4%.

4. Wosunga madzi

Zida zouma Zomangamanga sizingachoke kuteteza madzi. Kupititsa patsogolo madzi osunga madzi a gypsum prpsiry ndikuwonetsetsa kuti madzi amatha kukhala ku gypsum slurry kwa nthawi yayitali kuti apeze mankhwala abwino komanso kuuma. Kukonzanso zolimbitsa thupi za gypsum ufa, kuchepetsa ndi kupewa magazi a gypsum, ndikusintha zovuta zopachikika, pititsani nthawi yopanga ma sharket komanso osagwirizana ndi chitetezo chamadzi. Kaya Mtumiki wosunga madzi ndi wokhalitsa wamadzi amatengera kubalalitsa kwake, kusungunuka kosungunuka, kukhazikika, kukhazikika kwa matenthedwe ndi kukula kwake, pakati pa njira yofunikira kwambiri.

Cellulose ether madzi osungira

Pakadali pano, hydroxypropyl methy cellulose ndiwomwe amagwiritsidwa ntchito pamsika, kenako methyl cellulose, ndi carboxymethy cellulose. Zokwanira za hydroxypropyl methl cellulose ndizabwino kuposa methyl cellulose. Kusunga kwamadzi kwa hydroxypypyl methyl cellulose ndikokwera kwambiri kuposa ma cellboxymethy cellouse, koma zolimbitsa thupi ndizoyipa kuposa za carboxymethyl. Mu gypsum youma zomangira zomangira, kuchuluka kwa hydroxypyl kapena methyl cellulose ili mu 0,1% ~ 0.3%, ndi kuchuluka kwa carboxymethyl cellulose ili mu ~ 1.0%.

Wothandizira Madzi Okhazikika

Mtundu wowuma umateteza kuti wothandizira madzi amagwiritsa ntchito ku Gesso kukhala pa mwana, nkhope yotsatsa ya Stucco Gesso, mtundu wonse wa cellose umateteza wothandizira madzi. Kugwira ntchito, kuphatikizika ndi kusasinthika kwa slurry kumatha kusintha powonjezera madzi opukutira madzi opukutira kwa gypsum youma. Madzi ambiri amagwiritsidwa ntchito kwambiri pamadzi ophunzitsidwa bwino ndi CASSAVAVAV, Prelatnated Wourch, Carboxymethyl wowuma, Carboxypropyl wowuma. Mtundu wowuma umateteza mlingo wamadzi kuti ukhale mu 0.3% ~ 1% nthawi zambiri, ngati Mlingo wa Gesso kwambiri umapangitsa Phesso

③ Madzi am'madzi osungirako

Azichete ena akunthawi yomweyo amathanso kukhala ndi gawo labwino pakusungidwa kwamadzi. Monga 17-88, 24-88 Polyvinyl ufa wa ufa, gram chingamu chomwe chimagwiritsidwa ntchito ku gypsum, gypsum stamm zouma zouma, m'njira inayake, imachepetsa kuchuluka kwa Cellulose madzi osunga madzi. Makamaka gypsum yambiri, imatha kusintha cellulose m'malo ena.

(4) Madzi a Inorganianic amasunga zida

Kugwiritsa ntchito zida zina zosungidwa m'madzi mu gypsum zouma zouma zouma zimatha kuchepetsa kuchuluka kwa zida zina zosungidwa madzi, kuchepetsa mtengo wa zinthu, ndikuwongolera kugwirira ntchito gypsum slurry. Zomwe zimagwiritsidwa ntchito kawirikawiri pamadzi osungirako ndi bentonite, kaolin, diatomite, wofatsa wa zeolite, ufa wa perlite, dongo la Atlite, etc.

5. zomatira

Kugwiritsa ntchito zomatira ku gypsum zouma zouma zosakanikirana ndi zotsika pamadzi osungika ndi obwezeretsa. Matope okhaokha, zomatira Gesso, zokomera Gesso, Busdo Busdo Buster sangathe kusiya othandizira.

Kubwezeretsedwanso Posachedwa:

Kubwezeretsedwanso ufa wa latx kumagwiritsidwa ntchito kwambiri mu matope a gypsum okhaokha, gypsum matope osinthika, gypsum omwe akukhudzidwa ndi otero. Makamaka mu matope a gypsum okha, amatha kupanga mawonekedwe owoneka bwino, madzi abwino, kuti muchepetse kufalikira, kupewa magazi, sinthani kutsutsana kwakukulu. Kugwiritsa ntchito nthawi zambiri kumakhala 1.2% ~ 2.5%.

Kuledzera kwa Polyvinyl:

Pakadali pano, kusungunuka komweko kwa polyvinyl ndi mlingo wochulukirapo pamsika ndi 24-88, 17-88 kugwiritsidwa ntchito kwa mitundu iwiri, nthito ya alsko ndi zinthu zina, mlingo ndi mu 0,4% ~ 1.2% nthawi zambiri.

Guar Gum, munda wa Gelatin, Carboxymethyl cellulose, ether ether ether, ether ether ether, ether ether ether, ether ether ndi zomatira zomatira zolumikizira zomangira zomangira zomangira zomangira.

6 .Kulickener

Kukula kumathandiza makamaka kukonza kugwirira ntchito ndi madzimadzi a gypsum slurry, yomwe ili yofanana ndi yomatira ndi madzi osungirako madzi, koma osati kwathunthu. Zogulitsa zina zokulirapo zimakhala bwino pakukula kwake, koma ulemu sikwabwino pamapangidwe a coutheve, osasunga madzi. Mukamapanga zida gypsumbu youma ufa, zotsatira zazikulu zokhala ndi zophatikiza ziyenera kuwerengedwa moyenera kuti tigwiritse ntchito bwino. Zinthu zomwe zimagwiritsidwa ntchito kwambiri zimagwiritsidwa ntchito Thickener ndi polyacrkala, gram chingamu, Guar Gum, Carboxymethyl cellulose.

7. Mtumiki wa ndege

Wothandizira ndege amadziwikanso kuti womenyedwayo, makamaka amagwiritsidwa ntchito ku gypsum ma glaster, pulasitala ya pulasitala ndi gypsum youma zomangira zomangira. Wothandizira ndege (wogwirizira) amathandizira kukonza zomanga, kuwonongeka kwa chisanu, kuchepetsa magazi ndi magawano nthawi zambiri mu 0.01% ~ 0.02%.

8.

Kuletsa kubwezeretsa nthawi zambiri kumagwiritsidwa ntchito pa matope odziletsa, ku Gesso komwe kumachitika, kumatha kukulitsa kuchuluka kwa zamkati, mphamvu, kukana zogonana, Mlingo uli mu 0,02% ~ 0.04% nthawi zambiri.

9. Kuchepetsa Madzi

Kuchepetsa mankhwala kumatha kusintha madzima ambiri komanso nyongolotsi zolimba kwambiri thupi, nthawi zambiri kumatope ovala matope, matope a Stucco. Pakadali pano, madzi ochepetsa nyumba ndi polycaboxyylic acid amaika madzi ochepetsa mankhwala, ma melamine amachepetsa madzi ochepetsa, lignosulfonirana madzi amachepetsa mphamvu molingana ndi mphamvu. Kuphatikiza pa madzi ndi mphamvu, ndikofunikira kulabadira nthawi ndi nthawi yopanga ma gypsum omanga ma gypsum mukamagwiritsa ntchito madzi ochepetsa mafuta owuma.

10. Wothandizila madzi

Chitsime chachikulu kwambiri cha zinthu gypsum ndi madzi osagwirizana ndi madzi. Malo omwe ali ndi chinyezi chachikulu cha mpweya chili ndi madzi okwanira madzi a gypsum youma matope osakanikirana. Nthawi zambiri, madzi kukana matenda a gypsum yolimba amayenda bwino powonjezera ma hydraul osakaniza. Pansi pa mkhalidwe wa madzi onyowa kapena okwanira, osagwirizana ndi gypsum yolimba kwambiri. Mankhwala othandizira amathanso kugwiritsidwanso ntchito kuchepetsa kusungunuka kwa gypsum (ndiye kuti amawonjezera kuyamwa kwa gypsum mpaka madzi (ndiye kuti, madzi kudzipatula) madzi osakanikirana. Gypsum Waterproof Wothandizira ali ndi ammonium borate, methyl sodium sileming, sisilicone stun, mkaka ndi wa mkaka seralsion emulsion Waterproof Wogentpu.

11. Wogwira Wogwira

Gypsum ya anhydrous imatha kuyambika kuti ikhale yopuma komanso yamphamvu, kuti ikhale yoyenera popanga gypsum youma youma. Acid Acticer amatha kuthamanga kwambiri ma hydration a boydrous gypsum, akufupikitsa nthawi ndikuwongolera mphamvu yolimba ya gypsum yolimba. Alkaline oyendetsa alkaline alibe mphamvu pakubwezeretsa kwa gypsum, koma amatha kukonza mphamvu yamtsogolo ya gypsum yolimba, yomwe imathandizira kuti madzi a gypsum hard . Ntchito yogwiritsa ntchito a asidi ya asidi ndiyabwino kuposa a asidi imodzi kapena othandizira. Ogwiritsa ntchito acid amaphatikiza potaziyamu alum, sodium sulfate, potaziyamu sulfate ndi zina zambiri. Ogwiritsa ntchito a alkaline amaphatikizapo kuwerenga mwachangu, simenti, Chuma Cynticker, kuwerengetsa Dolomite ndi zina zotero.

Mafuta a Thixotropic

Mafuta a thixovarket amagwiritsidwa ntchito podzipangitsa gypsum kapena gluccom gypsum, zomwe zimachepetsa matope a gypsum, kuletsa nthawi yotseguka, kuti isakhale ndi malo opangira mafuta, ndikupanga yunifomu youma thupi, imawonjezera mphamvu yake.