Kwanan Wata:20,Feb,2023
Menene wakili na rage ruwa?
Wakilin rage ruwa, wanda kuma aka sani da dispersant ko filastik, shine mafi yawan amfani da ƙari kuma ba makawa a cikin siminti mai gauraye. Saboda ta adsorption da watsawa, wetting da m effects, shi zai iya muhimmanci rage yawan ruwa amfani da sabo kankare tare da wannan aiki yi bayan amfani, don haka muhimmanci inganta ƙarfi, karko da sauran kaddarorin na kankare.
Ana iya raba wakili mai rage ruwa zuwa nau'i biyu bisa ga tasirin rage ruwansa: wakili mai rage ruwa na yau da kullun da babban wakili mai rage ruwa. Ana iya haɗa wakili mai rage ruwa tare da wasu abubuwan haɗin gwiwa don samar da nau'in ƙarfin farko, nau'in gama gari, nau'in retarding da nau'in rage ruwa mai shigar da iska bisa ga buƙatun injiniya a aikace.
Ana iya rarraba wakilai masu rage ruwa zuwa lignosulfonate da abubuwan da suka samo asali, polycyclic aromatic sulfonic acid salts, ruwa mai narkewa guduro sulfonic acid salts, aliphatic sulfonic acid salts, mafi girma polyols, hydroxy carboxylic acid salts, polyol complexes, polyoxyethylene ethers da abubuwan da suka samo asali bisa ga su. manyan abubuwan sinadaran.
Menene tsarin aikin rage ruwa?
Duk abubuwan rage ruwa sune abubuwan aiki na sama. Tasirin rage ruwa na wakili na rage ruwa yana samuwa ne ta hanyar aikin shimfidar wuri na wakili na rage ruwa. Babban tsarin aikin rage ruwa shine kamar haka:
1) The ruwa reducer zai adsorb a m-ruwa dubawa, rage surface tashin hankali, inganta surface rigar siminti barbashi, rage thermodynamic rashin zaman lafiyar ciminti watsawa, kuma ta haka ne samun dangi kwanciyar hankali.
2) Mai rage ruwa zai haifar da adsorption na shugabanci a saman simintin siminti, ta yadda saman simintin zai sami caji iri ɗaya, yana haifar da tsangwama na electrostatic, ta haka yana lalata tsarin flocculated na simintin siminti da tarwatsa sassan siminti. Don polycarboxylate da sulfamate superplasticizers, adsorption na superplasticizer yana cikin nau'i na zobe, waya da kayan aiki, don haka ƙara nisa tsakanin simintin siminti don samar da wutar lantarki, yana nuna mafi kyawun watsawa da slump riƙewa.
3) Fim ɗin ruwa mai narkewa yana samuwa ta hanyar haɗin gwiwar hydrogen tsakanin masu rage ruwa da kwayoyin ruwa don samar da kariya ta sararin samaniya, hana hulɗar siminti kai tsaye da kuma hana samuwar tsari mai mahimmanci.
4) Kamar yadda aka kafa Layer adsorption a saman simintin siminti, zai iya hana farkon hydration na siminti, don haka ƙara yawan ruwa na kyauta da kuma inganta yawan ruwa na simintin manna.
5) Wasu ma'aikatan rage ruwa kuma za su gabatar da wani adadin ƙananan kumfa don rage juzu'i tsakanin simintin siminti, don haka inganta tarwatsawa da kwanciyar hankali na siminti slurry.
Lokacin aikawa: Fabrairu-20-2023
