Me yasa ake gyara Polycarboxylate Superplasticizer?

(Me yasa ake gyara Polycarboxylate Superplasticizer?)

Kankare ruwa rage wakili ne daya daga cikin fasaha hanyoyin don rage siminti sashi, inganta amfani kudi na masana'antu sharar gida sharar gida, da kuma gane karko da high yi na kankare. Hakanan yana ɗaya daga cikin mahimman kayan haɓaka simintin siminti zuwa filin fasaha mai zurfi. Kuma nau'in polycarboxylate mai rage ruwa (PC) ya zama nau'in ingantacciyar wakili mai rage ruwa tare da mafi saurin haɓakawa kuma mafi girman yuwuwar kasuwa saboda ƙarancin ƙarancinsa da halayen kariyar muhalli. Idan aka kwatanta da na gargajiya admixtures, da admixtures sun zama mayar da hankali a dukan duniya bincike da ci gaban saboda da kyau tarwatsa su da slump ikon riƙe. 

Ko da yake polycarboxylate ruwa rage admixture fice yi da ikon kula da mai kyau slump da aka yadu gane, amma saboda kasancewar ma'adinai abun da ke ciki, ciminti fineness, ciminti plaster form da abun ciki, admixture ƙara adadin, da kuma hadawa tsari na kankare cakuda rabo, ruwa yana da matukar high ji na ƙwarai, tsanani shafi data kasance kayayyakin da ake amfani da ko'ina a aikin injiniya. 

Menene Wakilin Rage Ruwa na Polycarboxylate?

Polycarboxylate superplasticizer wani nau'i ne na surfactant mai dauke da copolymer carboxylic graft. Kwayoyinsa suna da sifar tsefe kuma suna da babban tasiri mai hanawa. Kamar yadda na uku ƙarni na high-yi ruwa rage wakili bayan lignosulfonate talakawa ruwa rage wakili, naphthalene jerin aliphatic kungiyar, sulfmate da sauran high dace ruwa rage wakili. 

Shi ne saboda kwayoyin tsarin zane yi yana da kyau, high rage ruwa, low admixture adadin, ci gaba da slump mai kyau, inganta mai kyau, dauke da alkali adadin ne low, don saita lokaci tasiri ne kananan, kuma mafi yawan ciminti karfinsu ne mai kyau da kuma gurbatawa-free da sauran abũbuwan amfãni suna dauke a matsayin mafi yawan ci gaban m na ruwa rage wakili iri-iri.

Polycarboxylate superplasticizer wani sabon ingantaccen superplasticizer ne wanda aka haɓaka kuma an samar dashi cikin nasara bayan naphthalene, melamine, aliphatic da sulfamate superplasticizer. A cikin abun ciki yana da ƙasa (m abun ciki 0.15% - 0.25%) na iya samar da ingantaccen ruwa ragewa da ingantaccen sakamako, ƙasa da tasiri a kan saitin lokaci na kankare da slump riƙewa, daidaitawa ga ciminti da admixture ne in mun gwada da kyau, wani karami tasiri kan bushewa shrinkage na kankare (yawanci ba ma yawa karuwa bushe shrinkage), ba tare da yin amfani da low bushewa shrinkage, ba tare da yin amfani da low sharar gida. abun ciki na 42- da Cl- an yaba da masu bincike da wasu masu amfani tun farkon. 

Me yasa za a gyaggyara Polycarboxylate Superplasticizer? 

Idan aka kwatanta da naphthalene jerin high m ruwa rage wakili, kamar, ko da yake poly carboxylic acid ruwa rage wakili a cikin rage ruwa kiyayewa slump yana da fili abũbuwan amfãni a cikin al'amurran da muhalli kariya, amma akwai wasu fasaha matsaloli a cikin m aikin injiniya aikace-aikace, irin su ruwa rage sakamako na kankare albarkatun kasa, hadawa rabo, ruwa rage wakili sashi dogara ne sosai babban, sabo kankare yi sauki shiri na ruwa Layer. Rashin daidaituwa tare da sauran wakilai masu rage ruwa da gyare-gyaren abubuwan da aka gyara da kuma rashin kwanciyar hankali samfurin suna iyakancewa da yawa aikace-aikace da ci gaba na polycarboxylate masu rage ruwa. 

Don shawo kan lahani na fasaha a cikin aikace-aikacen wakili mai rage ruwa na polycarboxylate, ko don inganta wasu ko wasu kaddarorin siminti (aiki, slump riƙewa, raguwar zub da jini, inganta ƙarfin farko, ƙananan raguwa, da dai sauransu). wajibi ne don gyara kankare. 

A aikace, hanyoyin gyare-gyaren da aka saba amfani da su sun haɗa da fasahar roba da fasaha mai ma'ana. Idan aka kwatanta da tsarin haɗin gwiwar, hanyar fili tana da fa'idodin aiki mai sauƙi da ƙananan farashi, don haka ana amfani da shi sosai a aikace-aikace masu amfani. Polycarboxylate jerin mahadi fasahar, shi ne polycarboxylate jerin ruwa-rage wakili da sauran aka gyara (kamar jinkirin coagulation, defoamy, iska shigar, farkon ƙarfi da sauran aka gyara) bisa ga wani rabo daga cikin hadaddun fili, domin cimma daidaituwa na superposition na kowane bangaren.

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(Me yasa ake gyara Polycarboxylate Superplasticizer?)