A cikin turmi na siminti da kuma slurry mai tushen gypsum, hydroxypropyl methylcellulose galibi yana taka rawa wajen riƙe ruwa da kauri, kuma yana iya inganta mannewa da juriyar sagging na slurry yadda ya kamata.
Abubuwa kamar zafin iska, zafin jiki da saurin matsin iska za su shafi saurin raguwar ruwa a cikin turmi da kayayyakin da aka yi da siminti. Saboda haka, a cikin yanayi daban-daban, akwai wasu bambance-bambance a cikin tasirin riƙe ruwa na samfuran da aka ƙara adadin hydroxypropyl methylcellulose. A cikin takamaiman ginin, ana iya daidaita tasirin riƙe ruwa na slurry ta hanyar ƙara ko rage adadin da aka ƙara na HPMC. Rike ruwa a ƙarƙashin yanayin zafi mai yawa muhimmin alama ne don bambanta ingancin hydroxypropyl methylcellulose ether.
Samfuran jerin hydroxypropyl methylcellulose masu kyau na iya magance matsalar riƙe ruwa yadda ya kamata a lokacin zafi mai yawa. A cikin lokutan zafi mai yawa, musamman a wurare masu zafi da bushewa da kuma gina sirara a gefen rana, ana buƙatar HPMC mai inganci don inganta riƙe ruwa na slurry. HPMC mai inganci yana da daidaito mai kyau. Ƙungiyoyin methoxy da hydroxypropoxy ɗinsa suna rarraba daidai gwargwado tare da sarkar ƙwayoyin cellulose, wanda zai iya inganta ikon atom ɗin oxygen akan haɗin hydroxyl da ether don haɗawa da ruwa don samar da haɗin hydrogen. , don haka ruwa mai kyauta ya zama ruwa mai ɗaure, don sarrafa ƙafewar ruwa da yanayin zafi mai yawa ke haifarwa, da kuma cimma riƙe ruwa mai yawa.
Ana iya watsa sinadarin hydroxypropyl methylcellulose mai inganci cikin turmi da kayayyakin da aka yi da siminti, sannan a naɗe dukkan ƙwayoyin halitta masu ƙarfi, sannan a samar da fim ɗin jika, sannan a saki danshi a hankali a tsawon lokaci, sannan a mayar da martanin hydration tare da kayan gelling marasa tsari don tabbatar da ƙarfin haɗin kai da ƙarfin matsi na kayan.
Saboda haka, a cikin ginin lokacin zafi mai zafi, domin cimma tasirin riƙe ruwa, ya zama dole a ƙara samfuran HPMC masu inganci a cikin isassun yawa bisa ga dabarar, in ba haka ba, za a sami rashin isasshen ruwa, raguwar ƙarfi, tsagewa, rami da zubar da ruwa sakamakon bushewar ruwa mai yawa, amma kuma yana ƙara wahalar gini ga ma'aikata. Yayin da zafin jiki ke raguwa, ana iya rage adadin HPMC da aka ƙara a hankali, kuma ana iya cimma irin wannan tasirin riƙe ruwa.
Lokacin Saƙo: Afrilu-13-2023