Foda mai sake rabuwa da sauran abubuwan haɗin da ba su da tsari (kamar siminti, lemun tsami mai laushi, gypsum, da sauransu) da kuma wasu abubuwan haɗin, abubuwan cikawa da sauran ƙari (kamar methyl hydroxypropyl cellulose ether, sitaci ether, lignocellulose, hydrophobic agent, da sauransu) don haɗa jiki don yin turmi mai busasshe. Lokacin da aka ƙara turmi mai busasshe a cikin ruwa aka motsa, ƙwayoyin foda na latex za su bazu cikin ruwa ƙarƙashin aikin colloid mai kariya da kuma yankewar injiniya. Lokacin da ake buƙata don wargaza foda na latex na yau da kullun ya yi gajere sosai, kuma wannan ma'aunin lokacin sake rabuwa shi ma muhimmin ma'auni ne don bincika ingancinsa. A farkon matakin haɗawa, foda na latex ya riga ya fara shafar rheology da iya aiki na turmi.
Saboda halaye daban-daban da gyare-gyare na kowace foda mai latex da aka raba, wannan tasirin ma ya bambanta, wasu suna da tasirin taimakawa kwarara, wasu kuma suna da tasirin thixotropy mai ƙaruwa. Tsarin tasirinsa ya fito ne daga fannoni da yawa, gami da tasirin foda mai latex akan kusancin ruwa yayin watsawa, tasirin danko daban-daban na foda mai latex bayan watsawa, tasirin colloid mai kariya, da tasirin siminti da bel ɗin ruwa. Tasirin sun haɗa da ƙaruwar iska a cikin turmi da rarraba kumfa na iska, da kuma tasirin ƙarin kayan da ke cikinsa da hulɗa da wasu ƙari. Saboda haka, zaɓin foda mai latex da aka raba da aka keɓance da kuma rarrabawa hanya ce mai mahimmanci don shafar ingancin samfur. Mafi yawan ra'ayi shine cewa foda mai latex da aka raba yawanci yana ƙara yawan iskar turmi, ta haka yana shafa man shafawa a ginin turmi, da kuma kusanci da danko na foda mai latex, musamman colloid mai kariya, zuwa ruwa lokacin da aka warwatse. Ƙara yawan amfani yana taimakawa wajen inganta haɗin turmi na gini, ta haka yana inganta aikin turmi. Daga baya, ana shafa turmi mai jika wanda ke ɗauke da wargajewar foda mai latex a saman aikin. Tare da rage ruwa a matakai uku - shanyewar layin tushe, shan sinadarin siminti, da kuma rage yawan ruwan saman zuwa iska, ƙwayoyin resin suna kusantowa a hankali, hanyoyin haɗin suna haɗuwa a hankali, kuma a ƙarshe su zama fim ɗin polymer mai ci gaba. Wannan tsari galibi yana faruwa ne a cikin ramukan turmi da saman daskararrun.
Ya kamata a jaddada cewa domin a mayar da wannan tsari ba tare da wata matsala ba, wato, idan fim ɗin polymer ya sake haɗuwa da ruwa, ba za a sake wargaza shi ba, kuma dole ne a raba colloid mai kariya na foda mai redispersible latex daga tsarin fim ɗin polymer. Wannan ba matsala ba ce a tsarin turmi na simintin alkaline, domin zai zama saponified ta hanyar alkali da aka samar ta hanyar hydration na siminti, kuma a lokaci guda, shaye-shayen kayan kamar quartz zai raba shi a hankali daga tsarin, ba tare da kariyar hydrophilicity ba. Colloids, waɗanda ba sa narkewa a cikin ruwa kuma an samar da su ta hanyar wargajewar foda mai redispersible na lokaci guda, ba za su iya aiki ba kawai a cikin yanayi bushewa, har ma a ƙarƙashin yanayin nutsewa cikin ruwa na dogon lokaci. A cikin tsarin da ba na alkaline ba, kamar tsarin gypsum ko tsarin da ke da cikawa kawai, saboda wani dalili colloid mai kariya har yanzu yana wanzuwa a cikin fim ɗin polymer na ƙarshe, wanda ke shafar juriyar ruwa na fim ɗin, amma saboda ba a amfani da waɗannan tsarin don Idan aka nutsar da shi cikin ruwa na dogon lokaci, kuma polymer har yanzu yana da kaddarorin injiniya na musamman, ba ya shafar aikace-aikacen foda latex mai sake wargajewa a cikin waɗannan tsarin.
Da samuwar fim ɗin polymer na ƙarshe, tsarin tsarin da ya ƙunshi abubuwan ɗaure marasa tsari da na halitta ana samar da shi a cikin turmi da aka warke, wato, kayan hydraulic suna samar da tsarin mai rauni da tauri, kuma foda na latex mai sake wargajewa yana samar da fim tsakanin rata da saman mai ƙarfi. Haɗin mai sassauƙa. Ana iya tunanin wannan nau'in haɗin kamar an haɗa shi da kwarangwal mai tauri ta hanyar ƙananan maɓuɓɓugan ruwa da yawa. Tunda ƙarfin juriya na fim ɗin resin polymer da aka samar da foda na latex yawanci yana da girma fiye da na kayan hydraulic, ƙarfin turmi da kansa za a iya inganta shi, wato, haɗin kai ya inganta. Tunda sassauci da nakasar polymer sun fi na tsarin tauri kamar siminti, nakasar turmi yana inganta, kuma tasirin damuwa yana ƙaruwa sosai, ta haka yana inganta juriyar tsagewa na turmi.
Lokacin Saƙo: Maris-07-2023