Rigar gauraye turmi: gauraye turmi wani nau'i ne na siminti, lafiya tara, admixture da ruwa, kuma bisa ga kaddarorin daban-daban sassa, bisa ga wani rabo, bayan an auna a hadawa tashar, gauraye, hawa zuwa wurin da ana amfani da babbar mota, kuma an shigar da ita cikin wani wuri na musamman Ajiye kwandon kuma yi amfani da cakuda rigar da aka gama don lokacin da aka ƙayyade.
Ana amfani da Hydroxypropyl methylcellulose azaman wakili mai riƙe da ruwa don turmi siminti da retarder don yin famfo turmi. A cikin yanayin gypsum a matsayin mai ɗaure don inganta aikace-aikacen da kuma tsawaita lokacin aiki, riƙewar ruwa na HPMC yana hana slurry daga fashewa da sauri bayan bushewa, kuma yana inganta ƙarfin bayan taurin. Riƙewar ruwa wani muhimmin kadara ne na hydroxypropyl methylcellulose HPMC, kuma yana da damuwa da yawancin masana'antun turmi-mix na gida. Abubuwan da ke shafar tasirin riƙon ruwa na turmi mai gauraya rigar sun haɗa da adadin adadin HPMC da aka ƙara, da ɗankowar HPMC, ƙarancin ɓangarorin da zafin yanayin yanayin amfani.
Akwai uku main ayyuka na hydroxypropyl methylcellulose HPMC a rigar-mix turmi, daya ne m ruwa rike iya aiki, da sauran shi ne tasiri a kan daidaito da kuma thixotropy na rigar-mix turmi, kuma na uku shi ne hulda da ciminti . Riƙewar ruwa na ether cellulose ya dogara ne akan yawan sha ruwa na tushe, abun da ke cikin turmi, kauri na turmi, buƙatar ruwa na turmi, da lokacin saiti. Mafi girman bayyana gaskiyar hydroxypropyl methylcellulose, mafi kyawun riƙewar ruwa.
Abubuwan da ke shafar riƙewar ruwa na turmi mai hade da ruwa sun hada da cellulose ether danko, adadin adadin, girman barbashi da zafin jiki. Mafi girman danko na ether cellulose, mafi kyawun riƙewar ruwa. Danko shine muhimmin siga na aikin HPMC. Don samfurin iri ɗaya, sakamakon amfani da hanyoyi daban-daban don auna danko ya bambanta sosai, wasu ma suna da tazara biyu. Don haka, kwatancen danko dole ne a aiwatar da shi a cikin hanyar gwaji iri ɗaya, gami da zafin jiki, sandal, da sauransu.
Gabaɗaya magana, mafi girman danko, mafi kyawun riƙewar ruwa. Duk da haka, mafi girma da danko, mafi girma da kwayoyin nauyi na HPMC da ƙananan solubility na HPMC, wanda yana da mummunan tasiri a kan ƙarfi da ginin yi na turmi. Mafi girman danko, mafi bayyane tasirin tasirin turmi, amma ba shi da alaƙa kai tsaye. Mafi girma da danko, da ƙarin danko da rigar turmi, mafi kyawun aikin ginin, aikin ƙwanƙwasa na danko kuma mafi girma ga mannewa ga ma'auni. Duk da haka, ƙãra ƙarfin tsarin jika da kanta ba ya taimaka. Gine-ginen biyu ba su da aikin hana sag a bayyane. Sabanin haka, wasu matsakaici da ƙananan danko amma gyaggyarawa hydroxypropyl methylcellulose yana da kyakkyawan aiki wajen inganta ƙarfin tsarin jika.
Mafi girman adadin ether cellulose da aka ƙara zuwa turmi mai laushi na PMC, mafi kyawun riƙewar ruwa, kuma mafi girma da danko, mafi kyawun riƙewar ruwa. Fineness kuma muhimmin alamar aiki ne na hydroxypropyl methylcellulose.
Mafi kyawun hydroxypropyl methylcellulose shima yana da wani tasiri akan riƙe ruwa. Gabaɗaya, don hydroxypropyl methylcellulose tare da danko iri ɗaya da kyau daban-daban, ƙarami mai kyau, ƙaramin tasirin riƙewar ruwa a ƙarƙashin adadin ƙari iri ɗaya. mafi kyau.
A cikin rigar-mixed turmi, ƙarin adadin cellulose ether HPMC yana da ƙasa sosai, amma yana iya inganta aikin ginin rigar turmi, kuma shine babban ƙari wanda ya fi shafar aikin turmi. Zaɓin da ya dace na hydroxypropyl methylcellulose, aikin rigar turmi yana tasiri sosai.
Lokacin aikawa: Afrilu-25-2023