Tasirin abun cikin laka na yashi akanpolycarboxylate superplasticizersau da yawa yana mutuwa, wanda ya fi bayyane fiye da jerin naphthalene da aliphatic superplasticizers. Lokacin da abun ciki na laka ya karu, ana inganta aikin siminti ta hanyar ƙara yawan adadinpolycarboxylate superplasticizer, wani lokacin da rabin kokarin, wani lokacin kuma zubar jini yana farawa kafin a kai ga ruwa. Lokacin da abun ciki na laka na tara mai kyau ya wuce kashi 5%, adadin raguwar ruwa na simintin ya haɗe dapolycarboxylate superplasticizerzai rage, har ma da
za a rasa kwata-kwata kwata-kwata, kuma aikin riƙewa na raguwa kuma zai yi rauni. Domin abun ciki na dutse foda, shi ma wajibi ne a gudanar da wani a kan-site gwaje-gwaje sau da yawa don m sarrafa abun ciki na dutse foda, sabõda haka, ji na ƙwarai za a iya sarrafa yadda ya kamata, da fluidity na kankare za a iya garanti, da kuma yi na. kankare za a iya inganta.
Ga matsalar halin yanzu na abun ciki na laka, akwai mafita na al'ada da yawa:
(1) Ƙara yawan adadin ko ƙara yawan ma'auni na jinkiri-saki-saki mai riƙewa, amma sarrafa adadin don hana matsalolin launin rawaya, zubar jini, rarrabuwa, ƙwanƙwasa ƙasa da lokacin jinkirta kankare yana da tsayi sosai;
(2) Daidaita adadin yashi ko ƙara yawan haɓakar iska. A kan yanayin tabbatar da kyakkyawan aiki da ƙarfin aiki, rage yawan yashi ko ƙara yawan haɓakar iska don cimma manufar ƙara yawan ruwa na kyauta da slurry na tsarin kankare. don daidaita kaddarorin kankare;
(3) Ƙara ko canza abubuwan da suka dace don magance matsalar. Gwaje-gwaje sun nuna cewa ƙara adadin da ya dace na sodium metabisulfite, sodium thiosulfate, sodium hexametaphosphate, da sodium sulfate zuwa mai rage ruwa na iya rage tasirin abun cikin laka akan kankare zuwa wani ɗan lokaci.
Tabbas, hanyoyin da ke sama ba za su iya magance duk matsalolin abubuwan da ke cikin laka ba, kuma tasirin laka akan ɗorewa na kankare yana buƙatar ƙarin bincike, don haka mahimman bayani shine rage yawan laka na albarkatun ƙasa.
Lokacin aikawa: Mayu-18-2022
