Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Cement-based material and preparation method thereof
The invention relates to a cement-based material and a preparation method thereof. The preparation method of the cement-based material comprises the following steps: mixing raw materials of the cement-based material, adding an amine admixture in the mixing process of the raw materials, adding water, conducting stirring and forming, and carrying out high-temperature pretreatment and CO2 mineralization maintenance, wherein the addition amount of the amine admixture is 0.01-0.2% of the mass of the cement in the raw materials. According to the invention, the amine admixture is added in the raw material mixing process, so the internal microporous structure of the cement-based material can be adjusted, the CO2 solubility and the calcium and magnesium ion dissolution rate of the material can be improved, the depth of CO2 carbonization reaction can be effectively improved, the CO2 carbonization rate in the cement-based material can be improved, and good energy-saving and carbon-reducing effects can be achieved. The carbonization rate of the cement-based material obtained by the method disclosed by the invention is 28-35%.
本发明是关于水泥基材料及其制备方法，该水泥基材料的制备方法包括：将水泥基材料的原料混合，并在原料混合过程中添加胺类外加剂，加水拌和成形，进行高温预处理和CO2矿化养护；其中，所述的胺类外加剂的添加量为原料中水泥质量的0.01‰～2‰。本发明通过在原料混合过程中添加胺类外加剂，可调节水泥基材料的内部微孔结构，提高CO2溶解度和钙镁离子溶出率，有效提高CO2碳化反应深度，提高水泥基材料中的CO2碳化率，具有较好的节能减碳效应。采用本发明方法得到的水泥基材料的碳化率为28‑35％。
Cement-based material and preparation method thereof
The invention relates to a cement-based material and a preparation method thereof. The preparation method of the cement-based material comprises the following steps: mixing raw materials of the cement-based material, adding an amine admixture in the mixing process of the raw materials, adding water, conducting stirring and forming, and carrying out high-temperature pretreatment and CO2 mineralization maintenance, wherein the addition amount of the amine admixture is 0.01-0.2% of the mass of the cement in the raw materials. According to the invention, the amine admixture is added in the raw material mixing process, so the internal microporous structure of the cement-based material can be adjusted, the CO2 solubility and the calcium and magnesium ion dissolution rate of the material can be improved, the depth of CO2 carbonization reaction can be effectively improved, the CO2 carbonization rate in the cement-based material can be improved, and good energy-saving and carbon-reducing effects can be achieved. The carbonization rate of the cement-based material obtained by the method disclosed by the invention is 28-35%.
本发明是关于水泥基材料及其制备方法，该水泥基材料的制备方法包括：将水泥基材料的原料混合，并在原料混合过程中添加胺类外加剂，加水拌和成形，进行高温预处理和CO2矿化养护；其中，所述的胺类外加剂的添加量为原料中水泥质量的0.01‰～2‰。本发明通过在原料混合过程中添加胺类外加剂，可调节水泥基材料的内部微孔结构，提高CO2溶解度和钙镁离子溶出率，有效提高CO2碳化反应深度，提高水泥基材料中的CO2碳化率，具有较好的节能减碳效应。采用本发明方法得到的水泥基材料的碳化率为28‑35％。
Cement-based material and preparation method thereof
水泥基材料及其制备方法
FANG JINGRUI (Autor:in) / ZHI XIAO (Autor:in) / LIU JINQIANG (Autor:in) / LIU YAOJUN (Autor:in) / SUN YONG (Autor:in) / SHI XINCHAO (Autor:in)
29.10.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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