Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of zeolite geopolymer cementing material
The invention discloses a preparation method of a zeolite geopolymer cementing material. The method comprises the following steps: (1), preparing a silicon-aluminum mixture; (2), preparing an alkalineactivator; and (3), preparing a zeolite geopolymer cementing material. According to the geopolymer cementing material, metakaolin, zeolite, red mud, coal ash, magnesium oxide and other raw materialsare reasonably utilized, so that activation reaction of all the material components is improved; alkali metal ions are firmly combined in a reaction product, and the surface frosting problem can be slightly relieved. The prepared zeolite geopolymer cementing material is high in strength and high in hardening speed, and the 28-day strength can reach over 48 MPa. Magnesium oxide in the raw materialsplays a role of a filling and expanding agent and can effectively absorb carbon dioxide. By optimizing the proportion, the geopolymer is more excellent in corrosion resistance by being compared withordinary Portland cement, small in capillary pore number, good in impermeability, small in shrinkage, high in setting speed and high in applicability, and the sustainable development requirements of ecological environmental protection can be met.
本发明公开了一种沸石地聚物胶凝材料的制备方法，该方法包括以下步骤：（1）制备硅铝质混合料；（2）配制碱性活化剂；（3）制备沸石地聚物胶凝材料。该地聚物胶凝材料合理利用偏高岭土、沸石、赤泥、粉煤灰、氧化镁等原料，提升了各材料组分的活化反应，碱金属离子牢固结合于反应产物中，表面泛霜问题可以稍微缓解。本发明制作的沸石地聚物胶凝材料强度高，硬化速度快，28天强度可达48MPa以上。原料中的氧化镁起着填充、膨胀剂作用，可有效吸收二氧化碳。通过优化配比，该地聚物耐腐蚀性较普通硅酸盐水泥更优异，毛细孔数量少，抗渗性好且收缩小，凝结速度快，适用性强，符合生态环保可持续的发展要求。
Preparation method of zeolite geopolymer cementing material
The invention discloses a preparation method of a zeolite geopolymer cementing material. The method comprises the following steps: (1), preparing a silicon-aluminum mixture; (2), preparing an alkalineactivator; and (3), preparing a zeolite geopolymer cementing material. According to the geopolymer cementing material, metakaolin, zeolite, red mud, coal ash, magnesium oxide and other raw materialsare reasonably utilized, so that activation reaction of all the material components is improved; alkali metal ions are firmly combined in a reaction product, and the surface frosting problem can be slightly relieved. The prepared zeolite geopolymer cementing material is high in strength and high in hardening speed, and the 28-day strength can reach over 48 MPa. Magnesium oxide in the raw materialsplays a role of a filling and expanding agent and can effectively absorb carbon dioxide. By optimizing the proportion, the geopolymer is more excellent in corrosion resistance by being compared withordinary Portland cement, small in capillary pore number, good in impermeability, small in shrinkage, high in setting speed and high in applicability, and the sustainable development requirements of ecological environmental protection can be met.
本发明公开了一种沸石地聚物胶凝材料的制备方法，该方法包括以下步骤：（1）制备硅铝质混合料；（2）配制碱性活化剂；（3）制备沸石地聚物胶凝材料。该地聚物胶凝材料合理利用偏高岭土、沸石、赤泥、粉煤灰、氧化镁等原料，提升了各材料组分的活化反应，碱金属离子牢固结合于反应产物中，表面泛霜问题可以稍微缓解。本发明制作的沸石地聚物胶凝材料强度高，硬化速度快，28天强度可达48MPa以上。原料中的氧化镁起着填充、膨胀剂作用，可有效吸收二氧化碳。通过优化配比，该地聚物耐腐蚀性较普通硅酸盐水泥更优异，毛细孔数量少，抗渗性好且收缩小，凝结速度快，适用性强，符合生态环保可持续的发展要求。
Preparation method of zeolite geopolymer cementing material
一种沸石地聚物胶凝材料的制备方法
LUO BAIFU (Autor:in) / FENG QINQIN (Autor:in) / LI CHENG (Autor:in) / WANG DONG (Autor:in) / ZHANG WEI (Autor:in)
07.08.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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