Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Water-resistant environment-friendly high-dosage phosphogypsum base material as well as preparation method and application thereof
The invention discloses a water-resistant environment-friendly high-dosage phosphogypsum base material as well as a preparation method and application thereof, and belongs to the technical field of road construction materials. The ardealite base layer material is prepared from the following raw materials in parts by weight: 80 to 90 parts of modified ardealite powder, 10 to 20 parts of a cementing material, 2 to 4 parts of a slow-release microcapsule consolidation aid, 0.5 to 5 parts of a complexing water repellent agent and 0 to 20 parts of water; the slow-release microcapsule consolidation aid comprises starch, sodium metaaluminate, aluminum chloride and sodium bicarbonate; the complexing water-resistant agent comprises sodium hydroxide, sodium carbonate, oleic acid, ammonia water and a complexing agent. Under the action of the slow-release microcapsule consolidation agent and the complexing water-resistant agent, the problems of low cement hydration speed, low early strength and low water stability of the cement-stabilized phosphogypsum base material are solved, the phosphogypsum base material with high strength and excellent water stability is obtained, meanwhile, the doping amount of phosphogypsum in the phosphogypsum base material reaches up to 80-90%, and the cement-stabilized phosphogypsum base material has the advantages of high strength and excellent water stability. The utilization rate of the ardealite is high, and high-value utilization of the ardealite is realized.
本发明公开一种抗水环保型大掺量磷石膏基层材料及其制备方法和应用，属于道路施工材料技术领域。所述磷石膏基层材料的原料包括以下重量份数的各组分：改性磷石膏粉末80～90份、胶凝材料10～20份、缓释型微胶囊固结助剂2～4份、络合抗水剂0.5～5份、水0～20份；所述缓释型微胶囊固结助剂包括淀粉、偏铝酸钠、氯化铝和碳酸氢钠；所述络合抗水剂包括氢氧化钠、碳酸钠、油酸、氨水和络合剂。本发明在缓释型微胶囊固结剂和络合抗水及的作用下，解决了水泥稳定磷石膏基层材料水泥水化速度慢、早期强度低和水稳定性低的问题，得到强度高、水稳定性优异的磷石膏基层材料，同时磷石膏基层材料中磷石膏掺量高达80％～90％，磷石膏利用率高，实现磷石膏的高价值化利用。
Water-resistant environment-friendly high-dosage phosphogypsum base material as well as preparation method and application thereof
The invention discloses a water-resistant environment-friendly high-dosage phosphogypsum base material as well as a preparation method and application thereof, and belongs to the technical field of road construction materials. The ardealite base layer material is prepared from the following raw materials in parts by weight: 80 to 90 parts of modified ardealite powder, 10 to 20 parts of a cementing material, 2 to 4 parts of a slow-release microcapsule consolidation aid, 0.5 to 5 parts of a complexing water repellent agent and 0 to 20 parts of water; the slow-release microcapsule consolidation aid comprises starch, sodium metaaluminate, aluminum chloride and sodium bicarbonate; the complexing water-resistant agent comprises sodium hydroxide, sodium carbonate, oleic acid, ammonia water and a complexing agent. Under the action of the slow-release microcapsule consolidation agent and the complexing water-resistant agent, the problems of low cement hydration speed, low early strength and low water stability of the cement-stabilized phosphogypsum base material are solved, the phosphogypsum base material with high strength and excellent water stability is obtained, meanwhile, the doping amount of phosphogypsum in the phosphogypsum base material reaches up to 80-90%, and the cement-stabilized phosphogypsum base material has the advantages of high strength and excellent water stability. The utilization rate of the ardealite is high, and high-value utilization of the ardealite is realized.
本发明公开一种抗水环保型大掺量磷石膏基层材料及其制备方法和应用，属于道路施工材料技术领域。所述磷石膏基层材料的原料包括以下重量份数的各组分：改性磷石膏粉末80～90份、胶凝材料10～20份、缓释型微胶囊固结助剂2～4份、络合抗水剂0.5～5份、水0～20份；所述缓释型微胶囊固结助剂包括淀粉、偏铝酸钠、氯化铝和碳酸氢钠；所述络合抗水剂包括氢氧化钠、碳酸钠、油酸、氨水和络合剂。本发明在缓释型微胶囊固结剂和络合抗水及的作用下，解决了水泥稳定磷石膏基层材料水泥水化速度慢、早期强度低和水稳定性低的问题，得到强度高、水稳定性优异的磷石膏基层材料，同时磷石膏基层材料中磷石膏掺量高达80％～90％，磷石膏利用率高，实现磷石膏的高价值化利用。
Water-resistant environment-friendly high-dosage phosphogypsum base material as well as preparation method and application thereof
一种抗水环保型大掺量磷石膏基层材料及其制备方法和应用
ZHANG HONG (Autor:in) / LI LU (Autor:in) / DING QINGJUN (Autor:in) / CAO JINLU (Autor:in) / HUANG SHAOLONG (Autor:in) / BAI SHIHU (Autor:in) / JIN FAN (Autor:in) / ZHAO YUE (Autor:in) / CHEN TONGJIE (Autor:in) / FU XINNING (Autor:in)
09.08.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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