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Regenerated phosphate cement and preparation method thereof
The invention discloses regenerated phosphate cement and a preparation method thereof, and the cement comprises the following components in parts by weight: 45-75 parts of regenerated powder, 15-50 parts of phosphate and 0-10 parts of a retarder. The waste magnesium phosphate cement is used for preparing the regenerated phosphate cement, so that the problem of high energy consumption when dead burned magnesium oxide prepared by replacing magnesite with regenerated powder is applied to the phosphate cement is solved, the source range of raw materials of the phosphate cement is widened, and meanwhile, the problem that the cost of the existing magnesium phosphate cement is relatively high is solved. Besides, the struvite and the novel amorphous product seed crystal in the regenerated powder can promote an early hydration reaction, can improve the early strength development of the regenerated magnesium phosphate cement, and can make up the problem that the cement performance becomes poor due to the low total MgO content in the regenerated magnesium phosphate cement. The regenerated phosphate cement solves the problem of accumulation of waste magnesium phosphate cement, and green sustainable cycle development of the magnesium phosphate cement is realized.
本发明公开了一种再生磷酸盐水泥及其制备方法，所述水泥包括再生粉体、磷酸盐和缓凝剂：其中，按照重量份数计算，再生粉体为45~75份，磷酸盐为15~50份，缓凝剂为0~10份。本发明将废弃磷酸镁水泥用于制备再生磷酸盐水泥，解决了将再生粉末替代菱镁矿制备的重烧氧化镁应用于磷酸水泥时能耗高的问题，拓宽了磷酸盐水泥原材料来源范围，同时降低现有磷酸镁水泥成本较高的问题。此外，再生粉体中的一水鸟粪石和新型无定型产物晶种可促进早期水化反应，能改善再生磷酸镁水泥早期强度发展，可弥补再生磷酸镁水泥中总MgO含量较低导致水泥性能变差的问题。再生磷酸盐水泥解决了废弃磷酸镁水泥的堆积问题，实现了磷酸镁水泥绿色可持续循环发展。
Regenerated phosphate cement and preparation method thereof
The invention discloses regenerated phosphate cement and a preparation method thereof, and the cement comprises the following components in parts by weight: 45-75 parts of regenerated powder, 15-50 parts of phosphate and 0-10 parts of a retarder. The waste magnesium phosphate cement is used for preparing the regenerated phosphate cement, so that the problem of high energy consumption when dead burned magnesium oxide prepared by replacing magnesite with regenerated powder is applied to the phosphate cement is solved, the source range of raw materials of the phosphate cement is widened, and meanwhile, the problem that the cost of the existing magnesium phosphate cement is relatively high is solved. Besides, the struvite and the novel amorphous product seed crystal in the regenerated powder can promote an early hydration reaction, can improve the early strength development of the regenerated magnesium phosphate cement, and can make up the problem that the cement performance becomes poor due to the low total MgO content in the regenerated magnesium phosphate cement. The regenerated phosphate cement solves the problem of accumulation of waste magnesium phosphate cement, and green sustainable cycle development of the magnesium phosphate cement is realized.
本发明公开了一种再生磷酸盐水泥及其制备方法，所述水泥包括再生粉体、磷酸盐和缓凝剂：其中，按照重量份数计算，再生粉体为45~75份，磷酸盐为15~50份，缓凝剂为0~10份。本发明将废弃磷酸镁水泥用于制备再生磷酸盐水泥，解决了将再生粉末替代菱镁矿制备的重烧氧化镁应用于磷酸水泥时能耗高的问题，拓宽了磷酸盐水泥原材料来源范围，同时降低现有磷酸镁水泥成本较高的问题。此外，再生粉体中的一水鸟粪石和新型无定型产物晶种可促进早期水化反应，能改善再生磷酸镁水泥早期强度发展，可弥补再生磷酸镁水泥中总MgO含量较低导致水泥性能变差的问题。再生磷酸盐水泥解决了废弃磷酸镁水泥的堆积问题，实现了磷酸镁水泥绿色可持续循环发展。
Regenerated phosphate cement and preparation method thereof
一种再生磷酸盐水泥及其制备方法
KUANG DONGLIANG (author) / LIU BO (author) / YU JINCHENG (author) / CHEN HUAXIN (author) / JI YONGAN (author) / OU YABIN (author) / WANG RUIYANG (author) / MA XIAOYAN (author)
2024-05-03
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
C01B
NON-METALLIC ELEMENTS
,
Nichtmetallische Elemente
/
C01F
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
,
Verbindungen der Metalle Beryllium, Magnesium, Aluminium, Calcium, Strontium, Barium, Radium, Thorium oder der Seltenen Erden
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