二水石膏(CaSO4·2H2O)又称为生石膏,经过煅烧、磨细可得β型半水石膏(CaSO4·1/2H2O),即建筑石膏,又称熟石膏、灰泥。若煅烧温度为190 °C可得模型石膏,其细度和白度均比建筑石膏高。若将生石膏在400~500 °C或高于800 °C下煅烧,即得地板石膏,其凝结、硬化较慢,但硬化后强度、耐磨性和耐水性均较普通建筑石膏为好。
...用的影响 - 水泥质量 - 水泥粉磨网 关键词 二水石膏,硬石膏,盐石膏,磷石膏,凝结时间,抗压强度 [gap=719]Key Words gypsum,anhydrite,marine gypsum,phosphorous gypsum,setting time,compressive strength ..
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热电厂脱硫石膏与天然二水石膏相似,适合作水泥缓凝剂。
The FGD gypsum similar to the natural gypsum in common characteristics, and is adequately used as cement retarder.
缓凝剂对晶面的选择性吸附,改变了二水石膏晶体的生长习性和形貌。
The preferred adsorption of retarders on different faces of gypsum crystal changes growth habit of dihydrate crystal and its crystal morphology.
研究了用烧石膏代替二水石膏并掺入少量石灰石对水泥物理性能的影响。
The influences of adding calcined gypsum instead of dihydrate gypsum and adding a little limestone on the physical properties of cement were investigated.
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