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- The research on using waste gypsum from producing concrete admixture as cement retarder is presented. 介绍了利用生产混凝土外加剂时排放的工业废石膏作为水泥缓凝剂的研究。
- The FGD gypsum should be dried at low temperature for the use of cement retarder. 脱硫石膏作水泥缓凝剂必须低温烘干。
- Cement retarder G101 is prepared by glucose , chloroacetic acid and alkali .The synthetic method and evaluation of G101 are presented . 介绍了G101油井水泥缓凝剂的研制方法,并对其性能进行了初步评价。
- As cement retarder, the effect of desulphurize ash and dregs coming from power plant using fuel oil (DADFO) was studied here. 研究了石油焦脱硫灰渣用作水泥缓凝剂对水泥性能的影响。
- Impurities from phosphogypsum had deleterious effect on the property of cement when used as cement retarder,which caused limited application. 磷石膏用作水泥缓凝剂时,其中含有的杂质对水泥的性能产生不利影响,因此使其应用受到限制。
- In utilizing phosphogypsum as cement retarder, the traditional burnt phosphogypsum process for granulation is unsatisfied in large investment, high energy consumption and secondary pollution. 针对磷石膏改质煅烧成球工艺存在投资大、能耗高、二次污染的缺点,研究了磷石膏改质直接成球作水泥缓凝剂的新工艺。
- The pape introdues the types, synthesizing methods, retarding mechanism,performanceand application method of the alkylenephosphonic acids and sals oil well cement retarder. 综述了用作油井水泥缓凝剂的炕撑膦酸(盐)种类、合成方法、缓凝机理以及在水泥浆中的性能和使用方法。
- Gypsum for portland cement retarder 水泥用石膏
- Cement retarding agents can be produced by means of adopting lime and flyash to modify properties of phosphor-gypsum. 采用石灰、粉煤灰复合改性磷石膏的方法制备出水泥调凝剂。
- Water balance in pre-treatment unit of a cement retarder project 水泥缓凝剂项目中预处理工序与原磷酸装置如何建立水平衡
- Keywords phosphogypsum;solidified body;cement retarder; 磷石膏;固化体;水泥缓凝剂;
- In utilizing phosphogypsum as cement retarding agent,the traditional burnt phosphogypsum process for granulation is unsatisfied in large investment,high energy consumption and secondary pollution. 针对磷石膏改质煅烧成球工艺存在投资大、能耗高、二次污染的缺点,研究了磷石膏改质直接成球作水泥缓凝剂的新工艺。
- Modification of Fluor-gypsum and Its Application as a Cement Retarder 氟石膏改性及作水泥缓凝剂的研究
- The building is made of hydraulic cement. 大楼是用水硬水泥建造的。
- Cement output next year would be57 million tons. 明年的水泥产量(将)有5700万吨。
- The front of the brick house was faced with cement. 这栋砖房的正面抹了一层水泥。
- Our object is to further cement trade relations. 我们的目标是进一步加强贸易关系。
- Concrete is made of cement, sand, stone and water. 混凝土是由水泥,砂子石头和水混合做的。
- The sack of cement hit the ground with a thump. 水泥袋砰的一声落在地上。
- The cement will set in a few hours. 水泥几小时后就会凝固。