脱硫石膏制备高强α-半水石膏的晶形改良剂与工艺参数研究  

Research on crystal form modifying agent and technological parameters of high strength α-hemi-hydrated gypsum made with desulfogypsum

作　　者：段珍华[1] 秦鸿根[1] 李岗 唐修仁[1] 闻朝晖 

机构地区：[1]东南大学江苏省土木工程材料重点实验室,江苏南京211189 [2]南京市墙体材料革新与建筑节能管理办公室,江苏南京210029

出　　处：《新型建筑材料》2008年第8期1-4,共4页New Building Materials

基　　金：南京市墙体材料革新与建筑节能办公室项目(宁墙办[2006]023号)

摘　　要：以电厂脱硫石膏为原料,采用"动态水热法",通过掺加适当、适量的晶形改良剂引调整制备工艺技术参数等方法,成功地生产出抗压强度为40～60MPa的高强α-半水石膏,并可联动生产石膏砌块。采用此工艺,生产中可减少石膏粉干燥工序,由此可降低热耗40%。High strength α-hemi-hydrated gypsum with block can be successfully made by taking desulfogypsum compression strength of 40-60 MPa or linkage production of gypsum from power plant as raw material, adopting ＂dynamic hydrothermal method＂, adding suitable and proper amount of crystal form modifying agent and adjusting process technical parameters. This technology cuts down the drying procedure of gypsum powder in the production thus reduces 40% heat consumption.

关 键 词：动态水热法 晶形改良剂 制备工艺参数 高强α-半水石膏 

分 类 号：TQ177.31[化学工程—硅酸盐工业]