Mingli Cao

Doctoral Degree

Dalian University of Technology

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Gender:Female
Business Address:School of Infrastructure Engineering,DUT
Room 218, Haiyu Building
No.2 Linggong Road, Gaoxinyuan District
Dalian, P.R.China (116024)
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脱硫石膏-粉煤灰-矿粉复合胶结材改性研究

Release Time:2019-03-10 Hits:

Indexed by: Journal Article
Date of Publication: 2010-04-25
Journal: 新型建筑材料
Included Journals: ISTIC、PKU
Volume: 37
Issue: 4
Page Number: 9-12
ISSN: 1001-702X
Key Words: 脱硫石膏;粉煤灰;矿粉;外加剂
Abstract: 脱硫石膏作为烟气脱硫工艺的副产品,不仅价格低,来源广,而且具有与天然石膏相近的性质和优点.研究了不同矿物掺合料(粉煤灰和矿粉)、不同外加剂掺量以及不同配比对脱硫石膏基材料性能的影响.结果表明,将硅酸钠作为早强剂,体系的早期抗折、抗压强度与空白样相比分别提高150%和30.6%;生石灰和水泥双激发可使体系的强度提高100%以上;粉煤灰与矿粉复掺时,强度和经济效益都得到保证.综合考虑,FGD体系的配比为:m(脱硫石膏):m(粉煤灰):m(矿粉)=40:20:40.