多元固废协同制备超细高活性矿物掺合料及性能研究

doi:10.16552/j.cnki.issn1001-1625.2024.1323

硅酸盐通报 ›› 2025, Vol. 44 ›› Issue (5): 1824-1833.DOI: 10.16552/j.cnki.issn1001-1625.2024.1323

多元固废协同制备超细高活性矿物掺合料及性能研究

马召林¹, 明阳², 李文俊¹, 任昊², 刘永道³, 田唯⁴, 张国志⁴, 陈飞翔⁴, 窦广元⁵, 范志宏⁶

1.中铁隧道局集团(上海)特种高新技术有限公司,上海 200120;
2.桂林理工大学,广西绿色建材与建筑工业化重点实验室,桂林 541004;
3.广西中建西部建设有限公司,南宁 530000;
4.中交第二航务工程局有限公司,武汉 430040;
5.广西北港建设开发有限公司,南宁 530000;
6.中交四航工程研究院有限公司,广州 510230

收稿日期:2024-11-05 修订日期:2025-01-15 发布日期:2025-05-20
通信作者: 明阳,研究员。E-mail:my574081667@126.com
作者简介:马召林(1980—),男,教授级高级工程师。主要从事隧道及地下工程方向的研究。E-mail:411266536@qq.com
基金资助:
广西科技重大专项(桂科AA22068073-3,桂科AA23023017-5);广西重点研发计划(桂科AB23026126);中央引导地方科技发展资金项目(20221229)

Preparation and Performance of Ultrafine and High Active Mineral Admixture by Multiple Solid Wastes Synergy

MA Shaolin¹, MING Yang², LI Wenjun¹, REN Hao², LIU Yongdao³, TIAN Wei⁴, ZHANG Guozhi⁴, CHEN Feixiang⁴, DOU Guangyuan⁵, FAN Zhihong⁶

1. China Railway Tunnel Group Special High-Tech Co., Ltd., Shanghai 200120, China;
2. Guangxi Key Laboratory of Green Building Materials and Construction, Guilin University of Technology, Guilin 541004, China;
3. Guangxi Zhongjian Western Construction Co., Ltd., Nanning 530000, China;
4. CCCC Second Harbour Engineering Co., Ltd., Wuhan 430040, China;
5. Guangxi Beigang Construction and Development Co., Ltd., Nanning 530000, China;
6. China Communications Construction Fourth Harbour Engineering Research Institute Co., Ltd., Guangzhou 510230, China

Received:2024-11-05 Revised:2025-01-15 Online:2025-05-20

摘要/Abstract

摘要： 采用多元工业固废协同制备绿色超细高活性矿物掺合料,研究了原材料配比和粉磨参数对掺合料综合性能的影响,通过XRD、TGA和SEM等技术手段分析了水化产物和微观结构特征。结果表明,将水淬锰渣、钢渣、粉煤灰和脱硫石膏按质量比8:3:8:1与0.10%(质量分数)的助磨剂混合后,共同粉磨至比表面积800 m²/kg,所制备的掺合料7 d活性指数可达97.4%,28 d活性指数可达110.0%,流动度比为95.1%。该掺合料在早期通过物理填充和钙矾石生成降低强度损失,后期则通过协同水化作用和火山灰效应促进强度发展。研究结果对实现低活性固废的高附加值利用和建材行业的可持续发展具有重要意义。

关键词: 工业固废, 矿物掺合料, 超细粉磨, 活性指数, 水化产物, 微观结构

Abstract: An green ultrafine and high active mineral admixture was developed through the synergistic utilization of various industrial solid wastes. This study systematically investigated the effects of raw material ratios and milling parameters on the performance of admixture, with hydration products and microstructural characteristics analyzed using XRD, TGA, and SEM techniques. The results demonstrate that when water quenched manganese slag, steel slag, fly ash, and desulfurization gypsum are mixed in a mass ratio of 8:3:8:1 with 0.10% (mass fraction) of a milling aid and jointly ground to a specific surface area of 800 m²/kg, the admixture achieves a 7 d activity index of 97.4% and a 28 d activity index of 110.0%, along with a flowability ratio of 95.1%. In the early stage, the admixture minimizes strength loss through physical filling and the formation of calcium aluminate hydrates, while in the later stage, synergistic hydration and pozzolanic reactions enhance strength development. The research results are of great significance for realizing high value-added utilization of low active solid waste and sustainable development of building materials industry.

Key words: industrial solid waste, mineral admixture, ultrafine milling, activity index, hydration product, microstructure

中图分类号:

TU526

马召林, 明阳, 李文俊, 任昊, 刘永道, 田唯, 张国志, 陈飞翔, 窦广元, 范志宏. 多元固废协同制备超细高活性矿物掺合料及性能研究[J]. 硅酸盐通报, 2025, 44(5): 1824-1833.

MA Shaolin, MING Yang, LI Wenjun, REN Hao, LIU Yongdao, TIAN Wei, ZHANG Guozhi, CHEN Feixiang, DOU Guangyuan, FAN Zhihong. Preparation and Performance of Ultrafine and High Active Mineral Admixture by Multiple Solid Wastes Synergy[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2025, 44(5): 1824-1833.

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多元固废协同制备超细高活性矿物掺合料及性能研究

Preparation and Performance of Ultrafine and High Active Mineral Admixture by Multiple Solid Wastes Synergy

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