一种无氯复合水泥助磨剂试验研究

硅酸盐通报 ›› 2021, Vol. 40 ›› Issue (1): 64-70.

所属专题：水泥混凝土

一种无氯复合水泥助磨剂试验研究

曹虎^1,2, 李海燕¹, 陈梦龙¹, 段本厚¹, 高登¹, 王敢¹, 宋刘平¹, 艾春珲¹

1.山东中岩建材科技有限公司,枣庄 277110;
2.中建材中岩科技有限公司,北京 100024

收稿日期:2020-08-06 修回日期:2020-09-26 出版日期:2021-01-15 发布日期:2021-02-07
作者简介:曹虎(1981—),男,高工。主要从事混凝土、外加剂、水泥助磨剂方面的研究。E-mail:68813530@qq.com
基金资助:
枣庄市自主创新及成果转化计划(2016GX06)

Experimental Study on a Chlorine Free Composite Cement Grinding Aid

CAO Hu^1,2, LI Haiyan¹, CHEN Menglong¹, DUAN Benhou¹, GAO Deng¹, WANG Gan¹, SONG Liuping¹, AI Chunhun¹

1. CNBM Shandong Zhongyan Technology Co.,Ltd.,Zaozhuang 277110,China;
2. CNBM Zhongyan Technology Co.,Ltd.,Beijing 100024,China

Received:2020-08-06 Revised:2020-09-26 Online:2021-01-15 Published:2021-02-07

摘要/Abstract

摘要： 本文对一种无氯复合水泥助磨剂进行研究,该助磨剂不含有腐蚀设备的卤素离子,可以有效提升水泥粉磨效率,改善水泥颗粒分布并增加水泥强度。选用新型改性醇胺作为助磨剂的基体材料,和3种常用原材料加上辅料复配助磨剂进行小磨试验,评价助磨剂性能,分析各组分的影响,运用极差分析确定每种材料最优配比,采用SEM对水泥水化产物进行表征。与空白样进行对比,该助磨剂对水泥性能提升明显,其中水泥45 μm筛余值降低了24.0%,3 d抗压强度提高3.8 MPa,28 d抗压强度提高5.4 MPa,并且使用该助磨剂的水泥在混凝土应用中工作性能好,强度更高,耐久性更佳。

关键词: 水泥助磨剂, 正交试验, 助磨效果, 力学性能, 耐久性

Abstract: A chlorine free composite cement grinding aid was studied.The grinding aid does not contain halogen ions which corrode the equipment.It can effectively improve the grinding efficiency of cement,improve the distribution of cement particles and enhance the strength of cement.The new modified alcohol amine was selected as the matrix material of grinding aids,and three kinds of common raw materials with auxiliary materials were used to make small grinding test.The performance of grinding aids was evaluated,and the influence of each component was analyzed.The optimal ratio of each material was determined by range analysis,and the hydration products of cement were characterized by SEM.Compared with the blank sample,the performance of cement is significantly improved by the grinding aid,in which the cement 45 μm sieve residue decreases by 24.0%,3 d compressive strength increases by 3.8 MPa,and 28 d compressive strength increases by 5.4 MPa.And the cement using the grinding aid has better working performance,higher strength and better durability in concrete application.

Key words: cement grinding aid, orthogonal test, grinding effect, mechanical property, durability

中图分类号:

TQ172

曹虎, 李海燕, 陈梦龙, 段本厚, 高登, 王敢, 宋刘平, 艾春珲. 一种无氯复合水泥助磨剂试验研究[J]. 硅酸盐通报, 2021, 40(1): 64-70.

CAO Hu, LI Haiyan, CHEN Menglong, DUAN Benhou, GAO Deng, WANG Gan, SONG Liuping, AI Chunhun. Experimental Study on a Chlorine Free Composite Cement Grinding Aid[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(1): 64-70.

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一种无氯复合水泥助磨剂试验研究

Experimental Study on a Chlorine Free Composite Cement Grinding Aid

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