乳化沥青粒度与稳定性的影响因素及其相关性考察

石油炼制与化工 ›› 2013, Vol. 44 ›› Issue (7): 12-16.

乳化沥青粒度与稳定性的影响因素及其相关性考察

赵品晖,范维玉,张凌波,南国枝

中国石油大学重质油国家重点实验室

收稿日期:2012-11-07 修回日期:2013-01-15 出版日期:2013-07-12 发布日期:2013-06-27
通讯作者: 范维玉 E-mail:fanwyu@upc.edu.cn

STUDY ON INFLUENCING FACTORS ON PARTICLE SIZE AND STABILITY OF ASPHALT EMULSION AND THEIR CORRELATION

Received:2012-11-07 Revised:2013-01-15 Online:2013-07-12 Published:2013-06-27

摘要/Abstract

摘要： 采用激光粒度法和贮存稳定性试验考察乳化剂、皂液pH值、贮存温度、贮存时间对乳化沥青的粒度和贮存稳定性的影响，利用灰色关联理论分析了稳定性和粒度与各因素之间的关联度，并探讨了两者之间的相关性。结果表明：各因素对乳化沥青的平均粒径和稳定性的影响规律是一致的，两者呈现出较好的相关性。随着乳化剂用量的增加，平均粒径减小、贮存稳定性变好，最后两者都趋于稳定；随着皂液pH值和贮存温度的升高，平均粒径变大，贮存稳定性变差；随着贮存时间的增加，平均粒径呈变大的趋势，贮存稳定性逐渐变差。由灰色关联分析可知稳定性与各因素之间的关联度由大到小顺序为：pH值、贮存温度、乳化剂、沥青类型、贮存时间，粒度与各因素之间关联度由大到小的顺序为：pH值、贮存温度、乳化剂、贮存时间、沥青类型。

Abstract: The influence of emulsifier, soap solution pH value, storage time, storage temperature on the particle size and stability of bitumen emulsion was investigated by means of laser particle size analysis and residue content difference tests. The correlation degree between stability/particle size and various factors was analyzed based on the gray relation theory, and the correlation between stability and particle size was also investigated. Results show that there are good correlations between the influencing factors with the particle size and stability of bitumen emulsion. When the dosage of emulsifier is increased, the particle size and storage stability are both reduced, creating more stable emulsions, then the trend tends to be stable at last. The particle size and storage stability are both increased as pH value of the system and storage temperature increases. The particle size and storage stability increases firstly and then comes to a plateau with storage time increasing. The gray correlation analysis shows that the correlation between the stability and various influencing factors descends in the order: pH value>storage temperature>emulsifier>asphalt type>storage time， while the correlation between the particle size and various factors decreases in the order: pH value>the storage temperature>emulsifier>storage time>asphalt types.

赵品晖范维玉张凌波南国枝. 乳化沥青粒度与稳定性的影响因素及其相关性考察[J]. 石油炼制与化工, 2013, 44(7): 12-16.

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, [1] 夏朝彬,马波.国内外乳化沥青的发展及应用概况[J].石油与天然气化工，2004,23:20-22.
[2] 韩冬，王京东，余玉成.评价改性乳化沥青稳定性的新方法[J]石油沥青，2003,17:17-20.
[3] Masood Irshad, Agarwal SK, Sinha UN. Effect of various admixtures on the particle size distribution of cement determined with the aid of laser particle analyzer. Cem Concr Res 1994;24(3):527–32.
[4] FAzhou Wang, Yunpeng Liu, Yunhua Zhang, Shuguang Hu. Experimental study on the stability of asphalt emulsion for CA mortar by laser diffraction technique[J]Construction and Building Materials，2012,28:117-121.
[5] 邓聚龙.灰色系统基本方法[M].武汉：华中理工大学出版社，1987.5.
[6] 周秀文．灰色关联度的研究与应用[D]．长春：吉林大学，2007．
[7] 赵晶，谭忆秋.灰色系统理论应用于SBS改性沥青的研究[J].石油沥青，1999,13（1）：12-15
[8] 罗桑，钱振东，宗海．基于灰关联分析的环氧沥青混合料抗弯拉性能研究[J]．武汉理工大学学报(交通科学与工程版)，2008（3）：393-396．
[9] 王鹏，黄晓明，曾凡奇．灰色关联分析法在沥青低温性能指标中的应用[J]．北京建筑工程学院学报，2006（1）：29-31,34．
[10] Chen G, Tao D. An experimental study of stability of oil–water emulsion. Fuel Sci Technol 2005;86(5):499–508.
[11] 王丽娜，范维玉，南国枝,等.沥青乳化剂及沥青乳液性能研究[J].石油大学学报（自然科学版），2002,26（2）：99-101,109.
[12] 才洪美，张玉贞，王涛.SBS胶乳改性乳化沥青稳定性研究[J].石油沥青，2008,22(3):20-23.
[13] Kulmyrzaev A, Chanamai R, McClements DJ. Influence of pH and CaCl2 on the stability of dilute whey protein stabilized emulsions. Food Res Int 2003；33（1）：15-20.
[14] Zhang T, Jiang B, M u W M, et al. Emulsifying properties of chickpea protein isolates: influence of pH and NaCl [J] .Food Hydrocolloids, 2009, 23: 146- 152.
[15] Liang BR, Chen CG, Zhang HW. Study of rheological property of complex asphalt emulsion. Appl Chem Ind 2010;39(7):1012–5 [in Chinese].