|本期目录/Table of Contents|

[1]刘硕,葛少成,王俊峰,等.基于量子化学分析表面活性剂对不同煤种润湿机理的影响*[J].中国安全生产科学技术,2021,17(11):105-111.[doi:10.11731/j.issn.1673-193x.2021.11.016]
　LIU Shuo,GE Shaocheng,WANG Junfeng,et al.Influence of surfactants on wettability mechanism of different coals based on quantum chemistry analysis[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(11):105-111.[doi:10.11731/j.issn.1673-193x.2021.11.016]
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基于量子化学分析表面活性剂对不同煤种润湿机理的影响*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年11期
页码:
105-111
栏目:
职业安全卫生管理与技术
出版日期:
2021-11-30

文章信息/Info

Title:
Influence of surfactants on wettability mechanism of different coals based on quantum chemistry analysis
文章编号:
1673-193X(2021)-11-0105-07
作者:
刘硕; 葛少成; 王俊峰; 孙丽英; 陈曦; 荆德吉; 康健婷
（1.太原理工大学 安全与应急管理工程学院，山西 太原 030024；
2.太原理工大学 矿业工程学院，山西 太原 030024；
3.辽宁工程技术大学 安全科学与工程学院，辽宁 阜新 123000）
Author(s):
LIU Shuo;  GE Shaocheng;  WANG Junfeng;  SUN Liying;  CHEN Xi;  JING Deji;  KANG Jianting
(1.College of Safety and Emergency Management Engineering,Taiyuan University of Technology,Taiyuan Shanxi 030024,China;
2.College of Mining Engineering,Taiyuan University of Technology,Taiyuan Shanxi 030024,China;
3.College of Safety Science and Engineering,Liaoning Technical University,Fuxin Liaoning 123000,China)
关键词:
量子化学; 表面活性剂; 润湿性; 粉尘防治; 表面静电势
Keywords:
quantum chemistry;  surfactant;  wettability;  dust prevention and control;  surface electrostatic potential
分类号:
X964
DOI:
10.11731/j.issn.1673-193x.2021.11.016
文献标志码:
A
摘要:
为研究不同类型表面活性剂对煤润湿性的调控机理，首先将所选煤样的润湿性与煤样成分进行关联分析，然后采用透过高度法实验及量子化学计算相结合的方法研究表面活性剂对煤样润湿性的影响效果及机理。结果表明：煤的润湿性与煤中固有水分、灰分呈正相关关系，与煤中固定碳呈负相关关系；所选取的4种表面活性剂的加入会降低褐煤的亲水性，而对长焰煤、焦煤和无烟煤亲水性有提升作用，并且十二烷基硫酸钠对于这3种煤样亲水性的提升作用最为明显；表面活性剂分子、水分子及煤分子的表面静电势分布共同决定了表面活性剂对煤浸润性的影响。
Abstract:
In order to study the regulation mechanism of different types of surfactants on the wettability of coal,the correlation analysis between the wettability of selected coal samples and their composition was carried out,and the influence effect and mechanism of surfactants on the wettability of coal samples were studied by the combining method of permeating height method experiment and quantum chemistry calculation.The results showed that the wettability of coal was positively correlated with the inherent moisture and ash content of coal,and negatively correlated with the fixed carbon content of coal.The addition of four selected surfactants would reduce the hydrophilicity of lignite,but improve the hydrophilicity of long-flame coal,coking coal and anthracite,and the sodium dodecyl sulfate had the most obvious improvement effect on the hydrophilicity of three coal samples.The influence of surfactant on the wettability of coal was jointly determined by the surface electrostatic potential distribution of surfactant,water and coal molecules.

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备注/Memo

备注/Memo:
收稿日期： 2021-03-10；网络首发日期： 2021-11-26
* 基金项目： 国家自然科学基金项目（52174195）；山西省高等学校科技成果转化培育项目（2020CG022）；辽宁省自然科学基金项目（2020-MS-304）
作者简介： 刘硕，博士，实验师，主要研究方向为煤矿火灾防治及矿井粉尘防治。
通信作者： 葛少成，博士，教授，主要研究方向为煤矿粉尘防治理论与技术。
更新日期/Last Update: 2021-12-08