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[1]边云朋,张雷林.纳米氢氧化铝三相泡沫制备研究*[J].中国安全生产科学技术,2021,17(9):59-65.[doi:10.11731/j.issn.1673-193x.2021.09.009]
　BIAN Yunpeng,ZHANG Leilin.Study on preparation of nano aluminum hydroxide three-phase foam[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(9):59-65.[doi:10.11731/j.issn.1673-193x.2021.09.009]
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纳米氢氧化铝三相泡沫制备研究*
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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9期
页码:
59-65
栏目:
职业安全卫生管理与技术
出版日期:
2021-09-30

文章信息/Info

Title:
Study on preparation of nano aluminum hydroxide three-phase foam
文章编号:
1673-193X(2021)-09-0059-07
作者:
边云朋; 张雷林
(1.安徽理工大学 能源与安全学院，安徽 淮南 232001；
2.安徽理工大学 煤炭高效开采省部共建教育部重点实验室，安徽 淮南 232001)
Author(s):
BIAN Yunpeng;  ZHANG Leilin
(1.Institute of Energy and Safety,Anhui University of Science and Technology,Huainan Anhui 232001,China;
2.Key Laboratory of Mine Safety and High Efficient Mining Jointly built by Province and Education Ministry,Anhui University of Science and Technology,Huainan Anhui 232001,China)
关键词:
纳米氢氧化铝; 表面活性剂; 泡沫稳定性; 阻燃特性
Keywords:
nano aluminum hydroxide;  surfactant;  foam stability;  flame retardant properties
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2021.09.009
文献标志码:
A
摘要:
为更好地解决煤矿采空区煤炭自燃问题，以十二烷基硫酸钠为主体进行发泡剂复配，通过泡沫性能测试实验，研制出高性能发泡剂。以纳米氢氧化铝作为固相颗粒，制备出发泡倍数高、稳定性强的纳米氢氧化铝三相泡沫，使用锥形量热仪研究其高温阻燃能力和消烟性能。实验结果表明：当纳米氢氧化铝的质量分数从0提高到1%时，泡沫体积从500 mL增长至830 mL；当质量分数从3%提高到4%时，泡沫析液半衰期由15 min提升至42 min，且能在完全析液后保留三维网状结构。在高温阻燃和消烟能力方面，纳米氢氧化铝三相泡沫的加入将点燃时间从24 s延长至87 s，持续燃烧时间从835 s缩短至325 s，热释放速率高峰值从97.2 kW/m2降低至49.8 kW/m2，烟气生成速率峰值从0.064 m2/s降低至0.012 m2/s，对CO，CO2释放速率也有一定抑制作用。
Abstract:
In order to better solve the problem of spontaneous combustion of coal in the goaf of coal mine,the foaming agent was compounded with sodium dodecyl sulfate as the main body,and the high-performance foaming agent was developed through the test experiments of foam performance.Taking the nano aluminum hydroxide as the solid phase particles,a three-phase nano aluminum hydroxide foam with high foaming ratio and strong stability was prepared,and its high-temperature flame retardancy and smoke elimination performance were studied by using the cone calorimeter.The experimental results showed that when the mass fraction of nano aluminum hydroxide increased from 0 to 1%,the volume of foam increased from 500 mL to 830 mL.When the mass fraction increased from 3% to 4%,the half-life of foam solution increased from 15 min to 42 min,and the three-dimensional network structure could be retained after the complete liquid separation.In terms of high-temperature flame retardancy and smoke elimination ability,the ignition time when adding the nano aluminum hydroxide three-phase foam extended from 24 s to 87 s,the continuous combustion time shortened from 835 s to 325 s,the peak heat release rate decreased from 97.2 kW/m2 to 49.8 kW/m2,the peak smoke generation rate reduced from 0.064 m2/s to 0.012 m2/s,and it also had certain inhibition effect on the release rate of CO and CO2.

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备注/Memo

备注/Memo:
收稿日期： 2020-12-05
* 基金项目： 国家自然科学基金项目（51874008）
作者简介： 边云朋,硕士研究生，主要研究方向为矿井煤自燃与防灭火。
通信作者： 张雷林,副教授,博士，主要研究方向为矿井煤自燃与防灭火、矿井瓦斯灾害防治。
更新日期/Last Update: 2021-10-02