纳米氢氧化镁对无氟泡沫灭火剂性能的影响

doi:10.16085/j.issn.1000-6613.2023-1863

化工进展 ›› 2024, Vol. 43 ›› Issue (11): 6390-6396.DOI: 10.16085/j.issn.1000-6613.2023-1863

• 精细化工 • 上一篇

纳米氢氧化镁对无氟泡沫灭火剂性能的影响

陈合敏¹(), 欧红香¹(), 薛洪来¹, 闵政¹, 曹海珍¹, 王钧奇²

^1.常州大学安全科学与工程学院，江苏常州 213164
^2.江苏锁龙消防科技股份有限公司，江苏泰州 225753

收稿日期:2023-10-23 修回日期:2023-12-04 出版日期:2024-11-15 发布日期:2024-12-07
通讯作者: 欧红香
作者简介:陈合敏（1999—），女，硕士研究生，研究方向为无氟泡沫灭火剂的制备及性能。E-mail：1443153799@qq.com。
基金资助:
国家自然科学基金(22378028);江苏省产学研合作项目(BY20221168);江苏省高等学校基础科学（自然科学）研究面上项目(22KJB620002);2022年江苏省研究生教育教学改革重点课题(苏学位字函〔2022〕4号);常州大学教育教学研究重点课题(GJY2021005)

Effect of nano-magnesium hydroxide on the performance of fluorine-free foam extinguishing agent

CHEN Hemin¹(), OU Hongxiang¹(), XUE Honglai¹, MIN Zheng¹, CAO Haizhen¹, WANG Junqi²

^1.School of Safety Science and Engineering, Changzhou University, Changzhou 213164, Jiangsu, China
^2.Jiangsu Suolong Fire Science and Technology Shares Limited Company, Taizhou 225753, Jiangsu, China

Received:2023-10-23 Revised:2023-12-04 Online:2024-11-15 Published:2024-12-07
Contact: OU Hongxiang

摘要/Abstract

摘要：

以聚醚改性三硅氧烷、CTAB为表面活性剂，以纳米氢氧化镁、黄原胶为稳泡剂制备无氟泡沫灭火剂，采用L₉(3⁴)正交表分析泡沫溶液表面张力、发泡性能及稳泡性能，选用正交优化后的泡沫配方进行灭火和抗烧实验研究。研究结果表明：复配体系泡沫溶液黏度较低，在1.00~1.21mPa·s之间；由质量分数为0.8%的CTAB与12%的聚醚改性三硅氧烷组成的泡沫溶液表面张力最低，为19.73mN/m；聚醚改性三硅氧烷与CTAB协同作用，增强了溶液发泡性能与泡沫稳定性，当纳米氢氧化镁的质量分数为0.5%时，溶液的发泡高度最优，达到207mm，25%析液时间从205s增长到216s；用质量分数为1.2% CTAB、12%聚醚改性三硅氧烷、0.5%纳米氢氧化镁及0.05%黄原胶制备的泡沫灭火剂扑灭油盘面积为0.25m²的正庚烷火，灭火时间为107s，抗烧时间达到372s。

关键词: 纳米氢氧化镁, 表面活性剂, 泡沫稳定性, 灭火性能, 无氟泡沫灭火剂

Abstract:

In this paper, polyether-modified trisiloxane and CTAB as surfactants, and nano-magnesium hydroxide and xanthan gum as stabilizing agent were prepared for preparation of fluorine-free foam fire extinguishing agent. L₉(3⁴) orthogonal table was used to analyze surface tension, foaming performance and foam stability of foam solution, and orthogonally optimized foam formula was selected for fire fighting and anti-burning experimental research. The results showed that the viscosity of the compound system was low between 1.00—1.21mPa·s. The foam solution composed of CTAB with mass fraction of 0.8% and 12% polyether-modified trisiloxane had the lowest surface tension of 19.73mN/m. Polyether-modified trisiloxane cooperated with CTAB to enhance the solution foaming performance and foam stability. When the mass fraction of nanometer magnesium hydroxide was 0.5%, the solution foaming was highly optimal, reaching 207mm, and the 25% solution time increased from 205s to 216s. The foam fire extinguishing agent prepared with the mass fraction of 1.2% CTAB, 12% polyether-modified trisiloxane, 0.5% nano-magnesium hydroxide and 0.05% xanthan gum was used to extinguish the n-heptane fire with the oil pan area of 0.25m², and the fire extinguishing time was 107s with the anti-burning time of 372s.

Key words: nano-magnesium hydroxide, surfactant, foam stability, fire extinguishing performance, fluorine-free foam extinguishing agent

中图分类号:

X937

陈合敏, 欧红香, 薛洪来, 闵政, 曹海珍, 王钧奇. 纳米氢氧化镁对无氟泡沫灭火剂性能的影响[J]. 化工进展, 2024, 43(11): 6390-6396.

CHEN Hemin, OU Hongxiang, XUE Honglai, MIN Zheng, CAO Haizhen, WANG Junqi. Effect of nano-magnesium hydroxide on the performance of fluorine-free foam extinguishing agent[J]. Chemical Industry and Engineering Progress, 2024, 43(11): 6390-6396.

图/表 10

参考文献 27

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水平	因素
水平	CTAB(A)%	聚醚改性三硅氧烷(B)%	纳米氢氧化镁(C)%	黄原胶(D)%
1	0.8	4	0	0
2	1.2	8	0.5	0.05
3	1.6	12	1.5	0.15

水平	因素
水平	CTAB(A)%	聚醚改性三硅氧烷(B)%	纳米氢氧化镁(C)%	黄原胶(D)%
1	0.8	4	0	0
2	1.2	8	0.5	0.05
3	1.6	12	1.5	0.15

实验号	A	B	C	D	表面张力 /mN·m^-1	发泡高度h₀/mm	25%析液时间/s	黏度 /mPa·s
1	1	1	1	1	20.20	186	158	1.00
2	1	2	2	2	20.00	192	195	1.06
3	1	3	3	3	19.87	189	192	1.16
4	2	1	2	3	22.86	186	170	1.03
5	2	2	3	1	20.68	198	201	1.10
6	2	3	1	2	19.97	192	205	1.20
7	3	1	3	2	29.97	189	170	1.06
8	3	2	1	3	20.34	195	185	1.13
9	3	3	2	1	20.17	201	200	1.16

实验号	A	B	C	D	表面张力 /mN·m^-1	发泡高度h₀/mm	25%析液时间/s	黏度 /mPa·s
1	1	1	1	1	20.20	186	158	1.00
2	1	2	2	2	20.00	192	195	1.06
3	1	3	3	3	19.87	189	192	1.16
4	2	1	2	3	22.86	186	170	1.03
5	2	2	3	1	20.68	198	201	1.10
6	2	3	1	2	19.97	192	205	1.20
7	3	1	3	2	29.97	189	170	1.06
8	3	2	1	3	20.34	195	185	1.13
9	3	3	2	1	20.17	201	200	1.16

参数	表面张力/mN·m^-1
参数	A	B	C	D
K₁	60.07	73.03	60.51	61.05
K₂	63.51	61.02	63.03	69.94
K₃	70.48	60.01	70.52	63.07
K₁	20.02	24.34	20.17	20.35
K₂	21.17	20.34	21.01	23.31
K₃	23.49	20.00	23.51	21.02
R	3.47	4.34	3.34	2.96
主次顺序	B>A>C>D
最优条件	A₁	B₃	C₁	D₁
最佳组合	A₁B₃C₁D₁

纳米氢氧化镁对无氟泡沫灭火剂性能的影响

Effect of nano-magnesium hydroxide on the performance of fluorine-free foam extinguishing agent

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参考文献 27

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实验号	性能指标	实验组	表面张力/mN·m^-1	发泡高度h₀/mm	25%析液时间/s	黏度/mPa·s
a	表面张力	A₁B₃C₁D₁	19.73	195	165	1.16
b	发泡高度	A₃B₂C₂D₁	28.77	207	167	1.08
c	25%析液时间	A₂B₃C₂D₂	19.90	204	216	1.10

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参数	发泡高度h₀/mm
参数	A	B	C	D
K₁	567	561	573	585
K₂	576	585	579	573
K₃	585	582	576	570
K₁	189	187	191	195
K₂	192	195	193	191
K₃	195	194	192	190
R	6	8	2	5
主次顺序	B>A>D>C
最优条件	A₃	B₂	C₂	D₁
最佳组合	A₃B₂C₂D₁

参数	发泡高度h₀/mm
参数	A	B	C	D
K₁	567	561	573	585
K₂	576	585	579	573
K₃	585	582	576	570
K₁	189	187	191	195
K₂	192	195	193	191
K₃	195	194	192	190
R	6	8	2	5
主次顺序	B>A>D>C
最优条件	A₃	B₂	C₂	D₁
最佳组合	A₃B₂C₂D₁

参数	25%析液时间/s
参数	A	B	C	D
K₁	545	498	548	559
K₂	576	581	565	570
K₃	555	597	563	547
K₁	181.67	166.00	182.67	186.33
K₂	192.00	193.67	188.33	190.00
K₃	185.00	199.00	187.67	182.33
R	10.33	33.00	5.67	7.67
主次顺序	B>A>D>C
最优条件	A₂	B₃	C₂	D₂
最佳组合	A₂B₃C₂D₂

参数	25%析液时间/s
参数	A	B	C	D
K₁	545	498	548	559
K₂	576	581	565	570
K₃	555	597	563	547
K₁	181.67	166.00	182.67	186.33
K₂	192.00	193.67	188.33	190.00
K₃	185.00	199.00	187.67	182.33
R	10.33	33.00	5.67	7.67
主次顺序	B>A>D>C
最优条件	A₂	B₃	C₂	D₂
最佳组合	A₂B₃C₂D₂