[1]于谦,郭子如,何志伟,等.典型工业炸药耐热性实验研究[J].爆破器材,2019,48(01):47-51,57.[doi:10.3969/j.issn.1001-8352.2019.01.009]
 YU Qian,GUO Ziru,HE Zhiwei,et al.Experimental Study on Heat Resistance of Typical Industrial Explosives[J].EXPLOSIVE MATERIALS,2019,48(01):47-51,57.[doi:10.3969/j.issn.1001-8352.2019.01.009]
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典型工业炸药耐热性实验研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
48
期数:
2019年01
页码:
47-51,57
栏目:
爆炸材料
出版日期:
2019-01-18

文章信息/Info

Title:
Experimental Study on Heat Resistance of Typical Industrial Explosives
文章编号:
5299
作者:
于谦郭子如何志伟刘锋
安徽理工大学化学工程学院 (安徽淮南, 232001)
Author(s):
YU Qian GUO Ziru HE Zhiwei LIU Feng
School of Chemical Engineering, Anhui University of Science and Technology (Anhui Huainan, 232001)
关键词:
工业炸药高温爆破热分解 耐热
Keywords:
industrial explosives high temperature blasting thermal decomposition heat resistance
分类号:
TJ55
DOI:
10.3969/j.issn.1001-8352.2019.01.009
文献标志码:
A
摘要:
针对工业炸药实际应用于露天深孔煤矿火区高温爆破的现状,在实验室规模下模拟高温炮孔加热技术,用这种实验技术来分析两种典型添加物质对铵油炸药热分解特性的影响,以及对比铵油炸药、乳化炸药和水胶炸药耐高温性能。研究结果表明:相对于其他两种工业炸药,铵油炸药的耐热性能更好,更适用于火区高温爆破;在铵油炸药中添加5 %(质量分数)NH4Cl,分解反应峰温度降低了24.8 ℃,并且缩短了样品到达恒定的烘箱温度的时间,NH4Cl 的加入显著降低了铵油炸药的耐热性;在铵油炸药中添加5%(质量分数)Na2SO4,延长了样品到达恒定的烘箱温度的时间,提高了铵油炸药的耐温性能。结果为耐热工业炸药配方设计提供了依据。
Abstract:
Aiming at application of industrial explosives in the high temperature blasting in the fire zone of open-pit deep coal mine, simulated high temperature blast hole heating technology was studied. This experimental technique was used to analyze the effect of two typical additives on thermal decomposition characteristics of ammonium explosives, and performances of high temperature resistance of ammonium explosives, emulsion explosives and water gel explosives were compared. The results show that, compared with the other two kinds of industrial explosives, ammonium explosive exhibits better high temperature resistance, and thus is more suitable for high temperature blasting in the fire area. Adding 5% NH4Cl to ammonium explosive decreased the peak temperature in thermal decomposition reaction by 24.8 ℃, and it also shortens the time of samples to reach the constant temperature of the oven, indicating that the addition of NH4Cl significantly reduces the heat resistance of the ammonium explosive. Adding 5% Na2SO4 to ammonium explosive, time of the ammonium explosive to arrive at the same constant temperature as the oven has been expanded, and it has improved the heat resistance of ammonium explosive. It provides a basis for the design of heat-resistant industrial explosives.

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备注/Memo

备注/Memo:
收稿日期:2018-09-26
第一作者:于谦(1994-),男,硕士研究生,主要从事含能材料热分解方面研究。E-mail:574735111@qq.com
通信作者:郭子如(1962-),男,教授,主要从事爆炸(含能)材料、爆炸作业及效应、爆炸燃烧安全等方面研究。E-mail:34999704@qq.com
更新日期/Last Update: 2019-01-17