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科技导报
|研究论文
2012
, 30
(1) :
60
-64
硝酸铵长期存放后热稳定性研究
全屏
王霁
作者信息
中国人民武装警察部队学院消防工程系,廊坊 065000
Study on Thermal Characteristics of Ammonium Nitrate After Long-term Storage
WANG Ji
Affiliations
Department of Fire Protection Engineering, Chinese People's Armed Police Fore Academy, Langfang 065000, Hebei Province, China
出版时间: 2012-01-08
doi: 10.3981/j.issn.1000-7857.2012.01.011
文章导航
利用绝热加速量热仪对在室温下存放不同时间的硝酸铵的热分解参数进行了实验测定,结果显示,存放10a和20a的硝酸铵与新生产的硝酸铵相比,初始放热温度分别降低了42.26℃和58.02℃,最高温度分别升高了20.28℃和197.55℃,绝热温升分别提高了62.54℃和255.57℃,最大温升速率分别提高了31.1倍和 99.3倍。常温下长时间存放的硝酸铵热危险性增大,主要是因为含有了使其活性增大的硝酸和水分。研究结果为硝酸铵的安全储存提供了有益的数据参考。
硝酸铵
/
长期存放
/
热稳定性
/
加速量热仪
Development and implementation of security measures for storage of ammonium nitrate are lack of appropriate reference data, because of few studies for thermal characteristics of ammonium nitrate after long-term storage. In order to address this situation, the thermal decomposing parameters of ammonium nitrate, which have been stored for 10 years, 20 years, and new produced, were measured by using adiabatic accelerating rate calorimeter. The test data was amended by means of thermal inertia factor Φ . It was showed that when compared with the new produced ammonium nitrate, the initial decomposition temperature of ammonium nitrate stored for 10 years and 20 years was reduced by 42.26℃, 58.02℃ respectively; the maximum decomposition temperature was improved by 20.28℃ and 179.55℃; the temperature rise was increased by 62.54℃ and 255.57℃; the maximum rate of temperature rise was improved by 31.1 times and 99.3 times. Through the mechanism analysis of the long-term storage of ammonium nitrate, due to the dual catalytic nitric acid and water, the ammonium nitrate contained nitric acid and water, which led the thermal hazard of ammonium nitrate after long stored in room temperature deteriorated. The tests conclusions can be the beneficial reference for the store safety of ammonium nitrate.
ammonium nitrate
/
long-term storage
/
thermal stability
/
accelerating rate calorimeter
王霁.
硝酸铵长期存放后热稳定性研究.
科技导报,
2012
, 30
(1)
: 60
-64
.
DOI: 10.3981/j.issn.1000-7857.2012.01.011
WANG Ji.
Study on Thermal Characteristics of Ammonium Nitrate After Long-term Storage[J].
Science & Technology Review ,
2012
, 30
(1)
: 60
-64
.
DOI: 10.3981/j.issn.1000-7857.2012.01.011
2012年第30卷第1期
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文章信息
doi: 10.3981/j.issn.1000-7857.2012.01.011
接收时间：2011-04-27
首发时间：2012-01-08
出版时间：2012-01-08
收稿日期：2011-04-27
修回日期：2011-11-02
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2012.01.011
引用本文
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2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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