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Their thermal stability characteristics, such as the onset exothermic temperature, the maximum temperature rise rate and the time-to-maximum rate, and the exothermal curves, were obtained. The test data were corrected by thermal inertia factors. The compatibility of DCP/20% sodium carbonate and DCP/20% phenol was calculated by using the theoretical model, consisting of two criteria: the initial exothermic temperature and the average acceleration. It can be seen from the results that the initial exothermic temperature of DCP, DCP/20% sodium carbonate and DCP/20% phenol are 97.47, 106.40 and 115.59℃, respectively. And the maximum temperature rise rates are 65.15, 2.15 and 3.44℃·min-1 , respectively, and the average accelerations are 0.2977, 0.0077 and 0.0127. 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科技导报
|研究论文
2010
, 28
(03) :
37
-40
过氧化二异丙苯热爆炸危险性研究
全屏
臧娜
作者信息
中国人民武装警察部队学院消防工程系,河北廊坊 065000
通讯作者:
臧娜
Hazard of Thermal Explosive of Dicumyl Peroxide
Affiliations
出版时间: 2010-02-13
文章导航
为了预防和减少过氧化二异丙苯(DCP)生产过程发生火灾爆炸事故,利用绝热加速量热仪,对DCP、DCP/20%碳酸钠和DCP/20%苯酚的热危险性进行了实验研究,得到其初始放热温度、最大温升速率、最大温升速率时间等热危险性参数和绝热放热曲线;对3种物质的测试结果进行了绝热校正。利用绝热相容性评价的判据初始放热温度和平均加速度的理论模型,计算DCP/20%碳酸钠和DCP/20%苯酚的相容性。结果表明,DCP、DCP/20%碳酸钠和DCP/20%苯酚的初始放热温度分别为97.47、106.40和115.59℃,最大温升速率分别为65.15、2.15和3.44℃·min-1 ,平均加速度分别为0.2977、0.0077和0.0127。在实际的工业生产中,所选取的碳酸钠和苯酚催化剂与DCP的相容性都较好,但比较二者发现,选用碳酸钠作为催化剂更为安全。
过氧化二异丙苯
/
绝热分解
/
绝热加速量热仪
/
相容性
In order to prevent and reduce the fire explosion accidents in the process of manufacturing Dicumyl Peroxide (DCP), the thermal hazard of DCP, DCP/20% sodium carbonate and DCP/20% phenol are studied by the Accelerating Rate Calorimeter(ARC) under adiabatic environment. Their thermal stability characteristics, such as the onset exothermic temperature, the maximum temperature rise rate and the time-to-maximum rate, and the exothermal curves, were obtained. The test data were corrected by thermal inertia factors. The compatibility of DCP/20% sodium carbonate and DCP/20% phenol was calculated by using the theoretical model, consisting of two criteria: the initial exothermic temperature and the average acceleration. It can be seen from the results that the initial exothermic temperature of DCP, DCP/20% sodium carbonate and DCP/20% phenol are 97.47, 106.40 and 115.59℃, respectively. And the maximum temperature rise rates are 65.15, 2.15 and 3.44℃·min-1 , respectively, and the average accelerations are 0.2977, 0.0077 and 0.0127. Sodium carbonate and phenol have a good compatibility with DCP as catalysts in industrial yields; however, compared with phenol, sodium carbonate performs much better in manufacturing DCP.
dicumyl peroxide
/
adiabatic stability
/
accelerating ratecalorimeter
/
compatibility
臧娜.
过氧化二异丙苯热爆炸危险性研究.
科技导报,
2010
, 28
(03)
: 37
-40
.
.
Hazard of Thermal Explosive of Dicumyl Peroxide[J].
Science & Technology Review ,
2010
, 28
(03)
: 37
-40
.
2010年第28卷第03期
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接收时间:2009-09-21
首发时间:2010-02-13
出版时间:2010-02-13
收稿日期:2009-09-21
修回日期:2009-11-17
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 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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