[1]张巍青①,徐二永①,李翠清①,等.AKTS模拟分析硝酸铵的热稳定性[J].爆破器材,2017,46(04):7-12.[doi:10.3969/j.issn.1001-8352.2017.04.002]
　ZHANG Weiqing,XU Eryong,LI Cuiqing,et al.Simulation Analysis of Thermal Stability of Ammonium Nitrate Based on AKTS[J].EXPLOSIVE MATERIALS,2017,46(04):7-12.[doi:10.3969/j.issn.1001-8352.2017.04.002]
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AKTS模拟分析硝酸铵的热稳定性()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
46
期数:
2017年04
页码:
7-12
栏目:
基础理论
出版日期:
2017-06-14

文章信息/Info

Title:
Simulation Analysis of Thermal Stability of Ammonium Nitrate Based on AKTS
文章编号:
5158
作者:
张巍青①; 徐二永①; 李翠清①; 李建刚①; 陈思凝②; 王如君②
①北京石油化工学院化学工程学院（北京，102617）
②中国安全生产科学研究院（北京，100012）
Author(s):
ZHANG Weiqing①;  XU Eryong①;  LI Cuiqing①;  LI Jiangang①; CHEN Sining②; WANG Rujun②
①School of Chemical Engineering, Beijing Institute of Petrochemical Technology (Beijing, 102617)
②China Academy of Safety Science and Technology (Beijing, 100012)
关键词:
硝酸铵（AN）; 热分解; 活化能; 危险性评估
Keywords:
ammonium nitrate (AN);  thermal decomposition;  activation energy;  risk assessment
分类号:
TQ560.72
DOI:
10.3969/j.issn.1001-8352.2017.04.002
文献标志码:
A
摘要:
为了研究了硝酸铵（AN）的热危险性，采用差示扫描量热仪（DSC）对AN进行扫描测试，获得了AN在不同升温速率下的热分解规律。运用热动力学分析软件AKTS计算得到AN的热力学和动力学参数，采用风险矩阵法评估了AN热分解的危险性。结果表明：AN起始分解温度为228~250 ℃，放热量为2 340~2 650 J/g，分解反应活化能为100~175 kJ/mol，模拟并计算了AN在绝热条件下反应体系达到最大反应速率所需要的时间为24 h的温度TD24=137.2 ℃。利用风险矩阵法评估了AN的危险等级为Ⅱ级。针对此危险等级，提出了降低AN储存风险的措施。
Abstract:
In order to study the thermal stability of Ammonium Nitrate (AN), thermal decomposition characteristics of AN at different heating rates were studied by differential scanning calorimetry (DSC). Thermodynamic and kinetic parameters were calculated using thermal analysis software AKTS. Risk of thermal decomposition of AN was also evaluated by risk matrix method. Results show that the initial exothermic temperature of AN increases from 228 ℃ to 250 ℃ with the increase of heating rate, and the heat release is reduced from 2 340 J/g to 2 650 J/g. Activation energy of AN is calculated to be 100~175 kJ/mol. TD24, temperature with the time of 24 h to reach maximum action rate of AN under adiabatic conditions, is 137.2 ℃. Risk matrix method was used to evaluate the classification risk of AN, and the results show that the risk is Grade Two. For this risk level, measures were put forward to reduce the risk.

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备注/Memo

备注/Memo:
收稿日期：2017-03-15
基金项目：国家重点研发计划课题（多灾种耦合下化工园区危险化学品仓储及运输网络安全保障技术研究2016YFC0801502）
作者简介：张巍青(1991－)，男，硕士研究生，主要研究方向为化工安全。E-mail:zhangweiqinghngy@126.com
通信作者：李翠清（1964－），女，博士，教授，主要研究方向为油品清洁利用与工业尾气减排。E-mail:licuiqing@bipt.edu.cn
更新日期/Last Update: 2017-06-13