[1]柯浩民①,银颖②,吴文倩①,等.密闭体系下TATB的热分解动力学与热危害预测[J].爆破器材,2020,49(03):26-32.[doi:10.3969/j.issn.1001-8352.2020.03.005]
 KE Haomin,YIN Ying,WU Wenqian,et al.Thermal Decomposition Kinetics and Thermal Hazard Prediction of Triaminotrinitrobenzene in Confined System[J].EXPLOSIVE MATERIALS,2020,49(03):26-32.[doi:10.3969/j.issn.1001-8352.2020.03.005]
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密闭体系下TATB的热分解动力学与热危害预测()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
49
期数:
2020年03
页码:
26-32
栏目:
基础理论
出版日期:
2020-05-22

文章信息/Info

Title:
Thermal Decomposition Kinetics and Thermal Hazard Prediction of Triaminotrinitrobenzene in Confined System
文章编号:
5426
作者:
柯浩民银颖吴文倩王顺尧陈利平
①南京理工大学化工学院(江苏南京,210094)
②中国工程物理研究院化工材料研究所(四川绵阳,621010)
Author(s):
KE HaominYIN Ying WU Wenqian WANG Shunyao CHEN Liping
①School of Chemical Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
②Institute of Chemical Materials, China Academy of Engineering Physics (Sichuan Mianyang, 621010)
关键词:
三氨基三硝基苯(TATB)差示扫描量热法模型拟合方法热危害参数
Keywords:
triaminotrinitrobenzene (TATB) differential scanning calorimetry model fitting method thermal hazard parameters
分类号:
TQ560.7;X932
DOI:
10.3969/j.issn.1001-8352.2020.03.005
文献标志码:
A
摘要:
为了解三氨基三硝基苯(TATB)在实际储存、运输过程中的热危险性,利用差示扫描量热仪(DSC)研究TATB在密闭体系下的热行为,并采用模型拟合方法建立TATB的热分解动力学模型。测试结果表明,其分解过程可以用两步平行反应进行描述,动力学模型表示为:第一步F→P1N级反应,第二步F→P2为自催化反应。基于该模型对自加速分解温度(SADT)进行预测,结果表明,与包装材料相比,装载量对SADT的影响较大;对理想绝热条件下(即Φ=1)的分解过程进行预测,结果表明,起始温度为200 ℃的绝热诱导期接近450 h,且受热履历影响;对到达指定转化率所需时间(TCL)的预测表明,在100 ℃的等温环境下,TATB的分解转化率达到0.5%需要4 900 a左右。
Abstract:
In order to understand the thermal hazards of triaminotrinitrobenzene (TATB) during actual storage and transportation, differential scanning calorimetry (DSC) was used to study thermal behaviors of TATB in confined system and the thermal decomposition kinetics of TATB was solved by model fitting method. The results show that the thermal decomposition can be described by two-step parallel reactions, an N-order reaction for the first stage F→P1, and an autocatalytic reaction for the second stage F→P2. Based on this model, the self-accelerating decomposition temperature (SADT) was predicted. Results show that, compared with packaging materials, the loading amount had a greater impact on SADT. The prediction results of adiabatic curve under the ideal condition of Φ= 1 show that adiabatic induction period at initial temperature of 200 ℃ is close to 450 h. Besides, it takes about 4 900 years for TCL to reach the conversion rate of 0.5% under isothermal temperature of 100 ℃.

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备注/Memo

备注/Memo:
收稿日期:2019-11-12
第一作者:柯浩民(1996-),男,硕士研究生,主要从事物质的热稳定性研究。E-mail:khm_0218@163.com
通信作者:陈利平(1981-),女,硕导,副教授,主要从事化学反应热失控危险性的研究。E-mail:clp319@mail.njust.edu.cn
更新日期/Last Update: 2020-05-21