[1]张涵,韩体飞,吴红波,等.铅丹-硼系延期药的储存稳定性研究[J].爆破器材,2017,46(01):49-54.[doi:10.3969/j.issn.1001-8352.2017.01.011]
　ZHANG Han,HAN Tifei,WU Hongbo,et al.Storage Stability of Pb3O4-B Type Delay Composition[J].EXPLOSIVE MATERIALS,2017,46(01):49-54.[doi:10.3969/j.issn.1001-8352.2017.01.011]
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铅丹-硼系延期药的储存稳定性研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
46
期数:
2017年01
页码:
49-54
栏目:
爆炸材料
出版日期:
2017-01-10

文章信息/Info

Title:
Storage Stability of Pb3O4-B Type Delay Composition
文章编号:
5118
作者:
张涵; 韩体飞; 吴红波; 朱帅; 颜事龙
安徽理工大学化学工程学院(安徽淮南,232001)
Author(s):
ZHANG Han;  HAN Tifei;  WU Hongbo;  ZHU Shuai;  YAN Shilong
School of Chemical Engineering, Anhui University of Science and Technology (Anhui Huainan, 232001)
关键词:
物理化学; 固体化学; 颗粒度; 铅丹-硼系延期药
Keywords:
physical chemistry;  solid chemistry;  particle size;  Pb3O4-B based delay composition
分类号:
TJ55;TQ560
DOI:
10.3969/j.issn.1001-8352.2017.01.011
文献标志码:
A
摘要:
基于硼和铅丹的物理化学特性，对铅丹硼系延期药在真空常温条件下储存的稳定性进行研究，给出了该体系在储存中可能发生的化学反应的方程式，并计算分析了各反应的热力学参数 ΔrHθm、ΔrSθm、ΔrGθm，探讨了各反应的自发性。同时，利用激光粒度分析仪检测了成品延期药和原材料的颗粒度，依据固体化学知识分析了颗粒度大小对药剂储存稳定性的影响。研究结果表明，铅丹-硼系延期药在储存中会自发发生化学反应，生成B2O3和Pb、PbO；在工业生产中，延期药剂颗粒度大小要适中，既要保证药剂的燃烧精度，又要确保药剂的储存稳定性。
Abstract:
The storage stability of red lead-B delay composition under vacuum and room temperature was studied based on the properties of red lead physical and chemical and B. The possible chemical reaction equations were enumerated in the course of storage of delay composition. Kinetic parameters of the reactions, such as ΔrHθm、ΔrSθm、ΔrGθm, were calculated. Spontaneity of each reaction was discussed by analyzing the thermodynamic parameters. In addition, the granularities of finished product, raw materials B and Pb3O4 were tested with BT-2003 laser particle size analyzer. Based on the know ledge of solid chemistry, influence of particles size on delay composition storage stability was also discussed. Results indicate that spontaneous chemical changes may happen in the delay composition storage and generate B2O3, Pb and PbO. The particle size of the delay composition industrial production should be well controlled to be suitable for both the combustion precision and the storage stability of the delay composition.

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备注/Memo

备注/Memo:
收稿日期：2016-09-14
基金项目：国家自然科学基金（51604009）;安徽理工大学校青年基金（QN201522）
作者简介：张涵（1989－），女，硕士研究生，研究方向为延期药储存、燃烧的反应机理。E-mail:453591253@qq.com
更新日期/Last Update: 2017-01-10