[1]邵桢,吴丰成,刘大斌,等.内部孔隙率对硝化棉基烟花药燃烧性能的影响[J].爆破器材,2022,51(03):9-13，20.[doi:10.3969/j.issn.1001-8352.2022.03.002]
　SHAO Zhen,WU Fengcheng,LIU Dabin,et al.Effect of Internal Porosity on the Combustion Performance of Nitrocellulose-Based Fireworks[J].EXPLOSIVE MATERIALS,2022,51(03):9-13，20.[doi:10.3969/j.issn.1001-8352.2022.03.002]
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内部孔隙率对硝化棉基烟花药燃烧性能的影响()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
51
期数:
2022年03
页码:
9-13，20
栏目:
基础理论
出版日期:
2022-06-06

文章信息/Info

Title:
Effect of Internal Porosity on the Combustion Performance of Nitrocellulose-Based Fireworks
文章编号:
5606
作者:
邵桢; 吴丰成; 刘大斌; 王彬彬
南京理工大学化学与化工学院（江苏南京，210094）
Author(s):
SHAO Zhen;  WU Fengcheng;  LIU Dabin;  WANG Binbin
School of Chemistry and Chemical Engineering,Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
关键词:
硝化棉基烟花药; 内部孔隙率; 表观密度; 堆积密度; 燃烧性能
Keywords:
nitrocellulose-based firework;  internal porosity;  apparent density;  bulk density;  combustion performance
分类号:
TQ560.7
DOI:
10.3969/j.issn.1001-8352.2022.03.002
文献标志码:
A
摘要:
为研究内部孔隙率对硝化棉基烟花药燃烧性能的影响规律，采用捏合塑化剪切造粒工艺以及添加致孔剂、高温水煮的处理方法，制备了疏松结构的硝化棉基烟花药样品，并对样品的内部孔隙率、表观密度、堆积密度、表观燃速和定容燃烧性能进行了研究。结果表明:添加致孔剂和高温水煮可以明显降低硝化棉基烟花药的表观密度和堆积密度，提高内部孔隙率，显著提高表观燃速，减少定容燃烧时间；当采用30 mL致孔剂和100 ℃水煮条件时，与原样相比，内部孔隙率与表观燃速分别提高了113.8%和354.9%。
Abstract:
In order to study the influence of internal porosity on the combustion performance of nitrocellulose-based fireworks, a kneading plasticization-shear granulation process, addition of porogen, and high-temperature water boiling treatment methods were used to prepare samples of nitrocellulose fireworks with a loose structure. Internal porosity, apparent density, bulk density, apparent burning rate and constant volume combustion performance of the samples were studied. The results show that the addition of porogen and high-temperature water boiling treatment can significantly reduce the apparent density and bulk density, increase the internal porosity, significantly increase the apparent burning rate, and reduce the constant volume burning time of nitrocellulose-based fireworks. Compared with the base sample, after the addition of 30 mL porogen and 100 ℃ water boiling, internal porosity and apparent burning rate of the nitrocellulose-based firework increases by 113.8% and 354.9% respectively.

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备注/Memo

备注/Memo:
收稿日期：2021-05-11
第一作者：邵桢（1996-），男，硕士，主要从事化学工程与技术研究。E-mail：985345583@qq.com
通信作者：王彬彬（1989- ），男，讲师，主要从事发射药配方及工艺研究。E-mail：wangbinbin331@163.com
更新日期/Last Update: 2022-06-07