一种敞开式长秒延期结构  

Long-second Delay Structure in Open Combustion Environment

作　　者：孙晓霞 李彤 付艳柳 刘君阁 SUN Xiao-xia;LI Tong;FU Yan-liu;LIU Jun-ge(Liaoning North Huafeng Special Chemical Limited Company,Fushun,113003)

机构地区：[1]辽宁北方华丰特种化工有限公司,辽宁抚顺113003

出　　处：《火工品》2022年第5期9-12,共4页Initiators & Pyrotechnics

摘　　要：为实现某弹丸用非电点火管在长度尺寸受限下的长秒延期功能,以及敞开式燃烧环境下的可靠点传火和延期输出,开展了延期体、点传火序列设计,并进行发火及延期时间测试。结果表明:设计的延期体可以实现切长27~30mm、17~28s的长秒延期;研制的高能密封点火药适用于敞开式点火和延期类火工品;高能密封点火药-中速延期药-慢速延期药(体)的点传火序列有助于敞开式燃烧环境下单芯延期体中钨系高段延期药的可靠点火与稳定燃烧。To realize long-second delay function of a projectile igniter tube with limited length,as well as the reliable ignition and delay output in open combustion environment,the designs of delay parts and ignition sequence were carried out,and tests of ignition and delay time were completed.The results show that the long delay time of 17~28s is realized while the cutting length of delay parts is 27~30mm,the designed high-energy sealed ignition powder is suitable for open ignition and delay initiating devices.The ignition sequence of high-energy sealed ignition powder-medium speed delay composition-slow speed delay composition(parts)is helpful to the reliable ignition and stable combustion of tungsten high-stage delay composition,which is charged in single core delay parts under open combustion environment.

关 键 词：点火管 长秒延期 敞开式燃烧 铅延期体 点传火序列 

分 类 号：TJ455[兵器科学与技术—火炮、自动武器与弹药工程]