Gunpowder applied to blasting safety valve as well as preparation method and application of gunpowder

• Main Authors: GENG JINLIANG, LI WEIRONG, ZHANG JUNHU, LIU YONGZHE, NIE PENG, WANG JIAN, ZHAO YUNPENG, NIE BOBO, SU XIAOLU, XUE XUCHAO, LI HELI, ZHANG CHUANZHUANG, LI PENGFEI, XI KE
• Format: Patent
• Language: Chinese; English
• Published: 06.06.2023
• Subjects: ACTUATING-FLOATS; BLASTING; CHEMISTRY; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; EXPLOSIVES; EXPLOSIVES OR THERMIC COMPOSITIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MANUFACTURE THEREOF; MATCHES; MECHANICAL ENGINEERING; METALLURGY; TAPS; THERMAL INSULATION IN GENERAL; USE OF SINGLE SUBSTANCES AS EXPLOSIVES; VALVES; WEAPONS

The invention provides gunpowder applied to a blasting safety valve and a preparation method and application of the gunpowder, and belongs to the technical field of gunpowder. The gunpowder is prepared from the following components in parts by weight: 83.9 to 89.9 parts of potassium nitrate and 8.1 to 18.1 parts of carbon black; the powder cake density of the gunpowder is larger than 1.72 g/cm < 3 >. The gunpowder provided by the invention can meet the requirements of irradiation dose and irradiation time of the CAP1000 explosion safety valve, and is high in safety performance in preparation, transportation and use. 本发明提出一种应用于爆破安全阀上的火药及其制备方法和应用，属于火药技术领域。所述火药包括如下重量份的组分：硝酸钾83.9～89.9份，炭黑8.1～18.1份；所述火药的药饼密度＞1.72g/cm3。本发明提供的火药能够满足CAP1000爆破安全阀辐照剂量和辐照时间的要求，且制备、运输和使用中安全性能高。