Aiming at the main problem of safety manufacturing of automatic wrapping machine with heating resource, analyze safety of detonator heat-wrapping. Introduce main technological process of detonator heat-wrapping. Based on realize automatic sealing package, compare transparent film fold wrapping machine and heat shrink packaging machine. The comparison shows that use transparent film fold wrapping machine to carry out heat-wrapping is more safety in industrial detonator automatic packaging. Establish heat-wrapping heat transfer mathematical model, derivate the highest temperature in package box, and carry out temperature durability analysis. The analysis results show that the detonator heat-wrapping can meet the industrial detonator temperature durability requirements safely and feasible.%针对影响有加热热源的自动化包装设备生产安全的主要问题,对电雷管热封覆膜包装的安全性进行分析.介绍电雷管包装主要工艺流程,对实现包装盒密封自动化的3维包装机和热收缩包装机2种设备进行对比,得出在工业电雷管的自动包装过程中,采用3维包装机实现热封覆膜相对安全;建立热封覆膜的热传导数学模型,推导出其包装盒内最高温度点温度,并进行耐温性安全分析.分析结果表明:使用热封的方式实现电雷管盒的表面覆膜满足工业雷管耐温性能要求,具有安全性和可行性.
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