熔铸炸药热爆炸临界工艺温度的计算方法

为评估熔铸炸药装药工艺的热安全性，提出一种热爆炸临界工艺温度的计算方法。以纯DNTF炸药的性能数据，计算不同工艺温度下的热爆炸延滞期，并将其与实际工艺处理时间进行比较，从而确定其热安全水平以及发生热爆炸的临界工艺温度值。计算结果表明：在常规工艺条件下，处理DNTF炸药不会发生热爆炸反应；但随着工艺处理量的增加，发生热爆炸的危险性也会不断增加。该计算方法对于熔铸工艺参数的制定具有重要意义。

Calculation Method of Thermal Explosion Critical Process Temperature ofMelt-Cast Explosive

In order to evaluate the thermal safety of melt-cast explosive process,a calculation method of thermal explosion critical process temperature is described.The time to ignition for various process temperatures are calculated by using the performance data of DNTF.Through comparing the calculated value and practical process time,the level of process thermal safety can be classified and critical process temperature can be obtained.The results show that the process of DNTF is safe under normal condition.However,the risk level of thermal explosion will increase as the explosion throughput rises.The calculation method has important significance for the preparation of the melt-cast explosion process parameters.