【摘要】 用差示扫描量热仪(DSC)测试了不同升温速率下二级和三级煤矿许用乳化炸药放热分解反应的起始温度和峰顶温度。用Kissinger法计算了该反应的动力学参数,得到了120℃、150℃和250℃时的反应速率常数。结果表明,随着配方中KCl和NaCl含量的增加,乳化炸药的安定性增加。提出了乳化炸药在生产过程中应注意的一些问题。更多还原

【Abstract】 The initial temperature and the maximum peak temperature of the exothermic decomposition reaction of grade two and three coal mine permissible emulsion explosives at different heating rates are tested by differential scanning calorimetry (DSC) . The kinetics parameters of the reaction for emulsion explosives are calculated by Kissinger′s method. With the help of these parameters,the rate constants of the reaction at 120 ℃,150 ℃,250 ℃ are obtained,indicating that with increasing the amount of KCl and NaCl in emulsion explosives,the thermal stability of emulsion explosives increases. Some potential danger in the process are analyzed and some problems on safety in the process of emulsion explosives are presented.更多还原