【摘要】 粉尘爆炸事故统计表明,部分爆炸事故的发生是由于生产设备最高容许温度超过或达到了粉尘云的最低着火温度。通过大量文献调研,对近40年粉尘云的最低着火温度的实验与理论研究进行了分析,并根据目前工业生产实际存在的问题提出了新时期研究复杂条件下着火温度的必要性。同时,应在此基础上建立数学模型并利用数值分析验证实验结果,以便工业应用。更多还原

【Abstract】 Accident statistics of dust explosions show that parts of explosion accidents is because that the maximum allowable temperature of equipments is equal to or higher than the minimum ignition temperature of handling powders.On the basis of extensive literature research,the experimental and theoretical studies on the minimum ignition temperature of dust clouds in recent 40 years are analyzed and based on problems existed in industrial production,it is pointed out the necessity of studying ignition temperature under new complicated situation.Meanwhile the numnerical simulation models for solving these problems should be set up and applied.更多还原