【摘要】 为有效降低热气溶胶灭火剂温度并尽可能优化气溶胶灭火剂的性能,研究9种化学散热降温剂在质量比为3%、5%、7%、9%的情况下对气溶胶灭火剂温度的影响,同时考虑残渣率、质量燃速、灭火时间的变化,综合分析化学散热降温剂改性气溶胶灭火剂释放性能。结果表明:化学散热降温剂的添加有明显的降温作用且能有效缩短灭火时间,草酸铵对降温效果最好。残渣率随着散热降温剂的含量增加会增大。碱式碳酸镁、硼酸对灭火剂的质量燃速有明显的降低作用;碳酸钾、碳酸氢钾会增大灭火剂的质量燃速。更多还原

【Abstract】 In order to effectively reduce the temperature of hot aerosol fire extinguishing agent and optimize the performance of aerosol fire extinguishing agent as much as possible, the influence of 9 kinds of chemical cooling agents on the temperature of aerosol fire extinguishing agent with the content of 3%,5%, 7% and 9% is focused, and the changes of residue rate,mass burning rate and fire extinguishing time are considered.The release performance of chemical cooling agent modified aerosol fire extinguishing agent was comprehensively studied.The results show that the addition of chemical cooling agent has obvious cooling effect and can effectively shorten the fire extinguishing time, and ammonium oxalate has the best cooling effect. The residue rate will increase with the increase of the content of cooling agent. Basic magnesium carbonate and boric acid can obviously reduce the mass burning rate of fire extinguishing agent, while potassium carbonate and potassium bicarbonate can increase the mass burning rate of fire extinguishing agent.更多还原