大量的火灾案例表明,火灾中人员伤亡80%以上不是直接与燃烧物接触所致,而主要是由于窒息或被有毒烟雾致死,因此,烟雾可以说是火灾第一杀手。如何防烟是逃生自救的关键。研究表明,烟雾的主要成分是游离碳、干馏物粒子、高沸点物质的凝缩液滴等,火灾中的烟雾不仅妨碍了人 A large number of fire cases show that more than 80% of casualties in fires are not caused by direct contact with the burning materials, but mainly due to asphyxiation or death by toxic fumes. Therefore, smoke can be regarded as the first killer of fires. How to smoke is the key to escape self-help. Studies have shown that the main components of the smoke is free carbon, carbonized particles, condensate droplets of high boiling point substances, the smoke in the fire not only hinder the people