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火头是山火最凶猛的部分,特大山火在风的作用下可形成十几米高的火柱,跳跃式立体推进。用隔离带阻挡及以火攻火等方法,并不能在所有火场适用,特殊情况下如威胁极要害部位和居民区时必须扑打火头。许多具体火势和自然条件往往限制这些方法的使用或效力的发挥,在目前起码几年内还离不开人力扑火。概括以往扑打火头的经验,主要是: 一、抓准时机。常见的火头不过是在风的作用下形成的一团几米乃至十几米范围的火柱,它在山林里不停地运动,分离,消亡,产生,它紧紧同森林状况,风向,风力相联系。并随着自
Fire head is the most ferocious part of the mountain fire, large mountain fire in the wind can form a dozen meters high pillar of fire, three-dimensional leap forward. The use of barriers to block fire and fire and other methods, and fire can not be applied in all fields, under special circumstances, such as the threat of vital areas and residential areas must be flutter fire head. Many specific fire conditions and natural conditions often limit the use or effectiveness of these methods and can not be separated from manpower for at least a few years now. Summarized the past experience of flaunting the fire, mainly: First, grasping the timing. Common fire head is just a group of meters or even 10 meters of fire column formed under the action of the wind. It keeps moving, separating and disappearing in the mountains and forests. It is closely linked with the state of the forest, the wind direction and the wind force. And with since