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一、防消火方法利用水防消火是我矿最广泛应用的方法之一。水不但具有使燃烧物体与空气隔离的性能,而且它能夺取燃烧物体的热量。水的隔离作用在于当时所产生的水蒸气,每1升水完全蒸发后均变成1700升的蒸气.水的比热等于1,为了使1升水从原来20℃加热到100℃需要80大卡的热量,若使这种水变成水蒸汽还需539大卡的热量,所以被充分利用防灭火的一升水就要从燃烧物体上夺取热量为80+539=619大卡的热量。显见用水来防灭火是很
First, the anti-fire fighting methods The use of fire prevention and fire fighting is one of the most widely used method of mine. Not only does water have the property of keeping the object of combustion from the air, it can also take the heat of the burning object. The role of water in the separation of steam generated at that time, every 1 liter of water are completely evaporated into 1700 liters of steam. The specific heat of water is equal to 1, in order to make a liter of water from the original 20 ℃ to 100 ℃ need 80 kcal Heat, if this water into water vapor also need 539 kcal of heat, it is fully utilized anti-fire a liter of water from the burning object to capture the calories of 80 +539 = 619 kcal. Obviously water to prevent fire is very