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钢结构厂房的火灾扑救措施之确立“冷却先于灭火”的主导地位

发布时间:2015-11-11 10:04:12 浏览次数:578

钢框架结构厂房钢柱火灾时,首先会在短时间内失去的能力,产生的扭曲现象,你可能不是重大的人员伤亡,而且毛料衣服房屋内的财物,因为무너碎;同时倒塌后香泰好东西,通风好,越加速火灾蔓延,在较短的时间内形成大面积的火灾;还有大量的钢琴构种堆压在연소물也地扑救比较困难。


因此,灭火作战中只着眼于保证建筑物的整体结构的安全才被扑救火灾的积极意义和作用。要做到这一构尽快冷却效果적인钢琴拥有唯一的办法。这样可以火灾环境温度或环境温度变化的情况下,增强构钢琴。自己的湿度下降,从而有效地保证钢琴构建议强度不遭破坏。同时冷却钢结构彩散发出来的水蒸气可以引出湿度提高,火灾环境降温。如果这100℃的条件下,一公斤的水变成蒸汽。但是吸收253千卡热量。同时,那么他水蒸汽体积增加的1725坐船蒸汽占领区的空间,不仅增大了环境温度和正化气体隔绝空气呼吸一样的灭火器或阻碍火灾蔓延。


另外,冷却反射泼出去的水有直接灭火。所以用足够的水冷却钢琴构大优越性,必须冷却之前,灭火器,扑救钢结构火灾最重要的原则可以있지만实施两个冷却及消化不了。火灾中的情况。客观地要求指挥官火、灭火力量的对比跟那两个人很好结合,根据不同的情况处理冷却和火之间。就是在制钢结构变形,防止建筑物倒塌的前提下进行火力量充足开始时同时进行冷却和灭火等可燃建筑构件及内部物资,设备,同时手同步部署力量为了冷却及进化力量不足时,必须控制威胁构件有先进行。



Steel structure factory steel column in fire, the first in a short period of time lost, the distortions that arise, you may not be significant casualties, and woollen clothes inside the house property, because broken; also after the fall of the Shannon Thai good things, good ventilation, more accelerated fire spread, in a relatively short period of time formed large area fire; there are a lot of piano structure of reactor pressure in also saves more difficult.
Therefore, in order to ensure the safety of the whole structure of the building, the fire fighting is a positive and significant effect. To do this as soon as possible. The cooling effect of piano has the only way. This can be the case of fire environment temperature or ambient temperature changes, enhance the construction of the piano. Their humidity drops, which effectively ensures that the construction of the piano is not damaged. At the same time, the water vapor emitted from the cooling steel structure can lead to the increase of humidity and temperature of fire environment. If the condition of the 100, one kilogram of water into steam. But absorb 253000 calories. At the same time, the 1725 of the volume of water vapor increases the space of the occupied area, not only increases the ambient temperature and air breathing as the same as the air breathing fire extinguisher or hinder the fire spread.
In addition, the cooling water reflects the water has a direct fire. So enough water cooling piano structure big superiority must be cooled before, fire extinguisher, the most important principle of steel structure fire fighting can be two cooling and can not digest the implementation of the hi. Situation in fire. Objective to ask the commander of fire, fire fighting forces with the contrast between the two people is very good combination, according to the different conditions of treatment between cooling and fire. Is in the steel structure deformation, to prevent the collapse of the building under the premise of adequate fire to start with the same time as the cooling and fire and other combustible building components and internal materials, equipment, and the simultaneous deployment of forces in order to cool down and evolutionary forces, must control the threat.


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