我國高層住宅中設(shè)置自動(dòng)噴水滅火系統(tǒng)的可行性研究
本文關(guān)鍵詞: 高層住宅火災(zāi) 自動(dòng)噴水滅火系統(tǒng) 經(jīng)濟(jì)可行性 FDS 滅火可靠性 出處:《西華大學(xué)》2015年碩士論文 論文類型:學(xué)位論文
【摘要】:2004年到2013年的火災(zāi)數(shù)據(jù)顯示,消火栓給水系統(tǒng)作為高層住宅的最主要的滅火方式,未能很好的控制我國住宅火災(zāi)發(fā)生起數(shù)和火災(zāi)死亡人數(shù)?梢妼で笠环N新的滅火方式已經(jīng)迫在眉睫。相關(guān)數(shù)據(jù)顯示在美國居住建筑和公寓中安裝了自動(dòng)噴水滅火系統(tǒng)滅火可靠性高達(dá)98%。本論文利用消防經(jīng)濟(jì)學(xué)的知識(shí)和火災(zāi)數(shù)值模擬軟件對我國高層住宅中設(shè)置自動(dòng)噴水滅火系統(tǒng)的可行性進(jìn)行研究,以期對自動(dòng)噴水滅火系統(tǒng)在我國高層住宅內(nèi)的應(yīng)用與發(fā)展有所裨益。本文首先介紹了高層住宅火災(zāi)的發(fā)生原因、發(fā)展過程、火災(zāi)特點(diǎn)以及常用的滅火減災(zāi)的方式,指出控制火災(zāi)的最佳時(shí)機(jī)。然后結(jié)合工程實(shí)例對高層住宅中設(shè)置不同滅火方式的成本進(jìn)行分析,說明了在高層住宅中增加自動(dòng)噴水滅火系統(tǒng)所增加的成本所占的比例小。而后結(jié)合消防經(jīng)濟(jì)學(xué)的知識(shí),利用數(shù)據(jù)和論述說明在高層住宅中設(shè)置自動(dòng)噴水系統(tǒng)在經(jīng)濟(jì)上是可行的。最后用火災(zāi)數(shù)值模擬軟件(FDS)模擬了在高層住宅客廳中發(fā)生火災(zāi)時(shí)的三種不同工況,對比三種不同情況下,火勢發(fā)展、噴頭啟動(dòng)、滅火時(shí)間、火場溫度、火場能見度以及火場中有毒有害氣體的含量等參數(shù)。并通過圖片和文字說明自動(dòng)噴水系統(tǒng)在高層住宅發(fā)生火災(zāi)時(shí)能及時(shí)的發(fā)現(xiàn)并撲滅火災(zāi),控制火場中溫度、有毒有害氣體的含量,很好的保護(hù)人們的生命、財(cái)產(chǎn)安全,驗(yàn)證了高層住宅中安裝自動(dòng)噴水系統(tǒng)在滅火可靠性上是可行的。
[Abstract]:Fire data from 2004 to 2013 show that the hydrant water supply system is the most important fire extinguishing method for high-rise residential buildings. Failed to control the number of house fires and the number of people killed. It is urgent to find a new way to extinguish the fire. Data show that automatic sprinkler is installed in residential buildings and apartments in the United states. The fire extinguishing reliability of the system is as high as 98. The feasibility of automatic sprinkler fire extinguishing system in high-rise residential buildings in China is studied by using the knowledge of fire economics and numerical simulation software. The purpose of this paper is to benefit the application and development of automatic sprinkler fire extinguishing system in high-rise residential buildings in China. Firstly, this paper introduces the causes, development process, fire characteristics and common fire extinguishing and mitigation methods of high-rise residential buildings. The best time to control the fire is pointed out. Then the cost of setting different fire extinguishing modes in high-rise residential buildings is analyzed with engineering examples. It is shown that the increase in the cost of automatic sprinkler system in high-rise residential buildings is small, and then combined with the knowledge of fire economics, It is proved that it is economically feasible to set up automatic sprinkler system in high-rise residential building by using data and discussion. Finally, three different working conditions of fire in the living room of high-rise residential building are simulated by using numerical fire simulation software (FDS). Compared with three different conditions, fire development, sprinkler start, fire extinguishing time, fire site temperature, The visibility of the fire site and the content of toxic and harmful gases in the fire site are all parameters. The automatic water spraying system can timely detect and extinguish the fire and control the temperature of the fire site when a fire occurs in a high-rise building through pictures and words. The content of toxic and harmful gases, which can protect people's lives and property safety, proves that the installation of automatic sprinkler system in high-rise residential buildings is feasible in fire extinguishing reliability.
【學(xué)位授予單位】:西華大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:TU976.5
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