Cassification
消防排煙風(feng)機和正壓送風(feng)機在安(an)裝位置及作用上的(de)區別(bie):
正(zheng)壓送風機與消防排煙風機都是(shi)被應用到(dao)樓道內的(de)防火(huo)救生設備(bei),二(er)者(zhe)在安裝位置和作(zuo)用各有不同,區別如下:
正壓送(song)(song)風機是(shi)指(zhi)向逃(tao)(tao)生(sheng)樓道里送(song)(song)風的(de)風機。它將(jiang)室外風壓送(song)(song)入室內(nei)。當(dang)建筑(zhu)物發生(sheng)火災時,會產生(sheng)大量煙(yan)(yan)霧、一氧化碳等有(you)毒體并遮擋視(shi)線,通過正壓送(song)(song)風機給(gei)逃(tao)(tao)生(sheng)的(de)消防樓梯送(song)(song)風,使室內(nei)的(de)煙(yan)(yan)霧不能抵達樓梯,給(gei)人們逃(tao)(tao)生(sheng)創(chuang)造條(tiao)件(jian)。
正壓(ya)送(song)風(feng)機(ji)一(yi)般裝于(yu)建筑(zhu)物頂(ding),與(yu)各(ge)層的正壓(ya)風(feng)閥聯動。火災初期時(shi)打(da)開風(feng)閥,啟動正壓(ya)送(song)風(feng)機(ji),使樓梯(ti)間(jian)、電梯(ti)廳處于(yu)正壓(ya)狀(zhuang)態(送(song)風(feng)狀(zhuang)態)。
送風機=正壓風機=補風機,叫法不同而(er)以,多種用途,輸送氣體溫(wen)度(du)80℃以下
消(xiao)防(fang)排(pai)(pai)煙(yan)(yan)(yan)(yan)風機,用(yong)于消(xiao)防(fang)排(pai)(pai)煙(yan)(yan)(yan)(yan),要求280℃下運行30min,也可(ke)用(yong)于廚房排(pai)(pai)油煙(yan)(yan)(yan)(yan) 排(pai)(pai)風機,多種用(yong)途,輸送氣(qi)體溫度80℃以(yi)下。當(dang)地(di)下室發生(sheng)火災(zai)時,有大量的煙(yan)(yan)(yan)(yan)霧(wu)(wu)產生(sheng),這(zhe)時,消(xiao)防(fang)用(yong)排(pai)(pai)煙(yan)(yan)(yan)(yan)風機啟動,把發生(sheng)火災(zai)的區域(yu)的煙(yan)(yan)(yan)(yan)霧(wu)(wu)排(pai)(pai)除(chu)。另外(wai),排(pai)(pai)煙(yan)(yan)(yan)(yan)風機在平時也可(ke)以(yi)作為地(di)下室的還空氣(qi)用(yong)。