正壓送風機是指向(xiang)逃(tao)(tao)生(sheng)樓道里(li)送風(feng)的風(feng)機(ji)。它將(jiang)室外風(feng)壓送入室內。當建筑物發生(sheng)火災時(shi)，會產生(sheng)大量煙霧、一氧化碳等有毒氣(qi)體并(bing)遮擋視線，通過正(zheng)壓送風(feng)機(ji)給(gei)逃(tao)(tao)生(sheng)的消(xiao)防樓梯(ti)送風(feng)，使(shi)室內的煙霧不(bu)能抵達樓梯(ti)，給(gei)人(ren)們(men)逃(tao)(tao)生(sheng)的條件(jian)。

基本信息

正壓送風機是(shi)指向逃生(sheng)(sheng)樓道里送(song)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)的(de)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機。它將室外風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)壓(ya)(ya)送(song)入室內。當建(jian)筑物發(fa)生(sheng)(sheng)火(huo)災(zai)時(shi)，會產(chan)生(sheng)(sheng)大(da)量煙(yan)霧、一氧化碳等有毒氣體并遮擋(dang)視線，通過正(zheng)壓(ya)(ya)送(song)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機給逃生(sheng)(sheng)的(de)消防樓梯送(song)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)，使室內的(de)煙(yan)霧不能抵達樓梯，給人們逃生(sheng)(sheng)的(de)條件。正(zheng)壓(ya)(ya)送(song)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機一般(ban)裝于建(jian)筑物頂，與各層的(de)正(zheng)壓(ya)(ya)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)閥(fa)(fa)聯動。火(huo)災(zai)初期(qi)時(shi)打(da)開風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)閥(fa)(fa)，啟動正(zheng)壓(ya)(ya)送(song)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機，使樓梯間、電(dian)梯廳處(chu)于正(zheng)壓(ya)(ya)狀態(送(song)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)狀態)。

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 　凱億網宣辦：徐  20201104

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