正壓送風機是指向(xiang)逃生(sheng)(sheng)樓(lou)(lou)道里(li)送(song)風(feng)的(de)(de)風(feng)機。它將室(shi)外風(feng)壓(ya)送(song)入(ru)室(shi)內。當建(jian)筑(zhu)物(wu)發(fa)生(sheng)(sheng)火災時，會產生(sheng)(sheng)大量煙霧(wu)、一氧化碳等有毒氣(qi)體并遮擋視線，通過正(zheng)壓(ya)送(song)風(feng)機給逃生(sheng)(sheng)的(de)(de)消防樓(lou)(lou)梯送(song)風(feng)，使(shi)室(shi)內的(de)(de)煙霧(wu)不能(neng)抵(di)達樓(lou)(lou)梯，給人們逃生(sheng)(sheng)的(de)(de)條件。

基本信息

正壓送風機是(shi)指向逃(tao)生(sheng)(sheng)(sheng)樓道里送(song)風(feng)(feng)(feng)(feng)(feng)的(de)風(feng)(feng)(feng)(feng)(feng)機。它(ta)將室外風(feng)(feng)(feng)(feng)(feng)壓(ya)送(song)入室內。當(dang)建筑物發(fa)生(sheng)(sheng)(sheng)火災(zai)時(shi)，會產生(sheng)(sheng)(sheng)大量(liang)煙(yan)霧、一氧化碳等有(you)毒氣體并遮(zhe)擋視(shi)線，通過正壓(ya)送(song)風(feng)(feng)(feng)(feng)(feng)機給逃(tao)生(sheng)(sheng)(sheng)的(de)消防樓梯(ti)(ti)送(song)風(feng)(feng)(feng)(feng)(feng)，使室內的(de)煙(yan)霧不能抵達樓梯(ti)(ti)，給人們(men)逃(tao)生(sheng)(sheng)(sheng)的(de)條(tiao)件。正壓(ya)送(song)風(feng)(feng)(feng)(feng)(feng)機一般裝(zhuang)于建筑物頂，與各層的(de)正壓(ya)風(feng)(feng)(feng)(feng)(feng)閥聯動(dong)。火災(zai)初期(qi)時(shi)打開風(feng)(feng)(feng)(feng)(feng)閥，啟動(dong)正壓(ya)送(song)風(feng)(feng)(feng)(feng)(feng)機，使樓梯(ti)(ti)間、電梯(ti)(ti)廳處于正壓(ya)狀(zhuang)態(tai)(tai)(送(song)風(feng)(feng)(feng)(feng)(feng)狀(zhuang)態(tai)(tai))。

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 　凱(kai)億網(wang)宣辦(ban)：徐  20201104

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