正壓送風機是指向逃(tao)生(sheng)樓(lou)(lou)道里送(song)風的風機。它(ta)將(jiang)室(shi)(shi)外風壓(ya)(ya)送(song)入室(shi)(shi)內。當建(jian)筑物發生(sheng)火災時，會(hui)產生(sheng)大量煙霧(wu)、一氧化碳等有毒氣體并(bing)遮擋視(shi)線，通(tong)過(guo)正壓(ya)(ya)送(song)風機給(gei)(gei)逃(tao)生(sheng)的消防樓(lou)(lou)梯(ti)送(song)風，使室(shi)(shi)內的煙霧(wu)不能(neng)抵(di)達樓(lou)(lou)梯(ti)，給(gei)(gei)人們(men)逃(tao)生(sheng)的條(tiao)件。

基本信息

正壓送風機是指向逃(tao)(tao)生(sheng)(sheng)樓道里送(song)風(feng)的風(feng)機。它(ta)將室外風(feng)壓(ya)送(song)入(ru)室內(nei)。當建筑物(wu)(wu)發(fa)生(sheng)(sheng)火災時，會產生(sheng)(sheng)大量煙霧、一氧化碳等有(you)毒氣體(ti)并遮擋視線，通過正壓(ya)送(song)風(feng)機給逃(tao)(tao)生(sheng)(sheng)的消防(fang)樓梯送(song)風(feng)，使(shi)室內(nei)的煙霧不能抵(di)達樓梯，給人們逃(tao)(tao)生(sheng)(sheng)的條(tiao)件。正壓(ya)送(song)風(feng)機一般(ban)裝于建筑物(wu)(wu)頂，與各層的正壓(ya)風(feng)閥聯(lian)動(dong)。火災初期時打開風(feng)閥，啟動(dong)正壓(ya)送(song)風(feng)機，使(shi)樓梯間、電梯廳處于正壓(ya)狀態(送(song)風(feng)狀態)。

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 　凱億網宣辦：徐(xu)  20201104

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