防火閥是安裝在(zai)通(tong)風空調(diao)系統送回風管道上,平時(shi)呈開啟狀態,火災時(shi)當管道內的(de)煙氣(qi)溫度(du)達到一定溫度(du)時(shi)自動(dong)關閉(bi),也可(ke)以(yi)手動(dong)或電動(dong)關閉(bi),起(qi)隔煙阻火作用的(de)閥門。
防火閥的工作方式:
防火閥是(shi)安(an)裝在(zai)中央空調送(song)、排(pai)(pai)(pai)風(feng)(feng)或(huo)單純的(de)室內送(song)、排(pai)(pai)(pai)風(feng)(feng)管道上的(de),室內起火(huo)(huo)后(hou)防(fang)(fang)火(huo)(huo)閥(fa)的(de)易熔(rong)桿在(zai)達(da)到70時(shi)(shi)熔(rong)斷,防(fang)(fang)火(huo)(huo)閥(fa)關(guan)閉,主(zhu)要作用是(shi)為(wei)了(le)一間(jian)房(fang)間(jian)起火(huo)(huo)后(hou)不讓火(huo)(huo)源和煙(yan)(yan)(yan)(yan)通(tong)過(guo)管道串通(tong)到別的(de)房(fang)間(jian)去(qu)。排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)防(fang)(fang)火(huo)(huo)閥(fa)的(de)安(an)裝在(zai)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)管道上的(de),排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)防(fang)(fang)火(huo)(huo)閥(fa)平(ping)時(shi)(shi)關(guan)閉,房(fang)間(jian)起火(huo)(huo)后(hou)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)機啟(qi)動(dong),同(tong)(tong)時(shi)(shi)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)防(fang)(fang)火(huo)(huo)閥(fa)打開,對起火(huo)(huo)房(fang)間(jian)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan),以(yi)達(da)到人員(yuan)能夠及時(shi)(shi)逃脫時(shi)(shi)不受煙(yan)(yan)(yan)(yan)的(de)傷害,火(huo)(huo)勢過(guo)大時(shi)(shi),火(huo)(huo)苗會通(tong)過(guo)排(pai)(pai)(pai)風(feng)(feng)口(kou)進(jin)入排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)管道,此時(shi)(shi)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)防(fang)(fang)火(huo)(huo)閥(fa)上的(de)280易熔(rong)桿熔(rong)斷,排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)防(fang)(fang)火(huo)(huo)閥(fa)關(guan)閉,同(tong)(tong)時(shi)(shi)給出信號排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)機關(guan)閉。
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山東凱億(yi)空調設備(bei)有限公司運營部(bu):楊(yang) 2021.6.8
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