排(pai)煙(yan)防火閥安排(pai)煙(yan)分區(qu)怎么分類
今日介紹的這類排煙防火閥設在專用排煙道或兼用風道上(shang),按防(fang)煙分區設置。主要有以下3種:
1.排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)關于防(fang)煙(yan)(yan)(yan)(yan)(yan)分(fen)區(qu)(qu)(qu)內的(de)(de)(de)兼用(yong)支(zhi)風(feng)道(dao),排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)是常開(kai)的(de)(de)(de),并(bing)且因(yin)為著火(huo)(huo)(huo)(huo)(huo)(huo)區(qu)(qu)(qu)的(de)(de)(de)不確定(ding)性,該(gai)(gai)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)又應該(gai)(gai)是可開(kai)、可閉的(de)(de)(de),因(yin)而應選(xuan)用(yong)電動(dong)(dong)式。任一(yi)防(fang)煙(yan)(yan)(yan)(yan)(yan)分(fen)區(qu)(qu)(qu)失火(huo)(huo)(huo)(huo)(huo)(huo),均可有消防(fang)中(zhong)(zhong)心操控該(gai)(gai)區(qu)(qu)(qu)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)敞開(kai)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan),其(qi)他分(fen)區(qu)(qu)(qu)的(de)(de)(de)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)封(feng)閉。若防(fang)煙(yan)(yan)(yan)(yan)(yan)分(fen)區(qu)(qu)(qu)內支(zhi)風(feng)道(dao)不兼用(yong),即在原風(feng)道(dao)上(shang)并(bing)聯(lian)一(yi)專用(yong)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)止(zhi)管(guan)(guan),這時排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)支(zhi)管(guan)(guan)上(shang)的(de)(de)(de)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)閥(fa)(fa)(fa)是常閉的(de)(de)(de)、并(bing)與(yu)煙(yan)(yan)(yan)(yan)(yan)感器(qi)聯(lian)動(dong)(dong)的(de)(de)(de)電磁式手動(dong)(dong)復位(wei)閥(fa)(fa)(fa)門(men)。一(yi)般非兼用(yong)的(de)(de)(de)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)體(ti)系中(zhong)(zhong)的(de)(de)(de)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)閥(fa)(fa)(fa)亦是如此(ci)。 2.排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)口由排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)與(yu)百葉風(feng)口或(huo)板式風(feng)口組成,用(yong)在排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)體(ti)系火(huo)(huo)(huo)(huo)(huo)(huo)箭(jian)用(yong)體(ti)系的(de)(de)(de)專用(yong)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)支(zhi)管(guan)(guan)上(shang)。 3.排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)閥(fa)(fa)(fa)體(ti)上(shang)加裝280℃熔(rong)斷(duan)(duan)的(de)(de)(de)溫度(du)熔(rong)斷(duan)(duan)器(qi)便(bian)構成排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)。當排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)溫度(du)達280℃時,溫度(du)熔(rong)斷(duan)(duan)器(qi)動(dong)(dong)作,閥(fa)(fa)(fa)門(men)封(feng)閉,中(zhong)(zhong)止(zhi)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)。提示:此(ci)外在排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)干管(guan)(guan)與(yu)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)豎井銜接處或(huo)穿越(yue)風(feng)機機房的(de)(de)(de)墻面(mian)處應設(she)280℃熔(rong)斷(duan)(duan)封(feng)閉的(de)(de)(de)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)或(huo)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)調節閥(fa)(fa)(fa),以阻撓(nao)火(huo)(huo)(huo)(huo)(huo)(huo)勢延伸。
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德州凱億 2022 05 10 于(yu)
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