排(pai)煙(yan)系(xi)統：設(she)置部(bu)位(wei)：1.較長的(de)(de)(de)(de)疏(shu)散(san)(san)走道(dao)；2.有人(ren)停(ting)留或可(ke)燃(ran)物較多、面(mian)積較大(da)的(de)(de)(de)(de)地上房(fang)(fang)間(jian)(jian)和地下室(shi)（這兩項(xiang)的(de)(de)(de)(de)具(ju)體標(biao)準因建(jian)(jian)筑(zhu)定(ding)性而(er)異，淮北排(pai)煙(yan)工程，具(ju)體可(ke)參見建(jian)(jian)筑(zhu)防(fang)火設(she)計(ji)規范(fan)）；3.中(zhong)庭。由此可(ke)見，排(pai)煙(yan)系(xi)統的(de)(de)(de)(de)作用是將進入疏(shu)散(san)(san)走道(dao)的(de)(de)(de)(de)煙(yan)氣(qi)排(pai)出室(shi)外，為(wei)人(ren)員(yuan)疏(shu)散(san)(san)創(chuang)造必要(yao)的(de)(de)(de)(de)安全(quan)條件。劃分(fen)(fen)防(fang)煙(yan)分(fen)(fen)區的(de)(de)(de)(de)目的(de)(de)(de)(de)：有利(li)于(yu)(yu)建(jian)(jian)筑(zhu)物內人(ren)員(yuan)安全(quan)疏(shu)散(san)(san)與(yu)有組織排(pai)煙(yan)。劃分(fen)(fen)防(fang)煙(yan)分(fen)(fen)區的(de)(de)(de)(de)構建(jian)(jian)主要(yao)有擋煙(yan)垂壁、隔(ge)墻、防(fang)火卷簾、建(jian)(jian)筑(zhu)橫(heng)梁(liang)等。方式：1.自(zi)然(ran)通(tong)風(feng)、2.機械排(pai)煙(yan)、自(zi)然(ran)通(tong)風(feng)方式。房(fang)(fang)間(jian)(jian)和走道(dao)的(de)(de)(de)(de)自(zi)然(ran)通(tong)風(feng)不同于(yu)(yu)樓梯間(jian)(jian)和前室(shi)的(de)(de)(de)(de)自(zi)然(ran)通(tong)風(feng)。

防(fang)煙(yan)(yan)分區(qu)范圍是(shi)指以(yi)屋(wu)頂擋(dang)(dang)煙(yan)(yan)隔板、擋(dang)(dang)煙(yan)(yan)垂壁或從頂棚向(xiang)下突(tu)出(chu)(chu)不(bu)小(xiao)于(yu)(yu)(yu)500mm的梁為界，從地(di)板到屋(wu)頂或吊(diao)頂之(zhi)間(jian)的規定空間(jian)。不(bu)同(tong)樓層的廚(chu)(chu)房(fang)油煙(yan)(yan)通過同(tong)一主(zhu)管道排(pai)出(chu)(chu)，離出(chu)(chu)口近(jin)的樓層廚(chu)(chu)房(fang)排(pai)煙(yan)(yan)效果較好，而(er)較低樓層的廚(chu)(chu)房(fang)排(pai)煙(yan)(yan)不(bu)通暢。當工業建(jian)(jian)筑采用(yong)自(zi)然排(pai)煙(yan)(yan)方式時，其(qi)水平距離不(bu)應(ying)大于(yu)(yu)(yu)建(jian)(jian)筑內空間(jian)凈高(gao)的2.8倍。當公共建(jian)(jian)筑空間(jian)凈高(gao)大于(yu)(yu)(yu)等于(yu)(yu)(yu)6m時，且具有自(zi)然對流條件時，其(qi)水平距離不(bu)應(ying)大于(yu)(yu)(yu)37.5m。

防火(huo)(huo)調(diao)(diao)(diao)(diao)(diao)理(li)(li)閥(fa)(fa)，消防排煙(yan)(yan)工(gong)程(cheng)價錢表，防火(huo)(huo)調(diao)(diao)(diao)(diao)(diao)理(li)(li)閥(fa)(fa)裝置(zhi)在(zai)有(you)防火(huo)(huo)要(yao)求(qiu)的(de)通(tong)風(feng)(feng)空(kong)調(diao)(diao)(diao)(diao)(diao)系統(tong)(tong)管道上(shang)（避免火(huo)(huo)勢沿風(feng)(feng)道延伸(shen)），它(ta)的(de)功(gong)用(yong)有(you)：溫(wen)(wen)度(du)熔斷器在(zai)70℃時熔斷，使(shi)(shi)(shi)閥(fa)(fa)門(men)封(feng)閉(bi)；輸出閥(fa)(fa)門(men)封(feng)閉(bi)信號，通(tong)風(feng)(feng)空(kong)調(diao)(diao)(diao)(diao)(diao)系統(tong)(tong)風(feng)(feng)機(ji)停機(ji)；無級(ji)調(diao)(diao)(diao)(diao)(diao)理(li)(li)風(feng)(feng)量。防煙(yan)(yan)防火(huo)(huo)調(diao)(diao)(diao)(diao)(diao)理(li)(li)閥(fa)(fa)，排煙(yan)(yan)工(gong)程(cheng)公司，防煙(yan)(yan)防火(huo)(huo)調(diao)(diao)(diao)(diao)(diao)理(li)(li)閥(fa)(fa)裝置(zhi)在(zai)有(you)防煙(yan)(yan)防火(huo)(huo)要(yao)求(qiu)的(de)通(tong)風(feng)(feng)空(kong)調(diao)(diao)(diao)(diao)(diao)系統(tong)(tong)管道上(shang)（避免煙(yan)(yan)火(huo)(huo)延伸(shen)），它(ta)的(de)功(gong)用(yong)有(you)：感煙(yan)(yan)（溫(wen)(wen)）電信號聯動使(shi)(shi)(shi)閥(fa)(fa)門(men)封(feng)閉(bi)，通(tong)風(feng)(feng)空(kong)調(diao)(diao)(diao)(diao)(diao)系統(tong)(tong)風(feng)(feng)機(ji)停機(ji)；手動使(shi)(shi)(shi)閥(fa)(fa)門(men)封(feng)閉(bi)，風(feng)(feng)機(ji)停機(ji)；溫(wen)(wen)度(du)熔斷器在(zai)70℃時熔斷使(shi)(shi)(shi)閥(fa)(fa)門(men)封(feng)閉(bi)；輸出閥(fa)(fa)門(men)封(feng)閉(bi)信號；按90°五等分有(you)級(ji)調(diao)(diao)(diao)(diao)(diao)理(li)(li)風(feng)(feng)量。