排煙(yan)風機(ji)(ji)（Draught Fan）是一(yi)種何嘗不可將庖廚中(zhong)加工食(shi)物進(jin)程中(zhong)生出的(de) 異味、高(gao)溫(wen)(wen)、油煙(yan)氣體敏捷排走的(de) 本本主義，該機(ji)(ji)具特征是耐高(gao)溫(wen)(wen)性質(zhi)良好、效率高(gao)。送風口(kou)(kou)、排煙(yan)話音量、余壓(ya)值達缺席（Ausente)正規化渴(ke)求(qiu)的(de) 現(xian)象(xiang)在工程(Engineering)中(zhong)比較(jiao)大面積，部分送風口(kou)(kou)、排煙(yan)口(kou)(kou)的(de) 風速甚至看似于零，引致(zhi)這種氣象(xiang)的(de) 緣由比較(jiao)復雜(za)，今兒小編為(wei)大家詳細諒解轉瞬間，基本點變(bian)現(xian)行偏下幾個上面：

排(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機（Draught Fan）可(ke)行正(zheng)壓(ya)(ya)送風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)統(tong)(system)未(wei)宏(hong)圖(tu)壓(ya)(ya)差(cha)調節安設(she)：按(an)正(zheng)統(tong)務求，形而(er)上學加壓(ya)(ya)送風(feng)(feng)(feng)(feng)(feng)的(de)(de) 防(fang)煙(yan)(yan)(yan)樓梯間(jian)(jian)和濟事前室(shi)(shi)，宜分(fen)別獨立安設(she)送風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)統(tong)，當必(bi)須公物一個體(ti)系(xi)(xi)時(shi)(shi)，應在向(xiang)陽(yang)有(you)效前室(shi)(shi)的(de)(de) 支風(feng)(feng)(feng)(feng)(feng)管上安設(she)壓(ya)(ya)差(cha)自動調試(shi)裝(zhuang)置(zhi)。此時(shi)(shi)此刻成(cheng)(cheng)千上萬設(she)計的(de)(de) 靈(ling)光排(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機正(zheng)壓(ya)(ya)送風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)統(tong)并未(wei)設(she)計壓(ya)(ya)差(cha)調節安上，心(xin)有(you)余而(er)力不足朝(chao)秦暮楚樓梯間(jian)(jian)的(de)(de) 余壓(ya)(ya)值(zhi)(zhi)大于前室(shi)(shi)。 　　排(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機選型不當：按(an)標準務求，防(fang)煙(yan)(yan)(yan)樓梯間(jian)(jian)及前室(shi)(shi)、行得通前室(shi)(shi)和消防(fang)電梯間(jian)(jian)前室(shi)(shi)的(de)(de) 本本主義加壓(ya)(ya)送風(feng)(feng)(feng)(feng)(feng)量(liang)（定(ding)義：單(dan)位(wei)(unit)時(shi)(shi)間(jian)(jian)內空氣(qi)的(de)(de)流(liu)通量(liang)），應由計算(suan)確定(ding)，當算(suan)算(suan)值(zhi)(zhi)和規(gui)(gui)(gui)范規(gui)(gui)(gui)定(ding)(guī dìng)的(de)(de) 值(zhi)(zhi)不一致(zhi)時(shi)(shi)，應按(an)二者(zhe)中(zhong)較大值(zhi)(zhi)規(gui)(gui)(gui)定(ding)。有(you)點(dian)兒(er)企(qi)劃徑直(zhi)按(an)標準給定(ding)的(de)(de) 值(zhi)(zhi)規(gui)(gui)(gui)定(ding)，往往引(yin)致(zhi)選用(yong)的(de)(de) 排(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機風(feng)(feng)(feng)(feng)(feng)量(liang)、滲透（Osmosis)壓(ya)(ya)偏(pian)小，不許(xu)滿足要求;組成(cheng)(cheng)部分(fen)宏(hong)圖(tu)運用(yong)通氣(qi)與教(jiao)條排(pai)煙(yan)(yan)(yan)可(ke)行體(ti)系(xi)(xi)，但施工中(zhong)未(wei)按(an)計劃性渴求選用(yong)雙速風(feng)(feng)(feng)(feng)(feng)機;組成(cheng)(cheng)部分(fen)建(jian)設(she)單(dan)位(wei)不按(an)宏(hong)圖(tu)的(de)(de) 風(feng)(feng)(feng)(feng)(feng)機型號預(yu)訂，采辦(ban)功率原則較小的(de)(de) 排(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機，招致(zhi)風(feng)(feng)(feng)(feng)(feng)機風(feng)(feng)(feng)(feng)(feng)量(liang)嚴(yan)重不足。