防排煙前室、樓梯間加壓送風(fēng)量計(jì)算表,,,,,,,,,,,,,,,,,,,,"★取值說(shuō)明：

●v-門(mén)洞斷面風(fēng)速；樓梯間、前室均送風(fēng)0.7m/s；樓梯間送風(fēng)，獨(dú)立前室不送風(fēng)1.0m/s；消防電梯前室送風(fēng)1.0m/s；樓梯間自然通風(fēng)，前室送風(fēng)0.6(樓梯間門(mén)總面積/前室門(mén)總面積+1)m/s；

●△P-漏風(fēng)門(mén)平均壓差；0.7m/s時(shí)，6.0Pa；1.0m/s時(shí)，12Pa；1.2m/s時(shí)，17Pa；

●N1-疏散門(mén)開(kāi)啟數(shù)量；樓梯間：24m以下，2層內(nèi)疏散門(mén)開(kāi)啟，取2；24m以上，3層內(nèi)疏散門(mén)開(kāi)啟，取3；地下樓梯間，1層內(nèi)疏散門(mén)開(kāi)啟，取1；前室，取3，＜3層的按實(shí)際層數(shù)??；

●N2-漏風(fēng)門(mén)數(shù)量；加壓樓梯間總門(mén)數(shù)-N1；

●N3-漏風(fēng)閥門(mén)數(shù)量；前室樓層數(shù)-3；

●A-單個(gè)門(mén)漏風(fēng)面積；1.5m*2.0m,0.018m2；1.2m*2.0m,0.0168m2；1.2m*2.0m,0.012m2",,,

系統(tǒng)編號(hào),消防加壓送風(fēng)部位,,前室送風(fēng)量,樓梯間送風(fēng)量,門(mén)縫面積,平均壓差,漏風(fēng)門(mén)數(shù)量,門(mén)縫漏風(fēng)量,門(mén)洞面積,門(mén)洞風(fēng)速,開(kāi)啟門(mén)數(shù),門(mén)洞送風(fēng)量,閥門(mén)面積,漏風(fēng)閥門(mén)數(shù)量,閥門(mén)漏風(fēng)量,計(jì)算風(fēng)量,風(fēng)道截面,風(fēng)口截面,設(shè)計(jì)風(fēng)量,,,,

,層數(shù),部位,Ls=L1+L3(m3/h),Lj=L1+L2(m3/h),A,△P,N2,L2,Ak,v,N1,L1,AF,N3,L3,,按15m/s,按5m/s,,,,,

,,,,,(㎡),(Pa),(個(gè)),(m3/s),(㎡),(m/s),(個(gè)),(m3/s),(㎡),(個(gè)),(m3/s),(m3/h),(㎡),(㎡),(m3/h),,,,

,1,合用前室（1個(gè)門(mén)）,8100,,,,,,3.2,0.70,1,2.24,0.45,0,0.00,8100,0.15,0.45,9720,,,,

,,樓梯間（帶前室）,,16200,0.018,6,0,0.00,3.2,0.70,2,4.48,,,,16200,0.30,0.90,19440,,表5.1.1-1消防電梯前室的加壓送風(fēng)量,,

,,樓梯間（獨(dú)立）,,29300,0.031,12,4,0.44,3.8,1.00,2,7.68,,,,29300,0.54,1.63,35160,,系統(tǒng)負(fù)擔(dān)高度h（m）,加壓送風(fēng)量(m3/h),

,2,合用前室（1個(gè)門(mén)）,16200,,,,,,3.2,0.70,2,4.48,0.45,0,0.00,16200,0.30,0.45,19440,,24≤h＜50,"13,800～15,700",

,,樓梯間（帶前室）,,16200,0.018,6,0,0.00,3.2,0.70,2,4.48,,,,16200,0.30,0.45,19440,,50≤h＜100,"16,000～20,000",

,,樓梯間（獨(dú)立）,,40000,0.031,12,4,0.44,3.8,0.70,4,10.64,,,,40000,0.74,1.11,48000,,,,

,3,合用前室（1個(gè)門(mén)）,24200,,,,,,3.2,0.70,3,6.72,0.45,0,0.00,24200,0.45,0.45,29040,,表5.1.1-2樓梯間自然通風(fēng)，前室、合用前室的加壓送風(fēng)量,,

,,樓梯間（帶前室）,,16300,0.018,6,1,0.05,3.2,0.70,2,4.48,,,,16300,0.30,0.30,19560,,系統(tǒng)負(fù)擔(dān)高度h（m）,加壓送風(fēng)量(m3/h),

,,樓梯間（獨(dú)立）,,16300,0.018,6,1,0.05,3.2,0.70,2,4.48,,,,16300,0.30,0.30,19560,,24＜h≤50,"16,300～18,100",

,6,合用前室（1個(gè)門(mén)）,24700,,,,,,3.2,0.70,3,6.72,0.46,3,0.11,24700,0.46,0.46,29640,,50＜h≤100,"18,400～22,000",

,,樓梯間（帶前室）,,16800,0.018,6,4,0.18,3.2,0.70,2,4.48,,,,16800,0.31,0.47,20160,,,,

,,樓梯間（獨(dú)立）,,16800,0.018,6,4,0.18,3.2,0.70,2,4.48,,,,16800,0.31,0.47,20160,,表5.1.1-3前室不送風(fēng)，封閉樓梯間、防煙樓梯間的樓梯間加壓送風(fēng)量,,

,8,合用前室（1個(gè)門(mén)）,24900,,,,,,3.2,0.70,3,6.72,0.46,5,0.19,24900,0.46,0.46,29880,,系統(tǒng)負(fù)擔(dān)高度h（m）,加壓送風(fēng)量(m3/h),

,,樓梯間（帶前室）,,17200,0.018,6,6,0.27,3.2,0.70,2,4.48,,,,17200,0.32,0.32,20640,,24＜h≤50,"25,400～28,700",

,,樓梯間（獨(dú)立）,,17200,0.018,6,6,0.27,3.2,0.70,2,4.48,,,,17200,0.32,0.32,20640,,50＜h≤100,"40,000～46,400",

,12,合用前室（1個(gè)門(mén)）,25200,,,,,,3.2,0.70,3,6.72,0.35,9,0.26,25200,0.47,0.35,30240,,,,

,,樓梯間（帶前室）,,26300,0.018,12,9,0.58,3.2,0.70,3,6.72,,,,26300,0.49,0.49,31560,,表5.1.1-4防煙樓梯間的樓梯間及合用前室的分別加壓送風(fēng)量,,

,,樓梯間（獨(dú)立）,,26300,0.018,12,9,0.58,3.2,0.70,3,6.72,,,,26300,0.49,0.37,31560,,系統(tǒng)負(fù)擔(dān)高度h（m）,送風(fēng)部位,加壓送風(fēng)量(m3/h)

,18,合用前室（1個(gè)門(mén)）,26400,,,,,,3.2,0.70,3,6.72,0.49,15,0.61,26400,0.49,0.49,31680,,24＜h≤50,樓梯間,"17,800～20,200"

,,樓梯間（帶前室）,,26700,0.018,6,15,0.68,3.2,0.70,3,6.72,,,,26700,0.49,0.25,32040,,,合用前室,"10,200～12,000"

,,樓梯間（獨(dú)立）,,26700,0.018,6,15,0.68,3.2,0.70,3,6.72,,,,26700,0.49,0.25,32040,,50＜h≤100,樓梯間,"28,200～32,600"

,20,合用前室（1個(gè)門(mén)）,26800,,,,,,3.2,0.70,3,6.72,0.50,17,0.71,26800,0.50,0.50,32160,,,合用前室,"12,300～15,800"

,,樓梯間（帶前室）,,27000,0.018,6,17,0.77,3.2,0.70,3,6.72,,,,27000,0.50,0.21,32400,,,,

,,樓梯間（獨(dú)立）,,27000,0.018,6,17,0.77,3.2,0.70,3,6.72,,,,27000,0.50,0.21,32400,,注：1表5.1.1-1至表5.1.1-4的風(fēng)量按開(kāi)啟2.0m×1.6m的雙扇門(mén)確定。當(dāng)采用單扇門(mén)時(shí)，,,

,24,合用前室（1個(gè)門(mén)）,27400,,,,,,3.2,0.70,3,6.72,0.51,21,0.89,27400,0.51,0.51,32880,,"其風(fēng)量可乘以0.75系數(shù)計(jì)算，當(dāng)設(shè)有多個(gè)疏散門(mén)時(shí),其風(fēng)量應(yīng)乘以開(kāi)啟疏散門(mén)的數(shù)量,最",,

,,樓梯間（帶前室）,,27700,0.018,6,21,0.96,3.2,0.70,3,6.72,,,,27700,0.51,0.19,33240,,多按3扇疏散門(mén)開(kāi)啟計(jì)算；,,

,,樓梯間（獨(dú)立）,,27700,0.018,6,21,0.96,3.2,0.70,3,6.72,,,,27700,0.51,0.19,33240,,2表5.1.1-1至表5.1.1-4中未考慮防火分區(qū)跨越樓層時(shí)的情況；當(dāng)防火分區(qū)跨越樓層時(shí)應(yīng)按照本規(guī)范公式5.1.4～公式5.1.7重新計(jì)算；,,

,26,合用前室（1個(gè)門(mén)）,27700,,,,,,3.2,0.70,3,6.72,0.51,23,0.97,27700,0.51,0.51,33240,,3表中風(fēng)量的選取應(yīng)按建筑高度或?qū)訑?shù)、風(fēng)道材料、防火門(mén)漏風(fēng)量等因素綜合確定。,,

,,樓梯間（帶前室）,,28000,0.018,6,23,1.05,3.2,0.70,3,6.72,,,,28000,0.52,0.17,33600,,,,

,,樓梯間（獨(dú)立）,,28000,0.018,6,23,1.05,3.2,0.70,3,6.72,,,,28000,0.52,0.17,33600,,,,

,28,合用前室（1個(gè)門(mén)）,28100,,,,,,3.2,0.70,3,6.72,0.52,25,1.