廠房泄爆面積計(jì)算

,廠房防爆驗(yàn)算,,,,,,,,,,,,,,,,,,,,,,,,,,,

,3.6廠房（倉庫）的防爆,,,,,,,,,最小需要泄爆面積,,,,,實(shí)際泄爆面積,,,,,,,,,,,,,

,3.6.1有爆炸危險(xiǎn)的甲、乙類廠房宜獨(dú)立設(shè)置，并宜采用敞開或半敞開式。其承重結(jié)構(gòu)宜采用鋼筋混凝土或鋼框架、排架結(jié)構(gòu)。,,,,,,,,,分段數(shù)N計(jì)算,,,,,第1段,,,,,,,第2段,,,,,,

,3.6.2有爆炸危險(xiǎn)的甲、乙類廠房應(yīng)設(shè)置泄壓設(shè)施。,,,,,,,,,廠房外形最長(zhǎng)尺寸，m,11.64,,,,,寬,高,數(shù)量,直徑,數(shù)量,面積,,寬,高,數(shù)量,直徑,數(shù)量,面積

,3.6.3有爆炸危險(xiǎn)的甲、乙類廠房，其泄壓面積宜按下式計(jì)算，但當(dāng)廠房的長(zhǎng)徑比大于3時(shí)，宜將該建筑劃分為長(zhǎng)徑比小于等于3的多個(gè)計(jì)算段，各計(jì)算段中的公共截面不得作為泄壓面積：,,,,,,,,,廠房截面高度，m,4.6,,,,洞口1,2.100,3.000,6,0.000,6,37.800,洞口1,1.500,2.100,7,0.000,0,22.050

,,,,,,,,,,廠房截面寬度，m,5.64,,,,洞口2,2.100,3.000,1,0.000,1,6.300,洞口2,2.100,2.700,1,0.000,0,5.670

,,,,,,,,,,廠房橫截面周長(zhǎng)，m,20.48,,,,洞口3,2.100,3.000,1,0.000,1,6.300,洞口3,0.000,2.100,1,0.000,0,0.000

,A=10CV2/3,,（3.6.3）,,,,,,,廠房橫截面積，m2,25.944,,,,洞口4,,,,,,0.000,洞口4,,,,,,0.000

,式中：,,,,,,,,,N=,2.297132285,N值不大于3，不需分段計(jì)算泄壓面積,,,洞口5,,,,,,0.000,洞口5,,,,,,0.000

,A－泄壓面積，m2；,,,,,,,,,,,,,,洞口6,,,,,,0.000,洞口6,,,,,,0.000

,V－廠房的容積，m3；,,,,,,,,,泄爆面積A計(jì)算,,,,,洞口7,,,,,,0.000,洞口7,,,,,,0.000

,C－廠房容積為1000m3時(shí)的泄壓比，可按表3.6.3選取，m2/m3。,,,,,,,,,分段計(jì)算,第1段,第2段,第N段,,洞口8,,,,,,0.000,洞口8,,,,,,0.000

,,,,,,,,,,廠房?jī)舾叨?4.600,0.000,0.000,,洞口9,,,,,,0.000,洞口9,,,,,,0.000

,表3.6.3廠房?jī)?nèi)爆炸性危險(xiǎn)物質(zhì)的類別與泄壓比值（m2/m3）,,,,,,,,,廠房?jī)糸L(zhǎng)度,11.640,0.000,0.000,,洞口10,,,,,,0.000,洞口10,,,,,,0.000

,,,,,,,,,,廠房?jī)魧挾?5.640,0.000,0.000,,洞口11,,,,,,0.000,洞口11,,,,,,0.000

,廠房?jī)?nèi)爆炸性危險(xiǎn)物質(zhì)的類別,,,,,,C值,,,C=,0.055,0.055,0.110,,洞口12,,,,,,0.000,洞口12,,,,,,0.000

,氨以及糧食、紙、皮革、鉛、鉻、銅等K塵＜10MPa·m·s-1的粉塵,,,,,,≥,0.030,,V=,301.988,0.000,0.000,,洞口13,,,,,,0.000,洞口13,,,,,,0.000

,木屑、炭屑、煤粉、銻、錫等10MPa·m·s-1≤K塵≤30MPa·m·s-1的粉塵,,,,,,≥,0.055,,A=,24.757,0.000,0.000,,洞口14,,,,,,0.000,洞口14,,,,,,0.000

,"丙酮、汽油、甲醇、液化石油氣、甲烷、噴漆間或干燥室以及苯酚樹脂、鋁、鎂、鋯等K塵＞30MPa·m·s-1的粉塵

",,,,,,≥,0.110,,,,,,,洞口15,,,,,,0.000,洞口15,,,,,,0.000

,乙烯,,,,,,≥,0.160,,,,,,,洞口16,,,,,,0.000,洞口16,,,,,,0.000

,乙炔,,,,,,≥,0.200,,,注：,修改綠色數(shù)值,,,洞口17,,,,,,0.000,洞口17,,,,,,0.000

,氫,,,,,,≥,0.250,,,,C值查表修改,,,洞口18,,,,,,0.000,洞口18,,,,,,0.000

,注：長(zhǎng)徑比為建筑平面幾何外形尺寸中的最長(zhǎng)尺寸與其橫截面周長(zhǎng)的積和4.0倍的該建筑橫截面積之比。,,,,,,,,,,,,,,,,,,,總泄爆面積Σ=,50.400,,,,,