GB50151-1992低倍泡沫灭火系统设计规范

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11@@GB50151-199220001012000199222@@25GB5015l-922000101200082533@@103211[]2080AngusFFFP20902.1.1A44@@2.1.210[]10NFPA1119982144352.2.1“”“”22.255@@18m7m9m[]18m2.2.325mm25mm[]66@@“”25mm2.2.4[]NFPA111998225[]25mmNFPA11—1998BS5306Part6226[]25mmNFPA111998BS5306Part6311311—1M1=A1·R1·T1n·Qf·t+V31l—1M1--L77@@A1--m2R1--Lmin·m2T1--minN--Qf--Lmint--minV--L311--2M2=A2·K2·T2(311—2M2LA2--m2R2--Lmin·m2;T2--min311—3M3=1.2A3·R3·T3311—3M3--LA3--m2R3--Lmin·m2T3--min[]3113.1.2311“”1231288@@[]3213.2.23.2.3SH3046—92314314240Lmin314mmin≤1010≤2020≤3030≤4040112231020203030[]31199@@BS5306Part6NFPA11315100Ls[]316[]3173186Om460m3192000m31010@@16m3·2·1321—13.2.11minLmin·m36.O40305.045301802106Lmin·m340min32123212Lmin·m2min123012251111@@[]BS5306Part6NFPA11—1998ISO70763.2.1132212.5Lmin·m230min322322mm≥0.9240.612≥0.6240.618≥0.6240.3m0.1mO.9m0.3m0.6mO.6m1m212mm8mm3.2.23.2.2“”“”1212@@AB322NFPA111998BS5306Part6322NFPA11—19981313@@0.6m0.6m323321321321321SO322O55mO.5m3.2.43.2.43.2.4m≤10110≤25225≤30330≤35435m300m211414@@3.2.25TT3O—6O°“’324225m5000m3“”3,NFPA111324“”T3.2.53m1515@@O.5m0.7m3263.2.60.3m3‰[]3253.2.72‰3183281616@@3313325.OLmin·m25040mm2s104Omin3ms6ms45200.3m332332m≤23123≤33233≤4034Om400m21NFPA11BS53O6Part61717@@33333213343262‰“”3353353363273371818@@Ω3.4.13.4.23423.4.2mL/min·m2min≤1081010≤106.510810“”343NFPA161995————BS53O6Part6ISO70763431919@@3443.4.55344—5mm2m≤1012.53.610103.2NFPA13NFPA16GBJ8485GB50219—953451O3.4.660sGB5O219—952020@@3.4.7300m15mm25mm2.5m3.4.8---355GB50052—9535720m5min3.6.12121@@361361minLmin·m28060456.56045[]32lBS5306Part6NFPA11—1998362536236·2L/min·m2(min)6.5205.0201230NFPA1119983633633.6.3minLmin·m26.540306.530202222@@321NFPA111998BS5306Part63643643.6.4Lmin·m2min6.5155.0151215BS53O6PartNFPA11199836537137lq=k√10p3.7.1qLskPMPa“”3243.33“”“”2323@@3.7.23.7.2Q=k1QjQ(LS)k1k1≥1.O5QjLs3.7.33ms5ms3ms~9ms“”3283.3.6Bs53O6Part6GBJ8485252min3min3.7.4374i=0.0000107(V2/D1.3)iMPamV--m/sD--m[]1.2msGBJ8485GB5021995375[]4243763.7.6hr=BRQ2y3.7.6hr--MPa2424@@BR--Qy--LS[]GB50219-9537720%~30%[]GB50219957.222O3026l20151520303783.7.8h=CQp1..723·7·8:h--10mPa1OmC--Qp--LS337813.7.8—2378lmmc10012.9201502.1402000.5552525@@2500.2103000.1113500.071m378—21502002503001.251.501.752.00904.255.006.758.0012.0015.2520.5024.50[]335332379379H∑hhhz3.7.9HMPa∑hMPahMPahzMPa412421112626@@364.2.2A301[]NFPA11199833396%674.2.2B4.2.410m25m20.5m23min25m34.2.5O.2MPa3552727@@4.324.4.1±l.1MPa1m“”3244422828@@24[]“”333“”3334.4.30.8[]202929@@3030@@

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