自动喷洒系统讲解

1.FLASH1zzz6080z,z2zzzz3zz85zz4zzz5zz4060zz6zzzzK=80Fastresponsesprinkler)RTI≤50(m·s)0.5Earlysuppressionfastresponsesprinkler,ESFR),RTI≤288(m·s)0.5RTIµhAmCRTI=zRTIRTIzRTI200(m·s)0.563RTI36(m·s)0.511.477zzz88zz510zESFR99zz(3mm)zz1010z3036m2zz1111zz2.13-4p146,302.140%2—34561%10()Φ10Φ15Φ20q=K10PKq—L/minP—MPaK—A1=4q0/4quA1—q0—L/minqu—L/min·L/min·MPa4681216,0.05MPa2601600.10mmL/min·MPa129.04.5162003006.53.520260,0.05MPa0.106L/min·0.05MPa0.1MPaK=80q=K10P=80100.1=80L/minA1=q0/qu=80/6=13.33q=80100.05=56.57L/minA1=56.57/6=9.431S=A1SmA1m2Rmo45cos2RS=22RS1.1A1S1.2D3°=°=30cos30cos2SDRSSDL/min·mmm44.44.520.02.263.64.012.51.883.43.611.51.712~203.03.69.01.52.4m4S2bSRb222:1.4m15m0.05MPaq=80100.05=56.57L/min6L/min·A1=56.57/6=9.43R=A1/=9.43/3.14=1.73mS=2R2–b2=21.732–0.72=3.16m15/3.16=4.8552m3m6(m)3.63.03.63.07.26.0121218m9m12m275mm,150mm75mm~150mm3mm10015015036040.3mm0.450.900.3m52150mm75~15015060.127800mm89101/30.8m1/30.6m11100mm150mm50mm100mm150mm300mm1m2m1212IIIIIIIIIIIIIIIIII(1)(2)(3)()1.2.3.4.5.6.7.8.1.,20mm,20m2610L,2030s30.5MPa1235065801001251502002501.,800,5002.121——2——318005002450m51.2m6())12311.20MPa234100mm50.4MPa68867mm25113233405450108651812804832100——64825mm915mm10mm102‰4‰.()25mm.25mm()()2m1.2m12(1)(2)(3)(4)(5)3(1)10.05MPa2320mm20m(2)4()1.,2.3.4.(1)(2)(3)5.12z,9m26m2z3mz150mm3p176-17716~10L20~30s234