排烟是一个汉语词语，读音是pái yān，是消防工程专业术语，指将烟气排至建筑室外。犹冲霄。
排烟阀 YS ; PYF-SDc-K ; PY-PY
排烟柜 fume cupboard ; Laminar flow hood
消防排烟风机 FPB ; HTF
排烟系统 purging system ; fume exhaust system ; fume extraction system
排烟温度 exhaust gas temperature ; flue gas temperature ; flue gas exhaust temperature
排烟设备 aerosol extractors ; fume extractor
排烟脱硫 stack desulfurization
排烟防火阀 pyfh-sdw ; pfhf-sd ; PYFH-DSW
排烟罩 plume trap ; extraction hood ; hood ; exhaust hood
Compared with the data of natural smoke extraction, the smoke temperature and density descend obviously and avail to evacuate.
模拟出的数据与自然排烟条件下的烟流特性参数相比较显示,烟气温度、浓度均有明显下降,有利疏散逃生。
参考来源 - 建筑物走廊型通道中火灾烟气流动特性及其防排烟系统特征研究This technology features simple system configuration reliable performance easy maintenance low initial investment greatly reducing boiler flue gas temperature with remarkable energy-saving benefit gained.
系统结构简单,性能可靠,维护方便,初投资少,可大幅度降低锅炉排烟温度,具有显著的节能效果。
参考来源 - 降低电站锅炉排烟温度新技术研究与应用 Study and Application of a New Technology “to Reduce Utility Boiler＇s Flue Gas Temperature”The maximum heat exchange efficiency of the boiler was about 99%, the smoke exhaust temperature was very low, and some water vapor coagulated.
燃气炉的最高换热效率约为99%,排烟温度很低,部分水蒸汽凝结。
参考来源 - 渐变型多孔介质燃烧器的研究与开发The smoke layer can been in definite height and not descend when the smoke exhaust rate is larger than that of generating smoke.
当中庭排烟速率大于或等于产烟速率时，烟气层就能够保持在一定高度上不降下来。
参考来源 - 中庭式大空间建筑火灾探测与排烟智能控制系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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