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 ; SD ; PY-PY
排烟柜 fume cupboard ; fume cupsnowboard ; 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 ; funnel temperature ; flue gas exhaust temperature
排烟设备 aerosol extractors ; fume extractor ; exhausting smoke equipment
排烟脱硫 stack desulfurization
排烟防火阀 pyfh-sdw ; pfhf-sd ; fire damper ; 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
候机楼采用了地面送风亭射流送风方式、地面排风方式及红外线对射探测器控制的排烟天窗。
Air terminals buildings adopt air supply tower, floor exhaust grillage and smoke exhausting skylight controlled by infrared detector.
我们家的烟囱正在排烟。
工厂的烟囱往空气里排烟，造成大气污染。
Factory chimneys discharge smoke into the atmosphere and make it dirty.
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