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气体灭火后的排气作为地下防护区和无窗或设固定窗扇的地上防护区来说是不可忽视的。然而,因没有明确的相关国标条文对应,在实际工程设计过程中,设计人员往往因各人理解的不同而引起争议。因此,现结合实际工程经验和相关规范,分析了此类灾后排气风机设备的负荷性质和供电要求,并对供电给出了适当的建议。
Exhaust gas after fire extinguishing can not be ignored as an underground protection zone and a ground protection zone without windows or fixed sash. However, due to the lack of corresponding provisions of the relevant national standard, in the actual engineering design process, designers are often controversial because of their different understandings. Therefore, combined with the actual engineering experience and relevant norms, this paper analyzes the load characteristics and power supply requirements of such exhaust fan equipment after disasters, and gives appropriate advice on the power supply.