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为保证空气环境额定参数的地铁强制通风消耗大量电能。区间隧道通风运行能耗量为地铁工作时全部能量消耗的10％～15％,亦可说是通风总能耗的47％—50％。地铁设计规范明确规定两种运行图式:可逆和单向的。前一种用于最冷月份室外平均气温低于0℃的城市地铁,在热季室外空气由车站送往区间,冷季室外空气由区间送往车站;后一种用于其他气候的地区,室外空气从车站供给,由区间排出。
In order to ensure the air environment rated parameters of the metro forced ventilation consume a large amount of electricity. The energy consumption of the tunnel tunnel ventilation is 10% -15% of the total energy consumption of the subway, or 47% -50% of the total energy consumption of the ventilation. Subway design specifications clearly define two operating patterns: reversible and one-way. The former urban metro, which is used for outdoor air with an average outdoor temperature below 0 ° C in the coldest month, is sent by the station to the area during the hot season and from the area to the station during the cold season. The latter area, used for other climates, Outdoor air is supplied from the station and expelled from the area.