A New System to Reduce Air Pollution in Metro Platform

Metro platform is a narrow space, poor air quality inside. In order to reduce internal air pollution, this article created a new metro ventilation and air conditioning system. This system makes the subway be effective within the pollutants be excluded out of indoors, and energy saving. A new significant ventilation and air conditioning system was created, which compared to the original system, not only reduce air pollution but also save more energy.