Shutter Mounted Industrial Exhaust Fan is designed for use inside the building with vents outside.

快门式工业排风扇，是专为建筑内部排气而设计的。

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Presents a method to make the smoke exhaust rate equal to the ventilation rate by smoke control zoning for the usage of the dual purpose fan.

为实现风机的兼用，提出通过划分防烟分区，使排烟风量与通风风量保持一致的方法。

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According to the efficiency of heat exchanger, we can determine the suitable conditions of outdoor air for heat recovery from exhaust air by considering energy consumption of fan.

根据换热器的换热效率，考虑风机能耗，可以确定适合进行排风热回收的室外空气参数。

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At its most fundamental level, what you have is an oven mitt for your radiator that's augmented with a temperature sensor and an exhaust fan.

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