通风管道的使用可以使得良好的通风，促进室内的空气流通，控制气流的速度缓解窒息感，什么叫做通风，也就是将室内或者是封闭空间里的污浊的空气排出去，在工厂中将产生的有害物质都经过净化处理之后都排出室外，然后再将新鲜空气送入室内，稀释空气的有害物质，满足人们对于空气的需求。
The use of ventilation duct can make good ventilation, promote indoor air circulation, control the speed of airflow and relieve suffocation. What is called ventilation, that is, the dirty air in the room or in the enclosed space is discharged out, and the harmful substances produced in the factory are discharged outdoor after purification treatment, and then the fresh air is sent into the room to dilute the air Harmful substances, to meet people's demand for air.
还有一点就是通风管道保持空气的流通，让人们能够呼吸到新鲜的空气，这也是为人们的身体着想，通风管道在楼房建筑中都有着广泛的应用，让室内的空气更加的畅通。
There is also a point is that the ventilation duct to maintain the air circulation, so that people can breathe fresh air, which is also for the sake of people's body, ventilation ducts in buildings and buildings have a wide range of applications, so that indoor air more smooth.
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通风管道按材质分：一般有：钢板风管（普通钢板）、镀锌板（白铁）风管、不锈钢通风管、玻璃钢通风管、塑料通风管、复合材料通风管、彩钢夹心保温板通风管、双面铝箔保温通风管、单面彩钢保温风管、涂胶布通风管（如矿用风筒）、矿用塑料通风管等；
According to the materials, ventilation pipes are generally divided into: steel plate air duct (ordinary steel plate), galvanized steel plate (white iron) air pipe, stainless steel ventilation pipe, glass fiber reinforced plastic ventilation pipe, composite material ventilation pipe, color steel sandwich insulation board ventilation pipe, double-sided aluminum foil heat preservation ventilation pipe, single-sided color steel insulation air pipe, coated tape ventilation pipe (such as mine air duct), mining plastic ventilation pipe, etc;