在我们的生活中，经常会有各种接触管道产品的机会，特别是通风管道，无论是娱乐场所、酒店甚工厂，通风管道都是必不可少的。
In our life, we often have various opportunities to contact pipeline products, especially ventilation pipes. Ventilation pipes are essential in entertainment places, hotels and even factories.
山东通风管道加工通风设备我们都很熟悉，通风管道是连接风机、空气处理设备和进风口的管道，是通风设备的重要组成部分。设计通风管道时，应注意通风管道中的阻力，设应尽可能减小阻力。
We are all familiar with the ventilation equipment of Shandong ventilation pipe processing. The ventilation pipe is the pipe connecting the fan, air handling equipment and air inlet. It is an important part of the ventilation equipment. When designing the ventilation duct, pay attention to the resistance in the ventilation duct and reduce the resistance as much as possible.
自通风管道问世以来，由于其自身的特点和低价席卷了整个市场，受到许多制造商的欢迎。在使用中，要学会该学会维护和清洁通风管道，以便更好地发挥自己的作用。
Since the air duct came out, it has swept the whole market due to its own characteristics and low price, and has been welcomed by many manufacturers. In use, we should learn how to maintain and clean the ventilation duct, so as to better play our role.
1.通风管道加工所用材料应具有低导热性、保温性、耐腐蚀性和耐火性。
1. The materials used in the processing of ventilation pipes shall have low thermal conductivity, thermal insulation, corrosion resistance and fire resistance.
2.通风管道设计不应过长，在可能的条件下；直径要粗，样式要圆。
2. The design of ventilation duct shall not be too long, if possible; The diameter should be thick and the style should be round.
3.支管半径不小于主管半径的1/2-1/3，便于通风管加工。
3. The radius of the branch pipe shall not be less than 1 / 2-1 / 3 of the radius of the main pipe, which is convenient for the processing of the ventilation pipe.
4.设计通风管道时，弯曲角度应尽可能弯曲。
4. When designing the ventilation duct, the bending angle shall be as curved as possible.
5.设计通风管道时，弯头应尽可能少，两个弯头之间的距离应较大。当两弯头之间的距离为管径的3倍时，阻力增加约80%。如果是5倍，只会增加30%。
5. When designing the ventilation duct, the elbows should be as few as possible, and the distance between the two elbows should be large. When the distance between two elbows is 3 times of the pipe diameter, the resistance increases by about 80%. If it is five times, it will only increase by 30%.
6.尽量直立或倾斜，并设置清洗口。连接部分应紧密气密，易于维修。
6. Try to be upright or inclined, and set up a cleaning port. The connecting part shall be tight and airtight and easy to maintain.
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