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怎样减少通风管道内的阻力?

发布人:http://www.qyyl789.com   发布时间:2018-10-23 14:21:04

通风管道我们都不陌生,主要使空气流通,降低有害气体浓度。但是我们在设计通风管道时,要注意管道内的阻力问题,那么如何如何减少通风管道内的阻力呢?下面跟随我们一起来看一下。

Ventilation ducts are not new to us. They mainly circulate the air and reduce the concentration of harmful gases. But when we design the ventilation duct, we should pay attention to the resistance problem in the duct, so how to reduce the resistance in the ventilation duct? Let's take a look together below.

1、通风管道设计时弯曲的角度要尽量呈弧形。

1, the bending angle of ventilation pipe design should be curved as far as possible.

2、所用材料应具有导热性小、保温,耐腐蚀、耐火等性能。

2, the materials used should have small thermal conductivity, thermal insulation, corrosion resistance, fire resistance and other properties.

3、支管的半径不得小于主管半径的1/2-1/3,便于山东通风管道的加工。

3, the radius of the branch pipe shall not be less than 1/2-1/3 of the radius of the main pipe, so as to facilitate the processing of ventilation pipes in Shandong。

山东通风管道

4、通风管道设计时不宜太长,在可能条件下;管径要粗,式样以圆形为佳。

4, ventilation pipe design should not be too long, under the possible conditions; the diameter should be thick, and the pattern should be round。

5、尽量直立或倾斜放置,设置清扫口,连接部分应严密不漏气,并便于检修。

5. Place upright or tilted as far as possible. Set up a sweeping port. The connecting part should be tight and airtight, and be convenient for maintenance.

6、通风管道设计时弯头要尽量少,两个弯头的距离要大些。当两个弯头的距离为管径的3倍时,阻力大约增加80%;若为5倍时,则仅增加30%。

6, the elbow should be designed as little as possible, and the distance between the two elbows should be larger. When the distance between the two elbows is three times of the pipe diameter, the resistance increases by about 80%; if it is five times, it only increases by 30%.

以上6点就是减少通风管道内的阻力的方法,其实在设计通风管道时,有效的减少管道内的阻力,操作起来还是比较简单的,只要我们在设计时多方面考虑,就可以减少通风管道内阻力的产生,希望能够帮助到您。

The above six points is to reduce the resistance in the ventilation duct method, in fact, in the design of the ventilation duct, effectively reduce the resistance in the duct, the operation is relatively simple, as long as we consider in many aspects in the design, we can reduce the resistance in the ventilation duct, hoping to help you。


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