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怎樣減少通風(fēng)管道內(nèi)的阻力?

發(fā)布人:http://hwzxw.net   發(fā)布時間:2018-10-23 14:21:04

通風(fēng)管道我們都不陌生,主要使空氣流通,降低有害氣體濃度。但是我們在設(shè)計(jì)通風(fēng)管道時,要注意管道內(nèi)的阻力問題,那么如何如何減少通風(fēng)管道內(nèi)的阻力呢?下面跟隨我們一起來看一下。

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、通風(fēng)管道設(shè)計(jì)時彎曲的角度要盡量呈弧形。

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

2、所用材料應(yīng)具有導(dǎo)熱性小、保溫,耐腐蝕、耐火等性能。

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

3、支管的半徑不得小于主管半徑的1/2-1/3,便于山東通風(fēng)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.

山東通風(fēng)管道

4、通風(fēng)管道設(shè)計(jì)時不宜太長,在可能條件下;管徑要粗,式樣以圓形為佳。

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、盡量直立或傾斜放置,設(shè)置清掃口,連接部分應(yīng)嚴(yán)密不漏氣,并便于檢修。

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、通風(fēng)管道設(shè)計(jì)時彎頭要盡量少,兩個彎頭的距離要大些。當(dāng)兩個彎頭的距離為管徑的3倍時,阻力大約增加80%;若為5倍時,則僅增加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點(diǎn)就是減少通風(fēng)管道內(nèi)的阻力的方法,其實(shí)在設(shè)計(jì)通風(fēng)管道時,有效的減少管道內(nèi)的阻力,操作起來還是比較簡單的,只要我們在設(shè)計(jì)時多方面考慮,就可以減少通風(fēng)管道內(nèi)阻力的產(chǎn)生,希望能夠幫助到您。

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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