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圆形排烟风管的通风效果更为通畅

来源:/添加时间:2018-03-22 11:38:18
通风管道一般管径较大,使用圆管占用的空间较大,影响建筑的层高,所以方管用的较多。圆管也有,主要用在层高较高的建筑内。
The general pipe diameter of the ventilation pipe is larger, the space occupied by the pipe is larger, which affects the floor height of the building, so the square pipe is used more. Round pipes are also used mainly in buildings with high levels of height.
圆形风管也有的,比如涉及到带压的风管超过1公斤压力的都是圆管,主要还是制造成本的问题,卷管比方管焊接要容易。而液体管道因为基本上带压的,所以圆管多,但是也不能说没有方管,比如城市下水道就可以理解为方管或者椭圆管。
Circular duct also involves some, such as pressure pipe pressure is more than 1 kilograms of round pipe, mainly manufacturing cost problems, such as easy to pipe pipe welding. Because the liquid pipe is basically pressure, so there are many round tubes, but it can not be said that there is no square tube. For example, the urban sewer can be understood as a square tube or an elliptical tube.
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对于金属管道来说,常见的有两种,焊接钢管和无缝钢管,焊接管是将一个铁板弯曲成管状,之后将缝焊上,无缝钢管是直接拉出来的,所以,圆管的制造工艺也是比方管简单的.(是有方形的金属管道的)。这样看,方管基本上是一无是处了。
For the metal pipeline, there are two kinds of common, welded and seamless steel pipe, welded pipe is a bent tubular plate, after welding, seamless steel pipe is directly pulled out, so the manufacturing process is simple than the square tube. (it is the square with the metal pipe). In this way, the square tube is basically useless.
周长越大,流体与输送管道的接触面积就越大,阻力也就更大。由于圆形管道的受力是环形受力,所以,圆管的承压也优于方形管道。另外,大部分的风机水泵的出口均是圆形的,所以圆形管道的适应性更好。
The larger the length of the week, the greater the contact area between the fluid and the pipeline, and the greater the resistance. As the force of the circular pipe is toroidal, the pressure of the circular pipe is also better than that of the square pipe. In addition, most of the outlet of the wind turbine and water pump are round, so the circular pipe is more adaptable.
取,2000*4.3*6=51600的风量,风管内风速不大于20,那么风管的截面积就是0.716平米.如果是圆形管道的话,管道的直径就是0.955米,看到了么?还不够他自己用的。
Take the air volume of 2000*4.3*6=51600, and the wind speed inside the wind pipe is no more than 20, so the sectional area of the wind pipe is 0.716 square meters. If the circular pipe is used, the diameter of the pipe is 0.955 meters. Do you see it? It's not enough for him to use it.
另一方面,通风管道经常会在剪力墙(钢筋混凝土墙)上开洞,安装风口给前室送风.这种洞的原则是越窄越好,结构专业给的限制是800mm,另外剪力墙上还有不能打洞的边缘构件,经常给的空间只有四五百宽.像是这种洞的面积一般都是0.8平米,开圆洞根本开不出来的。所以,我们也知道圆形管道各种好,但是奈何现实必须要满足相关专业要求。
On the other hand, ventilation pipes often in shear wall (reinforced concrete wall) openings to install anteroom. The wind outlet hole principle as narrow as possible, the structure of professional to limit is 800mm, in addition there are no holes in the shear wall edge member, often to the space of only four hundred or five hundred as wide. The hole in the area are generally 0.8 square meters, a round hole did not come out. Therefore, we also know that the round pipe is good, but the reality must meet the relevant professional requirements.
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This article is provided by Ji'nan kitchen exhaust pipe. Our website is: /, we will provide you with better service with wholehearted enthusiasm. Welcome to your visit.

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