Ventilation engineering plays an important role in these buildings. The quality of ventilation pipe is directly related to the quality of the whole project. The following ventilation pipe processing tells you how to ensure the installation quality of ventilation pipe.

一、管道材料的挑選

1、 Selection of pipeline materials

風管資料的挑選也對管道的施工質量有很大影響。一般，為了保證管道的分量，需要具有更小厚度的管道，但另外，需要歸納考慮管道的尺度和壓力水平。從設計角度來看，值得注意的是，一個體系能夠同時具有對應于不同靜態壓力水平的幾個管道厚度。

The selection of air duct data also has a great impact on the construction quality of the pipeline. Generally, in order to ensure the component of the pipeline, the pipeline with the minimum thickness is required, but in addition, the pipe size and pressure level need to be considered. From a design point of view, it is worth noting that a system can simultaneously have several pipe thicknesses corresponding to different static pressure levels.

二、風管的縱縫接頭

2、 Longitudinal joint of air duct

可根據實際情況挑選風管對應的方法。在中壓和低壓空氣管道中，經常使用按鈕式咬合銜接。對于矩形風管，接頭接合使用無任何壓力水平，因此按鈕接合能夠節約翻邊過程，并且大多數當時的管道縱向接頭用于接頭處的卡扣。對于筆直接頭和帶帽筆直接頭，鉚釘、自攻螺釘、點焊、壓花壓痕等。可用于緊固。

The corresponding method of air duct can be selected according to the actual situation. In medium pressure and low pressure air pipeline, button type bite connection is often used. For rectangular duct, the joint joint is used without any pressure level, so the button joint can save flanging process, and most of the pipe longitudinal joints at that time are used for the buckle at the joint. For straight joints and cap pen heads, rivets, self tapping screws, spot welding, embossing indentation, etc. Can be used for fastening.

三、管道的水平銜接

3、 Horizontal connection of pipelines

風道的橫向銜接有必定的應力。這種銜接方法能夠說是延伸導管長度的手法，并且還具有增強剛性和保持空氣導管的精確橫向尺度的功用。一般，橫向銜接方法是角鋼法蘭銜接，這取決于墻體厚度，更取決于銜接類型和加固墻體的方法。

The transverse connection of air duct has certain stress. This kind of connection method can be said to be a method of extending the length of the catheter, and also has the function of enhancing the rigidity and maintaining the precise transverse dimension of the air duct. Generally, the transverse connection method is angle steel flange connection, which depends on the thickness of the wall, and also depends on the connection type and the method of strengthening the wall.

四、風管的存放

4、 Storage of air duct

預制管道必須貯存，以防止二次污染。噴嘴能夠用密封資料如塑料布密封，然后氣管能夠堆疊成不同的類別。使用風管前，注意完全清潔，保證板面無腐蝕性，干燥后不會積灰。

Prefabricated pipes must be stored to prevent secondary contamination. The nozzle can be sealed with sealing material such as plastic cloth, and then the air pipe can be stacked into different categories. Before using the air duct, pay attention to complete cleaning to ensure that the board surface is free from corrosion and dust will not accumulate after drying.

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