济南通风管道是用于空气输送和分布的管道系统。净化通风管道是工业与民用建筑的通风与空调工程用金属或非金属管道，是为了使空气流通，降低有害气体浓度的一种基础设施。你知道风管的安装及中间检验怎么做吗？下面

Jinan ventilation pipeline is a pipeline system used for air transmission and distribution. Purified ventilation duct is a metal or non-metallic duct for ventilation and air conditioning engineering of industrial and civil buildings. It is an infrastructure to make air circulate and reduce the concentration of harmful gases. Do you know how to do the installation and intermediate inspection of air duct? below

（1）先按济南通风管道设计图纸并参照土建基准线找出风管标高。

(1) Firstly, find out the elevation of air duct according to the design drawings of Jinan air duct and reference to the civil baseline.

（2）标高确定后按风管系统所在空间确定风管支吊架形式，风管支吊架形式及用料规格按照<<采暖通风设计选用手册>>(T607)选用。

(2) After the elevation is determined, the air duct support and hanger form shall be determined according to the space where the air duct system is located. The air duct support and hanger form and material specification shall be selected according to<>(T607).

（3）安装吊架

(3) Installation hanger

（A）按风管线找出吊杆敷设位置，单吊杆在风管线上；双吊杆按托盘的螺栓孔距或风管的线对称安装。

(A) Find out the laying position of the suspender according to the center line of the air duct, and the single suspender is on the center line of the air duct; The double suspenders shall be installed symmetrically according to the bolt hole distance of the tray or the centerline of the air duct.

（B）吊杆根据吊件形式可焊在吊件上，也可挂在吊件上。

(B) The suspender can be welded or hung on the hanger according to the form of hanger.

（C）立管管卡安装时，应先把上面的吊件固定好，再用锤在得吊线，下面的管卡按所吊的线进行固定。

(C) When installing the riser clamp, the upper hanger shall be fixed first, and then the hanging line shall be obtained by hammering in the center. The lower clamp shall be fixed according to the hanging line.

（D）当风管较长时，需安装一排支架时，可先固定两端，再用拉线法安装其它支架。

(D) When the air duct is long and a row of supports need to be installed, fix the two ends first, and then install other supports with the pull wire method.

（E）济南通风管道安装须设置固定支架。

(E) Fixed supports must be provided for the installation of ventilation pipes in Jinan.

（F）支吊架的予埋件或膨胀螺栓埋入部分不得有油漆，并去除油污。（G)支吊架不得安装在风口、阀门、检查孔处，以免妨碍操作，吊架不得直接吊在法兰上。

(F) Embedded parts of supports and hangers or embedded parts of expansion bolts shall be free of paint and oil stain shall be removed. (G) The support and hanger shall not be installed at the air outlet, valve and inspection hole to avoid hindering the operation. The hanger shall not be directly hung on the flange.

（G)保温风管不得直接与支架接触，应垫上坚固的木条，厚度与保温层相同。

(G) The insulation air duct shall not directly contact with the support, but shall be padded with solid wooden strips with the same thickness as the insulation layer.

（H）风管支吊架间距应符合设计要求，如无设计要求，对不保温水平风管：直径或边长小于400mm间距不应大于四米；直径或边长大于400mm间距不应大于三米；对不保温垂直风管支架间距不大于四米，且每根立管不少于两个支架。

(H) The spacing between supports and hangers of air duct shall meet the design requirements. If there is no design requirement, the spacing of uninsulated horizontal air duct shall not be greater than four meters if its diameter or side length is less than 400 mm; The distance between diameters or side lengths greater than 400mm shall not be greater than 3m; The spacing between supports of uninsulated vertical air duct shall not be more than four meters, and each riser shall have at least two supports.

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