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通风管道安装前的一些小学问?

发布人:   发布时间:2021-04-25 13:32:49

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,是为了使空气畅通,降低有害气体浓度的一种市政基础设备.今天我们就来了解一下通风管道安装前的一些小学问:

Ventilation pipe is a kind of metal or nonmetal pipe used in ventilation and air conditioning engineering of industrial and civil buildings. It is a kind of municipal basic equipment to make the air circulate and reduce the concentration of harmful gases

1、首先应按某系统的某楼层通风管道中止绘制,并注明接口位置.

1. First of all, the drawing should be stopped according to the ventilation duct of a certain floor of a certain system, and the interface position should be indicated

2、通风管道设计应中止编号,从起点开端编号,起点普通为接口位置,不异断面规格、不异长度节为同一号码,除此应按次第编号.以便于组织制造施工.

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2. In the design of ventilation duct, the numbering shall be stopped and the numbering shall start from the starting point. The starting point is the common interface position, and the same section specification and length section shall be the same number. In addition, the numbering shall be carried out according to the order, so as to organize the manufacturing construction

3、通风管道设计需标示支吊架位置,支吊架位置间距及一切材料规格需符后规范哀告及工艺规则.

3. The position of supports and hangers, the distance between supports and hangers, and all material specifications shall comply with the specifications and process rules

4、制造通风管道设应优先思考弯头与变径满足表里表面同心弯管哀告、变径长度哀告.

4. In the design of ventilation duct, elbow and reducing should be considered to meet the requirements of concentric elbow and reducing length

5、通风管道设计应标示起端与弯头位置、变径位置、管线所处轴线位置、管底标高。

5. The position of starting end and elbow, the position of reducing diameter, the position of pipeline axis and the elevation of pipe bottom shall be marked in the design of ventilation pipe.

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