项目施工方要做好不锈钢通风管道安装前的各项准备工作、具体施工方案实施策略、设备到位、现场环境调查、施工人员防控措施等。
The project construction party shall make various preparations before the installation of stainless steel ventilation pipes, specific construction scheme implementation strategy, equipment in place, on-site environmental investigation, safety prevention and control measures for construction personnel, etc.
其次，如果空调风管选择不锈钢通风风管，自然通风空调设备的核心工作将集中在不锈钢风管的安装上。因此，要了解不锈钢通风管道的安装特点，明确施工图，掌握土建与其他技术的关联性和不锈钢通风管道的安装工艺，检查风管系统软件的设计标高、线、预埋孔、预埋件等是否符合安装标准。同时，其他辅助材料准备充分，吊装和其他安装工具也带到现场，并将使用风管系统软件。
Secondly, if stainless steel ventilation duct is selected as the central air conditioning duct, the core work of natural ventilation air conditioning equipment will focus on the installation of stainless steel duct. Therefore, it is necessary to understand the installation characteristics of stainless steel ventilation duct, clarify the construction drawings, master the correlation between civil engineering and other technologies and the installation process of stainless steel ventilation duct, and check whether the design elevation, centerline, embedded holes and embedded parts of the air duct system software meet the installation standards. At the same time, other auxiliary materials are fully prepared, hoisting and other installation tools are also brought to the site, and the air duct system software will be used.
三、不锈钢风管的验证：将成品风管或预制构件拉到安装现场，根据实际情况进行检查复核，再据此进行分拣。风管系统软件各部分的规格和透视准确确定后，意味着风管的验证工作已经开始。用活套法兰连接风管所有管路，接头处必须密封密闭。
3、 Verification of stainless steel air duct: pull the finished air duct or prefabricated components to the installation site, check and recheck according to the actual situation, and then sort accordingly. After the specification and perspective of each part of the air duct system software are accurately determined, it means that the verification of the air duct has begun. Use looper flange to connect all pipelines of air duct, and the joints must be sealed.
接下来，不锈钢通风管道安装有哪些注意事项?
Next, what are the precautions for the installation of stainless steel ventilation duct?
，需要根据建筑物的空间大小，一次性决定升降用不锈钢通风管道的长度。风管的厚度、吊装方式、吊装设备等都要用到，连接的风管可以以两侧法兰为基础，中间法兰为测点。风管的连接可以通过挂线来测量。如果风管不合适，可以适当调整后吊装
Firstly, the length of stainless steel ventilation pipe for lifting shall be determined at one time according to the space size of the building. The thickness, hoisting method and hoisting equipment of the air duct shall be used. The connected air duct can be based on the flanges on both sides and the middle flange as the measuring point. The connection of air duct can be measured by hanging line. If the air duct is not suitable, it can be hoisted after proper adjustment
前检查风管、支架、吊装机具的使用方法是否恰当牢固，吊装前检查各种不的元件。
Before hoisting, check whether the use methods of air duct, support and hoisting machines and tools are appropriate and firm, and check various unsafe elements before hoisting.
其次，在吊装过程中，尽量先吊少量。当距离地面0.2-0.3m时，暂停吊装，再次检查吊装机械，然后再次吊装到位置。风管固定好后，可以拆下绳索提升机。
Secondly, during the lifting process, try to lift a small amount first. When it is 0.2-0.3m from the ground, suspend the hoisting, check the hoisting machinery again, and then hoist it to the position again. After the air duct is fixed, the rope hoist can be removed.
接下来，固定好通风管道后，就可以开始安装立管了。先安装立管，再安装通风主管。两个支撑架之间的距离应小于4米，每个立管少有两个固定卡。风管水平安装时，平面度误差允许为3mm，总误差小于20mm;风管垂直安装时，平面度误差允许为2mm，总偏差小于20mm。
Next, after fixing the ventilation duct, you can start installing the riser. Install the riser first and then the ventilation main pipe. The distance between two support frames shall be less than 4m, and each riser shall have at least two fixing clamps. When the air duct is installed horizontally, the flatness error is allowed to be 3mm, and the total error is less than 20mm; When the air duct is installed vertically, the flatness error is allowed to be 2mm, and the total deviation is less than 20mm.
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