安装前需要做的准备：
Preparation before installation:
1.建筑物围护结构施工完成，所有障碍物和杂物已清理，地面杂物均已清理！
1. The construction of building enclosure is completed, all obstacles and sundries have been cleared, and all sundries on the ground have been cleared!
2.净化系统风管安装时，建筑物内部安装部件的地面均已做好，墙面混凝土找平完毕，保证室内无尘土或有防尘措施的条件下进行。
2. During the installation of the air duct of the purification system, the floor of the internal installation parts of the building has been completed, and the wall concrete has been leveled to ensure that there is no dust or dust-proof measures in the room.
3.安装地点辅材齐全，并有施工技术员进行质量和技术的指导。
3. The auxiliary materials at the installation site are complete, and the construction technicians provide quality and technical guidance.
风管安装注意事项：
Precautions for air duct installation:
1.风管内严禁其他管线穿越
1. No other pipelines are allowed to cross the air duct
2.安装在易燃、易爆环境下的风管应有良好的接地，通过生活区或者生产区的风管安装一定要严密，并且不能设备风管接口。
2. The air duct installed in the flammable and explosive environment shall be well grounded. The air duct passing through the living area or production area must be tightly installed, and the air duct interface shall not be equipped.
3.室外立式风管的固定不得与避雷针或房屋避雷设施连接到一起。
3. The fixing of outdoor vertical air duct shall not be connected with lightning rod or house lightning protection facilities.
4.风管安装符合以下技术规定：
4. The installation of air duct shall comply with the following technical regulations:
①风管与通风设备，配件连接的配置，不得缩小其连接部位的连接管。
① The configuration of the connection between the air duct and the ventilation equipment and accessories shall not reduce the connection pipe of its connection part.
②吊架不能设置在风口、风阀、检查门及自控机构处，不得固定在法兰上，避免风管变形影响风管的作用。
② The hanger shall not be set at the air outlet, air valve, inspection door and automatic control mechanism, and shall not be fixed on the flange to avoid the effect of air duct deformation on the air duct.
③吊架安装符合相应的安装规定，悬吊的风管与部件应设防止摆动的固定点，如固定支架、支撑等，固定点的设置位置和数量应根据系统情况而定。
③ The installation of hangers shall comply with the corresponding installation regulations. The suspended air ducts and components shall be provided with fixed points to prevent swing, such as fixed supports, supports, etc. The location and number of fixed points shall be determined according to the system conditions.
④法兰垫料和厚度根据输送空气温度的不同，选择的材质也不同。
④ The flange gasket and thickness are different according to the temperature of the conveying air.
⑤风管及部件穿墙、屋面时，应设置防雨罩，穿出屋面的风管超过1.5m时应拉索，拉索应镀锌或用钢丝绳，拉索禁止固定在风管法兰上，严禁拉在避雷针或避雷网上。
⑤ When the air duct and its components pass through the wall and roof, a rain cover shall be provided. When the air duct passing through the roof exceeds 1.5m, a stay cable shall be provided. The stay cable shall be galvanized or steel wire rope. It is prohibited to fix the stay cable on the air duct flange, and it is prohibited to pull it on the lightning rod or lightning protection network.
⑥柔性短管的安装应松紧适度，不得扭曲，可伸缩性的金属或非金属软风管的长度不宜超过2m，并不得有死弯及塌凹。
⑥ The flexible short pipe shall be installed with appropriate tightness and shall not be twisted. The length of flexible metal or non-metallic flexible air duct shall not exceed 2m, and there shall be no dead bend or concavity.
⑦保温风管的支、吊架宜设在保温层的外部，并不得破坏保温层。
⑦ The supports and hangers of thermal insulation air ducts should be set outside the thermal insulation layer and should not damage the thermal insulation layer.
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