排烟管道制作安装的要求标准

发布人：   发布时间：2018-03-27 16:49:37

1)风管水平安装，其直径或长边尺寸小于400mm时，间距不应大于4m;大于或等于400mm时，间距不应小于3m;
1) when the pipe is installed horizontally, its diameter or long side size is less than 400mm, the distance should not be greater than 4m; when greater than or equal to 400mm, the distance should not be less than 3m;
2)风管垂直安装，间距不应大于4m，但每根立管的固定件不应少于2个。
2) the vertical installation of the pipe should not be more than 4m, but no less than 2 of the fixed parts of each riser.
2.机械防排烟系统的矩形风道的接缝应采用咬口形式，接缝处须保持密封。
2. the joint of the rectangular duct of the mechanical smoke control system should be used as a bite, and the seams must be sealed.
3.送风、排烟管道的单位面积允许漏风量应符合《通风与空调工程施工质量验收规范》GB50243中的规定。送风管道允许漏风量应根据工作压力确定;排烟管道均按中压系统的规定。

3. the allowable air leakage per unit area of the air supply and exhaust pipes should be in accordance with the regulations in the code for acceptance of the quality of ventilation and air conditioning engineering construction GB50243. The air leakage of the pipe should be determined according to the working pressure, and the exhaust pipe is according to the regulation of the medium pressure system.
4.管道与风机的连接，宜采用法兰连接，或采用不燃烧材料的柔性连接。
4. the connection between the pipe and the fan, the flange connection, or the flexible connection of the non burning material should be used.
5.管道穿越隔墙时，管道与隔墙之间的空隙，应采用水泥砂浆等非燃烧材料严密填塞。
When 5. pipes cross the wall, the gap between the pipe and the partition wall should be tightly packed with non combustion materials such as cement mortar.
6.排烟管道的隔热层应采用厚度不小于40mm的不燃绝热材料进行隔热(如矿棉、岩棉、硅酸铝等)。
6. the exhaust pipe insulation should be used for insulation burning insulation material thickness not less than 40mm (such as mineral wool, rock wool, aluminum silicate, etc.).
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