通风管道的材料比较多，比如钢板风管、玻璃钢通风管道、复合材料通风管道、塑料通风管道、不锈钢通风管、单面彩钢通风管等等。
There are many materials for ventilation pipes, such as steel plate ventilation pipes, glass fiber reinforced plastic ventilation pipes, composite material ventilation pipes, plastic ventilation pipes, stainless steel ventilation pipes, single-sided color steel ventilation pipes, etc.
按用途上来看，通风管可以分为工业排风通风管道、净化系统通风管道、空调通风管道、瓦斯通风管道等等。
According to the use, the ventilation pipe can be divided into industrial exhaust ventilation pipe, purification system ventilation pipe, air conditioning ventilation pipe, gas ventilation pipe and so on.
通风管道尺寸的计算方法是：风管的横截面积乘以风管的风速再乘以3600，计算出来的结构就是通风管道的尺寸了
The calculation method of ventilation duct size is: the cross-sectional area of the air duct times the wind speed of the air duct and then times 3600. The calculated structure is the size of the ventilation duct
风管的风速好不要超过15米每秒，好的风速就是8到12米每秒为好。
The wind speed of the air duct should not exceed 15 meters per second, and the good wind speed is 8 to 12 meters per second.
通风管道安装时要注意安全，如装修材料、尖角物品、小金属配件犹其是钉子、废置木板上是否有钉子、高空作业装备的配置、稳固天花板工程打好膨胀螺丝，多打一点以防万一等等问题
Pay attention to safety during the installation of ventilation pipes, such as decoration materials, sharp objects, small metal fittings (especially nails), whether there are nails on the waste wood, the configuration of high-altitude operation equipment, the fixing of ceiling works, the expansion screws, and the like
像是燃气通风管道安装、厨房通风管道安装、消防通风管道安装、空调通风管道安装等方面大部分的都涉及高空作业。
For example, gas ventilation pipe installation, kitchen ventilation pipe installation, fire ventilation pipe installation, air conditioning ventilation pipe installation, etc. most of them involve aerial work.
通风管安装主要涉及的领域有厂房通风、厨房排烟、医院、写字楼、酒店、商场、地下车库等通风，换气，排烟及污气处理等环保设施。
The field of ventilation pipe installation mainly involves plant ventilation, kitchen smoke exhaust, hospital, office building, hotel, shopping mall, underground garage and other environmental protection facilities such as ventilation, ventilation, smoke exhaust and sewage gas treatment.
The above is the detailed introduction of the kitchen smoke exhaust hood of Jinan hotel. I hope it will help you. If you have any questions, please contact us. We will provide you with services in a professional manner http://www.jntfgd.com
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