The principle is to push the flue gas into the secondary flue through the range hood, use the driving force of the range hood and the buoyancy of the oil fume temperature to make the oil fume rise for a certain distance, and then enter the main flue and discharge it from the roof, plus the stainless steel flue decorative plate, and the flue outlet can be changed into the ceiling. If the Chinese smoke hood has no decorative plate outside the flue duct, the flue outlet needs to be changed to a proper position under the ceiling, So that the flue duct can be connected with the smoke machine through the decorative plate or from the smoke machine hanging cabinet.

济南厨房排烟

Jinan kitchen smoke exhaust

通常，酒店厨房排烟管道噪音有以下几个原因，根据原因，可以对症下药：

Generally, there are several reasons for the noise of the smoke exhaust pipe in the hotel kitchen. According to the reasons, the remedy can be applied to the case:

1. 油烟机安装不够牢固。如放的位置不平整、螺丝松动、零件脱落造成工作时与支架发生共振产生噪音，此时就需要重装油烟机或者零部件，一定要做好位置估算，确保安装正确。

1. The installation of range hood is not firm enough. If the position is not flat, the screws are loose and the parts fall off, resulting in resonance with the support and noise during work, it is necessary to reinstall the range hood or parts. The position estimation must be done to ensure correct installation.

2. 止逆阀安装不对。比如止逆阀失效、脱落等，导致排烟效果不好，油烟在管道中和止逆阀发生共振或者气流扰动，容易发生噪音，此时应该重新安装止逆阀或更换新的止逆阀。

2. The check valve is not installed correctly. For example, the check valve fails and falls off, resulting in poor smoke exhaust effect. The oil fume resonates with the check valve in the pipeline or airflow disturbance, which is prone to noise. At this time, the check valve should be reinstalled or replaced with a new check valve.

其中很多业务员甚公司本身都不具备这方面的知识，往往跟据经验来设计，而整个工程却达不到所需要求，济南通风管道的设计和安装不合理，往往会造成厨房排烟不通畅，直接影响油烟净化器的使用，所以我们平时在给厨房安装设计油烟机的时候，一定要注意油烟通风管道安装的事项。请通风管道厂家前来安装。油烟管道在安装的时候需要从多方面的角度考虑.

Many salesmen and even the company itself do not have this knowledge. They often design according to experience, but the whole project can not meet the required requirements. The unreasonable design and installation of ventilation pipes in Jinan often leads to poor smoke exhaust in the kitchen and directly affects the use of fume purifier. Therefore, when we install and design fume hoods in the kitchen, Pay attention to the installation of oil fume ventilation pipe. Please the ventilation duct manufacturer to install. The installation of oil fume pipeline needs to be considered from many aspects

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