What to do if the smoke exhaust hood has a bad odor

　　1、可以在烟道位置加装一个的止逆阀，当油烟经过止逆阀的时候，止逆阀可以让油烟直接朝，避免朝下流。的止逆阀不仅可以保护油烟机，还可以有效防止烟道里面的油烟倒灌会油烟机里面和91视频成人网站里面，使得室内出现反味现象。

1. A high-quality check valve can be installed at the flue position. When the oil fume passes through the check valve, the check valve can allow the oil fume to flow directly upwards, avoiding flowing downwards. A high-quality check valve can not only protect the range hood, but also effectively prevent the backflow of oil fumes from the flue into the range hood and pipes, causing odor reflux indoors.

　　2、还可以在烟道口位置直接加装一个密闭阀，在密闭阀和烟机阀的共同运行下，一般不是非常严重的油烟都是无法倒灌回91视频成人网站里面和油烟机里的。

2. A sealed valve can also be directly installed at the flue outlet. Under the joint operation of the sealed valve and the range hood valve, generally not very serious oil fumes cannot be poured back into the pipeline and range hood.

　　3、若91视频网站观看罩反味是因为91视频网站观看管破裂、连接不良导致的，则可以将油烟机的91视频网站观看管更换成新的，或者是重新连接91视频网站观看管。

3. If the odor of the smoke exhaust hood is caused by the rupture or poor connection of the smoke exhaust pipe, the smoke exhaust pipe of the range hood can be replaced with a new one, or the smoke exhaust pipe can be reconnected.

　　4、若91视频网站观看罩反味是因为91视频网站观看管和公共烟道之间的连接位置出现了密封不严现象导致的，则可以使用玻璃胶或者是透明胶等将缝隙位置密封严实。

4. If the odor of the smoke exhaust hood is caused by poor sealing at the connection between the smoke exhaust pipe and the public flue, glass glue or transparent glue can be used to tightly seal the gap position.

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