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餐厅厨房地下排烟系统设计有什么要点？

餐厅厨房地下排烟系统设计有什么要点？

浏览：80次 | 提问时间： 06-22 08:34

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独特情趣 06-22 08:35

首先、厨房排烟管道的水平段不宜太长，一般水平最远距离不应超过15m并且要有2%以上的坡度，水平末端设活接头，以方便清理油垢。排风速度按规范不得低于10m/s，以防风速过低使油附着于烟道上，接排风罩的支管应设风量调节阀。其次、厨房排烟系统的主排烟管道通风面积不能太小，风速不能太大。根据工程经验，排烟主管道内风速不能超过15m/s。否则在运行一个时期以后(如一年以后)很容易造成排烟系统不通畅。在厨房油烟净化器的运行实践中，大部分案例都是因排烟管道通风面积不足引起的不通畅，管道内气体的流速都在15m/s以上。

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