家里廚房串煙或排煙不暢讓很多業主煩心，本以為是油煙機不給力，但小編提醒各位，發生這樣的狀況和當初裝排煙管的方法有很大關系。在此，我們就說說廚房排煙裝修時主副煙道存在的必要性。

Many owners are annoyed by the smoke stringing or poor smoke exhaust in the kitchen at home. I thought the range hood was not awesome, but the editor reminds you that such a situation has a lot to do with the method of installing the smoke exhaust pipe for the first time. Here, let's talk about the necessity of the existence of the main and auxiliary flue in the kitchen smoke exhaust decoration.

副煙道務必保留。

The auxiliary flue must be kept.

每家的廚房里都有煙道，但您知道其中還有主副煙道之分嗎?主煙道貫穿整個樓體。而副煙道是相對獨立的，它以一道帶孔的隔板與主煙道隔開，上下則由樓板封住。一般家里的油煙會先到副煙道里，做一個緩存，然后再通過隔板上的孔進入主煙道，這樣可保證每戶的油煙是隔離開來的，不會串煙。

There are flues in every kitchen, but do you know there are main and auxiliary flues? The main flue runs through the whole building. The auxiliary flue is relatively independent. It is separated from the main flue by a perforated partition, and the upper and lower parts are sealed by the floor. Generally, the lampblack in the home will first go to the auxiliary flue, make a buffer, and then enter the main flue through the hole on the partition, so as to ensure that the lampblack of each household is isolated and will not cross the smoke.

主副煙道必須同時存在。

The main and auxiliary flue must exist at the same time.

一些業主家出現倒煙或是串煙現象很可能是由于裝修時錯誤地把排煙管和主煙道相連，或是為了節省空間拆掉了副煙道。如果直接連接主煙道，由于其向上的吸力很大，可以比喻為“拔火罐效應”，一旦氣壓比較低，就可能把別家的油煙壓到自家來。而副煙道則有很好的緩存作用，所以不能拆除。

The phenomenon of smoke pouring or smoke stringing in some owners is likely to be due to the wrong connection between the smoke exhaust pipe and the main flue during decoration, or the removal of the auxiliary flue in order to save space. If it is directly connected to the main flue, it can be compared to the "cupping effect" because of its great upward suction. Once the air pressure is relatively low, it may press other families' oil smoke to their own homes. The auxiliary flue has a good buffer effect, so it cannot be removed.

在論壇上看到有業主介紹，房子排煙效果不好。于是他把副煙道砸掉，然后把煙管向上彎45度，這樣就杜絕了部分返煙的問題。這么做真的可以嗎?濟南廚房排煙小編建議，不要使用這種方法。即便是排煙管往上拐了一下，還是會導致家里面串煙、串味。雖然可以用止逆閥進行隔離，但止逆閥不經常清洗的話會關不嚴，還是會出現串煙串味的現象。而且如果每家都使用這種方法，會占用煙道的大量空間，導致排煙不暢。

On the forum, I saw some owners' introduction that the smoke exhaust effect of the house is not good. So he smashed the auxiliary flue, and then bent the smoke pipe up 45 degrees, so as to eliminate the problem of partial smoke return. Is this really OK? Jinan kitchen smoke Xiaobian suggested not to use this method. Even if the smoke exhaust pipe turns upward, it will still cause smoke and smell in the home. Although the check valve can be used for isolation, if the check valve is not cleaned frequently, it will not be closed tightly, and there will still be smoke and smell. And if everyone uses this method, it will occupy a lot of space in the flue, resulting in poor smoke exhaust.

解決串味的話，就需要加裝閥門。對于廚房改煙道，在煙道的進煙口處加裝閥門是解決串味的好辦法。這種閥門是單向的，當抽油煙機工作時，閥門向煙道里開啟，當其他住戶向煙道里排放煙氣時，閥門則會緊緊封閉，阻止煙氣倒灌進煙道口，有效解決“串味”問題。

To solve the problem of cross smell, valves need to be installed. For the kitchen to change the flue, adding a valve at the inlet of the flue is a good way to solve the cross smell. This valve is one-way. When the range hood is working, the valve opens to the flue. When other residents discharge smoke into the flue, the valve will be tightly closed to prevent the smoke from pouring back into the flue, effectively solving the problem of "cross smell".

如果您想更改廚房的煙道可不是那么容易就能改的，在該煙道前就一定要征得物業的同意，還有一定的問題，再不然還會引發鄰里的會見的矛盾。

If you want to change the flue of the kitchen, it is not so easy to change it. You must obtain the consent of the property before changing the flue. There are also certain safety problems. Otherwise, it will cause contradictions in neighborhood meetings.

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