管道位置。以公共壁爐通風口為例，在裝修廚房之前，應仔細調查公共壁爐的位置，以確定合理的壁爐安裝位置。煙囪安裝的高度和方向，底座的方向，煙囪如何行進，如何彎曲，進入吊頂，橫梁和墻壁都要仔細規劃。

Pipe location. Take the vent of public fireplace as an example. Before decorating the kitchen, the location of public fireplace should be carefully investigated to determine the reasonable installation location of fireplace. The installation height and direction of the chimney, the direction of the base, how the chimney moves, how to bend, and how to enter the ceiling, beam and wall should be carefully planned.

管道長度。開口越靠近公共煙道，管道對排煙的影響越小，排煙越亮。管道長度可控制在2米以內。1.5米以內為佳。煙道的開口位置也提前規劃好了，煙管不長但高一點，把煙管封在天花板上，這樣煙管容易排煙，既能兼顧美觀的同時，也減少了掛箱的空間。

Pipe length. The closer the opening is to the public flue, the smaller the impact of the pipe on the smoke exhaust and the brighter the smoke exhaust. The pipe length can be controlled within 2m. Within 1.5m is preferred. The opening position of the flue has also been planned in advance. The flue pipe is not long but a little higher. The flue pipe is sealed on the ceiling, so that the flue pipe is easy to smoke, which can not only give consideration to the beauty, but also reduce the space for hanging the box.

避免家用電器。濟南廚房排煙管道應遠離電纜，應避開各種家具、電氣設備、天花板和墻壁上的障礙物。所以，如果不是關于之前房間的改造，要確定煙管的方向，然后穩定煙機周圍的吊箱。

Avoid household appliances. The smoke exhaust pipe of Jinan kitchen shall be far away from cables, and shall avoid obstacles on various furniture, electrical equipment, ceilings and walls. Therefore, if it is not about the transformation of the previous room, first determine the direction of the smoke pipe, and then stabilize the hanging box around the smoke machine.

送風風量一般為排煙風量的80%，當廚房處于一層或門窗較多自然補風量充足時，可適當減小這個數值，但少不能小于排煙風量的65%。只有排煙風量和送風風量達到平衡，才能保證廚房排煙效果。

The air supply volume is generally 80% of the smoke exhaust volume. When the kitchen is on the first floor or there are many doors and windows and the natural air supplement volume is sufficient, this value can be appropriately reduced, but not less than 65% of the smoke exhaust volume. Only when the smoke exhaust air volume and air supply air volume are balanced can the smoke exhaust effect of the kitchen be ensured.

此外廚房排煙管道時的施工細節要注意，管道越短越好。一些業主會為了美觀，把管道拉得比較長，這樣一來，關掉油煙機后，管道里還會集聚很多油煙排不出去，再倒回室內。另外，為了不破壞原有的主副煙道，其開口方向不是隨意可以改的，一定要打在副煙道里面。

In addition, pay attention to the construction details of the kitchen smoke exhaust pipe. The shorter the pipe, the better. Some owners will lengthen the pipeline for the sake of beauty. In this way, after the range hood is turned off, a lot of oil smoke will accumulate in the pipeline and cannot be discharged, and then it will be poured back indoors. In addition, in order not to damage the original main and auxiliary flue, the opening direction can not be changed at will, and must be placed in the auxiliary flue.

一些業主為了避免串煙問題，放棄原有煙道，直接在窗戶上開孔排煙，這樣做是可以的，但有幾點需要注意。在窗戶或墻面開洞之前一定要經過物業的同意；其次注意問題，一般排煙管末端是金屬材質的，如果開的洞太小，金屬傳熱可能會使玻璃炸裂，傷及行人，且煙管通向窗外，強勁的北風對著吹會導致油煙倒灌。好將管道伸出去以后把管道往下窩，這樣還可以避免下雨時雨水流進管道，并把風擋在外面。

In order to avoid the problem of cross smoke, some owners give up the original flue and directly open holes in the windows for smoke exhaust. This is OK, but there are several points that need to be paid attention to. The consent of the property must be obtained before opening a hole in the window or wall; Secondly, pay attention to safety. Generally, the end of the smoke exhaust pipe is made of metal. If the hole is too small, the metal heat transfer may cause the glass to crack and hurt pedestrians. In addition, the smoke pipe leads to the window, and the strong north wind will cause the oil smoke to pour back. After the pipe is stretched out, the pipe is lowered into a nest. In this way, the rain water can be prevented from flowing into the pipe when it rains, and the windshield is kept outside.

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