通風管道安裝設計注意事項

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通風管道在日子中起到很重要的作用，一些油煙的掃除就全賴它了，下面就給我們解說一下通風管道的裝置注意事項。

Smoke pipe plays a very important role in the day, some of the oil smoke sweeping depends on it, the following will explain to us the smoke pipe device attention.

1、副煙道保存：每家的廚房里都有煙道，一起煙道也有主副之分，主煙道貫穿整個樓體，而副煙道是不一樣的。一般家里的油煙會先到副煙道里，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阻隔開來的。而假如將副煙道直接連接主煙道，就會因為壓力過低而導致倒煙或串煙現象。

1. Subflue Preservation: Every kitchen has a flue, a flue also has the main and secondary points, the main flue throughout the building, and the subflue is different. Generally, the lampblack in the home will go into the sub-flue first, and then enter the main flue through the holes in the partition, so as to ensure that each household lampblack is isolated. If the auxiliary flue is directly connected to the main flue, the pressure will be too low and lead to backflue or string smoke phenomenon.

2、施工細節要留意：挑選抽油煙機裝置的方位十分重要。管道越短越好。一些業主會為了漂亮，把管道拉得比較長，這樣一來，關掉油煙機后，管道里還會集聚許多油煙排不出去，再倒回室內。別的，為了不損壞原有的主副煙道，其開口方向不是隨意能夠改的，必定要打在副煙道里邊。

2, attention should be paid to the construction details: choosing the location of the hood is very important. The shorter the pipeline, the better. Some owners will stretch the pipes longer for the sake of beauty, so that after switching off the lampblack machine, a lot of lampblack will accumulate in the pipes and then pour back into the room. In addition, in order not to damage the original main and auxiliary flue, its opening direction is not optional can be changed, must hit in the secondary flue inside.

3、窗戶排煙留意安： 一些人為了避免串煙問題，放棄原有煙道，直接在窗戶上開孔排煙，這樣做是能夠的，但有幾點需求留意。在窗戶或墻面開洞之前必定要通過物業的贊同；一般排煙管末端是金屬材質的，假如開的洞太小，金屬傳熱或許會使玻璃迸裂，傷及行人，且煙管通向窗外，強勁的冬風對著吹會導致油煙倒灌。主張將管道伸出去今后把管道往下窩，這樣還能夠避免下雨時雨水流進管道，并把風擋在外面。

3. Window smoke safety: Some people in order to avoid the problem of smoke strings, give up the original flue, directly in the window hole smoke exhaust, this is possible, but there are a few points to pay attention to. First of all, before the window or wall openings must be approved by the property; generally, the end of the smoke pipe is made of metal, if the hole is too small, metal heat transfer may cause glass bursting, injuring pedestrians, and the smoke pipe to the window, strong winter wind blowing against the oil smoke will cause backfilling. It is advocated that the pipe should be stretched out and the pipe should be lowered to its nest so as to avoid rainwater flowing into the pipe when it rains and keep the wind out.

4、止逆閥門勤替換：假如現已把副煙道撤除，或是需求避免倒煙的作用更好，那么運用煙道止逆閥。一般情況下，油煙機的止逆閥作用不是很明顯，而在煙道裝置止逆閥能夠保護油煙機，使煙道里的煙不會向管道和抽油煙機內倒灌。不過，裝置止逆閥后要定時清洗，不然會使止逆閥呈打開狀況，失掉作用，而且煙道止逆閥主張好兩年左右就替換一次。

4. Check valve replacement frequently: If the sub-flue has been removed, or the need to avoid the role of smoke is better, then the use of flue check valve. Generally speaking, the function of the check valve of the lampblack machine is not obvious, but the check valve of the flue device can protect the lampblack machine, so that the smoke in the flue can not be poured back into the pipe and the lampblack machine. However, after installing the check valve, it should be cleaned regularly, otherwise the check valve will open and lose its function, and the flue check valve should be replaced about two years.

通風管道在日常日子中也會起到許多的作用，在它的規劃方面也是有考究的，下面就給我們詳細的介紹一下它的規劃準則。

Ventilation pipes also play a lot of role in daily life, in its planning is also fastidious, the following gives us a detailed description of its planning guidelines.

1、體系的區分排煙體系防煙分區區分應結合建筑防火分區來考慮，做到既有利于地下室通風體系兼作排煙體系，又不會呈現排煙風管跨過枋火分區現象。所以運用一套風管時體系應滿意平常排風與火災時排煙要求。

1. The smoke control zoning of the smoke exhaust system should be considered in combination with the fire protection zoning of the building. It is not only conducive to the ventilation system of the basement and the smoke exhaust system, but also does not show the phenomenon that the smoke exhaust duct crosses the fire zoning. Therefore, when using a set of air pipes, the system should be satisfied with the exhaust requirements of ordinary exhaust and fire.

2、地下室通風方法合理安置排風管及排風口，平常排風用，火災時兼作排煙風管及排煙口;地下一層考慮由車道自然進風，其它層由平常送風體系兼作火災時補風體系。每個排風、排煙及送風體系應設置豎井，進風口應設在地上潔凈處，若能與地下主樓有必定間隔更好，其受火災氣影響會小;若能與地上主樓有必定間隔更好，其受火災煙氣影響會小，排風口方位應高于附樓層面， 以削減排風對地上環境影響。

2. The ventilation method of the basement is to arrange the exhaust pipe and outlet reasonably, which is usually used for ventilation, and is used as both the exhaust pipe and the exhaust outlet in case of fire; the natural air intake of the driveway is considered in the first floor of the basement, and the supplementary air system in case of fire is used in the other layers. Each exhaust, smoke exhaust and air supply system should be equipped with a shaft, air inlet should be located in the ground clean place, if there is a definite interval with the underground main building is better, it will be less affected by fire gas; if there is a definite interval with the ground main building is better, it will be less affected by fire smoke, exhaust outlet should be higher than the level of the attached floor, in order to reduce the exhaust air pairs. Environmental impact.

3、排風、排煙及送風風機選型排風、排煙風機可選離心風機或者高溫軸流風機。一般離心風機即可滿意排風排煙要求，但大風量離心風機只能裝置在地上，占地較大，需求較大機房，高溫軸流風機為消防專用風機，也能滿意在280℃煙溫下運轉30分鐘的要求，而高溫軸流風機體積小，一般可吊裝，若設機房面積也小，實際工程規劃中，往往選用高溫軸流風機排煙。

3. Centrifugal fan or high temperature axial fan can be selected for exhaust, smoke exhaust and fan selection. General centrifugal fans can satisfy the requirements of exhaust air and smoke, but high-volume centrifugal fans can only be installed on the ground, occupying a larger area, the need for a larger machine room, high-temperature axial-flow fans for fire protection special fans, can also satisfy the requirements of operating at 280 C for 30 minutes, and high-temperature axial-flow fans are small in volume, generally can be hoisted, if set up room surface. In addition, the high temperature axial fan is often used for smoke extraction in actual engineering planning.

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