廚房安裝排煙管道要考慮的五方面問題

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廚房排煙管道很重要，安裝使用時(shí)一定要特別注意幾個(gè)事項(xiàng)，比如管道的通風(fēng)面積，低層排煙不暢，如下：

The smoke exhaust pipe in the kitchen is very important. During installation and use, special attention must be paid to several matters, such as the ventilation area of the pipe and the poor smoke exhaust on the lower floor, as follows:

排煙管道

Smoke exhaust pipe

一、主排氣管通風(fēng)面積不足。

1、 The ventilation area of the main exhaust pipe is insufficient.

根據(jù)工程經(jīng)驗(yàn)，主排氣管內(nèi)風(fēng)速不能超過15m/s，否則運(yùn)行一段時(shí)間后排氣系統(tǒng)容易堵塞。在油煙凈化器的運(yùn)行實(shí)踐中，大多數(shù)情況是由于排氣管通風(fēng)面積不足造成的，管內(nèi)氣體流速在15m/s以上。

According to the engineering experience, the wind speed in the main exhaust pipe shall not exceed 15m / s, otherwise the exhaust system will be easily blocked after a period of operation. In the operation practice of the oil fume purifier, most cases are caused by insufficient ventilation area of the exhaust pipe, and the gas flow rate in the pipe is above 15m / s.

二、管道截面積變小。

2、 The cross-sectional area of the pipe becomes smaller.

由于排煙管道會穿過建筑橫梁，導(dǎo)致氣流不暢，排氣管的通風(fēng)橫截面積會減小，橫截面上的阻力會增加。

As the smoke exhaust pipe will pass through the building beam, resulting in poor airflow, the ventilation cross-sectional area of the exhaust pipe will be reduced, and the resistance on the cross-section will be increased.

三、管道使用后會堆積。

3、 Pipes will accumulate after use.

當(dāng)排煙管道穿過建筑橫梁或避開其他設(shè)備管道時(shí)，一段排煙管會低于整個(gè)排煙管的平面。使用一段時(shí)間后，油水混合物會堆積在排煙管的下部，直接影響排煙的順暢性。

When the smoke exhaust pipe passes through the building beam or avoids other equipment pipes, a section of smoke exhaust pipe will be lower than the plane of the whole smoke exhaust pipe. After using for a period of time, the oil-water mixture will accumulate in the lower part of the smoke exhaust pipe, directly affecting the smoothness of smoke exhaust.

四、低層排煙不順暢

4、 Smoke exhaust on the lower floor is not smooth

不同樓層的廚房油煙通過同一主管道排出，靠近出口的樓層排煙效果較好，而較低樓層排煙不暢。

The kitchen fume of different floors is discharged through the same main pipe. The smoke exhaust effect of the floor near the exit is better, while the smoke exhaust of the lower floor is not smooth.

五、建議配備排煙風(fēng)機(jī)

5、 Smoke exhaust fan is recommended

對于高油煙的廚房，建議配備排煙風(fēng)機(jī)。常用的排煙風(fēng)機(jī)有軸流風(fēng)機(jī)、風(fēng)機(jī)箱和離心風(fēng)機(jī)。

For kitchens with high oil smoke, it is recommended to provide smoke exhaust fans. The commonly used smoke exhaust fans include axial flow fans, fan boxes and centrifugal fans.

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