說(shuō)到食堂，就會(huì)想到食堂排煙罩。 呼吸著油煙的大個(gè)子非常吸睛。 下面說(shuō)說(shuō)食堂通風(fēng)柜排煙量的確定和設(shè)計(jì)。

When it comes to the canteen, you will think of the smoke exhaust hood of the canteen. The big man who breathed the lampblack was very eye - catching. Let's talk about the determination and design of the smoke exhaust volume of the fume hood in the canteen.

為保證凈化效果，在實(shí)際設(shè)計(jì)中，排風(fēng)量嚴(yán)格按照食堂排煙罩和抽排煙罩的抽風(fēng)風(fēng)速計(jì)算，抽排煙罩的抽風(fēng)風(fēng)速通常不小于 0.5米/秒。 很小排風(fēng)量通常由下式計(jì)算：L=2000PH

In order to ensure the purification effect, in the actual design, the exhaust air volume is calculated in strict accordance with the exhaust wind speed of the canteen exhaust hood and the exhaust hood. The exhaust wind speed of the exhaust hood is usually not less than 0.5 m / s. Very small exhaust air volume is usually calculated by the following formula: l=2000ph

式中：L——食堂通風(fēng)柜排風(fēng)量，m3/h；

Where: L - exhaust air volume of canteen ventilator, m3/h;

P——食堂排煙罩口周長(zhǎng)（靠墻側(cè)不計(jì)），m；

P - perimeter of smoke exhaust hood of canteen (not counting the side near the wall), m;

H——食堂排煙罩口到爐口的距離，m。

H - distance from smoke exhaust hood of canteen to furnace mouth, M.

用上式計(jì)算排風(fēng)量，再根據(jù)食堂排煙罩的面積計(jì)算抽排煙罩的抽風(fēng)速度，保證抽排煙罩的抽風(fēng)速度不小于0.5m/s。

Use the above formula to calculate the exhaust volume, and then calculate the exhaust speed of the exhaust hood according to the area of the canteen exhaust hood, so as to ensure that the exhaust speed of the exhaust hood is not less than 0.5m/s.

在實(shí)際工程設(shè)計(jì)中，經(jīng)常使用估算法。 根據(jù)《民用建筑暖通空調(diào)設(shè)計(jì)技術(shù)辦法》中對(duì)廚房通風(fēng)量的規(guī)定，廚房通風(fēng)量也可按以下通風(fēng)次數(shù)確定：

Estimation method is often used in practical engineering design. According to the provisions on the kitchen ventilation volume in the technical measures for HVAC design of civil buildings, the kitchen ventilation volume can also be determined according to the following ventilation times:

中式廚房：L=40-50（次/小時(shí)）；

Chinese Kitchen: l=40-50 (times / hour);

西廚：L=30-40（次/h）；

Western Kitchen: l=30-40 (times /h);

員工餐廳：L=25-35（次/小時(shí)）。

Staff restaurant: l=25-35 (times / hour).

食堂抽排煙罩特點(diǎn)：

Features of smoke exhaust hood in canteen:

可有效阻隔油煙和氣味達(dá)95%和70%，能有效解決空氣污染和墻體污染問(wèn)題。

It can effectively block oil smoke and odor up to 95% and 70%, and can effectively solve the problems of air pollution and wall pollution.

食堂通風(fēng)柜具有防火功能，使氣喉避免受熱擴(kuò)散。

The fume hood in the canteen has the function of fire prevention, so that the air pipe can avoid thermal diffusion.

食堂排煙罩可以降低爐灶溫度，為廚師提供更有利的工作環(huán)境。

The smoke exhaust hood of the canteen can reduce the temperature of the stove and provide a more favorable working environment for chefs.

濟(jì)南排煙罩廠家認(rèn)為食堂排煙罩外觀美觀耐用，油污不易積聚。

Jinan smoke exhaust hood manufacturer believes that the appearance of the smoke exhaust hood in the canteen is beautiful and durable, and oil pollution is not easy to accumulate.

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