Regular ventilation adopts uniform exhaust, that is, the air duct and vent in the basement are evenly arranged, which can be used for horizontal ventilation, as well as smoke exhaust pipe and vent in case of fire. The basement is considered as a natural ventilation lane, while the other floor is used for normal ventilation to prevent fire disasters, and the mechanical ventilation system does not need to be connected to the supply pipe or a small number of pipes to provide relatively concentrated air, which is more unified and centralized. The exhaust will be good. In addition, each fire zone corresponds to an exhaust, smoke exhaust and air intake system, and shall be equipped with an air intake shaft, an exhaust shaft and an air inlet, with clean ground. When it is far away from the underground main building, it is less affected by the gas; if it is far away from the ground main building, it is less affected by the fire smoke, the exhaust position should be higher than the height of the accessories. Reduce the impact of exhaust on the ground environment.

　　通風排煙設備已廣泛應用于廚房通風排煙、空調(diào)通風排煙、車庫通風、地下室通風排煙等行業(yè)。接下來，我將給你一個詳細的介紹。

　　Ventilation and smoke exhaust equipment has been widely used in kitchen ventilation and smoke exhaust, air conditioning ventilation and smoke exhaust, garage ventilation, basement ventilation and smoke exhaust and other industries. Next, I will give you a detailed introduction.

　　一、廚房通風排煙

　　1、 Kitchen ventilation and smoke exhaust

　　有效的廚房通風和排煙必須符合以下標準:

　　Effective kitchen ventilation and smoke exhaust must meet the following standards:

　　1. 廚房之間的等溫加工間需要通風換氣，其中65%由排風罩排出，35%由新風管及通風機排出，每小時40次適宜通風(頻率可在產(chǎn)品上設定)。

　　1. The isothermal processing room between the kitchens needs ventilation, of which 65% is discharged by the exhaust hood, 35% is discharged by the fresh air pipe and ventilator, and 40 times per hour is suitable for ventilation (the frequency can be set on the product).

　　2. 引擎蓋吸入速度不小于0.5 m/s(購買產(chǎn)品時要求的規(guī)格)，排氣管速度不大于10 m/s(購買產(chǎn)品時要求的規(guī)格)。3.補充空氣的數(shù)量在廚房和糕點加工的房間應該是大約70%的廢氣,和室內(nèi)負壓不應大于5 Pa(相關(guān)儀器可以測量),所以廚房烹飪產(chǎn)生的煙的氣味不會蔓延到飯廳,從而達到隔熱絕緣和味覺的影響。

　　2. The suction speed of the engine hood shall not be less than 0.5 m / S (specification required when purchasing the product), and the exhaust pipe speed shall not be more than 10 m / S (specification required when purchasing the product). 3. The amount of supplementary air in the kitchen and pastry processing room should be about 70% of the exhaust gas, and the indoor negative pressure should not be greater than 5 Pa (relevant instruments can be measured), so the smell of smoke generated by cooking in the kitchen will not spread to the dining room, so as to achieve the effect of thermal insulation and taste.

　　隨著我國服務業(yè)的快速發(fā)展，我國正逐步成為一個真正的飲食大國。在享用美食的同時，餐飲廚房的改善和設計管理已經(jīng)成為一個不可缺少的關(guān)鍵環(huán)節(jié)，尤其是濟南酒店廚房煙罩的處理尤為重要。其中一些問題值得我們注意。

　　With the rapid development of China's service industry, China is gradually becoming a real food country. While enjoying delicious food, the improvement and design management of catering kitchen has become an indispensable key link, especially the treatment of kitchen smoke hood in Jinan hotel. Some of them deserve our attention.

　　，管道的水平段在廚房油煙凈化器排煙工程中不宜過長。特別是煙氣凈化裝置的安裝會增加風阻。一般情況下，距離不應超過15米，坡度應大于2%。水平端應設有活動接頭，便于清洗管道內(nèi)的油污。新安裝的廚房油煙凈化器應盡量安裝在廚房排風機前面靠近廚房的地方，濟南飯店廚房的煙機罩要減少排氣管和風機葉輪的油煙附著，延長管道的清洗和風機的維護周期。連接排氣罩的支管應該配置一個流量控制閥。

　　First of all, the horizontal section of the pipeline should not be too long in the smoke exhaust project of the kitchen fume purifier. In particular, the installation of flue gas purification device will increase wind resistance. In general, the maximum distance shall not exceed 15m, and the slope shall be greater than 2%. The horizontal end shall be provided with a movable joint to facilitate the cleaning of oil stains in the pipeline. The newly installed kitchen fume purifier should be installed as close to the kitchen as possible in front of the kitchen exhaust fan. The hood of the kitchen fume purifier in Jinan hotel should reduce the oil fume attachment of the exhaust pipe and the fan impeller, and extend the cleaning period of the pipe and the maintenance period of the fan. The branch pipe connecting the exhaust hood shall be equipped with a flow control valve.

　　其次，廚房送風系統(tǒng)應采用直流方式，廚房通風工程系統(tǒng)應采用變頻風機或相關(guān)風機送風、排風。這樣，在任何時候產(chǎn)生的大量廢氣可以更直接和有效地排放到戶外。

　　Secondly, the kitchen air supply system shall adopt DC mode, and the kitchen ventilation engineering system shall adopt frequency conversion fan or related fan to supply and exhaust air. In this way, a large amount of waste gas generated at any time can be discharged to the outdoor more directly and effectively.