鐵制排煙罩僅為一矩形鐵制罩子，上開一孔接排煙管，罩在灶臺的上方。利用熱空氣上升的原理使油煙自然抽出室外。該種排煙罩工藝簡單，成本低廉，但排煙效果較差，只適用于煙霧不大的小型飲食場所。目前沒有定型產品，而是根據灶具的大小現場制作。
濟南酒店廚房排煙罩廠家提醒，以下幾點要求：
The iron smoke exhaust hood is only a rectangular iron hood, with a hole on it to connect with the smoke exhaust pipe, and the hood is above the stove. Use the principle of hot air rising to make the oil fume naturally draw out of the room. The smoke exhaust hood has simple process and low cost, but its smoke exhaust effect is poor, and it is only suitable for small catering places with little smoke. At present, there is no finalized product, but it is made on site according to the size of the cooker. Jinan hotel kitchen smoke exhaust hood manufacturer reminded that the following requirements:
（1）油煙吸收率應大于95%，采用同誑導流圍護裝置。
(1) The absorption rate of oil fume shall be greater than 95%, and the same diversion enclosure shall be used.
（2）圍護結構應配有鉸接式檢查門,以便于衛生清潔及觀察。
(2) The enclosure shall be equipped with hinged inspection doors to facilitate sanitary cleaning and observation.
（3）設備全部由不銹鋼制成，所有聯結處為防水、防蒸汽、防油煙。
(3) The equipment is all made of stainless steel, and all joints are waterproof, steam-proof and oil-smoke proof.
（4）風罩嵌入吊頂內，兩者之間設有不銹鋼裝飾板，用厚度1.2mm的不銹鋼板制造，易拆卸，嵌入深度≥100mm。
(4) The fan hood is embedded in the ceiling, and a stainless steel decorative plate is set between them. It is made of 1.2mm thick stainless steel plate, easy to remove, and the embedded depth is ≥ 100mm.
（5）全部罩體用厚度大于1.0mm的不銹鋼板制造。
(5) All covers are made of stainless steel plate with thickness greater than 1.0mm.
（6）通風管用1.0鍍鋅板制成，設有不銹鋼鐵風量調節閥。
(6) The ventilation pipe is made of 1.0 galvanized sheet and equipped with stainless steel iron air volume regulating valve.
（7）照明設備是防濺，防水、內凹型的，分布于每1000mm距離，并應將所有電線套于導管中，用接駁箱連接。照度裝置大于等于600lux，采用節能芝光管燈,統一的電力接口。
(7) The lighting equipment is splash-proof, waterproof and concave, distributed every 1000mm, and all wires shall be sheathed in conduits and connected with connection boxes. The illuminance device is greater than or equal to 600 lux, and the energy-saving light tube lamp is adopted, and the unified power interface is adopted.
（8）風罩豎板帶有一體環繞的自排裝置，排放槽易于清洗油煙、蒸汽，排放管為不銹鋼制，并聯至風罩的全自動自清潔裝置。
(8) The vertical plate of the fan hood is equipped with an integrated self-cleaning device. The discharge tank is easy to clean oil smoke and steam. The discharge pipe is made of stainless steel and is connected to the full-automatic self-cleaning device of the fan hood in parallel.
The relevant content about the requirements for the use of smoke exhaust hood will be explained here. If you have any doubts or needs about this, please come to our website http://www.xyphw.com Ask about it!
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