排烟罩仅为一矩形铁制罩子，上开一孔接排烟管，罩在灶台的上方。利用热空气上升的原理使油烟自然抽出室外。该种排烟罩工艺简单，成本低廉，但排烟效果较差，只适用于烟雾不大的小型饮食场所。目前没有定型产品，而是根据灶具的大小现场制作。以下几点要求：
The smoke exhaust hood is only a rectangular iron cover, with a hole on it to connect with the smoke exhaust pipe, and is covered 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. The following requirements:
(1) The smoke absorption rate of the kitchen smoke hood of Jinan Hotel should be greater than 95%, and the same diversion enclosure device should be used.
（2）围护结构应配有铰接式检查门,以便于卫生清洁及观察。
(2) The enclosure shall be equipped with hinged inspection doors to facilitate sanitary cleaning and observation.
（3）设备全部由不锈钢制成，所有联结处为防水、防蒸汽、防油烟。
(3) The equipment is all made of stainless steel, and all joints are waterproof, steam-proof and oil-smoke proof.
（4）风罩嵌入吊顶内，两者之间设有不锈钢装饰板，用厚度1.2mm的不锈钢板制造，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）全部罩体用厚度大于1.0mm的不锈钢板制造。
(5) All covers are made of stainless steel plate with thickness greater than 1.0mm.
（6）通风管用1.0镀锌板制成，设有不锈钢铁风量调节阀。
(6) The ventilation pipe is made of 1.0 galvanized sheet and equipped with stainless steel iron air volume regulating valve.
（7）照明设备是防溅，防水、内凹型的，分布于每1000mm距离，并应将所有电线套于导管中，用接驳箱连接。照度装置大于等于600lux，采用节能芝光管灯,统一的电力接口。
(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）风罩竖板带有一体环绕的自排装置，排放槽易于清洗油烟、蒸汽，排放管为不锈钢制，并联至风罩的全自动自清洁装置。
(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.
This is the eight-point notice about the use of smoke exhaust hood. If you have any doubts or needs, please visit our website at any time http://www.jntfgd.com consulting service
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