The smoke hood of Ji'nan consists of two parts: the cover body and the cover. The cover consists of three planes. The cover consists of four planes (or baffles) of the front, back, left and right.

　　1、91短视频网站入口轴流风机以前应用较多，但由于全压小，在安装油烟净化器后很少应用。

　　1, exhaust axial fan before used more, but because the total pressure is small, after the installation of lampblack purifier rarely used.

　　2、消防91短视频网站入口箱式风机全压中等，风量可以调节，且噪声较低，常在集烟罩距油烟排放口距离中等的厨房91短视频网站入口系统中选用

　　2, fire smoke exhaust box fan, medium pressure, air volume can be adjusted, and the noise is low, often in the smoke hood from the smoke exhaust from the middle of the kitchen smoke exhaust system selection

　　3、消防91短视频网站入口离心风机全压和风量都可以调节，但由于噪声较大，常需要做降噪处理。当厨房位于建筑物的底部时其排风机宜安放在屋顶，一方面可减少室内噪声污染，同时排风风道处于负压状态，可避免气味外溢。风机安放在屋顶时，一般选择离心风机。

　　3, fire smoke exhaust centrifugal fan total pressure and air volume can be adjusted, but because of the noise is large, often need to do noise reduction. When the kitchen is located in the bottom of the building when the exhaust machine should be placed on a roof, one can reduce indoor noise pollution at the same time, the exhaust duct in the vacuum state, can avoid odor overflow. When the fan is installed on the roof, the centrifugal fan is generally selected.

　　4、加强通风根据环境条件做好通风换气设施,由于厨房用气的工作间都有91短视频网站入口罩,91短视频网站入口罩的换气量比较大,用气时91短视频网站入口罩都在91短视频网站入口,可以不考虑灶间通风的问题。只是注意91短视频三级片要密闭,防止非工作时间中毒。

　　4, according to the environmental conditions to strengthen the ventilation ventilation facilities, the kitchen gas work are exhaust hood, ventilation hood is relatively large, gas when the smoke hood in the smoke, can not consider the problem of kitchen ventilation. Only pay attention to the pipeline closed, to prevent non work time poisoning.

　　5、局部通风换气:对于存放液化气罐或燃气人户的情况,主要控制设备的燃气库房,做好防火墙,封闭燃气泄漏的空间,并设置排风换气设施,定时换气,或人员进人时开启换气。

　　5, local ventilation: for the storage of liquefied gas or gas household, the main control equipment of gas warehouse, do a good firewall, closed the gas leakage space, and set up the ventilation and ventilation facilities, regular ventilation, or personnel into the people to open the ventilation.

　　其锥体的下端与罩体相连，上端与抽油烟机相连，活动挡板开在罩体或罩盖靠近窗户的任意一面，前挡板带有缺口美观、精致，抽油烟彻底，同时不污染环境，有利于人体健康，结构简单，造价便宜。

　　The lower end of the cone are connected with the cover body, and the upper end is connected with a fume extractor, a movable baffle opening in the cover body or any cover near the window side, a front baffle with a gap of beautiful and delicate, lampblack thoroughly, and no environmental pollution, is conducive to human health, has the advantages of simple structure, low cost.

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