濟(jì)南排煙罩由罩體和罩蓋上下兩部分構(gòu)成，罩體由三個(gè)平面組成，罩蓋由前、后、左、右四個(gè)平面(或稱擋板)構(gòu)成一個(gè)錐體。

　　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、排煙軸流風(fēng)機(jī)以前應(yīng)用較多，但由于全壓小，在安裝油煙凈化器后很少應(yīng)用。

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

　　2、消防排煙箱式風(fēng)機(jī)全壓中等，風(fēng)量可以調(diào)節(jié)，且噪聲較低，常在集煙罩距油煙排放口距離中等的廚房排煙系統(tǒng)中選用

　　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、消防排煙離心風(fēng)機(jī)全壓和風(fēng)量都可以調(diào)節(jié)，但由于噪聲較大，常需要做降噪處理。當(dāng)廚房位于建筑物的底部時(shí)其排風(fēng)機(jī)宜安放在屋頂，一方面可減少室內(nèi)噪聲污染，同時(shí)排風(fēng)風(fēng)道處于負(fù)壓狀態(tài)，可避免氣味外溢。風(fēng)機(jī)安放在屋頂時(shí)，一般選擇離心風(fēng)機(jī)。

　　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、加強(qiáng)通風(fēng)根據(jù)環(huán)境條件做好通風(fēng)換氣設(shè)施,由于廚房用氣的工作間都有排煙罩,排煙罩的換氣量比較大,用氣時(shí)排煙罩都在排煙,可以不考慮灶間通風(fēng)的問題。只是注意管道要密閉,防止非工作時(shí)間中毒。

　　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、局部通風(fēng)換氣:對(duì)于存放液化氣罐或燃?xì)馊藨舻那闆r,主要控制設(shè)備的燃?xì)鈳旆?做好防火墻,封閉燃?xì)庑孤┑目臻g,并設(shè)置排風(fēng)換氣設(shè)施,定時(shí)換氣,或人員進(jìn)人時(shí)開啟換氣。

　　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.

　　其錐體的下端與罩體相連，上端與抽油煙機(jī)相連，活動(dòng)擋板開在罩體或罩蓋靠近窗戶的任意一面，前擋板帶有缺口美觀、精致，抽油煙徹底，同時(shí)不污染環(huán)境，有利于人體健康，結(jié)構(gòu)簡單，造價(jià)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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